CA2579439A1 - Light collimating device - Google Patents

Light collimating device Download PDF

Info

Publication number
CA2579439A1
CA2579439A1 CA002579439A CA2579439A CA2579439A1 CA 2579439 A1 CA2579439 A1 CA 2579439A1 CA 002579439 A CA002579439 A CA 002579439A CA 2579439 A CA2579439 A CA 2579439A CA 2579439 A1 CA2579439 A1 CA 2579439A1
Authority
CA
Canada
Prior art keywords
layer
light
optical element
optical
optical elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002579439A
Other languages
French (fr)
Other versions
CA2579439C (en
Inventor
Neil D. Lubart
Timothy J. Wojciechowski
Thomas E. Lash
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brilliant Film LLC
Original Assignee
Trivium Technologies, Inc.
Neil D. Lubart
Timothy J. Wojciechowski
Thomas E. Lash
Brilliant Film, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trivium Technologies, Inc., Neil D. Lubart, Timothy J. Wojciechowski, Thomas E. Lash, Brilliant Film, Llc filed Critical Trivium Technologies, Inc.
Publication of CA2579439A1 publication Critical patent/CA2579439A1/en
Application granted granted Critical
Publication of CA2579439C publication Critical patent/CA2579439C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/002—Arrays of reflective systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/30—Collimators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0972—Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0977—Reflective elements
    • G02B27/0983—Reflective elements being curved
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • G02F1/133555—Transflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Abstract

A collimating device and a transflector for use in a system having a backlight is disclosed herein. In one embodiment of the application, the collimating device and the transflector each include an immersing layer, a reflecting layer, and an optical element layer formed from a plurality of three-dimensional, optical elements. Each optical element is tapered such that a small area end has a horizontal plane cross sectional area that is less than that of a wide area end. The optical elements of the collimating device are tapered towards the backlight and the optical elements of the transflector are tapered away from the backlight. The reflecting layer has apertures which correspond to the position and shape of the light input ends of the optical elements.

Claims (60)

1. A collimating device for use in a system having a backlight, the collimating device comprising:
an immersing layer;
a reflecting layer; and an optical element layer formed from a plurality of three-dimensional, optical elements, each optical element having a light input end and a light output end, each optical element being tapered towards the backlight such that the light input end has a horizontal plane cross-sectional area that is less than that of the light output end, and wherein the reflecting layer has apertures therein which correspond to the position and shape of the light input ends of the optical elements.
2. The collimating device of claim 1, wherein the optical elements are surrounded by air.
3. The collimating device of claim 1, wherein the optical element layer is formed from a polymer having a first index of refraction and the optical elements are surrounded by a second polymer having a second index of refraction, the first index of refraction being higher than the second index of refraction.
4. The collimating device of claim 1, wherein the light output end of each optical element abuts the light output end of at least one other optical element of the optical element layer.
5. The collimating device of claim 1, wherein the immersing layer has a first and second side and the reflecting layer has a first and second side, and wherein the first side of the immersing layer is in contact with the second side of the reflecting layer.
6. The collimating device of claim 5, wherein the light input ends of the optical elements extend such that the light input ends contact the second side of the reflecting layer.
7. The collimating device of claim 5, wherein the light input ends of the optical elements extend through the apertures of the reflecting layer and contact the second side of the immersing layer.
8. The collimating device of claim 1, wherein the immersing layer has a first and second side and the reflecting layer has a first and second side, and wherein the first side of the reflecting layer is in contact with the second side of the immersing layer and the light input ends of the optical elements are in contact with the first side of the immersing layer.
9. The collimating device of claim 1, wherein the reflecting layer is a metal layer.
10. The collimating device of claim 1, wherein the immersing layer is an immersing polymer layer
11. The collimating device of claim 1, wherein each optical element has a polygonal horizontal plane cross-section.
12. The collimating device of claim 1, wherein each optical element is lenticular shaped and has a horizontal plane cross-section that is rectangular with length equal to that of the lenticular channel.
13. The collimating device of claim 1, wherein each optical element has a compound parabolic concentrator structure.
14. The collimating device of claim 1, wherein each optical element has a circular approximation of a compound parabolic concentrator structure.
15. An optical layer having a light input side and a light output side, the optical layer comprising:
a plurality of three-dimensional, light collimating elements, wherein each optical element has a polygonal horizontal plane cross-section, and wherein each optical element is tapered, such that a vertical plane cross-section of the optical element is an approximation of a compound parabolic concentrator.
16. The optical layer of claim 15, wherein the taper of the optical element has at least one linear section.
17. The optical layer of claim 16, wherein the taper has a curved section defined by an arc of a circle, and the slope of the curved section matches the slope of the at least one linear section at the intersection point of the curved section and the at least one linear section.
18. The optical layer of claim 15, wherein the tapered light collimating elements are surrounded by air.
19. The optical layer of claim 15, wherein the light collimating elements are formed from a polymer having a first index of refraction and the tapered light collimating elements are surrounded by a second polymer having a second index of refraction, the first index of refraction being higher than the second index of refraction.
20. The optical layer of claim 15, wherein each light collimating element has a lenticular shape and a rectangular cross-section.
21. The optical layer of claim 15, wherein the light collimating elements are in contact with each other at a light output side of the light collimating film.
22. The optical layer of claim 15, wherein the light collimating elements contact each other in a common polymer sheet.
23. A transflector configured to reflect light arriving from a first direction and to transmit light arriving from a second direction opposite the first direction, the transflector comprising:
at least one immersing layer, including a first immersing layer having a first and second side, wherein the first side faces a backlight that projects light in the first direction and the second side faces light arriving from the second direction;
at least one reflective layer, including a first reflective layer having a first and second side, wherein the first side faces the backlight and the second side faces light arriving from the second direction;
at least one optical element layer, including a first optical element layer having a first set of optical elements, wherein each of the first set of optical elements are tapered towards the light arriving from the second direction, such each optical element has a small area end and a large area end, wherein the large area end of each of the first set of optical elements contacts the large area end of another of the first set of optical elements, and wherein the first reflective layer has apertures therein which correspond to the positioning and shape of the small area ends of each of the first set of optical elements.
24. The transflector of claim 23, wherein the first side of the first reflective layer is in contact with the second side of the first immersing layer, and the small area ends of the first set of optical elements are in contact with the second side of the first reflective layer.
25. The transflector of claim 23, wherein the first side of the first immersing layer is in contact with the second side of the first reflective layer, and the small area ends of the first set of optical elements are in contact with the second side of the first immersing layer.
26. The transflector of claim 23, wherein the first side of the first reflective layer is in contact with the second side of the first immersing layer, and the small area ends of the first set of optical elements extend through the apertures of the first reflective layer and contact the second side of the first immersing layer.
27. The transflector of claim 23, wherein the at least one optical element layer includes a second optical element layer having a second set of optical elements, each of the second set of optical elements being tapered towards the backlight, such that each optical element has a small area end and a large area end and the large area ends of the second set of optical elements are adjacent to the large area ends of the first set of optical elements;
wherein the at least one reflective layer includes a second reflective layer having a first side and a second side, such that the first side faces the backlight and the second side faces light arriving from the second direction, the second reflective layer further having apertures therein which correspond to the positioning and shape of the small area ends of each of the second set of optical elements;
wherein the at least one immersing layer includes a second immersing layer having a first side and a second side, such that the first side faces the backlight and the second side faces light arriving from the second direction.
28. The transflector of claim 27, wherein the first side of the second immersing layer is in contact with the second side of the second reflective layer, and the small area ends of the second set of optical elements are in contact with the first side of the second reflective layer.
29. The transflector of claim 27, wherein the first side of the second reflective layer is in contact with the second side of the second immersing layer, and the small area ends of the second set of optical elements are in contact with the first side of the second immersing layer.
30. The transflector of claim 27, wherein the first side of the second immersing layer is in contact with the second side of the second reflective layer, and the small area ends of the second set of optical elements extend through the apertures of the second reflective layer and contact the first side of the second immersing layer.
31. The transflector of claim 28, wherein the first set of optical elements and the second set of optical elements are surrounded by air.
32. The transflector of claim 28, wherein the first and second optical elements are formed from a first polymer having a first index of refraction, and the first set of optical elements and the second set of optical elements are surrounded by a second polymer having a second index of refraction.
33. The transflector of claim 32, wherein the first index of refraction is greater than the second index of refraction.
34. A light collimating device for use in a system having a backlight, the light collimating device comprising:
at least one optical element layer, including a first optical element layer having three-dimensional optical elements with horizontal plane rectangular bases that extend across the optical element layer, wherein the optical elements are tapered along a curved path towards the backlight.
35. The light collimating device of claim 34, wherein the at least one optical element layer includes a second optical element layer having three-dimensional optical elements with horizontal plane rectangular bases that extend across the optical element layer, wherein the optical elements of the second optical element layer are tapered along a curved path towards the backlight.
36. The light collimating device of claim 35, wherein the horizontal plane rectangular bases of the first optical element layer are orthogonal to the horizontal plane rectangular bases of the second optical element layer
37. The light collimating device of claim 35, wherein the first optical element layer is disposed between the backlight and the second optical element layer.
38. The light collimating device of claim 35, wherein the second optical element layer includes a metal layer.
39. A light containing region in an optical element layer for transmitting light, the light containing region comprising:
a light input end having a polygonal shape;
a light output end having a polygonal shape;
a plurality of sides, tapered from the light output end to the light input end.
40. The light containing region of claim 39, wherein the plurality of sides include at least one region that is a compound parabolic concentrator.
41. The light containing region of claim 39, wherein the plurality of sides include at least one region that is a circular approximation of a compound parabolic concentrator.
42. The light containing region of claim 39, wherein the sides include at least one linear section.
43. The light containing region of claim 41, wherein the sides include at least a first linear section and a second linear section, and wherein the first linear section is adjacent the light output end, the second linear section is adjacent the light input end, and the circular approximation of a compound parabolic concentrator is located between the first and second linear sections.
44. The light containing region of claim 41, wherein the plurality of sides include at least one linear section, and wherein the circular approximation of the compound parabolic concentrator section matches the slope of the at least one linear section at an intersection point of the circular approximation of the compound parabolic concentrator section and the at least one linear section.
45. The light containing region of claim 39, wherein the entire length of each side is an arc of a circle that approximates a compound parabolic concentrator.
46. The light containing region of claim 39, wherein the approximation of a compound parabolic concentrator has an aspect ratio of less than about 1:1 to greater than about 7.5:1.
47. The light containing region of claim 39, wherein the light containing region has a rectangular horizontal plane cross-section, such that light emerges from the light output end asymmetrically, wherein an angular distribution of light output along the length of the rectangular output end is greater than the angular distribution of light along its width.
48. A collimating device for use in a system having a backlight, the collimating device comprising:
a reflecting layer; and an optical element layer formed from a plurality of three-dimensional, optical elements, each optical element having a light input end and a light output end, each optical element being tapered towards the backlight such that the light input end has a horizontal plane cross-sectional area that is less than that of the light output end, and wherein the reflecting layer has apertures therein which correspond to the position and shape of the light input ends of the optical elements.
49. The collimating device of claim 48, wherein each optical element has a polygonal horizontal plane cross-section.
50. The collimating device of claim 48, wherein each optical element is lenticular shaped and has a horizontal plane cross-section that is rectangular with length equal to that of the lenticular channel.
51. The collimating device of claim 48, wherein each optical element has a compound parabolic concentrator structure.
52. The collimating device of claim 48, wherein each optical element has a circular approximation of a compound parabolic concentrator structure.
53. A device comprising:
transflective pixels having a reflective surface; and an optical element layer having a plurality of light containing regions, wherein each light containing region is tapered along a curved path towards the transflective pixels, such that each light containing region has a small area end and a wide are end, wherein the small area ends are aligned with the transflective pixels.
54. The device of claim 53, further comprising:
a plurality of color filters aligned with the transflective pixels.
55. The device of claim 53, further comprising:
a backlight;
a front polarizer;
a rear polarizer; and at least one glass layer.
56. The device of claim 55, wherein the at least one glass layer includes a front glass layer.
57. The device of claim 55, wherein the at least one glass layer includes a front glass layer and a rear glass layer.
58. The device of claim 53, wherein the device includes a collimating layer having a plurality of light containing regions and a reflective layer.
59. A method of manufacturing a device having an optical element layer and a reflective layer, the method comprising the steps of:
exposing a side of a photosensitive polymer to laser light with a lens/masking system to form light containing regions in the polymer;
guiding a printing system according to light output through the light containing regions created by a change in index of refraction; and printing a reflective layer on areas where no light is output.
60. The method of claim 59, further comprising a step of:
depositing a blanket polymer over the reflective layer, thereby immersing the reflective layer.
CA2579439A 2004-08-10 2005-08-09 Light collimating device Expired - Fee Related CA2579439C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US60027204P 2004-08-10 2004-08-10
US60/600,272 2004-08-10
US11/194,360 2005-08-01
US11/194,360 US7345824B2 (en) 2002-03-26 2005-08-01 Light collimating device
PCT/US2005/028217 WO2006020610A2 (en) 2004-08-10 2005-08-09 Light collimating device

Publications (2)

Publication Number Publication Date
CA2579439A1 true CA2579439A1 (en) 2006-02-23
CA2579439C CA2579439C (en) 2012-07-24

Family

ID=35908091

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2579439A Expired - Fee Related CA2579439C (en) 2004-08-10 2005-08-09 Light collimating device

Country Status (13)

Country Link
US (3) US7345824B2 (en)
EP (1) EP1782118A4 (en)
JP (1) JP2008510183A (en)
KR (1) KR20070110245A (en)
CN (1) CN101091133B (en)
AU (1) AU2005272937A1 (en)
BR (1) BRPI0514223A (en)
CA (1) CA2579439C (en)
HK (1) HK1116546A1 (en)
MX (1) MX2007001717A (en)
RU (1) RU2007108789A (en)
TW (1) TWI383192B (en)
WO (1) WO2006020610A2 (en)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7345824B2 (en) * 2002-03-26 2008-03-18 Trivium Technologies, Inc. Light collimating device
US7417782B2 (en) 2005-02-23 2008-08-26 Pixtronix, Incorporated Methods and apparatus for spatial light modulation
KR100644632B1 (en) * 2004-10-01 2006-11-10 삼성전자주식회사 Illumination unit adopting LED and projection display using the same
US9082353B2 (en) 2010-01-05 2015-07-14 Pixtronix, Inc. Circuits for controlling display apparatus
US8310442B2 (en) 2005-02-23 2012-11-13 Pixtronix, Inc. Circuits for controlling display apparatus
US7746529B2 (en) 2005-02-23 2010-06-29 Pixtronix, Inc. MEMS display apparatus
US8482496B2 (en) 2006-01-06 2013-07-09 Pixtronix, Inc. Circuits for controlling MEMS display apparatus on a transparent substrate
US7742016B2 (en) 2005-02-23 2010-06-22 Pixtronix, Incorporated Display methods and apparatus
US9229222B2 (en) 2005-02-23 2016-01-05 Pixtronix, Inc. Alignment methods in fluid-filled MEMS displays
US8159428B2 (en) 2005-02-23 2012-04-17 Pixtronix, Inc. Display methods and apparatus
US9158106B2 (en) 2005-02-23 2015-10-13 Pixtronix, Inc. Display methods and apparatus
US7675665B2 (en) 2005-02-23 2010-03-09 Pixtronix, Incorporated Methods and apparatus for actuating displays
US7999994B2 (en) 2005-02-23 2011-08-16 Pixtronix, Inc. Display apparatus and methods for manufacture thereof
US20070205969A1 (en) 2005-02-23 2007-09-06 Pixtronix, Incorporated Direct-view MEMS display devices and methods for generating images thereon
US9261694B2 (en) 2005-02-23 2016-02-16 Pixtronix, Inc. Display apparatus and methods for manufacture thereof
US7755582B2 (en) 2005-02-23 2010-07-13 Pixtronix, Incorporated Display methods and apparatus
US8519945B2 (en) 2006-01-06 2013-08-27 Pixtronix, Inc. Circuits for controlling display apparatus
US7499206B1 (en) 2005-12-09 2009-03-03 Brian Edward Richardson TIR light valve
US7548371B2 (en) * 2005-12-13 2009-06-16 Sharp Kabushiki Kaisha Optical film, illuminator and display
US7450799B2 (en) * 2006-01-24 2008-11-11 Uni-Pixel Displays, Inc. Corner-cube retroreflectors for displays
US8526096B2 (en) 2006-02-23 2013-09-03 Pixtronix, Inc. Mechanical light modulators with stressed beams
JP2007248484A (en) * 2006-03-13 2007-09-27 Sony Corp Display device
US7876489B2 (en) 2006-06-05 2011-01-25 Pixtronix, Inc. Display apparatus with optical cavities
US7795632B2 (en) * 2006-06-26 2010-09-14 Osram Sylvania Inc. Light emitting diode with direct view optic
EP2080045A1 (en) 2006-10-20 2009-07-22 Pixtronix Inc. Light guides and backlight systems incorporating light redirectors at varying densities
US9176318B2 (en) 2007-05-18 2015-11-03 Pixtronix, Inc. Methods for manufacturing fluid-filled MEMS displays
US7852546B2 (en) 2007-10-19 2010-12-14 Pixtronix, Inc. Spacers for maintaining display apparatus alignment
KR101469732B1 (en) * 2007-04-04 2014-12-05 코닌클리케 필립스 엔.브이. Light emitting device
EP2176700B1 (en) * 2007-08-01 2011-04-20 Koninklijke Philips Electronics N.V. Collimating module and device for zero overfill illumination applications with beam width control
CN101821661B (en) * 2007-08-10 2012-07-04 皇家飞利浦电子股份有限公司 Lighting device
US8393752B2 (en) * 2007-08-10 2013-03-12 Koninklijke Philips Electronics N.V. Lighting device
US7847886B2 (en) * 2007-10-03 2010-12-07 Reflexite Corporation Parabolic lenticular collimating films and methods thereof
EP2065752A1 (en) * 2007-11-23 2009-06-03 Koninklijke Philips Electronics N.V. Optical illumination apparatus for illuminating a sample with a line beam
TWI352222B (en) * 2008-01-16 2011-11-11 Coretronic Corp Light-collimating film
DE102008011261A1 (en) * 2008-02-27 2009-09-03 Emitec Gesellschaft Für Emissionstechnologie Mbh Honeycomb body with flexible joints
WO2009108896A1 (en) * 2008-02-27 2009-09-03 Brilliant Film, Llc Concentrators for solar power generating systems
JP5081704B2 (en) * 2008-04-11 2012-11-28 株式会社リコー Method for producing optical element
US8248560B2 (en) 2008-04-18 2012-08-21 Pixtronix, Inc. Light guides and backlight systems incorporating prismatic structures and light redirectors
US7920317B2 (en) 2008-08-04 2011-04-05 Pixtronix, Inc. Display with controlled formation of bubbles
US8520285B2 (en) 2008-08-04 2013-08-27 Pixtronix, Inc. Methods for manufacturing cold seal fluid-filled display apparatus
US8169679B2 (en) 2008-10-27 2012-05-01 Pixtronix, Inc. MEMS anchors
US9070900B2 (en) * 2008-11-13 2015-06-30 Joled Inc Method of manufacturing display, and display
US20100264163A1 (en) 2008-11-13 2010-10-21 Tevs Nikolai R Product Dispensing Apparatus And Method
JP2010134217A (en) * 2008-12-05 2010-06-17 Sony Corp Color filter, method of manufacturing the same and light emission device
US8272770B2 (en) 2009-01-02 2012-09-25 Rambus International Ltd. TIR switched flat panel display
WO2010077367A2 (en) 2009-01-02 2010-07-08 Brian Edward Richardson Optic system for light guide with controlled output
US8152352B2 (en) 2009-01-02 2012-04-10 Rambus International Ltd. Optic system for light guide with controlled output
KR101244550B1 (en) * 2009-05-07 2013-03-18 코오롱인더스트리 주식회사 Light Diffusion member
US8152318B2 (en) * 2009-06-11 2012-04-10 Rambus International Ltd. Optical system for a light emitting diode with collection, conduction, phosphor directing, and output means
US8297818B2 (en) 2009-06-11 2012-10-30 Rambus International Ltd. Optical system with reflectors and light pipes
US20100315836A1 (en) * 2009-06-11 2010-12-16 Brian Edward Richardson Flat panel optical display system with highly controlled output
EP2293140A1 (en) * 2009-08-01 2011-03-09 Bayer MaterialScience AG Multi-layer lighting device with improved characteristics and application thereof
EP2309316A1 (en) * 2009-10-09 2011-04-13 Bayer MaterialScience AG LED illumination unit with structured dispersion film
EP2501990A4 (en) * 2009-11-18 2014-03-26 Rambus Int Ltd Internal collecting reflector optics for leds
TWI438531B (en) * 2009-12-15 2014-05-21 Ind Tech Res Inst Planar light source module and optical film
WO2011078988A1 (en) * 2009-12-21 2011-06-30 3M Innovative Properties Company Transflective articles and light assemblies
BR112012019383A2 (en) 2010-02-02 2017-09-12 Pixtronix Inc CIRCUITS TO CONTROL DISPLAY APPARATUS
TW201133040A (en) * 2010-03-29 2011-10-01 Hon Hai Prec Ind Co Ltd Light concentrating device and backlight module
ES2829818T3 (en) 2010-04-06 2021-06-02 Oy Ics Intelligent Control Systems Ltd Laminate structure with integrated cavities for use with solar cells and related method of manufacture
US8098434B1 (en) * 2010-09-22 2012-01-17 3M Innovative Properties Company Optical decollimator for daylighting systems
CN102478675A (en) * 2010-11-30 2012-05-30 沈阳新松机器人自动化股份有限公司 Curved-surface pyramidal micro-lens array and rear projection screen with the lens array
JP5695935B2 (en) * 2011-02-24 2015-04-08 横河電機株式会社 Infrared analyzer
CN108227168A (en) * 2011-03-30 2018-06-29 3M创新有限公司 Light deflects and light diffusion combination construction
CN102767784A (en) * 2011-05-04 2012-11-07 亚洲光学股份有限公司 Light source module and optical lens thereof
TW201300702A (en) 2011-05-13 2013-01-01 Rambus Inc Lighting assembly
JP5728748B2 (en) * 2011-05-25 2015-06-03 国立研究開発法人情報通信研究機構 Reflector array optical device and display device using the same
US9046241B2 (en) 2011-11-12 2015-06-02 Jingqun Xi High efficiency directional light source using lens optics
US20140140091A1 (en) 2012-11-20 2014-05-22 Sergiy Victorovich Vasylyev Waveguide illumination system
TW201337349A (en) * 2012-03-12 2013-09-16 Innocom Tech Shenzhen Co Ltd Optical element and display system
WO2014070647A2 (en) 2012-11-02 2014-05-08 Corning Incorporated Immersive display with minimized image artifacts
US9575244B2 (en) * 2013-01-04 2017-02-21 Bal Makund Dhar Light guide apparatus and fabrication method thereof
DE102013100888A1 (en) * 2013-01-29 2014-07-31 Schott Ag Light concentrator or distributor
US9134552B2 (en) 2013-03-13 2015-09-15 Pixtronix, Inc. Display apparatus with narrow gap electrostatic actuators
JP6115274B2 (en) * 2013-04-11 2017-04-19 ソニー株式会社 Display device and electronic device
JP6264682B2 (en) * 2013-06-04 2018-01-24 シャープ株式会社 Light diffusing member, display device and daylighting film
CN103968333A (en) * 2014-04-24 2014-08-06 京东方科技集团股份有限公司 Brilliance enhancement film and display device
FR3020473B1 (en) * 2014-04-25 2018-01-12 Sunpartner Technologies INTEGRATED PHOTOVOLTAIC CELL DISPLAY DEVICE WITH IMPROVED BRIGHTNESS AND REFLECTIVITY
TWI526505B (en) 2014-09-11 2016-03-21 財團法人工業技術研究院 Hardcoat composition and polarizer and display device applying the same
US10042478B2 (en) 2014-12-31 2018-08-07 Texas Instruments Incorporated Rear projection display with near-infrared emitting touch screen
CN107683425B (en) * 2015-06-02 2020-04-10 康宁股份有限公司 Multifunctional material system for surface display unit
DE102015210299A1 (en) * 2015-06-03 2016-12-08 Bayerische Motoren Werke Aktiengesellschaft lighting device
CN108474929B (en) * 2015-12-30 2022-06-21 艾伦神火公司 Optical narrowcast
CN106200121A (en) * 2016-08-29 2016-12-07 合肥惠科金扬科技有限公司 A kind of LCD screen backlight barrier structure
CN106292064A (en) * 2016-08-29 2017-01-04 合肥惠科金扬科技有限公司 A kind of LCD screen backlight occlusion method
CN106764708B (en) 2017-02-16 2019-05-24 京东方科技集团股份有限公司 Light source assembly, backlight module and display device
DE102017107303A1 (en) * 2017-04-05 2018-10-11 Osram Opto Semiconductors Gmbh DEVICE FOR DISPLAYING AN IMAGE
US9853740B1 (en) 2017-06-06 2017-12-26 Surefire Llc Adaptive communications focal plane array
US10236986B1 (en) 2018-01-05 2019-03-19 Aron Surefire, Llc Systems and methods for tiling free space optical transmissions
US10250948B1 (en) 2018-01-05 2019-04-02 Aron Surefire, Llc Social media with optical narrowcasting
US10473439B2 (en) 2018-01-05 2019-11-12 Aron Surefire, Llc Gaming systems and methods using optical narrowcasting
CN108873126B (en) * 2018-06-26 2021-04-30 武汉华星光电技术有限公司 Optical film, backlight module and display device
CN109270698A (en) * 2018-11-22 2019-01-25 合肥京东方光电科技有限公司 Light collimating film and its application
CN109738439B (en) * 2019-01-02 2021-04-13 中国工程物理研究院材料研究所 Solid angle differential imaging collimator and application thereof
CN110082854B (en) * 2019-05-16 2020-12-01 京东方科技集团股份有限公司 Backlight module, manufacturing method and driving method thereof, and display device
WO2021169725A1 (en) * 2020-02-24 2021-09-02 宁波激智科技股份有限公司 Collimating film, interference-reducing collimating film and preparation method therefor, laminated collimating film, and image recognition module
CN112965261B (en) * 2021-02-23 2022-10-28 山东仕达思生物产业有限公司 Method for quickly and effectively intelligently correcting microscope optical axis based on machine vision and implementation system thereof

Family Cites Families (129)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1253138A (en) * 1915-02-16 1918-01-08 Brewster Film Corp Light-splitting device for color photography.
US3809686A (en) * 1970-03-19 1974-05-07 Bell Telephone Labor Inc Transparent media capable of photoinduced refractive index changes and their application to light guides and the like
US3707416A (en) * 1970-10-30 1972-12-26 Minnesota Mining & Mfg Skewed billets for making louvered films
USRE27617E (en) * 1970-10-30 1973-04-17 Louvered transparent sheeting made by skiving
US3791722A (en) * 1972-01-12 1974-02-12 Minnesota Mining & Mfg Lenses
US3919559A (en) * 1972-08-28 1975-11-11 Minnesota Mining & Mfg Louvered film for unidirectional light from a point source
US3985116A (en) 1974-04-22 1976-10-12 Kaptron, Inc. High efficiency solar panel
US3936157A (en) * 1974-04-22 1976-02-03 Kaptron, Inc. High efficiency light transmitting window panel
US3993485A (en) 1975-05-27 1976-11-23 Bell Telephone Laboratories, Incorporated Photopolymerization process and related devices
US4040727A (en) * 1975-09-10 1977-08-09 Rockwell International Corporation Transflector
US4093356A (en) * 1977-02-14 1978-06-06 General Electric Company Transflective liquid crystal display
US4196973A (en) * 1978-08-21 1980-04-08 Timex Corporation Transflector for illuminated electrooptic displays
DE2915847C2 (en) * 1978-09-29 1986-01-16 Nitto Electric Industrial Co., Ltd., Ibaraki, Osaka Electro-optically activated display
US4315258A (en) * 1980-02-15 1982-02-09 The United States Of America As Represented By The Secretary Of The Navy Transmissive and reflective liquid crystal display
NL8001281A (en) * 1980-03-04 1981-10-01 Philips Nv DISPLAY DEVICE.
US4545648A (en) 1980-10-30 1985-10-08 Polaroid Corporation Nacreous transflector illumination system for liquid crystal display
US4436377A (en) * 1980-11-06 1984-03-13 Morgan Adhesives Company Transmissive reflector including nacreous, pressure sensitive adhesive layer
US4398805A (en) * 1981-07-06 1983-08-16 General Electric Company Transflective liquid crystal display
US4863224A (en) * 1981-10-06 1989-09-05 Afian Viktor V Solar concentrator and manufacturing method therefor
US4636786A (en) * 1982-12-20 1987-01-13 Motorola, Inc. Electrooptic ceramic display and method for making same
US4621898A (en) 1983-03-17 1986-11-11 Allied Corporation Directional optical filter
US4541692A (en) * 1983-05-31 1985-09-17 General Electric Company Transflective liquid crystal display with enhanced contrast ratio
US4712854A (en) 1983-07-11 1987-12-15 Omron Tateisi Electronics Co. Optical waveguide and method of making the same
US4542449A (en) * 1983-08-29 1985-09-17 Canadian Patents & Development Limited Lighting panel with opposed 45° corrugations
US4832459A (en) * 1984-02-06 1989-05-23 Rogers Corporation Backlighting for electro-optical passive displays and transflective layer useful therewith
US4637687A (en) * 1984-06-14 1987-01-20 General Electric Company Cascaded, dual cell transflective liquid crystal display
US4754275A (en) * 1985-06-07 1988-06-28 Motorola, Inc. Display with supplemental lighting system
JPS62195601A (en) * 1985-09-20 1987-08-28 Nissho Giken Kk Optical direction converter
US5146355A (en) * 1986-10-23 1992-09-08 Litton Systems Canada Limited Transflective mode liquid crystal display with phosphor illumination
US4748546A (en) * 1987-02-02 1988-05-31 Allied-Signal Inc. Fluorescent backlighting unit
US4799137A (en) * 1987-03-24 1989-01-17 Minnesota Mining And Manufacturing Company Reflective film
EP0401208B1 (en) 1988-02-26 1992-05-20 Siemens Nixdorf Informationssysteme Aktiengesellschaft Process and device for printing by inking a latent image
US5204160A (en) * 1988-08-08 1993-04-20 Minnesota Mining And Manufacturing Company Light-collimating film
US5048931A (en) * 1988-11-01 1991-09-17 North American Philips Corporation Liquid crystal display projection system having improved contrast
JP2571113B2 (en) * 1988-12-29 1997-01-16 富士写真フイルム株式会社 Photopolymerizable composition
US4936659A (en) * 1989-01-26 1990-06-26 Rockwell International Corporation Liquid crystal display brightness enhancer
DE59007720D1 (en) 1989-10-27 1994-12-22 Ciba Geigy Ag Method for tuning the radiation sensitivity of photopolymerizable compositions.
US5028105A (en) * 1989-12-21 1991-07-02 Galileo Electro-Optics Corporation Photorefractive effect in bulk glass and devices made therefrom
US5136677A (en) * 1989-12-21 1992-08-04 Galileo Electro-Optics Corporation Photorefractive effect in bulk chalcogenide glass and devices made therefrom
WO1991010149A1 (en) * 1989-12-26 1991-07-11 Allied-Signal Inc. Method for forming optically active waveguides
US5054872A (en) 1990-03-16 1991-10-08 Ibm Corporation Polymeric optical waveguides and methods of forming the same
US5130827A (en) * 1990-09-10 1992-07-14 Litton Systems, Inc. Display cell having active and passive areas
JP2517835Y2 (en) * 1991-02-08 1996-11-20 矢崎総業株式会社 Vehicle display
US5226105A (en) * 1991-06-27 1993-07-06 Poly-Optical Products, Inc. Fiber optic backlighting panel and dot process for making same
US5665431A (en) * 1991-09-03 1997-09-09 Valenite Inc. Titanium carbonitride coated stratified substrate and cutting inserts made from the same
US5414599A (en) * 1991-09-09 1995-05-09 Enplas Corporation Surface light source device
WO1993008488A1 (en) * 1991-10-22 1993-04-29 Yasuhiro Koike Optical resin material of refractive index distribution type, method of making said material, and optical transmitter
EP0545558B1 (en) * 1991-11-28 1997-01-15 Nippon Seiki K.K. Display panel with electroluminescent illumination
US6002829A (en) 1992-03-23 1999-12-14 Minnesota Mining And Manufacturing Company Luminaire device
US5528720A (en) * 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
US5309544A (en) * 1992-03-31 1994-05-03 Minnesota Mining And Manufacturing Company Light pipe having optimized cross-section
CA2097109C (en) 1992-06-01 2000-01-11 Shozo Kokawa Liquid crystal display
DE69316792T2 (en) 1992-06-17 1998-05-28 Nitto Denko Corp A method of producing polymerization or cross-linked rate-distributed products and a method of producing a lens, lens assembly or optical fiber by this method
DE69321523T2 (en) 1992-06-26 1999-05-06 Sharp Kk Reflective liquid crystal display device
JP2842739B2 (en) * 1992-09-14 1999-01-06 富士通株式会社 Surface light source unit and liquid crystal display device
US5428648A (en) * 1992-09-18 1995-06-27 Sony Corporation Digital PLL circuit having signal edge position measurement
US5339179A (en) * 1992-10-01 1994-08-16 International Business Machines Corp. Edge-lit transflective non-emissive display with angled interface means on both sides of light conducting panel
JP2823470B2 (en) * 1993-03-09 1998-11-11 シャープ株式会社 Optical scanning device, display device using the same, and image information input / output device
JP3383412B2 (en) * 1993-08-03 2003-03-04 富士通ディスプレイテクノロジーズ株式会社 Light guide group, row light guide, light source device, and liquid crystal display device
GB9320326D0 (en) 1993-10-01 1993-11-17 Ici Plc Organic optical components and preparation thereof
US5428468A (en) * 1993-11-05 1995-06-27 Alliedsignal Inc. Illumination system employing an array of microprisms
US5555329A (en) * 1993-11-05 1996-09-10 Alliesignal Inc. Light directing optical structure
US5396350A (en) * 1993-11-05 1995-03-07 Alliedsignal Inc. Backlighting apparatus employing an array of microprisms
US5598281A (en) * 1993-11-19 1997-01-28 Alliedsignal Inc. Backlight assembly for improved illumination employing tapered optical elements
US5479275A (en) 1993-12-03 1995-12-26 Ois Optical Imaging Systems, Inc. Backlit liquid crystal display with integral collimating, refracting, and reflecting means which refracts and collimates light from a first light source and reflects light from a second light source
US6025897A (en) * 1993-12-21 2000-02-15 3M Innovative Properties Co. Display with reflective polarizer and randomizing cavity
US5481445A (en) * 1994-02-15 1996-01-02 Lexalite International Corp. Transflection reflector having controlled reflected and transmitted light distribution
US5503902A (en) * 1994-03-02 1996-04-02 Applied Physics Research, L.P. Light control material
TW281731B (en) * 1994-08-26 1996-07-21 Akzo Nobel Nv
JPH08159819A (en) * 1994-12-09 1996-06-21 Nippondenso Co Ltd Recorder
JPH08221013A (en) * 1994-12-15 1996-08-30 Sony Corp Plane display device and backlight device for the plane display device
US5781342A (en) * 1995-01-06 1998-07-14 W.L. Gore & Associates, Inc. High light diffusive and low light absorbent material and method for making and using same
US5626800A (en) * 1995-02-03 1997-05-06 Minnesota Mining And Manufacturing Company Prevention of groove tip deformation in brightness enhancement film
FR2731081B1 (en) * 1995-02-27 1997-04-11 Essilor Int PROCESS FOR OBTAINING A TRANSPARENT ARTICLE WITH A REFRACTION INDEX
JP3168010B2 (en) * 1995-04-11 2001-05-21 リトン・システムズ・インコーポレーテッド Liquid crystal display readable in sunlight
US5668614A (en) * 1995-05-01 1997-09-16 Kent State University Pixelized liquid crystal display materials including chiral material adopted to change its chirality upon photo-irradiation
JP3291972B2 (en) * 1995-05-16 2002-06-17 ソニー株式会社 Liquid crystal display device and manufacturing method thereof
US5686979A (en) 1995-06-26 1997-11-11 Minnesota Mining And Manufacturing Company Optical panel capable of switching between reflective and transmissive states
US5971551A (en) * 1995-07-07 1999-10-26 Arch Development Corporation Nonimaging optical concentrators and illuminators
US5839812A (en) * 1995-07-18 1998-11-24 Gl Displays, Inc. Flat parallel light source
JPH0949947A (en) * 1995-08-10 1997-02-18 Hitachi Ltd Optical module
US5783340A (en) * 1995-09-06 1998-07-21 Sandia Corporation Method for photolithographic definition of recessed features on a semiconductor wafer utilizing auto-focusing alignment
US6007963A (en) 1995-09-21 1999-12-28 Sandia Corporation Method for extreme ultraviolet lithography
US5761364A (en) * 1995-11-02 1998-06-02 Motorola, Inc. Optical waveguide
JPH09193465A (en) * 1995-11-16 1997-07-29 Ricoh Co Ltd Image recording device
US5647040A (en) * 1995-12-14 1997-07-08 Corning Incorporated Tunable optical coupler using photosensitive glass
JP3351945B2 (en) * 1995-12-18 2002-12-03 シャープ株式会社 Reflective liquid crystal display
US5751871A (en) * 1996-01-05 1998-05-12 Ceram Optec Industries, Inc. Method for coupling of semiconductor lasers into optical fibers
US6072551A (en) * 1996-02-14 2000-06-06 Physical Optics Corporation Backlight apparatus for illuminating a display with controlled light output characteristics
US5838403A (en) 1996-02-14 1998-11-17 Physical Optics Corporation Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing
JPH09292504A (en) * 1996-02-27 1997-11-11 Sharp Corp Reflection plate and its manufacture as well as reflection type liquid crystal display device formed by using this reflection plate
US5661839A (en) * 1996-03-22 1997-08-26 The University Of British Columbia Light guide employing multilayer optical film
DE69722673T2 (en) * 1996-03-25 2004-02-05 Nippon Sheet Glass Co., Ltd. Laser manufacturing process for glass substrates and microlens arrays so produced
US5839823A (en) * 1996-03-26 1998-11-24 Alliedsignal Inc. Back-coupled illumination system with light recycling
US5926601A (en) * 1996-05-02 1999-07-20 Briteview Technologies, Inc. Stacked backlighting system using microprisms
US5870176A (en) * 1996-06-19 1999-02-09 Sandia Corporation Maskless lithography
JP3769327B2 (en) * 1996-07-23 2006-04-26 大日本印刷株式会社 Prism lens sheet, backlight system and liquid crystal display device
JP3308165B2 (en) * 1996-07-29 2002-07-29 シャープ株式会社 Fabrication method of tapered waveguide
JP3271695B2 (en) * 1996-09-20 2002-04-02 シャープ株式会社 Backlight light source and liquid crystal display device
EP0838709A3 (en) 1996-09-30 1999-07-28 Siemens Aktiengesellschaft Arrangement for transformation between light beams of minor cross-section and a light beam of larger cross-section
EP0934488A4 (en) * 1996-10-21 1999-12-08 Physical Optics Corp Integrated beamformer and methods of manufacture thereof
JP3466433B2 (en) * 1996-11-12 2003-11-10 シャープ株式会社 Liquid crystal display
JP2000504438A (en) * 1996-11-28 2000-04-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Reflective flat panel display
US6010747A (en) * 1996-12-02 2000-01-04 Alliedsignal Inc. Process for making optical structures for diffusing light
US6424786B1 (en) * 1996-12-02 2002-07-23 Honeywell International Inc. Illumination assembly
JPH10260403A (en) 1997-01-20 1998-09-29 Seiko Epson Corp Liquid-crystal device and electronic equipment
US5881201A (en) * 1997-03-11 1999-03-09 Hoechst Celanese Corporation Backlighting lightpipes for display applications
GB9708468D0 (en) * 1997-04-25 1997-06-18 Screen Tech Ltd Collimator
JPH1124584A (en) * 1997-07-04 1999-01-29 Stanley Electric Co Ltd Back light device for liquid crystal display unit
US6195140B1 (en) * 1997-07-28 2001-02-27 Sharp Kabushiki Kaisha Liquid crystal display in which at least one pixel includes both a transmissive region and a reflective region
US6473220B1 (en) * 1998-01-22 2002-10-29 Trivium Technologies, Inc. Film having transmissive and reflective properties
US5963284A (en) 1998-04-01 1999-10-05 Ois Optical Imaging Systems, Inc. LCD with diffuser having diffusing particles therein located between polarizers
US5986730A (en) 1998-12-01 1999-11-16 Moxtek Dual mode reflective/transmissive liquid crystal display apparatus
US6707518B1 (en) * 1999-07-12 2004-03-16 Coho Holdings, Llc Electro-optic device allowing wavelength tuning
US6368775B1 (en) * 2000-01-27 2002-04-09 Sandia Corporation 3-D photo-patterning of refractive index structures in photosensitive thin film materials
US7094595B2 (en) * 2000-10-30 2006-08-22 Sru Biosystems, Inc. Label-free high-throughput optical technique for detecting biomolecular interactions
US6398370B1 (en) * 2000-11-15 2002-06-04 3M Innovative Properties Company Light control device
JP3889247B2 (en) * 2001-03-15 2007-03-07 日本板硝子株式会社 Optical module and method for assembling the same
US6903788B2 (en) * 2001-07-05 2005-06-07 Nitto Denko Corporation Optical film and a liquid crystal display using the same
US7595934B2 (en) * 2002-03-26 2009-09-29 Brilliant Film Llc Integrated sub-assembly having a light collimating or transflecting device
US7518801B2 (en) * 2002-03-26 2009-04-14 Brillant Film Llc Method for making collimating or transflecting film having a reflective layer
US7428367B2 (en) * 2002-10-17 2008-09-23 Brilliant Film Llc Light control devices and methods of making same
US7345824B2 (en) * 2002-03-26 2008-03-18 Trivium Technologies, Inc. Light collimating device
US6788470B2 (en) * 2002-09-30 2004-09-07 Shih-Chou Chen Light collimating system
CN1488956A (en) * 2002-10-09 2004-04-14 兴隆发电子股份有限公司 Light-beam collimating device and collimation type surface light source
TW582552U (en) * 2003-03-24 2004-04-01 Shih-Chieh Tang Brightness unit structure for a brightness enhancement film
US7573550B2 (en) * 2003-05-20 2009-08-11 Brilliant Film, Llc Devices for use in non-emissive displays
US6972827B2 (en) * 2003-12-19 2005-12-06 Eastman Kodak Company Transflective film and display
US20050185416A1 (en) * 2004-02-24 2005-08-25 Eastman Kodak Company Brightness enhancement film using light concentrator array

Also Published As

Publication number Publication date
US7573642B2 (en) 2009-08-11
US7480101B2 (en) 2009-01-20
CA2579439C (en) 2012-07-24
RU2007108789A (en) 2008-09-20
CN101091133A (en) 2007-12-19
JP2008510183A (en) 2008-04-03
BRPI0514223A (en) 2008-06-03
US20070153396A1 (en) 2007-07-05
HK1116546A1 (en) 2008-12-24
WO2006020610A2 (en) 2006-02-23
MX2007001717A (en) 2007-07-04
EP1782118A2 (en) 2007-05-09
AU2005272937A1 (en) 2006-02-23
US20050259198A1 (en) 2005-11-24
EP1782118A4 (en) 2009-09-16
US7345824B2 (en) 2008-03-18
TW200609565A (en) 2006-03-16
US20080144182A1 (en) 2008-06-19
CN101091133B (en) 2010-10-06
TWI383192B (en) 2013-01-21
KR20070110245A (en) 2007-11-16
WO2006020610A3 (en) 2006-12-14

Similar Documents

Publication Publication Date Title
CA2579439A1 (en) Light collimating device
CN111886443B (en) Optical device
US6714185B2 (en) Back lighting apparatus of liquid crystal display using optical fiber
CN100517017C (en) Display apparatus and electronic device
US8049841B2 (en) Wire grid polarized and liquid crystal display device using the same
US7396150B2 (en) Lighting apparatus and display apparatus
US6123431A (en) Backlight apparatus and light guide plate
CN100478714C (en) Turning film using a two-dimensional array of roof prism
EP1906218B1 (en) Light guide member and blacklight unit including light guide member
KR101270165B1 (en) Reflection and transmission type of display panel and display apparatus employing the same
US20060187377A1 (en) Optical sheet having anisotropic light diffusing characteristic and surface illuminant device including the same
KR100882626B1 (en) Backlight device and liquid crystal display
WO2003004931A2 (en) Backlight using planar hologram for flat display device
US20090310231A1 (en) Optical system
KR101604243B1 (en) Light guide plate, backlight unit and liquid crystal display having the same
US7548371B2 (en) Optical film, illuminator and display
KR20050085418A (en) Brightness enhancement film with improved view angle
KR20100094533A (en) Light guides
TWI704401B (en) Backlight module
CN110161612B (en) Optical waveguide device, near-eye display apparatus, and terminal
JP4668281B2 (en) Display device and liquid crystal display device
JPH11212479A (en) Back light device
CN115083302B (en) LED display panel and display device
JP2008299131A (en) Liquid crystal display
KR102642698B1 (en) Light source with bipartite emission pattern, multi-view backlight, and method

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20140811