WO2009020921A4 - Dynamic autostereoscopic displays - Google Patents

Dynamic autostereoscopic displays Download PDF

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Publication number
WO2009020921A4
WO2009020921A4 PCT/US2008/072121 US2008072121W WO2009020921A4 WO 2009020921 A4 WO2009020921 A4 WO 2009020921A4 US 2008072121 W US2008072121 W US 2008072121W WO 2009020921 A4 WO2009020921 A4 WO 2009020921A4
Authority
WO
WIPO (PCT)
Prior art keywords
display
display device
data
lens array
display region
Prior art date
Application number
PCT/US2008/072121
Other languages
French (fr)
Other versions
WO2009020921A1 (en
Inventor
Mark E Lucente
Tizhi Huang
Thomas L Burnett
Michael A Klug
Anthony W Heath
Mark E Holzbach
Original Assignee
Zebra Imaging Inc
Mark E Lucente
Tizhi Huang
Thomas L Burnett
Michael A Klug
Anthony W Heath
Mark E Holzbach
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 Zebra Imaging Inc, Mark E Lucente, Tizhi Huang, Thomas L Burnett, Michael A Klug, Anthony W Heath, Mark E Holzbach filed Critical Zebra Imaging Inc
Priority to JP2010520247A priority Critical patent/JP5528340B2/en
Publication of WO2009020921A1 publication Critical patent/WO2009020921A1/en
Publication of WO2009020921A4 publication Critical patent/WO2009020921A4/en

Links

Classifications

    • 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
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
    • G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/307—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using fly-eye lenses, e.g. arrangements of circular lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/008—Mountings, adjusting means, or light-tight connections, for optical elements with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation
    • 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
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses

Abstract

It has been discovered that display devices can be used to provide display functionality in dynamic autostereoscopic displays. One or more display devices are coupled to one or more appropriate computing devices. These computing devices control delivery of autostereoscopic image data to the display devices. A lens array coupled to the display devices, e.g., directly or through some light delivery device, provides appropriate conditioning of the autostereoscopic image data so that users can view dynamic autostereoscopic images.

Claims

AMENDED CLAIMS received by the International Bureau on 28 February 2009 (28.02.09)
1. An apparatus comprising: at least one display device; a computer coupled to the at least one display device and programmed to control delivery of autosiereoscopic image data to the at least one display device; and a lens array coupled to the at least one display device, the lens array comprising a plurality of lenslets optically isolated by one or more grooves between the lenslets.
2. The apparatus of claim 1, wherein: the at least one display device comprises a first display region and a second display region; the computer coupled to the at least one display device is programmed to control delivery of first autostereoscopic image data to the first display region and to control delivery of second autostereoscopic image data to the second display region; the plurality of lenslets comprises a first lens corresponding to the first display region and a second lens corresponding to the second display region; and at least one of the plurality of lenslets comprises a bi-convex lens in optical communication with a plano-convex lens.
3- The apparatus of claim I5 wherein at least one of the plurality of lenslets comprises a first plano-convex lens in optical communication with a second plano-convex lens.
4. The apparatus of claim I7 wherein: the at least one display device comprises one or more of: an electroluminescent display, a field emission display, a plasma display, a vacuum fluorescent display, a carbon-nanotube display, a polymeric display, an organic light emitting diode display, an electro-optic transmissive device, a micro-electromechanical device, an electro-optic reflective device, a magneto-optic device, an acousto-optic device, or an optically addressed device;
42 the at least one display device comprises a plurality of display devices aligned with the lens array;
The computer comprises a plurality of computers; and a first one of the plurality of computers is programmed to control delivery of a first autostereoscopic image data to a first display region of the at least one display device and wherein a second one of the plurality of computers is programmed to control delivery of a second autostereoscopic image data to a second display region of the at least one display device.
5. The apparatus of claim, 1, comprising an array of magnifying relay lenses between the at least one display device and the lens array.
6. The apparatus of claim 1, wherein: the lens array is coupled to the at least one display device using an index matching material; the computer coupled to the at least one display device is programmed to render the autostereoscopic image data using one or more of: ray tracing, ray casting, lightfield rendering, or scanlήie rendering; the autostereoscopic image data comprises hogel data; and the apparatus comprising a mask array coupled to the lens array.
7. The apparatus of claim I5 comprising: at least one sensor positioned with respect to the lens array to detect light emitted from the at least one display device, wherein the at least one sensor is coupled to one or more of the computer or a calibration computer system; and wherein the one or more of the computer or the calibration computer system executing calibration software using data from the at least one sensor.
43 S. The apparatus of claim 7, wherein: the calibration software is configured to generate a correction table based on the data from the at least one sensor; the computer coupled to the. at least one display device is programmed to render the autostereoscopic image data using data stored in the correction table; the at least one sensor comprises a plurality of sensors; and the one or more of the computer or the calibration computer system executes calibration software using data from the plurality of sensors.
9. The apparatus of claim 1, wherein the calibration software is configured to perform one or more of: guess which test data pattern of a plurality of test patterns will generate the data from the at least one sensor when the test data pattern is displayed on the at least one display device; normalize the data from the at least one sensor; record the data from the at least one sensor; and determine which test data pattern generates an optimal signal when the test data pattern is displayed on the at least one display device.
10. The apparatus of claim 1, wherein the grooves comprise gaps in an optical material.
11. The apparatus of claim 1 , wherein the grooves comprise a substantially opaque filling.
12. The apparatus of claim 1 „ wherein the grooves extend into a plane of the plurality of lenslets.
13. The apparatus of claim 1, comprising: a graphics module configured to receive geometry and command data and to generate hogel-based data in response; at least one processing unit configured to receive the liogel-based data and to buffer a frame of display data; and at least one spatial light modulator coupled to the at least one processing unit and configured display hogel-based imagery.
44
14. The apparatus of claim I , wherein the at least one display comprises: a first display region configured to radiate light in a plurality of directions through the lens array., wherein the first display region is configured to radiate only one intensity of light at a time into a corresponding one of the plurality of directions; and a second display region configured to radiate light in a plurality of directions through the lens array, wherein the second display region is configured to radiate only one intensity of light at a time into a corresponding one of the plurality of directions; wherein the apparatus comprises: a first relay lens disposed between the lens array and the first display region, and configured to image a magnified image of the first display region onto the lens array; and a second relay lens disposed between the lens array and the second display region, and configured to image a magnified image of the second display region onto the lens array.
15. The apparatus of claim 14, wherein the first relay lens is configured to relay a source plane of the display device, through cover optics disposed on the display device, onto the lens array.
16. A method comprising; delivering autostereoscopic image data to a plurality of display elements in a display device; wherein the display device is coupled to a lens array; the lens array comprises a plurality of lenslets optically isolated by one or more grooves between the lenslets; each display element is configured to radiate light in a plurality of directions through the lens array; and the autostereoscopic image data controls intensities of light radiated in each of the plurality of directions.
17. The method of claim 16, wherein: the display device comprises a first display region and a second display region; the computer coupled to the at least one display device is programmed to control delivery of first autostereoscopic image data to the first display region and to control delivery of second autostereoscopic image data to the second display region; and the plurality of lenslets comprises a first lens corresponding to the first display region and a second lens corresponding to the second display region.
18. The method of claim 16, comprising: transmitting the light through an array of magnifying relay lenses coupled between the display device and the lens array.
19. The method of claim 16. comprising: calibrating the display device using data from at least one sensor that detects light emitted from the display device.
20. The method of claim 19, comprising: generating a correction table based on data received through the sensor; and rendering the autostereoscopic image data using data stored in the correction table.
21. The method of claim 19, comprising: guessing which test data pattern of a plurality of test patterns would generate the data received through the sensor when a test data pattern is displayed on the display device; normalizing the data received through the sensor; recording data received through the sensor; and determining which test data pattern generates an optimal signal when the test data pattern is displayed on the display device.
22. The method of claim 16, wherein the grooves comprise gaps in an optical material.
23. The method of claim 16, wherein the grooves comprise a substantially opaque filling.
46
24. The method of claim 16, wherein the grooves extend into a plane of the plurality of lenslets.
25. The method of claim 16, comprising: generating hogel-based data in response to geometry and command data; buffering a frame of display data in response to the hogel-based data; and displaying hogel-based imagery through a spatial light modulator in response to the frame of display data.
26. The method of claim 16- wherein the plurality of display elements comprises: a first display element, configured to radiate only one intensity of light at a time into a corresponding one of the plurality of directions; and a second display element, configured to radiate only one intensity of light at a time into a corresponding one of the plurality of directions; wherein the method comprises: transmitting light from the first display region through a first relay lens to the lens array; and transmitting light from the second display region through a second relay lens to the lens array.
27. The method of claim 26, wherein the first relay lens is configured to relay a source plane of the display device, through cover optics disposed on the display device, onto the lens array.
47
PCT/US2008/072121 2007-08-05 2008-08-04 Dynamic autostereoscopic displays WO2009020921A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010520247A JP5528340B2 (en) 2007-08-05 2008-08-04 Dynamic autostereoscopic display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/834,005 2007-08-05
US11/834,005 US20080144174A1 (en) 2006-03-15 2007-08-05 Dynamic autostereoscopic displays

Publications (2)

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WO2009020921A1 WO2009020921A1 (en) 2009-02-12
WO2009020921A4 true WO2009020921A4 (en) 2009-04-16

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JP (1) JP5528340B2 (en)
WO (1) WO2009020921A1 (en)

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