EP1474717A4 - Design of prism assemblies and kernel configurations for use in projection systems - Google Patents

Design of prism assemblies and kernel configurations for use in projection systems

Info

Publication number
EP1474717A4
EP1474717A4 EP03703800A EP03703800A EP1474717A4 EP 1474717 A4 EP1474717 A4 EP 1474717A4 EP 03703800 A EP03703800 A EP 03703800A EP 03703800 A EP03703800 A EP 03703800A EP 1474717 A4 EP1474717 A4 EP 1474717A4
Authority
EP
European Patent Office
Prior art keywords
design
projection systems
prism assemblies
kernel configurations
kernel
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.)
Withdrawn
Application number
EP03703800A
Other languages
German (de)
French (fr)
Other versions
EP1474717A2 (en
Inventor
Arthur Berman
Michael Detro
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.)
LightMaster Systems Inc
Original Assignee
LightMaster Systems Inc
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
Priority claimed from US10/202,595 external-priority patent/US6999237B2/en
Priority claimed from US10/251,104 external-priority patent/US6796663B2/en
Priority claimed from US10/251,225 external-priority patent/US6809874B1/en
Priority claimed from US10/342,219 external-priority patent/US6909556B2/en
Application filed by LightMaster Systems Inc filed Critical LightMaster Systems Inc
Publication of EP1474717A2 publication Critical patent/EP1474717A2/en
Publication of EP1474717A4 publication Critical patent/EP1474717A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • 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
    • G02B27/10—Beam splitting or combining 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • 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
    • G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
EP03703800A 2002-01-14 2003-01-14 Design of prism assemblies and kernel configurations for use in projection systems Withdrawn EP1474717A4 (en)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US34927102P 2002-01-14 2002-01-14
US10/202,595 US6999237B2 (en) 2001-09-12 2002-07-24 Method and apparatus for configuration and assembly of a video projection light management system
US202595 2002-07-24
US251225 2002-09-20
US10/251,104 US6796663B2 (en) 2002-02-11 2002-09-20 Method and apparatus for mounting liquid crystal on silicon (LCoS) and other sensitive devices
US251104 2002-09-20
US10/251,225 US6809874B1 (en) 2002-01-14 2002-09-20 Pathlength matched beam splitter and method and apparatus for assembly
US41860002P 2002-10-15 2002-10-15
US418600P 2002-10-15
US10/342,219 US6909556B2 (en) 2002-01-14 2003-01-13 Design of prism assemblies and kernel configurations for use in projection systems
US342219 2003-01-13
PCT/US2003/001026 WO2003060566A2 (en) 2002-01-14 2003-01-14 Design of prism assemblies and kernel configurations for use in projection systems
US349271P 2010-05-28

Publications (2)

Publication Number Publication Date
EP1474717A2 EP1474717A2 (en) 2004-11-10
EP1474717A4 true EP1474717A4 (en) 2010-04-07

Family

ID=28679201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03703800A Withdrawn EP1474717A4 (en) 2002-01-14 2003-01-14 Design of prism assemblies and kernel configurations for use in projection systems

Country Status (7)

Country Link
EP (1) EP1474717A4 (en)
JP (1) JP2005525586A (en)
KR (1) KR20040086271A (en)
CN (1) CN1643434A (en)
AU (1) AU2003205131A1 (en)
MX (1) MXPA04006838A (en)
WO (1) WO2003060566A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1662313A3 (en) * 2004-11-30 2006-10-25 Barco N.V. Improved architecture for a projector
KR101298285B1 (en) * 2009-12-14 2013-08-20 엘지디스플레이 주식회사 Outdoor large area display device and manufacturing the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05232304A (en) * 1992-02-19 1993-09-10 Matsushita Electric Ind Co Ltd Color separating prism device
US20020001135A1 (en) * 2000-03-27 2002-01-03 Berman Arthur L. High efficiency prism assembly for image projection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6176586B1 (en) * 1998-03-24 2001-01-23 Minolta Co., Ltd. Projection display apparatus
US6309071B1 (en) * 1999-08-04 2001-10-30 Sharp Laboratories Of America, Inc. Liquid crystal projection display system
JP3768381B2 (en) * 2000-05-11 2006-04-19 株式会社日立製作所 LCD projector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05232304A (en) * 1992-02-19 1993-09-10 Matsushita Electric Ind Co Ltd Color separating prism device
US20020001135A1 (en) * 2000-03-27 2002-01-03 Berman Arthur L. High efficiency prism assembly for image projection

Also Published As

Publication number Publication date
JP2005525586A (en) 2005-08-25
AU2003205131A1 (en) 2003-07-30
WO2003060566A8 (en) 2003-12-04
WO2003060566A3 (en) 2003-10-09
EP1474717A2 (en) 2004-11-10
CN1643434A (en) 2005-07-20
MXPA04006838A (en) 2004-12-08
WO2003060566A2 (en) 2003-07-24
KR20040086271A (en) 2004-10-08
AU2003205131A8 (en) 2003-07-30

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20040811

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO

A4 Supplementary search report drawn up and despatched

Effective date: 20100305

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 9/31 20060101ALN20100301BHEP

Ipc: G02B 27/28 20060101ALI20100301BHEP

Ipc: G02B 27/14 20060101AFI20040823BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20100603