CA2395238A1 - Optical system for display panel - Google Patents

Optical system for display panel Download PDF

Info

Publication number
CA2395238A1
CA2395238A1 CA002395238A CA2395238A CA2395238A1 CA 2395238 A1 CA2395238 A1 CA 2395238A1 CA 002395238 A CA002395238 A CA 002395238A CA 2395238 A CA2395238 A CA 2395238A CA 2395238 A1 CA2395238 A1 CA 2395238A1
Authority
CA
Canada
Prior art keywords
image
anamorphic
telecentric
tilt
imaging element
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.)
Abandoned
Application number
CA002395238A
Other languages
English (en)
French (fr)
Inventor
Christopher T. Cotton
James T. Veligdan
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.)
SCRAM TECHNOLOGIES Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2395238A1 publication Critical patent/CA2395238A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • 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
    • G03B21/10—Projectors with built-in or built-on screen
    • 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
    • G03B21/14—Details
    • G03B21/147—Optical correction of image distortions, e.g. keystone
    • 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
    • G03B21/14—Details
    • G03B21/28—Reflectors in projection beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CA002395238A 1999-12-21 2000-12-20 Optical system for display panel Abandoned CA2395238A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/468,602 1999-12-21
US09/468,602 US6485145B1 (en) 1999-12-21 1999-12-21 Optical system for display panel
PCT/US2000/034583 WO2001046755A1 (en) 1999-12-21 2000-12-20 Optical system for display panel

Publications (1)

Publication Number Publication Date
CA2395238A1 true CA2395238A1 (en) 2001-06-28

Family

ID=34318865

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002395238A Abandoned CA2395238A1 (en) 1999-12-21 2000-12-20 Optical system for display panel

Country Status (7)

Country Link
US (2) US6485145B1 (enExample)
EP (1) EP1240548A4 (enExample)
JP (1) JP2003518278A (enExample)
CN (1) CN1541346A (enExample)
AU (1) AU2280901A (enExample)
CA (1) CA2395238A1 (enExample)
WO (1) WO2001046755A1 (enExample)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6719430B2 (en) * 1999-12-21 2004-04-13 Scram Technologies, Inc. Precision optical system for display panel
US6485145B1 (en) * 1999-12-21 2002-11-26 Scram Technologies, Inc. Optical system for display panel
US6922483B2 (en) * 1999-12-28 2005-07-26 Texas Instruments Incorporated Methods for measuring DMD low frequency spatial uniformity
US6704484B1 (en) * 2000-09-29 2004-03-09 Scram Technologies, Inc. Poly-planar optical display imaging system
US6857750B2 (en) * 2002-06-27 2005-02-22 Koninklijke Philips Electronics N.V. Offset projection for slim rear projection displays
US7777949B2 (en) * 2002-08-16 2010-08-17 Seiko Epson Corporation Laminate screen for a display device
US7175287B2 (en) * 2002-08-16 2007-02-13 Infocus Corporation Wide angle projection lens
US7090354B2 (en) * 2002-08-16 2006-08-15 Infocus Corporation Projection device and screen
US6896375B2 (en) * 2002-08-16 2005-05-24 Infocus Corporation Rear projection display device having multiple mirrors that are substantially parallel to a screen
US7088507B2 (en) * 2002-08-16 2006-08-08 Infocus Corporation Rear projection display
US7009765B2 (en) * 2002-08-16 2006-03-07 Infocus Corporation Wide angle lens system having a distorted intermediate image
US7088509B2 (en) * 2002-08-16 2006-08-08 Infocus Corporation Laminate screen for display device
US7150537B2 (en) * 2002-08-16 2006-12-19 Infocus Corporation Projection television device and screen
US7102820B2 (en) * 2002-08-16 2006-09-05 Infocus Corporation Flat valley fresnel lens for a display device
US7341353B2 (en) * 2002-08-16 2008-03-11 Infocus Corporation Variable fresnel screen for use in projection device
KR100765274B1 (ko) 2003-02-27 2007-10-09 엘지전자 주식회사 투사형 디스플레이 광학계
CA2525254A1 (en) * 2003-05-13 2004-12-25 Scram Technologies, Inc Precision optical system for display panel
US6899433B2 (en) * 2003-06-19 2005-05-31 Brookhaven Science Associates Split image optical display
US7080910B2 (en) * 2003-08-19 2006-07-25 Infocus Corporation Method and system for a thermal architecture and user adjustable keystone in a display device
EP1676077A2 (en) * 2003-09-23 2006-07-05 Greenco L.L.C. DBA LFI International Programmable laser illuminated sign apparatus
US7259912B2 (en) 2004-01-06 2007-08-21 Infocus Corporation Fresnel lens having reduced distortions
US6964484B2 (en) * 2004-02-02 2005-11-15 Hewlett-Packard Development Company, L.P. Overfill reduction for an optical modulator
US7050228B2 (en) * 2004-02-25 2006-05-23 Infocus Corporation Environmentally-adaptive frame assembly
FR2878968B1 (fr) * 2004-12-03 2008-02-22 Thomson Licensing Sa Systeme de projection
EP1735660B1 (en) * 2004-04-15 2012-06-13 Infocus Corporation Wide angle projection lens
US7334901B2 (en) * 2005-04-22 2008-02-26 Ostendo Technologies, Inc. Low profile, large screen display using a rear projection array system
KR20090026802A (ko) * 2006-06-21 2009-03-13 로날드 스미쓰 광학 디스플레이 시스템 및 방법
US20080151199A1 (en) * 2006-12-21 2008-06-26 Bao-Gang Wu Projection display system of quasi-axial optical imagery
DE102007033967A1 (de) * 2007-07-19 2009-01-29 Carl Zeiss Smt Ag Projektionsobjektiv
TWI361935B (en) * 2007-09-17 2012-04-11 Young Optics Inc Display and backlight module thereof
RU2510067C2 (ru) * 2012-06-07 2014-03-20 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Проекционная оптическая система
US9772446B2 (en) 2014-03-14 2017-09-26 Bae Systems Plc Displays
JP2017531212A (ja) * 2014-07-22 2017-10-19 ナブディ，インコーポレーテッド 小型ヘッドアップディスプレイシステム
CN110647001A (zh) * 2018-06-26 2020-01-03 宁波舜宇车载光学技术有限公司 成像设备、投射装置以及减少成像画面畸变误差的方法
CN109567388B (zh) * 2019-01-22 2024-09-27 像航（上海）科技有限公司 无介质空中成像智能桌
KR20250002846A (ko) * 2019-05-15 2025-01-07 안후이 이스피드 테크놀로지 컴퍼니 리미티드 광도파로 유닛, 어레이 및 평판렌즈
CN118067733B (zh) * 2024-02-05 2024-07-16 中国工程物理研究院激光聚变研究中心 杂散光辐照下产尘污染诱导光学元件性能退化模拟系统

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274406A (en) * 1987-12-29 1993-12-28 Asahi Kogaku Kogyo Kabushiki Kaisha Image projecting device
JP3163648B2 (ja) * 1990-08-27 2001-05-08 セイコーエプソン株式会社 投射型表示装置
US5422691A (en) * 1991-03-15 1995-06-06 Seiko Epson Corporation Projection type displaying apparatus and illumination system
JP2989947B2 (ja) * 1991-10-29 1999-12-13 日東光学株式会社 投写型表示装置用光学系
US5455882A (en) * 1993-09-29 1995-10-03 Associated Universities, Inc. Interactive optical panel
US5381502A (en) * 1993-09-29 1995-01-10 Associated Universities, Inc. Flat or curved thin optical display panel
US5535025A (en) * 1994-02-01 1996-07-09 Hughes Training, Inc. Helmet mounted off axis liquid crystal display with a fiber optic wedge and a curved reflector
DE19520187C1 (de) * 1995-06-01 1996-09-12 Microlas Lasersystem Gmbh Optik zum Herstellen einer scharfen Beleuchtungslinie aus einem Laserstrahl
US5909325A (en) * 1995-06-26 1999-06-01 Olympus Optical Co., Ltd. Image display apparatus
JP3541576B2 (ja) * 1995-10-25 2004-07-14 ミノルタ株式会社 結像光学系
US6012816A (en) * 1996-10-08 2000-01-11 Beiser; Leo Optical projection apparatus and method
WO1998015164A2 (en) * 1996-10-08 1998-04-16 Leo Beiser Optical projection apparatus and method
JPH10282451A (ja) * 1997-04-04 1998-10-23 Minolta Co Ltd 斜め投影光学系
US5900993A (en) * 1997-05-09 1999-05-04 Cross Check Corporation Lens systems for use in fingerprint detection
US6002826A (en) * 1998-08-28 1999-12-14 Brookhaven Science Associates Thin display optical projector
US6301417B1 (en) * 1998-08-31 2001-10-09 Brookhaven Science Associates Ultrathin optical panel and a method of making an ultrathin optical panel
US6406150B1 (en) * 1999-07-09 2002-06-18 Sarnoff Corporation Compact rear projections system
US6485145B1 (en) * 1999-12-21 2002-11-26 Scram Technologies, Inc. Optical system for display panel
US6457834B1 (en) * 2001-01-24 2002-10-01 Scram Technologies, Inc. Optical system for display panel

Also Published As

Publication number Publication date
JP2003518278A (ja) 2003-06-03
EP1240548A1 (en) 2002-09-18
CN1541346A (zh) 2004-10-27
US6485145B1 (en) 2002-11-26
US6715886B2 (en) 2004-04-06
WO2001046755A1 (en) 2001-06-28
AU2280901A (en) 2001-07-03
EP1240548A4 (en) 2008-03-19
US20030025885A1 (en) 2003-02-06

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Legal Events

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EEER Examination request
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