KR20050103500A - 방향전환을 이용하는 편광성 복구 시스템 - Google Patents

방향전환을 이용하는 편광성 복구 시스템 Download PDF

Info

Publication number
KR20050103500A
KR20050103500A KR1020057015374A KR20057015374A KR20050103500A KR 20050103500 A KR20050103500 A KR 20050103500A KR 1020057015374 A KR1020057015374 A KR 1020057015374A KR 20057015374 A KR20057015374 A KR 20057015374A KR 20050103500 A KR20050103500 A KR 20050103500A
Authority
KR
South Korea
Prior art keywords
light
reflector
output
polarizing
group
Prior art date
Application number
KR1020057015374A
Other languages
English (en)
Korean (ko)
Inventor
케네스 케이. 리
세이지 이나츠구
Original Assignee
웨이비엔, 인코포레이티드
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 웨이비엔, 인코포레이티드 filed Critical 웨이비엔, 인코포레이티드
Publication of KR20050103500A publication Critical patent/KR20050103500A/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • 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
    • G02B27/0994—Fibers, light pipes
    • 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
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
    • 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
    • H04N9/315—Modulator illumination systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
KR1020057015374A 2003-02-21 2004-02-20 방향전환을 이용하는 편광성 복구 시스템 KR20050103500A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US44847103P 2003-02-21 2003-02-21
US60/448,471 2003-02-21
US46939303P 2003-05-12 2003-05-12
US60/469,393 2003-05-12

Publications (1)

Publication Number Publication Date
KR20050103500A true KR20050103500A (ko) 2005-10-31

Family

ID=32930484

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057015374A KR20050103500A (ko) 2003-02-21 2004-02-20 방향전환을 이용하는 편광성 복구 시스템

Country Status (6)

Country Link
EP (1) EP1597514A4 (de)
JP (1) JP2006518486A (de)
KR (1) KR20050103500A (de)
CA (1) CA2515141A1 (de)
TW (1) TWI238901B (de)
WO (1) WO2004077102A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4988209B2 (ja) * 2006-01-13 2012-08-01 三洋電機株式会社 ロッド固定構造及び投写型映像表示装置
EP3021072B1 (de) * 2014-11-14 2016-09-28 Sick Ag Beleuchtungsvorrichtung und Verfahren zur Projektion eines Beleuchtungsmusters

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63197913A (ja) * 1987-02-13 1988-08-16 Nec Corp 偏光変換素子
JPH0488301A (ja) * 1990-08-01 1992-03-23 Canon Inc 偏光変換モジュール
JP2850891B2 (ja) * 1996-12-10 1999-01-27 日本電気株式会社 光フィルタモジュールとこれを用いた光増幅装置
US5884991A (en) * 1997-02-18 1999-03-23 Torch Technologies Llc LCD projection system with polarization doubler
US6288840B1 (en) * 1999-06-22 2001-09-11 Moxtek Imbedded wire grid polarizer for the visible spectrum
US6587269B2 (en) * 2000-08-24 2003-07-01 Cogent Light Technologies Inc. Polarization recovery system for projection displays

Also Published As

Publication number Publication date
TW200422665A (en) 2004-11-01
WO2004077102A2 (en) 2004-09-10
CA2515141A1 (en) 2004-09-10
TWI238901B (en) 2005-09-01
EP1597514A4 (de) 2009-08-26
EP1597514A2 (de) 2005-11-23
JP2006518486A (ja) 2006-08-10
WO2004077102A3 (en) 2005-05-12

Similar Documents

Publication Publication Date Title
US6969177B2 (en) Polarization recovery system using redirection
US6898353B2 (en) Lensed tapered optical waveguide
US7452086B2 (en) Light pipe based projection engine
KR100877011B1 (ko) 편광 회수 시스템과, 프로젝션 시스템
KR100858571B1 (ko) 포물면 반사경을 사용하는 프로젝션 시스템을 위한소광원으로부터 광의 커플링
US6739726B2 (en) Illumination engine for a projection display using a tapered light pipe
JP4420087B2 (ja) 照明装置及びプロジェクタ
US6836576B2 (en) Polarization recovery system using light pipes
JPH09133905A (ja) 光偏向装置及びその装置を利用する液晶バルブ型の投射システム
JP2001021997A (ja) 照明光学系およびこれを用いた投写型表示装置
JP2011123318A (ja) 照明光学系及び投影装置
US20060268417A1 (en) A Refractive Scheme for Dual Lamp High Brightness Projection System
KR20050103500A (ko) 방향전환을 이용하는 편광성 복구 시스템
KR100634001B1 (ko) 발광 다이오드를 구비한 프리즘
CN1754063A (zh) 使用改变方向的偏振校正系统

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application