TWI274188B - Beam-splitter folded path for rear projection displays - Google Patents

Beam-splitter folded path for rear projection displays Download PDF

Info

Publication number
TWI274188B
TWI274188B TW092117148A TW92117148A TWI274188B TW I274188 B TWI274188 B TW I274188B TW 092117148 A TW092117148 A TW 092117148A TW 92117148 A TW92117148 A TW 92117148A TW I274188 B TWI274188 B TW I274188B
Authority
TW
Taiwan
Prior art keywords
rear projection
degrees
display system
projection display
angle
Prior art date
Application number
TW092117148A
Other languages
English (en)
Chinese (zh)
Other versions
TW200403451A (en
Inventor
Jeffrey A Shimizu
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of TW200403451A publication Critical patent/TW200403451A/zh
Application granted granted Critical
Publication of TWI274188B publication Critical patent/TWI274188B/zh

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
TW092117148A 2002-06-27 2003-06-24 Beam-splitter folded path for rear projection displays TWI274188B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/183,800 US6634756B1 (en) 2002-06-27 2002-06-27 Beam-splitter folded path for rear projection displays

Publications (2)

Publication Number Publication Date
TW200403451A TW200403451A (en) 2004-03-01
TWI274188B true TWI274188B (en) 2007-02-21

Family

ID=28791593

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092117148A TWI274188B (en) 2002-06-27 2003-06-24 Beam-splitter folded path for rear projection displays

Country Status (8)

Country Link
US (1) US6634756B1 (https=)
EP (1) EP1520405A1 (https=)
JP (1) JP4749712B2 (https=)
KR (1) KR20050014874A (https=)
CN (1) CN1666509A (https=)
AU (1) AU2003239724A1 (https=)
TW (1) TWI274188B (https=)
WO (1) WO2004004326A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6844981B2 (en) * 2002-09-25 2005-01-18 Koninklijke Philips Electronics N.V. Non-symmetrical light stop
US7460185B2 (en) * 2004-08-17 2008-12-02 Sony Corporation Method and apparatus for automatically correcting image misalignment arising in a rear-projection LCD television display
US7641350B2 (en) * 2005-11-28 2010-01-05 Jds Uniphase Corporation Front surface mirror for providing white color uniformity for polarized systems with a large range of incidence angles
US20070171387A1 (en) * 2006-01-23 2007-07-26 Texas Instruments Incorporated Micromirror-based projection system with optics having short focal lenghts
WO2008089417A2 (en) * 2007-01-18 2008-07-24 The Arizona Board Of Regents On Behalf Of The University Of Arizona A polarized head-mounted projection display
KR102479811B1 (ko) 2016-06-13 2022-12-23 삼성전자주식회사 공기 조화기 및 공기 조화기의 제어방법

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03243932A (ja) * 1990-02-22 1991-10-30 Canon Inc 背面投写型受像機
JPH03256036A (ja) 1990-03-06 1991-11-14 Toshiba Corp 投写型液晶表示装置
JPH04307530A (ja) * 1991-04-05 1992-10-29 Toshiba Corp 投写形表示装置
US5289287A (en) * 1992-10-29 1994-02-22 North American Philips Corporation Dockable LCD TV projector convertable between front and rear projection
JP3278521B2 (ja) * 1994-01-28 2002-04-30 松下電器産業株式会社 背面投写型画像表示装置
KR960020463A (ko) * 1994-11-25 1996-06-17 김광호 배면투사형 프로젝터
WO1998007279A1 (en) * 1996-08-12 1998-02-19 National Research Council Of Canada High efficiency projection displays having thin film polarizing beam-splitters
KR100210247B1 (ko) * 1996-01-24 1999-07-15 윤종용 광화각 액정 프로젝션 렌즈 시스템
US5829855A (en) 1996-02-21 1998-11-03 Nikon Corporation Projection-type display apparatus
JPH09230498A (ja) * 1996-02-21 1997-09-05 Nikon Corp 投写型表示装置
JP3738505B2 (ja) * 1996-05-10 2006-01-25 株式会社ニコン 投射型表示装置
US6390626B2 (en) * 1996-10-17 2002-05-21 Duke University Image projection system engine assembly
US5791754A (en) * 1997-01-14 1998-08-11 International Business Machines Corporation Compact desktop projection display using three mirrors
US6486997B1 (en) * 1997-10-28 2002-11-26 3M Innovative Properties Company Reflective LCD projection system using wide-angle Cartesian polarizing beam splitter
US7023602B2 (en) * 1999-05-17 2006-04-04 3M Innovative Properties Company Reflective LCD projection system using wide-angle Cartesian polarizing beam splitter and color separation and recombination prisms
US6052214A (en) * 1998-01-23 2000-04-18 Chuang; Chih-Li System and method for producing an enhanced image
US5863125A (en) * 1998-01-30 1999-01-26 International Business Machines Corporation High efficiency two-SLM projector employing total-internal-reflection prism
JPH11258422A (ja) * 1998-03-09 1999-09-24 Nikon Corp 偏光ビームスプリッタ及びそれを用いた投射型表示装置
US5946139A (en) * 1998-04-06 1999-08-31 Unic View Ltd. Compact monitor
KR100292356B1 (ko) * 1998-11-17 2001-06-01 윤종용 배면투사형액정프로젝트장치
JP2000250137A (ja) * 1999-02-26 2000-09-14 Sony Corp 照明光学装置及びプロジェクタ装置
JP3714003B2 (ja) * 1999-03-02 2005-11-09 セイコーエプソン株式会社 投写型表示装置及びこれに用いられるプリズム
CN1322370C (zh) * 1999-06-29 2007-06-20 3M创新有限公司 用于投影显示的光学系统
US6234634B1 (en) * 1999-07-28 2001-05-22 Moxtek Image projection system with a polarizing beam splitter
JP3654798B2 (ja) * 1999-08-25 2005-06-02 シャープ株式会社 画像表示装置および照明装置
JP2001330891A (ja) * 2000-05-23 2001-11-30 Canon Inc 背面投影型プロジェクタ装置
JP2001350132A (ja) * 2000-06-08 2001-12-21 Sanyo Electric Co Ltd 液晶プロジェクタ

Also Published As

Publication number Publication date
AU2003239724A1 (en) 2004-01-19
EP1520405A1 (en) 2005-04-06
KR20050014874A (ko) 2005-02-07
CN1666509A (zh) 2005-09-07
TW200403451A (en) 2004-03-01
JP4749712B2 (ja) 2011-08-17
WO2004004326A1 (en) 2004-01-08
JP2005531039A (ja) 2005-10-13
US6634756B1 (en) 2003-10-21

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MM4A Annulment or lapse of patent due to non-payment of fees