ATE543337T1 - Flacher projektor - Google Patents

Flacher projektor

Info

Publication number
ATE543337T1
ATE543337T1 AT05786841T AT05786841T ATE543337T1 AT E543337 T1 ATE543337 T1 AT E543337T1 AT 05786841 T AT05786841 T AT 05786841T AT 05786841 T AT05786841 T AT 05786841T AT E543337 T1 ATE543337 T1 AT E543337T1
Authority
AT
Austria
Prior art keywords
sets
reflector
lens sets
projector
lens unit
Prior art date
Application number
AT05786841T
Other languages
English (en)
Inventor
Seung Gyu Lee
Han Kyoung Cho
Nam Sik Kim
Ki So Bok
Jun Ho Lee
Soon Hyung Kwon
Original Assignee
Lg Electronics 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 KR1020040109323A external-priority patent/KR100685966B1/ko
Priority claimed from KR1020040110193A external-priority patent/KR100672505B1/ko
Priority claimed from KR1020050045000A external-priority patent/KR100710303B1/ko
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Application granted granted Critical
Publication of ATE543337T1 publication Critical patent/ATE543337T1/de

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
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • 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
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
    • 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
    • H04N9/317—Convergence or focusing systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Lenses (AREA)
AT05786841T 2004-12-21 2005-09-06 Flacher projektor ATE543337T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020040109323A KR100685966B1 (ko) 2004-12-21 2004-12-21 프로젝터의 투사 장치
KR1020040110193A KR100672505B1 (ko) 2004-12-22 2004-12-22 프로젝터의 투사 장치
KR1020050045000A KR100710303B1 (ko) 2005-05-27 2005-05-27 박형 프로젝터
PCT/KR2005/002946 WO2006068363A1 (en) 2004-12-21 2005-09-06 Thin type projector

Publications (1)

Publication Number Publication Date
ATE543337T1 true ATE543337T1 (de) 2012-02-15

Family

ID=35966021

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05786841T ATE543337T1 (de) 2004-12-21 2005-09-06 Flacher projektor

Country Status (5)

Country Link
US (2) US7540618B2 (de)
EP (2) EP1839438B1 (de)
JP (1) JP2006178468A (de)
AT (1) ATE543337T1 (de)
WO (1) WO2006068363A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006068363A1 (en) * 2004-12-21 2006-06-29 Lg Electronics Inc. Thin type projector
KR100672506B1 (ko) * 2004-12-22 2007-01-24 엘지전자 주식회사 프로젝터의 투사 장치
JP4466515B2 (ja) * 2005-05-26 2010-05-26 ソニー株式会社 投射型表示装置
US20070091452A1 (en) * 2005-10-25 2007-04-26 Scott Lerner Projection system and method
JP4901595B2 (ja) * 2007-03-06 2012-03-21 三洋電機株式会社 投写型表示装置
US8096663B2 (en) * 2007-03-06 2012-01-17 Sanyo Electric Co., Ltd. Projection display device and stand used for the projection display device
TWI330295B (en) * 2007-04-23 2010-09-11 Coretronic Corp Projection apparatus
ITPS20070020A1 (it) * 2007-05-23 2008-11-24 Sgm Technology For Lighting Sp Struttura di proiettore scenico
KR101370911B1 (ko) * 2007-10-23 2014-03-10 엘지전자 주식회사 박형 프로젝터
KR20090058379A (ko) * 2007-12-04 2009-06-09 삼성전자주식회사 화상투사장치
US20110063583A1 (en) * 2008-03-04 2011-03-17 Hiroyuki Saitou Illumination optical system and projection display apparatus
JP5493502B2 (ja) * 2009-06-29 2014-05-14 セイコーエプソン株式会社 プロジェクター
JP5526722B2 (ja) * 2009-11-13 2014-06-18 株式会社Ｊｖｃケンウッド プロジェクタ
US20110285969A1 (en) * 2010-05-18 2011-11-24 Liu-Liang Liao Micro projection device for simplifying optical component and increasing light-guiding precision
CN102565896B (zh) * 2010-12-30 2015-06-24 比亚迪股份有限公司 一种棱镜***及具有该棱镜***的投影仪
CN109946835B (zh) * 2017-12-21 2022-04-26 中强光电股份有限公司 投影装置
CN111290200B (zh) * 2018-12-06 2021-12-07 中强光电股份有限公司 投影装置

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613207A (en) 1984-05-08 1986-09-23 Manchester R & D Partnership Liquid crystal projector and method
JP2714039B2 (ja) * 1988-09-26 1998-02-16 キヤノン株式会社 カメラ装置
DE69030537T2 (de) 1989-07-20 1997-12-04 Sanyo Electric Co Flüssigkristallprojektor
JPH0614255B2 (ja) * 1989-07-20 1994-02-23 三洋電機株式会社 液晶プロジェクタ
US5442484A (en) 1992-01-06 1995-08-15 Mitsubishi Denki Kabushiki Kaisha Retro-focus type lens and projection-type display apparatus
JPH06202064A (ja) 1993-03-01 1994-07-22 Casio Comput Co Ltd 液晶プロジェクタ
US5434632A (en) * 1993-03-22 1995-07-18 U.S. Philips Corporation Image projection apparatus with a autofocusing system
US5806950A (en) * 1994-06-03 1998-09-15 Kopin Corporation Compact high resolution light valve projector
JPH08201695A (ja) 1995-01-31 1996-08-09 Canon Inc リヤーフォーカス式のズームレンズ
GB9503859D0 (en) 1995-02-25 1995-04-19 Philips Electronics Uk Ltd Projection lenses for light valve projection systems
JPH09297262A (ja) * 1996-05-08 1997-11-18 Mitsubishi Electric Corp 投写レンズ
US6008951A (en) * 1996-12-31 1999-12-28 Texas Instruments Incorporated Offset projection zoom lens with fixed rear group for reflective spatial light modulators
JP3335549B2 (ja) * 1997-01-17 2002-10-21 松下電器産業株式会社 スクリーンへの映像投射方法と投射型ビデオプロジェクタ
JPH11211979A (ja) * 1998-01-27 1999-08-06 Matsushita Electric Ind Co Ltd 投写画像補正レンズ、投写レンズ装置および投写型表示装置
JPH11305117A (ja) * 1998-04-24 1999-11-05 Sony Corp 投射レンズ及び投射レンズの焦点調整方法
JP3266854B2 (ja) 1998-05-20 2002-03-18 旭光学工業株式会社 反射型画像投影装置
KR20000015666A (ko) 1998-08-31 2000-03-15 구자홍 브이씨알의 녹화 방지 회로 및 방법
KR200241244Y1 (ko) 1999-01-13 2001-10-27 윤종용 전면투사형 액정 투사장치
US6604831B1 (en) * 1999-12-17 2003-08-12 Hewlett-Packard Development Company, L.P. Elevatable display apparatus
US20020176054A1 (en) * 1999-12-30 2002-11-28 Mihalakis George M. Reflective liquid-crystal-on-silicon projection engine architecture
JP2001208966A (ja) * 2000-01-28 2001-08-03 Fuji Photo Optical Co Ltd 広角レンズ
KR100381262B1 (ko) * 2000-08-10 2003-04-26 엘지전자 주식회사 디지털 미세 미러소자를 이용한 전반사 프리즘계
US6485144B1 (en) * 2000-08-30 2002-11-26 Jung-Huang Liao Projector hanger frame
US6505940B1 (en) * 2000-10-31 2003-01-14 Eastman Kodak Company Digital projector
US6557999B1 (en) 2000-11-16 2003-05-06 Koninklijke Philips Electronics N.V. System and method for contrast enhancement in projection imaging system
KR100534574B1 (ko) 2001-04-24 2005-12-07 삼성에스디아이 주식회사 프로젝션 시스템 및 그 프로젝션방법
TW514350U (en) * 2001-06-22 2002-12-11 Coretronic Corp Projecting device with heat-dissipating fan
JP2003015033A (ja) * 2001-06-28 2003-01-15 Minolta Co Ltd 投射光学系
JP2003066329A (ja) * 2001-08-29 2003-03-05 Sony Corp 投射レンズ、及び映像表示装置
JP2003084366A (ja) 2001-09-10 2003-03-19 Tamron Co Ltd プロジェクタ
KR100433534B1 (ko) 2002-01-09 2004-05-31 삼성전자주식회사 프로젝션 텔레비전의 투사렌즈 유닛
JP2003233008A (ja) * 2002-02-08 2003-08-22 Olympus Optical Co Ltd 撮像装置
KR20040022976A (ko) 2002-09-10 2004-03-18 삼성에스디아이 주식회사 프로젝션 디스플레이 시스템
JPWO2004036308A1 (ja) * 2002-10-18 2006-02-23 セイコーエプソン株式会社 照明装置、排気ユニットおよびこれを備えたプロジェクタ
JP2004177654A (ja) 2002-11-27 2004-06-24 Fuji Photo Optical Co Ltd 投写型画像表示装置
JP2004184768A (ja) * 2002-12-04 2004-07-02 Kanebo Ltd プロジェクタ装置
US6755540B1 (en) * 2002-12-11 2004-06-29 Virgil Sam Runco Lens shifting apparatus
KR20040072424A (ko) 2003-02-12 2004-08-18 엘지전자 주식회사 박형 투사광학계
JP2004326079A (ja) 2003-04-10 2004-11-18 Seiko Epson Corp 投射レンズ及び投写型画像表示装置
JP2004347872A (ja) * 2003-05-22 2004-12-09 Fuji Photo Optical Co Ltd リアプロジェクション装置
US7281807B2 (en) * 2003-07-16 2007-10-16 Honeywood Technologies, Llc Positionable projection display devices
JP4388335B2 (ja) * 2003-09-19 2009-12-24 株式会社日立製作所 液晶プロジェクタ
US7390098B2 (en) * 2003-09-30 2008-06-24 Matsushita Electric Industrial Co., Ltd. Projection lens, and projection display apparatus and rear projection display apparatus using the projection lens
US7059732B2 (en) * 2003-11-26 2006-06-13 Hewlett-Packard Development Company, L.P. Portable projector system
US7367682B2 (en) * 2004-12-07 2008-05-06 Symbol Technologies, Inc. Color image projection arrangement and method
WO2006068363A1 (en) * 2004-12-21 2006-06-29 Lg Electronics Inc. Thin type projector

Also Published As

Publication number Publication date
EP1675393A3 (de) 2008-11-19
JP2006178468A (ja) 2006-07-06
EP1675393A2 (de) 2006-06-28
US7540618B2 (en) 2009-06-02
US20060132728A1 (en) 2006-06-22
WO2006068363A1 (en) 2006-06-29
EP1839438B1 (de) 2012-01-25
EP1839438A4 (de) 2009-11-25
EP1839438A1 (de) 2007-10-03
US20060132727A1 (en) 2006-06-22
US7611248B2 (en) 2009-11-03

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