DE60234066D1 - Lichtquellevorrichtung und Projektionsfernseher - Google Patents

Lichtquellevorrichtung und Projektionsfernseher

Info

Publication number
DE60234066D1
DE60234066D1 DE60234066T DE60234066T DE60234066D1 DE 60234066 D1 DE60234066 D1 DE 60234066D1 DE 60234066 T DE60234066 T DE 60234066T DE 60234066 T DE60234066 T DE 60234066T DE 60234066 D1 DE60234066 D1 DE 60234066D1
Authority
DE
Germany
Prior art keywords
projection
light source
source device
light
source
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.)
Expired - Lifetime
Application number
DE60234066T
Other languages
English (en)
Inventor
Taketoshi Hibi
Akihisa Miyata
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE60234066D1 publication Critical patent/DE60234066D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • 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
    • 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]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • 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]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
    • 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]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • 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
    • H04N2005/745—Control circuits therefor
    • 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
    • H04N5/7458—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 deformable mirrors, e.g. digital micromirror device [DMD]
    • H04N2005/7466—Control circuits therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Polarising Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Microscoopes, Condenser (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DE60234066T 2001-03-28 2002-02-07 Lichtquellevorrichtung und Projektionsfernseher Expired - Lifetime DE60234066D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001092114A JP4747431B2 (ja) 2001-03-28 2001-03-28 光源装置およびプロジェクションテレビジョン

Publications (1)

Publication Number Publication Date
DE60234066D1 true DE60234066D1 (de) 2009-12-03

Family

ID=18946631

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60234066T Expired - Lifetime DE60234066D1 (de) 2001-03-28 2002-02-07 Lichtquellevorrichtung und Projektionsfernseher

Country Status (6)

Country Link
US (1) US6885428B2 (de)
EP (1) EP1246461B1 (de)
JP (1) JP4747431B2 (de)
CN (1) CN1187651C (de)
DE (1) DE60234066D1 (de)
HK (1) HK1049707B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4085666B2 (ja) * 2002-03-25 2008-05-14 セイコーエプソン株式会社 画像表示装置
CN100378503C (zh) * 2002-11-08 2008-04-02 台达电子工业股份有限公司 多光源照明系统
JP4120414B2 (ja) * 2003-02-07 2008-07-16 三菱電機株式会社 投写型表示装置及び画像信号の変換方法
JP2005033334A (ja) * 2003-07-08 2005-02-03 Sony Corp 画像表示装置
WO2005015894A2 (en) 2003-08-08 2005-02-17 Eclipse Video Technology Llc Method and apparatus for increasing effective contrast ratio and brightness yields for digital light valve image projectors
JP2005121977A (ja) * 2003-10-17 2005-05-12 Mitsubishi Electric Corp 光照射装置、投射型表示装置および光照射方法
JP4867550B2 (ja) 2006-09-26 2012-02-01 ブラザー工業株式会社 映像生成装置
US8421812B2 (en) * 2007-05-25 2013-04-16 Nec Corporation Apparatus method and program for image processing and display device
JP2010217302A (ja) * 2009-03-13 2010-09-30 Hitachi Displays Ltd 表示装置
JP5365314B2 (ja) * 2009-04-03 2013-12-11 コニカミノルタ株式会社 画像投影装置及び画素ずれ量の検出方法
JP5691262B2 (ja) * 2010-06-25 2015-04-01 カシオ計算機株式会社 投影装置
JP5808118B2 (ja) * 2011-03-01 2015-11-10 三菱電機株式会社 投写型表示装置
US9049413B2 (en) * 2013-07-30 2015-06-02 Dolby Laboratories Licensing Corporation Multiple stage modulation projector display systems having efficient light utilization
WO2016108157A1 (en) 2014-12-31 2016-07-07 Dolby Laboratories Licensing Corporation Methods and systems for high dynamic range image projectors
JP6569440B2 (ja) * 2015-09-30 2019-09-04 株式会社Ｊｖｃケンウッド 検出方法、検出装置および投射装置
CN108693687B (zh) * 2017-04-06 2021-03-05 深圳光峰科技股份有限公司 一种显示系统
JP7136811B2 (ja) 2017-05-11 2022-09-13 シューラット テクノロジーズ，インク． 付加製造のためのパターン化された光の開閉所ビーム・ルーティング
CN109388004B (zh) * 2017-08-04 2024-05-28 深圳光峰科技股份有限公司 投影系统
CN111830772B (zh) * 2019-04-18 2022-10-21 青岛海信激光显示股份有限公司 一种激光投影装置及其控制方法
CN113138522B (zh) * 2020-01-17 2023-08-04 深圳光峰科技股份有限公司 光源调制系统、方法及光源系统
CN111367135A (zh) * 2020-04-15 2020-07-03 陕西极视光电科技有限公司 一种dlp投影仪光源循环回收系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9107144D0 (en) * 1991-04-05 1991-05-22 Rank Cintel Ltd Recording video signals on cinematographic film
US5467146A (en) * 1994-03-31 1995-11-14 Texas Instruments Incorporated Illumination control unit for display system with spatial light modulator
JPH08251520A (ja) * 1995-03-08 1996-09-27 Nikon Corp ビデオプロジェクター
JPH08304923A (ja) * 1995-05-10 1996-11-22 Nikon Corp プロジェクター装置
AU6136596A (en) * 1995-06-21 1997-01-22 Smartlight Limited Backprojection transparency viewer
US5833360A (en) * 1996-10-17 1998-11-10 Compaq Computer Corporation High efficiency lamp apparatus for producing a beam of polarized light
US5963276A (en) * 1997-01-09 1999-10-05 Smartlight Ltd. Back projection transparency viewer with overlapping pixels
JP3620196B2 (ja) * 1997-02-07 2005-02-16 セイコーエプソン株式会社 照明装置および投写型表示装置
JP3090139B1 (ja) * 1999-03-05 2000-09-18 ミノルタ株式会社 プロジェクタ用光学系
JP2001021835A (ja) * 1999-07-02 2001-01-26 Nippon Telegr & Teleph Corp <Ntt> 投影型表示装置
JP4560958B2 (ja) * 2000-12-21 2010-10-13 日本テキサス・インスツルメンツ株式会社 マイクロ・エレクトロ・メカニカル・システム
TW522280B (en) * 2001-04-13 2003-03-01 Fusion Lighting Inc Projection systems

Also Published As

Publication number Publication date
JP4747431B2 (ja) 2011-08-17
EP1246461B1 (de) 2009-10-21
EP1246461A3 (de) 2002-12-18
JP2002287250A (ja) 2002-10-03
HK1049707A1 (en) 2003-05-23
EP1246461A2 (de) 2002-10-02
US6885428B2 (en) 2005-04-26
US20020171807A1 (en) 2002-11-21
CN1378100A (zh) 2002-11-06
HK1049707B (zh) 2005-09-23
CN1187651C (zh) 2005-02-02

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Legal Events

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