DE60136991D1 - Flüssigkristallprojektor - Google Patents

Flüssigkristallprojektor

Info

Publication number
DE60136991D1
DE60136991D1 DE60136991T DE60136991T DE60136991D1 DE 60136991 D1 DE60136991 D1 DE 60136991D1 DE 60136991 T DE60136991 T DE 60136991T DE 60136991 T DE60136991 T DE 60136991T DE 60136991 D1 DE60136991 D1 DE 60136991D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal projector
projector
liquid
crystal
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
DE60136991T
Other languages
English (en)
Inventor
Kouji Terami
Toshiyuki Okino
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Application granted granted Critical
Publication of DE60136991D1 publication Critical patent/DE60136991D1/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
    • 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
    • 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
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
    • 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
    • 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
    • G03B21/16—Cooling; Preventing overheating
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
DE60136991T 2000-04-25 2001-04-23 Flüssigkristallprojektor Expired - Lifetime DE60136991D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000124601A JP3322664B2 (ja) 2000-04-25 2000-04-25 液晶プロジェクタ

Publications (1)

Publication Number Publication Date
DE60136991D1 true DE60136991D1 (de) 2009-01-29

Family

ID=18634707

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60136991T Expired - Lifetime DE60136991D1 (de) 2000-04-25 2001-04-23 Flüssigkristallprojektor

Country Status (5)

Country Link
US (1) US6476560B2 (de)
EP (1) EP1150502B1 (de)
JP (1) JP3322664B2 (de)
KR (1) KR100773185B1 (de)
DE (1) DE60136991D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3322664B2 (ja) * 2000-04-25 2002-09-09 三洋電機株式会社 液晶プロジェクタ
CN100367107C (zh) * 2003-04-11 2008-02-06 台达电子工业股份有限公司 投影显示器的散热装置及其操作方法
CN1833201B (zh) * 2003-06-02 2012-03-21 精工爱普生株式会社 具有反馈控制吹风机及灯泡的投影设备
US7546025B2 (en) * 2004-07-06 2009-06-09 Hewlett-Packard Development Company, L.P. Media projector system
US7233493B2 (en) 2004-08-10 2007-06-19 E. I. Du Pont De Nemours And Company Electronic device having a temperature control system including a ductwork assembly
US7286347B2 (en) * 2004-08-10 2007-10-23 Dupont Displays Electronic device having a temperature control system
JP4619310B2 (ja) * 2005-06-23 2011-01-26 三洋電機株式会社 投射型映像表示装置
US7559657B2 (en) * 2006-01-30 2009-07-14 Infocus Corporation Projection device
US11351766B2 (en) 2019-11-11 2022-06-07 Textile Rubber And Chemical Company, Inc. Process for applying film backing to synthetic turf and product

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01116535A (ja) 1987-10-29 1989-05-09 Canon Inc プロジェクタの冷却装置
JP3052318B2 (ja) * 1989-10-31 2000-06-12 セイコーエプソン株式会社 プロジェクタおよびその制御方法
JP2903655B2 (ja) 1990-06-21 1999-06-07 セイコーエプソン株式会社 投写型表示装置
JPH06130492A (ja) 1992-10-16 1994-05-13 Tohoku Ricoh Co Ltd オーバーヘッドプロジェクタ
JP3207022B2 (ja) * 1992-11-24 2001-09-10 株式会社日立製作所 投射型表示装置用光源、照明装置および液晶投射型表示装置
KR960015077B1 (ko) * 1993-03-30 1996-10-24 엘지전자 주식회사 액정투사기의 화면크기 제어방법
DE19511810A1 (de) * 1994-03-30 1995-10-26 Lg Electronics Inc Lampen-Betriebseinrichtung für einen LCD-Projektor vom Projektions-Typ
JP3424023B2 (ja) 1994-08-30 2003-07-07 カシオ計算機株式会社 Ｌｃｄプロジェクタ
US6011607A (en) * 1995-02-15 2000-01-04 Semiconductor Energy Laboratory Co., Active matrix display with sealing material
JPH08234848A (ja) 1995-02-28 1996-09-13 Sony Corp 冷却用ファンモータ制御装置及び該装置を備えた投影機器
JPH10197952A (ja) 1997-01-10 1998-07-31 Musashi Seimitsu Ind Co Ltd オーバーヘッドプロジェクタ
JPH11133505A (ja) 1997-10-30 1999-05-21 Nikon Corp プロジェクタ
JP3646533B2 (ja) 1998-09-17 2005-05-11 株式会社日立製作所 液晶プロジェクタ
JP3322664B2 (ja) * 2000-04-25 2002-09-09 三洋電機株式会社 液晶プロジェクタ

Also Published As

Publication number Publication date
EP1150502A1 (de) 2001-10-31
EP1150502B1 (de) 2008-12-17
US6476560B2 (en) 2002-11-05
KR100773185B1 (ko) 2007-11-02
KR20010098820A (ko) 2001-11-08
JP2001305659A (ja) 2001-11-02
JP3322664B2 (ja) 2002-09-09
US20010033279A1 (en) 2001-10-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition