TW376646B - Projection display apparatus - Google Patents

Projection display apparatus

Info

Publication number
TW376646B
TW376646B TW088102881A TW88102881A TW376646B TW 376646 B TW376646 B TW 376646B TW 088102881 A TW088102881 A TW 088102881A TW 88102881 A TW88102881 A TW 88102881A TW 376646 B TW376646 B TW 376646B
Authority
TW
Taiwan
Prior art keywords
light source
display apparatus
projection display
turned
service life
Prior art date
Application number
TW088102881A
Other languages
English (en)
Inventor
Shuichi Fujiwara
Shoichi Akaiwa
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of TW376646B publication Critical patent/TW376646B/zh

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination 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]
    • H04N9/3141—Constructional details thereof
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2921—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2925—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
TW088102881A 1998-02-26 1999-02-25 Projection display apparatus TW376646B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10046044A JPH11242295A (ja) 1998-02-26 1998-02-26 投写型表示装置

Publications (1)

Publication Number Publication Date
TW376646B true TW376646B (en) 1999-12-11

Family

ID=12736041

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088102881A TW376646B (en) 1998-02-26 1999-02-25 Projection display apparatus

Country Status (7)

Country Link
US (1) US6448715B1 (zh)
EP (1) EP0978756B1 (zh)
JP (1) JPH11242295A (zh)
DE (1) DE69919278T2 (zh)
HK (1) HK1024957A1 (zh)
TW (1) TW376646B (zh)
WO (1) WO1999044097A1 (zh)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6803971B2 (en) * 2000-09-19 2004-10-12 Sanyo Electric Co., Ltd. Projection type video display device that prevents color nonuniformity
US6731079B2 (en) * 2001-05-23 2004-05-04 General Electric Company Industrial lighting control system and method
JP2003068478A (ja) * 2001-08-23 2003-03-07 Olympus Optical Co Ltd 光源装置
US20030067378A1 (en) * 2001-10-04 2003-04-10 Baarman David W. End-of-life indicator
JP2003317982A (ja) * 2002-04-19 2003-11-07 Hitachi Media Electoronics Co Ltd 放電ランプ点灯装置
JP2005121963A (ja) * 2003-10-17 2005-05-12 Toshiba Corp 投射装置と投射方法
US20050157190A1 (en) * 2004-01-16 2005-07-21 Litton Systems, Inc. Combining multiple spectral bands to generate an image
US7808556B2 (en) * 2004-11-08 2010-10-05 Thomson Licensing Image processing device
US20070047237A1 (en) * 2005-08-30 2007-03-01 Jimmy Perez Method of forming a lamp assembly
GB2430275A (en) * 2005-09-15 2007-03-21 Tyco Electronics Electronic control gear for monitoring and controlling lamps
JP2007171302A (ja) * 2005-12-19 2007-07-05 Sharp Corp 光源装置、光源ユニット及び投影型画像表示装置
US20080062115A1 (en) * 2006-09-13 2008-03-13 Houston Brown System and method for predicting a failure of a backlight for an LCD display
JP2008224870A (ja) * 2007-03-09 2008-09-25 Sony Corp プロジェクタおよびその制御方法
US8016433B2 (en) * 2007-03-09 2011-09-13 Sony Corporation Projector and control method thereof
JP5136824B2 (ja) * 2007-03-09 2013-02-06 ソニー株式会社 プロジェクタおよびその制御方法
JP4433320B2 (ja) * 2007-03-09 2010-03-17 ソニー株式会社 プロジェクタおよびその制御方法
JP5109527B2 (ja) * 2007-08-03 2012-12-26 ソニー株式会社 画像形成装置およびその制御方法、並びにプログラム
JP2009244633A (ja) * 2008-03-31 2009-10-22 Toshiba Corp 投射型表示装置及びその制御方法
JP4710987B2 (ja) * 2009-02-06 2011-06-29 セイコーエプソン株式会社 プロジェクター
JP4973672B2 (ja) 2009-02-16 2012-07-11 セイコーエプソン株式会社 放電灯の駆動装置および駆動方法、光源装置、プロジェクター
US8314562B2 (en) * 2009-07-27 2012-11-20 Sunonwealth Electric Machine Industry Co., Ltd. Lamp
US8310162B2 (en) * 2009-08-19 2012-11-13 Panasonic Corporation Lighting apparatus and lighting fixture
US8797157B2 (en) * 2011-06-30 2014-08-05 Tyco Fire & Security Gmbh System and method for monitoring usage and predicting failure of visual notification appliances
JP5782888B2 (ja) * 2011-07-20 2015-09-24 セイコーエプソン株式会社 プロジェクター
JP6187138B2 (ja) * 2013-10-21 2017-08-30 セイコーエプソン株式会社 プロジェクター、及びプロジェクターの制御方法
JP6440477B2 (ja) 2014-12-09 2018-12-19 キヤノン株式会社 光源制御装置および画像投射装置
JP7180650B2 (ja) * 2020-09-18 2022-11-30 カシオ計算機株式会社 プログラム、電子機器、表示システム及び表示方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01160696U (zh) * 1988-04-27 1989-11-08
JPH0380481U (zh) * 1989-08-19 1991-08-19
JP3521602B2 (ja) * 1996-03-06 2004-04-19 株式会社デンソー 放電灯点灯装置
JP4003234B2 (ja) * 1996-04-10 2007-11-07 セイコーエプソン株式会社 投写型表示装置
JP3933724B2 (ja) * 1996-05-30 2007-06-20 ハリソン東芝ライティング株式会社 高圧放電灯点灯装置および画像表示装置
JP3193298B2 (ja) * 1996-06-07 2001-07-30 株式会社小糸製作所 放電灯点灯回路

Also Published As

Publication number Publication date
EP0978756B1 (en) 2004-08-11
WO1999044097A1 (fr) 1999-09-02
DE69919278D1 (de) 2004-09-16
US6448715B1 (en) 2002-09-10
EP0978756A4 (en) 2000-10-11
JPH11242295A (ja) 1999-09-07
HK1024957A1 (en) 2000-10-27
DE69919278T2 (de) 2004-12-30
EP0978756A1 (en) 2000-02-09

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees