JP5984482B2 - 投射型プロジェクタ - Google Patents

投射型プロジェクタ Download PDF

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Publication number
JP5984482B2
JP5984482B2 JP2012101145A JP2012101145A JP5984482B2 JP 5984482 B2 JP5984482 B2 JP 5984482B2 JP 2012101145 A JP2012101145 A JP 2012101145A JP 2012101145 A JP2012101145 A JP 2012101145A JP 5984482 B2 JP5984482 B2 JP 5984482B2
Authority
JP
Japan
Prior art keywords
light source
coefficient
signal
sum
blue light
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 - Fee Related
Application number
JP2012101145A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013229791A (ja
JP2013229791A5 (enExample
Inventor
勝巳 浅川
勝巳 浅川
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
Priority to JP2012101145A priority Critical patent/JP5984482B2/ja
Priority to US13/686,705 priority patent/US9039199B2/en
Priority to EP12195076.0A priority patent/EP2658264B1/en
Priority to TW101146333A priority patent/TWI476502B/zh
Priority to CN201310052205.XA priority patent/CN103379345B/zh
Publication of JP2013229791A publication Critical patent/JP2013229791A/ja
Publication of JP2013229791A5 publication Critical patent/JP2013229791A5/ja
Application granted granted Critical
Publication of JP5984482B2 publication Critical patent/JP5984482B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04N9/315—Modulator illumination systems
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • 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
    • G03B21/20—Lamp housings
    • G03B21/2053—Intensity control of illuminating light
    • 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
    • G03B21/20—Lamp housings
    • G03B21/2086—Security or safety means in lamp houses
    • 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
    • H04N9/3158—Modulator illumination systems for controlling the spectrum
    • 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
    • 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
    • G09G3/3413—Details of control of colour illumination 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]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/643—Hue control means, e.g. flesh tone control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits
    • H04N9/7933—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits the level control being frequency-dependent

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
JP2012101145A 2012-04-26 2012-04-26 投射型プロジェクタ Expired - Fee Related JP5984482B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2012101145A JP5984482B2 (ja) 2012-04-26 2012-04-26 投射型プロジェクタ
US13/686,705 US9039199B2 (en) 2012-04-26 2012-11-27 Projector having blue light alleviating part
EP12195076.0A EP2658264B1 (en) 2012-04-26 2012-11-30 Projector
TW101146333A TWI476502B (zh) 2012-04-26 2012-12-10 投射型投影機
CN201310052205.XA CN103379345B (zh) 2012-04-26 2013-02-18 投射型投影仪

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012101145A JP5984482B2 (ja) 2012-04-26 2012-04-26 投射型プロジェクタ

Publications (3)

Publication Number Publication Date
JP2013229791A JP2013229791A (ja) 2013-11-07
JP2013229791A5 JP2013229791A5 (enExample) 2015-04-02
JP5984482B2 true JP5984482B2 (ja) 2016-09-06

Family

ID=47325904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012101145A Expired - Fee Related JP5984482B2 (ja) 2012-04-26 2012-04-26 投射型プロジェクタ

Country Status (5)

Country Link
US (1) US9039199B2 (enExample)
EP (1) EP2658264B1 (enExample)
JP (1) JP5984482B2 (enExample)
CN (1) CN103379345B (enExample)
TW (1) TWI476502B (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10347163B1 (en) 2008-11-13 2019-07-09 F.lux Software LLC Adaptive color in illuminative devices
JP6613640B2 (ja) * 2014-06-16 2019-12-04 大日本印刷株式会社 画像処理装置、表示装置並びに画像処理方法及び画像処理用プログラム
JP2016126110A (ja) * 2014-12-26 2016-07-11 船井電機株式会社 表示装置
JP6502195B2 (ja) * 2015-06-30 2019-04-17 日置電機株式会社 測定装置および測定方法
US10255880B1 (en) 2015-09-14 2019-04-09 F.lux Software LLC Coordinated adjustment of display brightness
TWI654475B (zh) 2017-09-19 2019-03-21 明基電通股份有限公司 投影機
CN109884850B (zh) * 2017-12-06 2021-08-24 深圳光峰科技股份有限公司 投影设备
CN109884845B (zh) * 2017-12-06 2021-10-26 深圳光峰科技股份有限公司 投影设备
CN109884848B (zh) * 2017-12-06 2023-09-01 深圳光峰科技股份有限公司 投影设备
CN109884846B (zh) * 2017-12-06 2021-10-26 深圳光峰科技股份有限公司 投影设备
US10469813B2 (en) 2017-12-21 2019-11-05 Stmicroelectronics S.R.L. Light source response compensation for light projection system using a graphics processing unit
US11528795B2 (en) 2018-05-11 2022-12-13 F.lux Software LLC Coordinated lighting adjustment for groups
US11295680B2 (en) * 2019-04-11 2022-04-05 PixelDisplay, Inc. Method and apparatus of a multi-modal illumination and display for improved color rendering, power efficiency, health and eye-safety
CN112118433B (zh) * 2019-06-20 2022-01-04 青岛海信激光显示股份有限公司 图像显示方法及激光投影设备
WO2021009104A1 (en) * 2019-07-15 2021-01-21 Interdigital Ce Patent Holdings, Sas Device and method for controlling output levels of content
CN113409739A (zh) * 2021-06-24 2021-09-17 屏丽科技(深圳)有限公司 一种led灯组可调的lcd投影系统

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2752309B2 (ja) * 1993-01-19 1998-05-18 松下電器産業株式会社 表示装置
KR0147214B1 (ko) 1994-09-23 1998-09-15 이헌조 프로젝터의 광량제어장치
US6075525A (en) * 1998-05-05 2000-06-13 Hsieh; Kuan-Hong Method for preventing the injury of eyesight during operating a device with a display
US6078309A (en) * 1998-05-22 2000-06-20 Way Tech Development, Inc. System and method for visually measuring color characteristics of a display
JP3692321B2 (ja) * 2000-10-31 2005-09-07 ヒューレット・パッカード・カンパニー 照明付きディスプレイ及びその使用方法
US7595811B2 (en) 2001-07-26 2009-09-29 Seiko Epson Corporation Environment-complaint image display system, projector, and program
CN100424547C (zh) 2002-12-26 2008-10-08 三洋电机株式会社 投影式视频显示器
DE10361661A1 (de) * 2003-07-14 2005-03-17 Osram Opto Semiconductors Gmbh Licht emittierendes Bauelement mit einem Lumineszenz-Konversionselement
US20060152525A1 (en) * 2005-01-13 2006-07-13 Woog Kenneth M Viewing screen color limiting device and method
JP4432818B2 (ja) 2005-04-01 2010-03-17 セイコーエプソン株式会社 画像表示装置、画像表示方法、および画像表示プログラム
JP2006330447A (ja) 2005-05-27 2006-12-07 Mitsubishi Electric Corp フロントプロジェクタ装置
US7967452B2 (en) * 2005-08-26 2011-06-28 Panasonic Corporation Projection type display apparatus
KR100985860B1 (ko) * 2005-11-08 2010-10-08 삼성전자주식회사 발광장치 및 그 제어방법
ES2289957B1 (es) * 2007-02-07 2008-12-01 Universidad Complutense De Madrid Fuente de iluminacion con emision reducida de longitudes de onda corta para la proteccion de ojos.
JP2008311532A (ja) 2007-06-15 2008-12-25 Rohm Co Ltd 白色発光装置及び白色発光装置の形成方法
JP5382849B2 (ja) * 2008-12-19 2014-01-08 パナソニック株式会社 光源装置
JP5527058B2 (ja) * 2010-07-06 2014-06-18 セイコーエプソン株式会社 光源装置及びプロジェクター
JP5445379B2 (ja) * 2010-07-30 2014-03-19 セイコーエプソン株式会社 プロジェクター
CN102375314B (zh) * 2010-08-09 2013-12-04 台达电子工业股份有限公司 光源系统及其适用的投影机
TWM410899U (en) * 2011-01-27 2011-09-01 Optoma Corp Projection system and power failure protection apparatus
TWM409438U (en) 2011-03-09 2011-08-11 Bin Shyh Entpr Co Ltd Lens structure for blocking blue light
JP5999959B2 (ja) * 2012-04-05 2016-09-28 三菱電機株式会社 投射型プロジェクタ

Also Published As

Publication number Publication date
JP2013229791A (ja) 2013-11-07
CN103379345B (zh) 2015-11-18
TW201344331A (zh) 2013-11-01
EP2658264B1 (en) 2016-11-23
TWI476502B (zh) 2015-03-11
US9039199B2 (en) 2015-05-26
EP2658264A1 (en) 2013-10-30
CN103379345A (zh) 2013-10-30
US20130286052A1 (en) 2013-10-31

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