JP2013167776A - 投射型映像表示装置 - Google Patents

投射型映像表示装置 Download PDF

Info

Publication number
JP2013167776A
JP2013167776A JP2012031267A JP2012031267A JP2013167776A JP 2013167776 A JP2013167776 A JP 2013167776A JP 2012031267 A JP2012031267 A JP 2012031267A JP 2012031267 A JP2012031267 A JP 2012031267A JP 2013167776 A JP2013167776 A JP 2013167776A
Authority
JP
Japan
Prior art keywords
light source
leds
led
display device
control unit
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.)
Pending
Application number
JP2012031267A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013167776A5 (enExample
Inventor
Takashi Matoba
隆志 的場
Yoshinori Asamura
吉範 浅村
Isao Yoneoka
勲 米岡
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 JP2012031267A priority Critical patent/JP2013167776A/ja
Priority to US13/717,330 priority patent/US9207526B2/en
Priority to CN201310024286.2A priority patent/CN103259994B/zh
Publication of JP2013167776A publication Critical patent/JP2013167776A/ja
Publication of JP2013167776A5 publication Critical patent/JP2013167776A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • 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
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • 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
    • G03B21/206—Control of light source other than position or intensity
    • 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]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3158—Modulator illumination systems for controlling the spectrum

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
JP2012031267A 2012-02-16 2012-02-16 投射型映像表示装置 Pending JP2013167776A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2012031267A JP2013167776A (ja) 2012-02-16 2012-02-16 投射型映像表示装置
US13/717,330 US9207526B2 (en) 2012-02-16 2012-12-17 Project type video display having a plurality of light sources and a controller rotating an active group of the plurality of light sources
CN201310024286.2A CN103259994B (zh) 2012-02-16 2013-01-23 投影型视频显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012031267A JP2013167776A (ja) 2012-02-16 2012-02-16 投射型映像表示装置

Publications (2)

Publication Number Publication Date
JP2013167776A true JP2013167776A (ja) 2013-08-29
JP2013167776A5 JP2013167776A5 (enExample) 2015-02-19

Family

ID=48963662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012031267A Pending JP2013167776A (ja) 2012-02-16 2012-02-16 投射型映像表示装置

Country Status (3)

Country Link
US (1) US9207526B2 (enExample)
JP (1) JP2013167776A (enExample)
CN (1) CN103259994B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017227783A (ja) * 2016-06-23 2017-12-28 カシオ計算機株式会社 光源装置、投影装置、光源制御方法及びプログラム

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016142154A1 (en) * 2015-03-09 2016-09-15 Philips Lighting Holding B.V. Led driver
CN107068021B (zh) * 2016-02-05 2020-08-28 大陆汽车车身电子系统（芜湖）有限公司 基于帧同步的平视显示器的adc采样方法
DE102017220810A1 (de) * 2017-11-22 2019-05-23 Robert Bosch Gmbh Laserprojektionsvorrichtung
CN111856862B (zh) * 2019-04-30 2023-05-02 深圳光峰科技股份有限公司 光源系统及显示设备
CN113596414B (zh) * 2020-04-30 2025-08-15 深圳光峰科技股份有限公司 一种投影装置
CN118613763A (zh) * 2021-11-29 2024-09-06 亮锐有限责任公司 具有局部调光的投影仪

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007163973A (ja) * 2005-12-15 2007-06-28 Seiko Epson Corp 光源装置、および光源装置を備えたプロジェクタ
JP2007272114A (ja) * 2006-03-31 2007-10-18 Fujinon Corp プロジェクタ
JP2009152540A (ja) * 2007-11-30 2009-07-09 Seiko Epson Corp 光源装置、照明装置、モニタ装置及び画像表示装置
WO2009118975A1 (ja) * 2008-03-27 2009-10-01 三菱電機株式会社 Ｌｅｄバックライト駆動装置
JP2009271406A (ja) * 2008-05-09 2009-11-19 Seiko Epson Corp 光源装置、モニタ装置、プロジェクタ、および光源装置の駆動方法
JP2013057786A (ja) * 2011-09-08 2013-03-28 Ushio Inc レーザ光源装置および画像投影装置

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7019736B2 (en) * 2002-03-20 2006-03-28 Hewlett-Packard Development Company, L.P. Method and apparatus for image display
EP2337010A3 (en) * 2002-03-13 2011-11-02 Dolby Laboratories Licensing Corporation High dynamic range display devices
US8687271B2 (en) * 2002-03-13 2014-04-01 Dolby Laboratories Licensing Corporation N-modulation displays and related methods
US7154458B2 (en) * 2002-08-21 2006-12-26 Nec Viewtechnology, Ltd. Video display device with spatial light modulator
JP2004184852A (ja) * 2002-12-05 2004-07-02 Olympus Corp 表示装置、光源装置、及び照明装置
US7156522B2 (en) * 2003-07-16 2007-01-02 Plut William J Projection-type display devices with reduced weight and size
US7969640B2 (en) * 2003-11-01 2011-06-28 Silicon Quest Kabushiki-Kaisha Color display system
WO2005073952A1 (ja) * 2004-01-28 2005-08-11 Matsushita Electric Industrial Co., Ltd. 発光方法、発光装置、投写型表示装置
JP4241487B2 (ja) * 2004-04-20 2009-03-18 ソニー株式会社 Ｌｅｄ駆動装置、バックライト光源装置及びカラー液晶表示装置
JP2005331706A (ja) 2004-05-20 2005-12-02 Matsushita Electric Ind Co Ltd 手振れ補正用レンズの駆動装置
KR100643774B1 (ko) 2005-03-09 2006-11-10 삼성전자주식회사 발광다이오드 광원의 온도 및 발광레벨을 감안하여 화이트밸런스를 조정하는 영상투사장치 및 그의 화이트밸런스 조정방법
US7364306B2 (en) * 2005-06-20 2008-04-29 Digital Display Innovations, Llc Field sequential light source modulation for a digital display system
US7438423B2 (en) 2005-08-29 2008-10-21 3M Innovative Properties Company Illumination system and projection system incorporating same
JP4923500B2 (ja) * 2005-09-29 2012-04-25 カシオ計算機株式会社 プロジェクタ装置、及びその光源制御方法
EP2048648B1 (en) * 2007-10-11 2013-02-13 LG Display Co., Ltd. Liquid crystal display device including backlight unit and method of driving the same
JP5398169B2 (ja) 2008-05-09 2014-01-29 キヤノン株式会社 画像形成装置
JP4900428B2 (ja) * 2008-09-26 2012-03-21 カシオ計算機株式会社 投影装置及び投影方法
JP2010129612A (ja) * 2008-11-25 2010-06-10 Panasonic Electric Works Co Ltd 点灯装置
WO2010148196A2 (en) * 2009-06-18 2010-12-23 Musco Corporation Apparatus and method for bypassing failed leds in lighting arrays
JP5494140B2 (ja) 2010-03-31 2014-05-14 カシオ計算機株式会社 投影装置、ｌｅｄアレイ故障検知装置、投影制御方法及びｌｅｄアレイ故障検知方法
JP5056921B2 (ja) * 2010-08-24 2012-10-24 カシオ計算機株式会社 半導体光源装置、半導体光源制御方法及び投影装置
US8907568B2 (en) * 2011-10-24 2014-12-09 Microsemi Corporation Method and apparatus for LED string short circuit detection and protection
JP5862951B2 (ja) * 2012-03-21 2016-02-16 カシオ計算機株式会社 光源装置及びプロジェクタ
TWI477788B (zh) * 2012-04-10 2015-03-21 Realtek Semiconductor Corp 偵測發光二極體短路的方法及其裝置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007163973A (ja) * 2005-12-15 2007-06-28 Seiko Epson Corp 光源装置、および光源装置を備えたプロジェクタ
JP2007272114A (ja) * 2006-03-31 2007-10-18 Fujinon Corp プロジェクタ
JP2009152540A (ja) * 2007-11-30 2009-07-09 Seiko Epson Corp 光源装置、照明装置、モニタ装置及び画像表示装置
WO2009118975A1 (ja) * 2008-03-27 2009-10-01 三菱電機株式会社 Ｌｅｄバックライト駆動装置
JP2009271406A (ja) * 2008-05-09 2009-11-19 Seiko Epson Corp 光源装置、モニタ装置、プロジェクタ、および光源装置の駆動方法
JP2013057786A (ja) * 2011-09-08 2013-03-28 Ushio Inc レーザ光源装置および画像投影装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017227783A (ja) * 2016-06-23 2017-12-28 カシオ計算機株式会社 光源装置、投影装置、光源制御方法及びプログラム

Also Published As

Publication number Publication date
US9207526B2 (en) 2015-12-08
CN103259994A (zh) 2013-08-21
US20130215334A1 (en) 2013-08-22
CN103259994B (zh) 2016-05-18

Similar Documents

Publication Publication Date Title
JP5056921B2 (ja) 半導体光源装置、半導体光源制御方法及び投影装置
CN103259994B (zh) 投影型视频显示装置
TWI446090B (zh) 投影裝置及驅動投影裝置的投影方法
US7753554B2 (en) Light source apparatus
TWI396927B (zh) 發光二極體照明控制系統及方法
JP4901869B2 (ja) 画像表示装置
JP4396124B2 (ja) 表示装置、プロジェクタ、及びそれらの駆動方法
JP2013160966A (ja) マルチ画面表示装置および輝度制御方法
JP2006164842A (ja) 照明装置、液晶表示装置，携帯端末装置およびその制御方法
JP6064455B2 (ja) 投影装置、投影方法及びプログラム
JP5510503B2 (ja) 半導体装置、半導体光源装置、半導体装置の制御方法及び投影装置
JP4983897B2 (ja) 光源装置、投影装置及び投影方法
CN1987971A (zh) 图像显示设备
JP2001249652A5 (enExample)
JP2017163176A (ja) マルチ画面映像表示装置
CN103369328B (zh) 视频显示装置以及多画面显示装置
JP2007187750A (ja) 投影装置及び投影方法
US10757771B2 (en) Pointing element, image projection system, and method for controlling pointing element
JP5494140B2 (ja) 投影装置、ｌｅｄアレイ故障検知装置、投影制御方法及びｌｅｄアレイ故障検知方法
US11016377B2 (en) Image display apparatus and control method thereof
KR101731644B1 (ko) Ｒ,ｇ,ｂ ｌｅｄ 동시 구동형 피코 프로젝터
JP7426579B2 (ja) ユーザインタフェース装置及びパラメータの設定方法
JP2017227783A (ja) 光源装置、投影装置、光源制御方法及びプログラム
JP2020136143A (ja) 表示装置
JP2012142224A (ja) バックライト装置及びその制御方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20141218

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20141218

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20150904

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150915

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20160126