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WO2009044909A1 - 映像表示装置及びその光源駆動方法 - Google Patents

映像表示装置及びその光源駆動方法 Download PDF

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Publication number
WO2009044909A1
WO2009044909A1 PCT/JP2008/068141 JP2008068141W WO2009044909A1 WO 2009044909 A1 WO2009044909 A1 WO 2009044909A1 JP 2008068141 W JP2008068141 W JP 2008068141W WO 2009044909 A1 WO2009044909 A1 WO 2009044909A1
Authority
WO
WIPO (PCT)
Prior art keywords
light source
sub frame
display
display device
panel
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.)
Ceased
Application number
PCT/JP2008/068141
Other languages
English (en)
French (fr)
Inventor
Tooru Kataoka
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.)
Sharp NEC Display Solutions Ltd
Original Assignee
NEC Display Solutions 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 NEC Display Solutions Ltd filed Critical NEC Display Solutions Ltd
Priority to CN2008801087202A priority Critical patent/CN101809645B/zh
Priority to US12/733,286 priority patent/US8345172B2/en
Priority to EP08835791A priority patent/EP2187381A4/en
Publication of WO2009044909A1 publication Critical patent/WO2009044909A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/10—Simultaneous recording or projection
    • G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
    • 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
    • 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
    • G03B21/008—Projectors using an electronic spatial light modulator but not peculiar thereto using micromirror devices
    • 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
    • G03B21/208—Homogenising, shaping of the illumination light
    • 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]
    • H04N9/3102—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
    • H04N9/3108—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 by using a single electronic spatial light modulator
    • 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
    • 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
    • H04N9/3164—Modulator illumination systems using multiple light sources
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0235—Field-sequential colour display
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/066—Waveforms comprising a gently increasing or decreasing portion, e.g. ramp
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • 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
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
    • G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Projection Apparatus (AREA)

Abstract

　色順次表示方式の映像表示装置において、サブフレームにおける、表示パネルに対する画像データの書き込み開始から該画像データに基づく画像表示が完了するまでの期間をパネル映像書き込み期間としたとき、光源駆動回路は、現サブフレームのパネル映像書き込み期間内で該現サブフレームの表示画像に対応する色の光源の輝度を零から所定値まで徐々に上昇させ、次のサブフレームのパネル映像書き込み期間内で該光源の輝度を所定値から零まで徐々に下降させる駆動信号を生成する。光源ドライバは駆動信号にしたがって光源を発光させる。
PCT/JP2008/068141 2007-10-04 2008-10-06 映像表示装置及びその光源駆動方法 Ceased WO2009044909A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2008801087202A CN101809645B (zh) 2007-10-04 2008-10-06 视频显示装置及其光源驱动方法
US12/733,286 US8345172B2 (en) 2007-10-04 2008-10-06 Video display device and light source driving method thereof
EP08835791A EP2187381A4 (en) 2007-10-04 2008-10-06 VIDEO DISPLAY DEVICE AND METHOD FOR CONTROLLING LIGHT SOURCE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007260832A JP2009092745A (ja) 2007-10-04 2007-10-04 映像表示装置及びその光源駆動方法
JP2007-260832 2007-10-04

Publications (1)

Publication Number Publication Date
WO2009044909A1 true WO2009044909A1 (ja) 2009-04-09

Family

ID=40526321

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/068141 Ceased WO2009044909A1 (ja) 2007-10-04 2008-10-06 映像表示装置及びその光源駆動方法

Country Status (5)

Country Link
US (1) US8345172B2 (ja)
EP (1) EP2187381A4 (ja)
JP (1) JP2009092745A (ja)
CN (1) CN101809645B (ja)
WO (1) WO2009044909A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012032794A (ja) * 2010-07-02 2012-02-16 Semiconductor Energy Lab Co Ltd 液晶表示装置の駆動方法
JP2012048220A (ja) * 2010-07-26 2012-03-08 Semiconductor Energy Lab Co Ltd 液晶表示装置及びその駆動方法
WO2015093111A1 (ja) * 2013-12-18 2015-06-25 シャープ株式会社 表示装置
WO2019004072A1 (ja) * 2017-06-29 2019-01-03 シャープ株式会社 フィールドシーケンシャル方式の画像表示装置および画像表示方法
CN113763876A (zh) * 2021-10-19 2021-12-07 中科芯集成电路有限公司 一种led驱动芯片动态节能开启方法

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TWI413078B (zh) * 2009-05-05 2013-10-21 Chunghwa Picture Tubes Ltd 色彩序列控制方法及使用其之場色序法顯示器
KR101749944B1 (ko) 2009-12-28 2017-06-22 가부시키가이샤 한도오따이 에네루기 켄큐쇼 액정 표시 장치 및 전자 기기
US8485669B2 (en) * 2010-01-29 2013-07-16 Nec Display Solutions, Ltd. Projector and illumination apparatus for same
WO2011130715A2 (en) 2010-04-16 2011-10-20 Flex Lighting Ii, Llc Illumination device comprising a film-based lightguide
EP2558776B1 (en) 2010-04-16 2022-09-14 Azumo, Inc. Front illumination device comprising a film-based lightguide
WO2012099040A1 (ja) * 2011-01-20 2012-07-26 シャープ株式会社 画像表示装置および画像表示方法
CN102280092A (zh) * 2011-08-02 2011-12-14 华映视讯（吴江）有限公司 场序式液晶显示器的显示方法
JP5494610B2 (ja) * 2011-10-17 2014-05-21 カシオ計算機株式会社 投影装置、投影制御方法及びプログラム
TWI464720B (zh) * 2012-02-02 2014-12-11 Novatek Microelectronics Corp 液晶顯示驅動方法及顯示裝置
CN103680428A (zh) * 2012-09-12 2014-03-26 群康科技(深圳)有限公司 显示装置
US9208731B2 (en) 2012-10-30 2015-12-08 Pixtronix, Inc. Display apparatus employing frame specific composite contributing colors
WO2014087875A1 (ja) * 2012-12-03 2014-06-12 シャープ株式会社 表示装置及びテレビ受信装置
CN107111994B (zh) * 2015-01-13 2021-03-23 奇跃公司 改进的颜色顺序显示
CN113438458A (zh) * 2021-06-11 2021-09-24 屏丽科技(深圳)有限公司 一种时序混色液晶投影初始亮度优化方法
CN116110345A (zh) * 2021-11-11 2023-05-12 苏州佳世达电通有限公司 影像显示设备及其控制方法

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JP2000352701A (ja) * 1999-06-11 2000-12-19 Canon Inc 液晶装置における画像表示方法
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JP2003241714A (ja) 2001-12-13 2003-08-29 Matsushita Electric Ind Co Ltd 表示装置の駆動方法及び表示装置

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JP2000352701A (ja) * 1999-06-11 2000-12-19 Canon Inc 液晶装置における画像表示方法
JP2003044007A (ja) * 2001-07-27 2003-02-14 Nec Mitsubishi Denki Visual Systems Kk 液晶表示装置
JP2003241714A (ja) 2001-12-13 2003-08-29 Matsushita Electric Ind Co Ltd 表示装置の駆動方法及び表示装置

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012032794A (ja) * 2010-07-02 2012-02-16 Semiconductor Energy Lab Co Ltd 液晶表示装置の駆動方法
JP2012048220A (ja) * 2010-07-26 2012-03-08 Semiconductor Energy Lab Co Ltd 液晶表示装置及びその駆動方法
US9165521B2 (en) 2010-07-26 2015-10-20 Semiconductor Energy Laboratory Co., Ltd. Field sequential liquid crystal display device and driving method thereof
WO2015093111A1 (ja) * 2013-12-18 2015-06-25 シャープ株式会社 表示装置
WO2019004072A1 (ja) * 2017-06-29 2019-01-03 シャープ株式会社 フィールドシーケンシャル方式の画像表示装置および画像表示方法
CN113763876A (zh) * 2021-10-19 2021-12-07 中科芯集成电路有限公司 一种led驱动芯片动态节能开启方法

Also Published As

Publication number Publication date
EP2187381A1 (en) 2010-05-19
US8345172B2 (en) 2013-01-01
CN101809645B (zh) 2013-08-07
US20100149435A1 (en) 2010-06-17
JP2009092745A (ja) 2009-04-30
CN101809645A (zh) 2010-08-18
EP2187381A4 (en) 2013-01-23

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