WO2008153055A1 - 表示装置、映像信号処理方法、およびプログラム - Google Patents

表示装置、映像信号処理方法、およびプログラム Download PDF

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Publication number
WO2008153055A1
WO2008153055A1 PCT/JP2008/060674 JP2008060674W WO2008153055A1 WO 2008153055 A1 WO2008153055 A1 WO 2008153055A1 JP 2008060674 W JP2008060674 W JP 2008060674W WO 2008153055 A1 WO2008153055 A1 WO 2008153055A1
Authority
WO
WIPO (PCT)
Prior art keywords
upper limit
limit value
display device
adjustment signal
section
Prior art date
Application number
PCT/JP2008/060674
Other languages
English (en)
French (fr)
Inventor
Yasuo Inoue
Takeya Meguro
Eiichi Saito
Original Assignee
Sony Corporation
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 Sony Corporation filed Critical Sony Corporation
Priority to AU2008263014A priority Critical patent/AU2008263014B2/en
Priority to JP2009519275A priority patent/JPWO2008153055A1/ja
Priority to RU2009146025/08A priority patent/RU2469414C2/ru
Priority to CA002687440A priority patent/CA2687440A1/en
Priority to EP08765453A priority patent/EP2154671A4/en
Priority to CN2008800197135A priority patent/CN101681593B/zh
Priority to US12/601,617 priority patent/US8462085B2/en
Publication of WO2008153055A1 publication Critical patent/WO2008153055A1/ja

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
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • 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
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
    • 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
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • 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
    • G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data

Abstract

　電流量に応じて自発光する発光素子がマトリクス状に配置された表示部を備える表示装置であって、単位時間当たりに発光素子を発光させる発光時間を規定する実デューティを調整する調整信号を生成する調整信号生成部と、設定する実デューティに上限値が設けられ、入力される映像信号の映像情報に応じて、表示部の発光素子が発光する単位時間当りの総発光量を制限するように上限値以下の実デューティを設定する発光時間設定部と、操作に基づき調整信号生成部から出力される調整信号に応じて発光時間設定部の上限値を変更させる上限値設定部とを備える表示装置が提供される。
PCT/JP2008/060674 2007-06-13 2008-06-11 表示装置、映像信号処理方法、およびプログラム WO2008153055A1 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AU2008263014A AU2008263014B2 (en) 2007-06-13 2008-06-11 Display device, video signal processing method and program
JP2009519275A JPWO2008153055A1 (ja) 2007-06-13 2008-06-11 表示装置、映像信号処理方法、およびプログラム
RU2009146025/08A RU2469414C2 (ru) 2007-06-13 2008-06-11 Устройство дисплея, способ обработки сигнала изображения и программа
CA002687440A CA2687440A1 (en) 2007-06-13 2008-06-11 Display device, picture signal processing method, and program
EP08765453A EP2154671A4 (en) 2007-06-13 2008-06-11 DISPLAY DEVICE, VIDEO SIGNAL PROCESSING AND PROGRAM
CN2008800197135A CN101681593B (zh) 2007-06-13 2008-06-11 显示装置和画面信号处理方法
US12/601,617 US8462085B2 (en) 2007-06-13 2008-06-11 Display device, picture signal processing method, and program

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007156322 2007-06-13
JP2007-156322 2007-06-13

Publications (1)

Publication Number Publication Date
WO2008153055A1 true WO2008153055A1 (ja) 2008-12-18

Family

ID=40129660

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/060674 WO2008153055A1 (ja) 2007-06-13 2008-06-11 表示装置、映像信号処理方法、およびプログラム

Country Status (9)

Country Link
US (1) US8462085B2 (ja)
EP (1) EP2154671A4 (ja)
JP (1) JPWO2008153055A1 (ja)
KR (1) KR101594189B1 (ja)
CN (1) CN101681593B (ja)
AU (1) AU2008263014B2 (ja)
CA (1) CA2687440A1 (ja)
RU (1) RU2469414C2 (ja)
WO (1) WO2008153055A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019124254A1 (ja) * 2017-12-19 2019-06-27 ソニー株式会社 信号処理装置、信号処理方法、及び表示装置
WO2021131830A1 (ja) * 2019-12-27 2021-07-01 ソニーグループ株式会社 信号処理装置、信号処理方法、及び表示装置

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KR20080101679A (ko) 2007-05-18 2008-11-21 소니 가부시끼 가이샤 표시 장치, 영상 신호 처리 방법, 및 프로그램
KR101289645B1 (ko) * 2009-12-28 2013-07-30 엘지디스플레이 주식회사 액정표시장치와 그 색온도 보상 방법
KR101289650B1 (ko) * 2010-12-08 2013-07-25 엘지디스플레이 주식회사 액정표시장치와 그 스캐닝 백라이트 구동 방법
KR20130133499A (ko) * 2012-05-29 2013-12-09 삼성디스플레이 주식회사 유기전계발광 표시장치 및 그의 구동방법
KR102083297B1 (ko) * 2013-09-02 2020-03-03 엘지전자 주식회사 표시장치와 그 휘도 제어 방법
TWI490848B (zh) * 2014-06-13 2015-07-01 Raydium Semiconductor Corp 顯示裝置之驅動電路
US10347174B2 (en) 2017-01-03 2019-07-09 Solomon Systech Limited System of compressed frame scanning for a display and a method thereof
US11615740B1 (en) 2019-12-13 2023-03-28 Meta Platforms Technologies, Llc Content-adaptive duty ratio control
US11922892B2 (en) 2021-01-20 2024-03-05 Meta Platforms Technologies, Llc High-efficiency backlight driver

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
WO2019124254A1 (ja) * 2017-12-19 2019-06-27 ソニー株式会社 信号処理装置、信号処理方法、及び表示装置
JPWO2019124254A1 (ja) * 2017-12-19 2021-01-14 ソニー株式会社 信号処理装置、信号処理方法、及び表示装置
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WO2021131830A1 (ja) * 2019-12-27 2021-07-01 ソニーグループ株式会社 信号処理装置、信号処理方法、及び表示装置

Also Published As

Publication number Publication date
AU2008263014A1 (en) 2008-12-18
US8462085B2 (en) 2013-06-11
RU2469414C2 (ru) 2012-12-10
CN101681593B (zh) 2012-05-30
AU2008263014B2 (en) 2012-07-26
KR20100021447A (ko) 2010-02-24
JPWO2008153055A1 (ja) 2010-08-26
EP2154671A4 (en) 2010-10-20
RU2009146025A (ru) 2011-06-20
US20100171770A1 (en) 2010-07-08
CN101681593A (zh) 2010-03-24
EP2154671A1 (en) 2010-02-17
CA2687440A1 (en) 2008-12-18
KR101594189B1 (ko) 2016-02-15

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