HK1149836A1 - Video display device - Google Patents

Video display device

Info

Publication number
HK1149836A1
HK1149836A1 HK11103824.3A HK11103824A HK1149836A1 HK 1149836 A1 HK1149836 A1 HK 1149836A1 HK 11103824 A HK11103824 A HK 11103824A HK 1149836 A1 HK1149836 A1 HK 1149836A1
Authority
HK
Hong Kong
Prior art keywords
display device
video display
video
display
Prior art date
Application number
HK11103824.3A
Other languages
English (en)
Inventor
Masahiro Okui
Toshiyuki Fujine
Yasushi Tetsuka
Ryuichi Niiyama
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of HK1149836A1 publication Critical patent/HK1149836A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • 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
    • G09G3/34—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
    • 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
    • G09G2320/0238—Improving the black level
    • 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
    • G09G2320/0613—The adjustment depending on the type of the information to be displayed
    • G09G2320/062—Adjustment of illumination source parameters
    • 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
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
    • 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
    • G09G2320/0653—Controlling or limiting the speed of brightness adjustment of the illumination source
    • 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
    • G09G2320/066—Adjustment of display parameters for control of contrast
    • 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
    • G09G2320/10—Special adaptations of display systems for operation with variable images
    • G09G2320/103—Detection of image changes, e.g. determination of an index representative of the image change
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • 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
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient 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
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
    • 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
    • G09G3/36—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 using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
HK11103824.3A 2008-01-30 2011-04-15 Video display device HK1149836A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008018955 2008-01-30
JP2008018928 2008-01-30
PCT/JP2009/051058 WO2009096329A1 (ja) 2008-01-30 2009-01-23 映像表示装置

Publications (1)

Publication Number Publication Date
HK1149836A1 true HK1149836A1 (en) 2011-10-14

Family

ID=40912682

Family Applications (1)

Application Number Title Priority Date Filing Date
HK11103824.3A HK1149836A1 (en) 2008-01-30 2011-04-15 Video display device

Country Status (7)

Country Link
US (1) US8525934B2 (xx)
EP (1) EP2237259A4 (xx)
JP (1) JP5091955B2 (xx)
CN (1) CN101911175B (xx)
HK (1) HK1149836A1 (xx)
RU (1) RU2452039C2 (xx)
WO (1) WO2009096329A1 (xx)

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US8810611B2 (en) * 2009-07-03 2014-08-19 Sharp Kabushiki Kaisha Liquid crystal display device
CN101673520B (zh) * 2009-08-18 2014-01-01 北京巨数数字技术开发有限公司 一种液晶显示装置以及图像信号处理方法
CN102473391A (zh) * 2009-09-30 2012-05-23 夏普株式会社 显示方法和显示装置
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US8976204B2 (en) 2010-04-12 2015-03-10 Sharp Kabushiki Kaisha Display device
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JP5284444B2 (ja) * 2011-11-11 2013-09-11 シャープ株式会社 映像表示装置およびテレビ受信装置
JP5221780B1 (ja) * 2012-02-03 2013-06-26 シャープ株式会社 映像表示装置およびテレビ受信装置
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JP6543442B2 (ja) * 2014-07-30 2019-07-10 ルネサスエレクトロニクス株式会社 画像処理装置および画像処理方法
JP6460721B2 (ja) * 2014-10-22 2019-01-30 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム
CN104299578B (zh) * 2014-11-10 2016-09-14 深圳市华星光电技术有限公司 背光单元及其驱动方法、液晶显示装置
KR102615070B1 (ko) * 2016-10-12 2023-12-19 삼성전자주식회사 디스플레이 장치, 및 그 제어방법
KR20180047263A (ko) * 2016-10-31 2018-05-10 삼성전자주식회사 디스플레이 장치 및 방법
US11830444B2 (en) * 2017-06-29 2023-11-28 Hewlett-Packard Development Company, L.P. Modify brightness of displays using pixel luminance
CN109300095A (zh) * 2018-08-27 2019-02-01 深圳Tcl新技术有限公司 图像增强方法、系统及计算机可读存储介质
KR20200128289A (ko) * 2019-05-02 2020-11-12 삼성디스플레이 주식회사 표시 장치 및 이의 구동 방법
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KR20210026293A (ko) * 2019-08-29 2021-03-10 엘지전자 주식회사 영상표시장치
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Also Published As

Publication number Publication date
CN101911175A (zh) 2010-12-08
JP5091955B2 (ja) 2012-12-05
WO2009096329A1 (ja) 2009-08-06
US20100328535A1 (en) 2010-12-30
RU2452039C2 (ru) 2012-05-27
JPWO2009096329A1 (ja) 2011-05-26
EP2237259A4 (en) 2012-04-25
RU2010111773A (ru) 2011-10-10
US8525934B2 (en) 2013-09-03
EP2237259A1 (en) 2010-10-06
CN101911175B (zh) 2012-12-12

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20170123