ATE545277T1 - Verfahren zur förderung des kontrastverhältnisses - Google Patents

Verfahren zur förderung des kontrastverhältnisses

Info

Publication number
ATE545277T1
ATE545277T1 AT09152841T AT09152841T ATE545277T1 AT E545277 T1 ATE545277 T1 AT E545277T1 AT 09152841 T AT09152841 T AT 09152841T AT 09152841 T AT09152841 T AT 09152841T AT E545277 T1 ATE545277 T1 AT E545277T1
Authority
AT
Austria
Prior art keywords
ratio
time
contrast ratio
luminance
brightness
Prior art date
Application number
AT09152841T
Other languages
English (en)
Inventor
Wen Cheng Huang
Lu Hao Chen
Sung Yu Tsai
Chang Chen Chien
Original Assignee
Hannstar Display 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 Hannstar Display Corp filed Critical Hannstar Display Corp
Application granted granted Critical
Publication of ATE545277T1 publication Critical patent/ATE545277T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or 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
    • G09G3/20—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
    • 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
    • G09G2320/0626—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Television Receiver Circuits (AREA)
  • Liquid Crystal (AREA)
AT09152841T 2008-02-19 2009-02-13 Verfahren zur förderung des kontrastverhältnisses ATE545277T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW097105820A TWI401666B (zh) 2008-02-19 2008-02-19 對比度提昇方法

Publications (1)

Publication Number Publication Date
ATE545277T1 true ATE545277T1 (de) 2012-02-15

Family

ID=40790728

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09152841T ATE545277T1 (de) 2008-02-19 2009-02-13 Verfahren zur förderung des kontrastverhältnisses

Country Status (4)

Country Link
US (1) US8576158B2 (de)
EP (1) EP2094006B1 (de)
AT (1) ATE545277T1 (de)
TW (1) TWI401666B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI433134B (zh) * 2010-06-07 2014-04-01 Hannstar Display Corp 提高顯示裝置穩定度及對比度的方法
US20120056910A1 (en) 2010-08-30 2012-03-08 Qualcomm Incorporated Calibration of display for color response shifts at different luminance settings and for cross-talk between channels
CN105513544B (zh) * 2016-02-25 2018-01-23 广州视源电子科技股份有限公司 一种动态背光调节方法及装置
CN110890069B (zh) * 2018-09-07 2021-04-20 深圳市巨烽显示科技有限公司 一种显示器亮度调节方法、装置及显示器
CN111063289B (zh) * 2019-12-25 2022-08-02 Tcl华星光电技术有限公司 灰阶补偿方法、装置及显示设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6157814A (ja) 1984-08-29 1986-03-24 Hitachi Ltd 電子計器盤
JPH11119877A (ja) 1997-10-20 1999-04-30 Fujitsu Ltd 表示制御方法及び情報処理装置
EP1197067B1 (de) * 1999-06-15 2003-01-02 Infineon Technologies AG Verfahren und schaltungsanordnung zur kontrastverbesserung eines bildes
JP2001265296A (ja) * 2000-01-14 2001-09-28 Sharp Corp 透過型液晶表示装置および画像処理方法
DE60239930D1 (de) 2001-04-25 2011-06-16 Panasonic Corp Videoanzeigevorrichtung und videoanzeigeverfahren
JP2004004532A (ja) 2002-03-25 2004-01-08 Sharp Corp 映像表示装置
KR100558194B1 (ko) * 2003-10-17 2006-03-10 삼성전자주식회사 높은 식각 선택비를 갖는 식각 조성물, 이의 제조 방법,이를 이용한 산화막의 선택적 식각 방법 및 반도체 장치의제조 방법
KR101174782B1 (ko) 2005-06-30 2012-08-20 엘지디스플레이 주식회사 액정 표시장치의 구동장치 및 구동방법
TWI285863B (en) 2005-08-30 2007-08-21 Delta Electronics Inc Apparatus and method for enhancing image contrast
KR101272258B1 (ko) * 2006-07-04 2013-06-13 삼성전자주식회사 영상 보상 장치 및 방법
CN101149902A (zh) 2006-09-20 2008-03-26 南京Lg同创彩色显示系统有限责任公司 图像显示仪器

Also Published As

Publication number Publication date
TWI401666B (zh) 2013-07-11
US8576158B2 (en) 2013-11-05
TW200937384A (en) 2009-09-01
EP2094006B1 (de) 2012-02-08
EP2094006A3 (de) 2010-09-08
US20090207127A1 (en) 2009-08-20
EP2094006A2 (de) 2009-08-26

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