BR112012017119A2 - sistema de tela lcd compensada e métodos - Google Patents

sistema de tela lcd compensada e métodos

Info

Publication number
BR112012017119A2
BR112012017119A2 BR112012017119A BR112012017119A BR112012017119A2 BR 112012017119 A2 BR112012017119 A2 BR 112012017119A2 BR 112012017119 A BR112012017119 A BR 112012017119A BR 112012017119 A BR112012017119 A BR 112012017119A BR 112012017119 A2 BR112012017119 A2 BR 112012017119A2
Authority
BR
Brazil
Prior art keywords
methods
lcd screen
dimensional
modified
screen
Prior art date
Application number
BR112012017119A
Other languages
English (en)
Inventor
J Daly Scott
Fan Feng Xiao
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 BR112012017119A2 publication Critical patent/BR112012017119A2/pt

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
    • 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
    • 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
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • 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
    • G09G2320/066—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
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)

Abstract

sistema de tela lcd compensada e métodos. a presente invenção refere-se, em geral, a um sistema e a métodos que exibem uma imagem em uma tela de lcd. a imagem de entrada é modificada com um primeiro processo de filtragem (506) para determinar um sinal de direcionamento (502) para um conjunto bidimensional de retroiluminação de elementos emissores de luz independentemente selecionáveis da dita tela. a primeira imagem modificada é modificada com um segundo processo de redução de ruído (520) para determinar um sinal de direcionamento (504) para uma camada de cristal líquido bidimensional que define os pixels da dita tela. o conjunto bidimensional de retroiluminação possui uma densidade de elementos emissores de luz de uma densidade de pixels de camada de cristal líquido bidimensional.
BR112012017119A 2009-12-21 2010-06-17 sistema de tela lcd compensada e métodos BR112012017119A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/655,025 US8947339B2 (en) 2009-12-21 2009-12-21 Noise-compensated LCD display
PCT/JP2010/060697 WO2011077772A1 (en) 2009-12-21 2010-06-17 Compensated lcd display system and methods

Publications (1)

Publication Number Publication Date
BR112012017119A2 true BR112012017119A2 (pt) 2017-06-20

Family

ID=44150400

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012017119A BR112012017119A2 (pt) 2009-12-21 2010-06-17 sistema de tela lcd compensada e métodos

Country Status (7)

Country Link
US (1) US8947339B2 (pt)
EP (1) EP2504734A4 (pt)
JP (1) JP5502209B2 (pt)
CN (1) CN102713734B (pt)
BR (1) BR112012017119A2 (pt)
RU (1) RU2012130097A (pt)
WO (1) WO2011077772A1 (pt)

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WO2010045039A1 (en) 2008-10-14 2010-04-22 Dolby Laboratories Licensing Corporation Backlight simulation at reduced resolutions to determine spatial modulation of light for high dynamic range images
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WO2015097168A1 (en) * 2013-12-27 2015-07-02 Thomson Licensing Method and device for tone-mapping a high dynamic range image

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Also Published As

Publication number Publication date
CN102713734B (zh) 2015-08-26
JP2013513819A (ja) 2013-04-22
EP2504734A4 (en) 2013-03-20
JP5502209B2 (ja) 2014-05-28
US20110148900A1 (en) 2011-06-23
RU2012130097A (ru) 2014-01-27
WO2011077772A1 (en) 2011-06-30
CN102713734A (zh) 2012-10-03
US8947339B2 (en) 2015-02-03
EP2504734A1 (en) 2012-10-03

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Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law
B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)