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MX2012004038A - Dispositivo de pantalla de cristal liquido. - Google Patents

Dispositivo de pantalla de cristal liquido.

Info

Publication number
MX2012004038A
MX2012004038A MX2012004038A MX2012004038A MX2012004038A MX 2012004038 A MX2012004038 A MX 2012004038A MX 2012004038 A MX2012004038 A MX 2012004038A MX 2012004038 A MX2012004038 A MX 2012004038A MX 2012004038 A MX2012004038 A MX 2012004038A
Authority
MX
Mexico
Prior art keywords
liquid crystal
temperature
panel
crystal panel
emphasis conversion
Prior art date
Application number
MX2012004038A
Other languages
English (en)
Inventor
Yoshitaka Matsui
Yoshiyuki Kawagoe
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 MX2012004038A publication Critical patent/MX2012004038A/es

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
    • G09G3/3648—Control of matrices with row and column drivers using an active 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
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0252—Improving the response speed
    • 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
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/16—Determination of a pixel data signal depending on the signal applied in the previous frame
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (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)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

Se describe un dispositivo de pantalla de cristal líquido que puede realizar una excitación adecuada de sobretensión, incluso si la temperatura de panel es cambiada debido al cambio de la luminancia de emisión de luz de una retroiluminación. El dispositivo de pantalla de cristal líquido se proporciona con: un panel de cristal líquido (5); la retroiluminación (10) que ilumina el panel de cristal líquido (5) ; un sensor de temperatura (13) que detecta la temperatura en el dispositivo; una sección de conversión de énfasis (2), que obtiene, después del transcurso de un período vertical de visualización del panel de cristal líquido (5) , un parámetro de conversión de énfasis que realiza la transmisividad del panel de cristal líquido (5) para alcanzar la transmisividad especificada por las señales de imagen de entrada, y que da salida a la aplicación de señales de tensión para el panel de cristal líquido (5) en función del parámetro de conversión de énfasis; y una microcomputadora principal (8) , que corrige la temperatura de panel del panel de cristal líquido (5), la temperatura de panel corresponde con la temperatura detectada por medio del sensor de temperatura (13) , en función de la luminancia cambiada de emisión de luz cuando es cambiada la luminancia de emisión de luz de la retroiluminación(10). La sección de conversión de énfasis (2) controla, en forma variable, el parámetro de conversión de énfasis en función de la temperatura de panel corregida por medio de la microcomputadora principal (8).
MX2012004038A 2009-10-07 2010-10-04 Dispositivo de pantalla de cristal liquido. MX2012004038A (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2009233386 2009-10-07
JP2009235925 2009-10-13
JP2010087506 2010-04-06
JP2010091530 2010-04-12
PCT/JP2010/067357 WO2011043290A1 (ja) 2009-10-07 2010-10-04 液晶表示装置

Publications (1)

Publication Number Publication Date
MX2012004038A true MX2012004038A (es) 2012-05-22

Family

ID=43856745

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2012004038A MX2012004038A (es) 2009-10-07 2010-10-04 Dispositivo de pantalla de cristal liquido.

Country Status (7)

Country Link
US (2) US8363180B2 (es)
EP (1) EP2487675A4 (es)
JP (2) JP5214809B2 (es)
CN (1) CN102549649B (es)
MX (1) MX2012004038A (es)
RU (1) RU2012115463A (es)
WO (1) WO2011043290A1 (es)

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JP2021021854A (ja) * 2019-07-29 2021-02-18 キヤノン株式会社 表示装置及びその制御方法
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Also Published As

Publication number Publication date
EP2487675A4 (en) 2013-03-06
RU2012115463A (ru) 2013-11-20
JPWO2011043290A1 (ja) 2013-03-04
CN102549649B (zh) 2014-10-15
JP5214809B2 (ja) 2013-06-19
WO2011043290A1 (ja) 2011-04-14
US8363180B2 (en) 2013-01-29
US8553176B2 (en) 2013-10-08
EP2487675A1 (en) 2012-08-15
CN102549649A (zh) 2012-07-04
JP2013148912A (ja) 2013-08-01
US20120212520A1 (en) 2012-08-23
US20130106924A1 (en) 2013-05-02

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