TR200705747A2 - Ekran panellerinde arka-ışık ve piksel parlaklığının otomatik ayarlanması - Google Patents

Ekran panellerinde arka-ışık ve piksel parlaklığının otomatik ayarlanması

Info

Publication number
TR200705747A2
TR200705747A2 TR2007/05747A TR200705747A TR200705747A2 TR 200705747 A2 TR200705747 A2 TR 200705747A2 TR 2007/05747 A TR2007/05747 A TR 2007/05747A TR 200705747 A TR200705747 A TR 200705747A TR 200705747 A2 TR200705747 A2 TR 200705747A2
Authority
TR
Turkey
Prior art keywords
brightness
panel
panel elements
pixel brightness
sensors
Prior art date
Application number
TR2007/05747A
Other languages
English (en)
Inventor
Aytaç Ci̇hat
Sever Eni̇s
Boran Bariş
Gürbüz Ebru
Original Assignee
Vestel Elektroni̇k San. Ve Ti̇c. A.Ş.
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 Vestel Elektroni̇k San. Ve Ti̇c. A.Ş. filed Critical Vestel Elektroni̇k San. Ve Ti̇c. A.Ş.
Priority to TR2007/05747A priority Critical patent/TR200705747A2/tr
Priority to EP08160797.0A priority patent/EP2028640B1/en
Priority to ES08160797T priority patent/ES2423015T3/es
Publication of TR200705747A2 publication Critical patent/TR200705747A2/tr

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
    • G09G3/3406—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
    • 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • 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
    • 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
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G09G2360/147—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen the originated light output being determined for each pixel
    • 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
    • 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
    • G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
    • 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
    • G09G3/3666—Control of matrices with row and column drivers using an active matrix with the matrix divided into sections

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)
  • Control Of El Displays (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

Bir iki-boyutlu dizi halinde düzenlenen ve ışık yayabilen birçok panel elemanı (2), üzerinde düzenlendikleri panel elemanlarından yayılan ışığın parlaklığını algılamak için, panel elemanları üzerinde panelin her iki boyutunda eşit şekilde düzenlenen bir birinci piksel parlaklığı sensoru (8) alt-grubu, üzerinde piksel parlaklığı sensorlerı (8) düzenlenen panel elemanlarının (2) parlaklık farklarını belirlemek için piksel parlaklığı sensorlerıne bağlı olan parlaklık belirleme araçları (25), ve panel elemanları arasındaki parlaklık homojensızlıklerını dengelemek için, belirlenen parlaklık farklarına göre, ekran panelinin (1) panel elemanlarının (2) parlaklığının ayarlanması için dengeleme araçları (26) içeren bir ekran panelidir (1) Ek olarak veya alternatif olarak, panel elemanları (2) üzerine gelen ortam ışığının ışık yoğunluğunu algılamak için, panelin (1) panel elemanlarında (2) muntazam bir şekilde düzenlenen gelen ışık sensorlerı (9) yer alır.
TR2007/05747A 2007-08-17 2007-08-17 Ekran panellerinde arka-ışık ve piksel parlaklığının otomatik ayarlanması TR200705747A2 (tr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TR2007/05747A TR200705747A2 (tr) 2007-08-17 2007-08-17 Ekran panellerinde arka-ışık ve piksel parlaklığının otomatik ayarlanması
EP08160797.0A EP2028640B1 (en) 2007-08-17 2008-07-21 Auto adjusting backlight and pixel brightness on display panels
ES08160797T ES2423015T3 (es) 2007-08-17 2008-07-21 Ajuste automático de retroiluminación y luminosidad de píxeles en paneles de visualización

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2007/05747A TR200705747A2 (tr) 2007-08-17 2007-08-17 Ekran panellerinde arka-ışık ve piksel parlaklığının otomatik ayarlanması

Publications (1)

Publication Number Publication Date
TR200705747A2 true TR200705747A2 (tr) 2009-03-23

Family

ID=39929969

Family Applications (1)

Application Number Title Priority Date Filing Date
TR2007/05747A TR200705747A2 (tr) 2007-08-17 2007-08-17 Ekran panellerinde arka-ışık ve piksel parlaklığının otomatik ayarlanması

Country Status (3)

Country Link
EP (1) EP2028640B1 (tr)
ES (1) ES2423015T3 (tr)
TR (1) TR200705747A2 (tr)

Families Citing this family (13)

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GB201022138D0 (en) 2010-12-31 2011-02-02 Barco Nv Display device and means to measure and isolate the ambient light
US9472163B2 (en) * 2012-02-17 2016-10-18 Monotype Imaging Inc. Adjusting content rendering for environmental conditions
CN103792704A (zh) * 2014-01-27 2014-05-14 北京京东方视讯科技有限公司 一种测试装置及其方法、显示装置及其显示方法
CN110164384B (zh) * 2018-09-29 2022-06-10 京东方科技集团股份有限公司 一种亮度补偿方法及装置
DE112019005100T5 (de) * 2018-10-11 2021-11-11 Ams Ag Umgebungslichtsensor
US10985148B2 (en) * 2018-12-27 2021-04-20 Innolux Corporation Electronic device
CN111211149A (zh) * 2020-01-08 2020-05-29 武汉华星光电半导体显示技术有限公司 显示屏及显示装置
CN111258118B (zh) * 2020-03-24 2022-05-24 京东方科技集团股份有限公司 显示基板及其控制方法、显示装置
CN112415754B (zh) * 2020-12-14 2022-11-11 Oppo广东移动通信有限公司 显示面板及其显示装置、头戴显示设备、显示均匀性校准方法
CN113990267B (zh) * 2021-11-02 2023-01-24 Tcl华星光电技术有限公司 像素的亮度补偿方法、装置、存储介质及显示面板
CN114495859B (zh) * 2022-02-24 2023-07-25 深圳创维－Rgb电子有限公司 画面显示方法、装置、显示终端以及存储介质
CN115775543A (zh) * 2022-12-23 2023-03-10 重庆惠科金渝光电科技有限公司 背光模组及显示装置
CN117711300B (zh) * 2023-06-20 2024-08-23 荣耀终端有限公司 一种图像的显示方法、电子设备、可读存储介质和芯片

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US5831693A (en) * 1996-02-22 1998-11-03 Honeywell Integrated light sensor for an active matrix liquid crystal display panel
US6720942B2 (en) 2002-02-12 2004-04-13 Eastman Kodak Company Flat-panel light emitting pixel with luminance feedback
JP4628770B2 (ja) * 2004-02-09 2011-02-09 株式会社日立製作所 照明装置を備えた画像表示装置及び画像表示方法
US7675249B2 (en) * 2004-07-12 2010-03-09 Sony Corporation Apparatus and method for driving backlight unit
US7636078B2 (en) * 2005-05-20 2009-12-22 Semiconductor Energy Laboratory Co., Ltd. Display device and electronic device
US7364306B2 (en) * 2005-06-20 2008-04-29 Digital Display Innovations, Llc Field sequential light source modulation for a digital display system
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US8791645B2 (en) * 2006-02-10 2014-07-29 Honeywell International Inc. Systems and methods for controlling light sources

Also Published As

Publication number Publication date
EP2028640A2 (en) 2009-02-25
ES2423015T3 (es) 2013-09-17
EP2028640B1 (en) 2013-04-24
EP2028640A3 (en) 2009-12-16

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