TR201100389A2 - Backlight compensation table estimation for displays - Google Patents

Backlight compensation table estimation for displays

Info

Publication number
TR201100389A2
TR201100389A2 TR2011/00389A TR201100389A TR201100389A2 TR 201100389 A2 TR201100389 A2 TR 201100389A2 TR 2011/00389 A TR2011/00389 A TR 2011/00389A TR 201100389 A TR201100389 A TR 201100389A TR 201100389 A2 TR201100389 A2 TR 201100389A2
Authority
TR
Turkey
Prior art keywords
backlight
displays
estimation
compensation table
present
Prior art date
Application number
TR2011/00389A
Other languages
Turkish (tr)
Inventor
Emrah Taşli Hüseyi̇n
Original Assignee
Vestel Elektroni̇k Sanayi̇ Ve Ti̇caret 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 Sanayi̇ Ve Ti̇caret A.Ş. filed Critical Vestel Elektroni̇k Sanayi̇ Ve Ti̇caret A.Ş.
Priority to TR2011/00389A priority Critical patent/TR201100389A2/en
Priority to EP12151013.5A priority patent/EP2477176B1/en
Priority to ES12151013.5T priority patent/ES2546520T3/en
Publication of TR201100389A2 publication Critical patent/TR201100389A2/en

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
    • G09G3/3406—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
    • G09G2320/0233—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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data

Landscapes

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

Abstract

Mevcut buluş arka ışık dengeleme tabloları için bir kestirim yöntemi ve ekranların arka ışık dengelemesi için bir yöntem ve sistem içermektedir. Buluş, mevcut buluşun kestirimini kullanan ekranlarda lokal karartma yöntemi ve sistemini de içermektedir. Mevcut buluşun yöntemi ve sisteminde, bir yaklaşık dengeleme tablosu üretilerek tüm ekran üzerinde bir homojen arka ışığın belirlenmesi mümkündür. Buluş, arka ışık kaynakları için lokal karartma gibi görüntü iyileştirme işlemleri için hem kenardan aydınlatmalı hem de doğrudan aydınlatmalı ekranların arka ışığının kontrol edilmesini de sağlar.The present invention includes an estimation method for backlight compensation tables and a method and system for backlight compensation of screens. The invention also includes a local dimming method and system for screens using the estimation of the present invention. In the method and system of the present invention, it is possible to determine a homogeneous backlight on the entire screen by producing an approximate compensation table. The invention also provides control of the backlight of both edge-lit and direct-illuminated displays for image enhancement processes such as local dimming for backlight sources.

TR2011/00389A 2011-01-14 2011-01-14 Backlight compensation table estimation for displays TR201100389A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TR2011/00389A TR201100389A2 (en) 2011-01-14 2011-01-14 Backlight compensation table estimation for displays
EP12151013.5A EP2477176B1 (en) 2011-01-14 2012-01-13 Backlight compensation table approximation for displays
ES12151013.5T ES2546520T3 (en) 2011-01-14 2012-01-13 Backlight compensation table approximation for display screen devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2011/00389A TR201100389A2 (en) 2011-01-14 2011-01-14 Backlight compensation table estimation for displays

Publications (1)

Publication Number Publication Date
TR201100389A2 true TR201100389A2 (en) 2012-08-22

Family

ID=45557860

Family Applications (1)

Application Number Title Priority Date Filing Date
TR2011/00389A TR201100389A2 (en) 2011-01-14 2011-01-14 Backlight compensation table estimation for displays

Country Status (3)

Country Link
EP (1) EP2477176B1 (en)
ES (1) ES2546520T3 (en)
TR (1) TR201100389A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103871373B (en) * 2014-04-01 2015-12-09 合肥工业大学 For the regional dynamics light-dimming method of side entering-type LED backlight liquid crystal display
CN110599965A (en) * 2019-08-09 2019-12-20 深圳市美芒科技有限公司 Image display method, image display device, terminal device, and readable storage medium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101114853B1 (en) 2004-12-13 2012-03-07 엘지디스플레이 주식회사 An External Electrode Fluorescent Lamp for LCD and manufacturing method thereof
US7537374B2 (en) 2005-08-27 2009-05-26 3M Innovative Properties Company Edge-lit backlight having light recycling cavity with concave transflector
KR20100021094A (en) * 2008-08-14 2010-02-24 삼성전자주식회사 Display apparatus and brightness correcting method thereof
US20100207865A1 (en) 2009-02-19 2010-08-19 Zoran Corporation Systems and methods for display device backlight compensation

Also Published As

Publication number Publication date
ES2546520T3 (en) 2015-09-24
EP2477176B1 (en) 2015-06-03
EP2477176A1 (en) 2012-07-18

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