EP2453433A3 - System and method for compensation of non-uniformities in light emitting device displays - Google Patents

System and method for compensation of non-uniformities in light emitting device displays Download PDF

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Publication number
EP2453433A3
EP2453433A3 EP11189176.8A EP11189176A EP2453433A3 EP 2453433 A3 EP2453433 A3 EP 2453433A3 EP 11189176 A EP11189176 A EP 11189176A EP 2453433 A3 EP2453433 A3 EP 2453433A3
Authority
EP
European Patent Office
Prior art keywords
compensation
degraded
pixels
display
light emitting
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP11189176.8A
Other languages
German (de)
French (fr)
Other versions
EP2453433A2 (en
EP2453433B1 (en
Inventor
Arokia Nathan
Gholamreza Chaji
Stefan Alexander
Peyman Servati
Richard I-Heng Huang
Corbin Church
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ignis Innovation Inc
Original Assignee
Ignis Innovation Inc
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
Priority claimed from US12/946,601 external-priority patent/US20110199395A1/en
Application filed by Ignis Innovation Inc filed Critical Ignis Innovation Inc
Publication of EP2453433A2 publication Critical patent/EP2453433A2/en
Publication of EP2453433A3 publication Critical patent/EP2453433A3/en
Application granted granted Critical
Publication of EP2453433B1 publication Critical patent/EP2453433B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G09G3/22—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
    • G09G3/22—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
    • G09G3/3233—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 with pixel circuitry controlling the current through the light-emitting element
    • 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
    • G09G3/3233—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 with pixel circuitry controlling the current through the light-emitting element
    • G09G3/3241—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 with pixel circuitry controlling the current through the light-emitting element the current through the light-emitting element being set using a data current provided by the data driver, e.g. by using a two-transistor current mirror
    • 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
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
    • G09G2320/0295—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel by monitoring each display 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G09G2320/045—Compensation of drifts in the characteristics of light emitting or modulating elements
    • 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
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G09G2320/048—Preventing or counteracting the effects of ageing using evaluation of the usage time
    • 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
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0428—Gradation resolution change

Landscapes

  • Engineering & Computer Science (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)
  • Control Of El Displays (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

A system and method for operating a display at a constant luminance even as some of the pixels in the display are degraded over time. Each pixel in the display is configured to emit light when a voltage is supplied to the pixel's driving circuit, which causes a current to flow through a light emitting element. Degraded pixels are compensated by supplying their respective driving circuits with greater voltages. The display data is scaled by a compression factor less than one to reserve some voltage levels for compensating degraded pixels. As pixels become more degraded, and require additional compensation, the compression factor is decreased to reserve additional voltage levels for use in compensation.
EP11189176.8A 2010-11-15 2011-11-15 System and method for compensation of non-uniformities in light emitting device displays Active EP2453433B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/946,601 US20110199395A1 (en) 2005-04-12 2010-11-15 System and method for compensation of non-uniformities in light emitting device displays

Publications (3)

Publication Number Publication Date
EP2453433A2 EP2453433A2 (en) 2012-05-16
EP2453433A3 true EP2453433A3 (en) 2014-06-18
EP2453433B1 EP2453433B1 (en) 2018-10-10

Family

ID=45023678

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11189176.8A Active EP2453433B1 (en) 2010-11-15 2011-11-15 System and method for compensation of non-uniformities in light emitting device displays

Country Status (2)

Country Link
EP (1) EP2453433B1 (en)
CN (2) CN105845083B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102162746B1 (en) 2009-10-21 2020-10-07 가부시키가이샤 한도오따이 에네루기 켄큐쇼 Analog circuit and semiconductor device
KR102074719B1 (en) 2013-10-08 2020-02-07 엘지디스플레이 주식회사 Organic light emitting display device
KR102223552B1 (en) 2013-12-04 2021-03-04 엘지디스플레이 주식회사 Organic light emitting display device and method for driving thereof
US9741282B2 (en) * 2013-12-06 2017-08-22 Ignis Innovation Inc. OLED display system and method
CN103761933A (en) * 2013-12-30 2014-04-30 深圳市华星光电技术有限公司 System and method for repairing bad display area of liquid crystal display panel
CN103985356B (en) * 2014-05-26 2016-06-15 合肥工业大学 The method of a kind of OLED ash rank loss compensation
CN112002285B (en) * 2014-06-25 2021-10-29 伊格尼斯创新公司 Method for determining and compensating efficiency degradation of organic light emitting device
KR102287907B1 (en) * 2015-06-22 2021-08-10 삼성디스플레이 주식회사 Degradation compensator of organic light emitting diode display device
CN104978947B (en) * 2015-07-17 2018-06-05 京东方科技集团股份有限公司 Adjusting method, dispaly state regulating device and the display device of dispaly state
CN105096834B (en) * 2015-08-26 2017-05-17 京东方科技集团股份有限公司 Active-matrix organic light-emitting diode (AMOLED) display apparatus and brightness compensation method thereof
CN109643438A (en) 2016-10-06 2019-04-16 惠普发展公司，有限责任合伙企业 Adjust the manipulation frequency of display pixel
KR102618389B1 (en) * 2017-11-30 2023-12-27 엘지디스플레이 주식회사 Electroluminescence display and driving method thereof
CN108962110B (en) * 2018-08-09 2021-04-27 京东方科技集团股份有限公司 Method for acquiring charging rate of liquid crystal panel
CN109637499B (en) * 2019-01-17 2021-08-31 硅谷数模半导体（北京）有限公司 Method and device for controlling brightness of display panel
CN111445844B (en) * 2019-01-17 2021-09-21 奇景光电股份有限公司 Cumulative brightness compensation system and organic light emitting diode display
CN111554236A (en) * 2019-02-12 2020-08-18 陕西坤同半导体科技有限公司 Aging compensation data transmission device of organic light emitting diode display panel
CN109686306B (en) * 2019-03-05 2020-12-01 京东方科技集团股份有限公司 Compensation factor acquisition method and device, driving method and display device
CN110602496B (en) * 2019-08-29 2022-05-31 Tcl华星光电技术有限公司 Compression method of display system
US20210304673A1 (en) * 2020-03-31 2021-09-30 Apple Inc. Configurable pixel uniformity compensation for oled display non-uniformity compensation based on scaling factors
CN111462260B (en) * 2020-04-26 2024-01-30 芯颖科技有限公司 Mura compensation method and device of display panel and electronic equipment
CN114783375B (en) * 2022-03-31 2023-09-26 深圳市华星光电半导体显示技术有限公司 Pixel driving circuit, pixel driving method and display panel
CN114708828B (en) * 2022-04-29 2023-05-30 深圳市华星光电半导体显示技术有限公司 Pixel circuit and display panel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050007392A1 (en) * 2003-05-28 2005-01-13 Seiko Epson Corporation Electro-optical device, method of driving electro-optical device, and electronic apparatus
US20050280615A1 (en) * 2004-06-16 2005-12-22 Eastman Kodak Company Method and apparatus for uniformity and brightness correction in an oled display
CA2541531A1 (en) * 2005-04-12 2006-07-19 Ignis Innovation Inc. Method and system for compensation of non-uniformities in light emitting device displays
US20090146926A1 (en) * 2007-12-05 2009-06-11 Si-Duk Sung Driving apparatus and driving method for an organic light emitting device
US20100225630A1 (en) * 2009-03-03 2010-09-09 Levey Charles I Electroluminescent subpixel compensated drive signal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2504571A1 (en) * 2005-04-12 2006-10-12 Ignis Innovation Inc. A fast method for compensation of non-uniformities in oled displays

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050007392A1 (en) * 2003-05-28 2005-01-13 Seiko Epson Corporation Electro-optical device, method of driving electro-optical device, and electronic apparatus
US20050280615A1 (en) * 2004-06-16 2005-12-22 Eastman Kodak Company Method and apparatus for uniformity and brightness correction in an oled display
CA2541531A1 (en) * 2005-04-12 2006-07-19 Ignis Innovation Inc. Method and system for compensation of non-uniformities in light emitting device displays
US20090146926A1 (en) * 2007-12-05 2009-06-11 Si-Duk Sung Driving apparatus and driving method for an organic light emitting device
US20100225630A1 (en) * 2009-03-03 2010-09-09 Levey Charles I Electroluminescent subpixel compensated drive signal

Also Published As

Publication number Publication date
EP2453433A2 (en) 2012-05-16
CN102663976B (en) 2016-06-29
EP2453433B1 (en) 2018-10-10
CN105845083A (en) 2016-08-10
CN102663976A (en) 2012-09-12
CN105845083B (en) 2018-09-04

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