KR100796651B1 - 발광 표시 장치 및 그 구동 방법 - Google Patents
발광 표시 장치 및 그 구동 방법 Download PDFInfo
- Publication number
- KR100796651B1 KR100796651B1 KR1020040072092A KR20040072092A KR100796651B1 KR 100796651 B1 KR100796651 B1 KR 100796651B1 KR 1020040072092 A KR1020040072092 A KR 1020040072092A KR 20040072092 A KR20040072092 A KR 20040072092A KR 100796651 B1 KR100796651 B1 KR 100796651B1
- Authority
- KR
- South Korea
- Prior art keywords
- light emitting
- data
- gamma correction
- use time
- correction value
- Prior art date
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- 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]
- G09G3/3275—Details of drivers for data electrodes
- G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
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- 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
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- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of El Displays (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (4)
- 선택 신호를 전달하는 복수의 주사선, 데이터신호를 전달하는 복수의 데이터선, 상기 주사선과 상기 데이터선에 각각 연결되는 복수의 화소 회로가 구비된 표시부에 영상을 표시하는 발광 표시 장치에 있어서,상기 표시부의 사용시간을 측정하여 일정한 시간마다 측정신호를 출력하는 사용시간측정부;상기 측정신호에 대응하는 감마보정값을 출력하는 제어부; 및상기 감마보정값에 기초하여 각 계조레벨에 대응하는 계조전압을 생성하고, 생성한 상기 계조전압에 기초하여 감마 보정된 데이터신호를 생성하며 이를 상기 해당하는 데이터선에 인가하는 데이터구동부를 포함하는 발광 표시 장치.
- 삭제
- 삭제
- 복수의 발광소자가 발광하여 영상을 표시하는 발광 표시 장치의 구동 방법에 있어서,a) 상기 발광 표시 장치의 사용시간을 측정하는 단계;b) 상기 측정된 사용시간에 대응하는 감마 보정값을 결정하는 단계;c) 상기 결정된 감마 보정값에 기초하여 각 계조레벨에 대응하는 계조전압을 생성하는 단계; 및d) 상기 계조전압에 기초하여 감마 보정된 데이터신호를 생성하는 단계를 포함하는 를 포함하는 발광 표시 장치의 구동 방법.
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Application Number | Priority Date | Filing Date | Title |
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KR1020040072092A KR100796651B1 (ko) | 2004-09-09 | 2004-09-09 | 발광 표시 장치 및 그 구동 방법 |
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KR1020040072092A KR100796651B1 (ko) | 2004-09-09 | 2004-09-09 | 발광 표시 장치 및 그 구동 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20060023298A KR20060023298A (ko) | 2006-03-14 |
KR100796651B1 true KR100796651B1 (ko) | 2008-01-22 |
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KR1020040072092A KR100796651B1 (ko) | 2004-09-09 | 2004-09-09 | 발광 표시 장치 및 그 구동 방법 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100826058B1 (ko) * | 2006-12-07 | 2008-04-28 | 리디스 테크놀로지 인코포레이티드 | 유기발광장치의 구동용 집적회로 및 그의 구동방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11282420A (ja) * | 1998-03-31 | 1999-10-15 | Sanyo Electric Co Ltd | エレクトロルミネッセンス表示装置 |
JP2002091373A (ja) * | 2000-09-20 | 2002-03-27 | Fujitsu General Ltd | 表示器の焼付防止装置 |
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- 2004-09-09 KR KR1020040072092A patent/KR100796651B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11282420A (ja) * | 1998-03-31 | 1999-10-15 | Sanyo Electric Co Ltd | エレクトロルミネッセンス表示装置 |
JP2002091373A (ja) * | 2000-09-20 | 2002-03-27 | Fujitsu General Ltd | 表示器の焼付防止装置 |
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KR20060023298A (ko) | 2006-03-14 |
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