KR100528692B1 - 유기전계발광소자용 에이징 회로 및 그 구동방법 - Google Patents
유기전계발광소자용 에이징 회로 및 그 구동방법 Download PDFInfo
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- KR100528692B1 KR100528692B1 KR10-2002-0050880A KR20020050880A KR100528692B1 KR 100528692 B1 KR100528692 B1 KR 100528692B1 KR 20020050880 A KR20020050880 A KR 20020050880A KR 100528692 B1 KR100528692 B1 KR 100528692B1
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- 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
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- 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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- 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
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- G—PHYSICS
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- 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
- G09G3/3283—Details of drivers for data electrodes in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements
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- 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
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- 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
- 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
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- G09G2300/00—Aspects of the constitution of display devices
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- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0254—Control of polarity reversal in general, other than for liquid crystal displays
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09G2310/0264—Details of driving circuits
- G09G2310/0297—Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns
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Abstract
Description
Claims (17)
- 컬럼라인들과 로우라인들 사이의 화소영역에 형성된 전계발광셀, 상기 컬럼라인들과 로우라인들 교차부에 형성되어 스위칭 역할을 하는 제1 스위치 소자, 셀구동전압원과 상기 전계발광셀 사이에 형성되어 상기 전계발광셀을 구동하기 위한 제2 스위치 소자, 상기 제1 및 제2 스위치 소자 사이에 접속된 캐패시터를 구비하는 다수의 화소들과;0V와 소정의 각각 다른 부극성 전압 사이에서 스위칭 되는 제1 및 제2 에이징 교류전압원, 상기 제1 에이징 교류전압원과 제1 스위치소자의 게이트단자 사이에 접속된 제1 에이징 스위치 소자, 상기 제2 에이징 교류전압원과 제1 스위치소자의 소스단자 사이에 접속된 제2 에이징 스위치 소자, 상기 제1 및 제2 에이징 스위치 소자를 턴-온 시키기 위한 제3 에이징 교류전압원을 구비하여 상기 다수의 화소들에 0V와 부극성 전압 사이의 에이징 교류전압펄스를 인가하는 에이징 회로부를 구비하는 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 제 1 항에 있어서,상기 전계발광셀의 음극단은 0V 이상의 셀지지전압원과 접속되는 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 삭제
- 제 2 항에 있어서,상기 셀구동전압원과 셀지지전압원 사이의 공급전압차는 -15V인 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 제 4 항에 있어서,상기 셀구동전압원의 공급전압은 -5V이고,상기 셀지지전압원의 공급전압은 +10V인 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 제 5 항에 있어서,상기 제1 내지 제3 에이징 교류전압원은 교류 전압펄스형태로 인가되며,셀구동전압원> 제2 에이징 교류전압원> 제1 에이징 교류전압원> 제3 에이징 교류전압원의 공급전압 대소관계를 가지는 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 제 6 항에 있어서,상기 제2 에이징 교류전압은 -10V이며,상기 제1 에이징 교류전압은 -15V이고,상기 제3 에이징 교류전압은 -20V인 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 제 1 항에 있어서,상기 화소들 각각은,상기 컬럼라인들과 로우라인들 사이의 화소영역에 형성된 전계발광셀과,셀구동전압원과 상기 전계발광셀 사이에 형성되어 전계발광셀을 구동하기 위한 제1 스위치 소자와,상기 제1 스위치 소자와 전류미러를 형성하도록 셀구동전압원에 접속된 제2 스위치 소자와,상기 제2 스위치 소자, 컬럼라인 및 로우라인에 접속되어 상기 로우라인 상의 신호에 응답되는 제3 스위치 소자와,상기 제1 및 제2 스위치 소자의 게이트단자와 상기 제3 스위치 소자 사이에 접속되어 상기 로우라인 상의 신호에 응답되는 제4 스위치 소자와,상기 셀구동전압원과 상기 제1 및 제2 스위치 소자의 게이트단자 사이에 접속된 캐패시터를 구비하며,상기 전계발광셀의 음극단은 0V 이상의 셀지지전압원에 접속되는 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 제 8 항에 있어서,상기 스위칭 수단은,0V와 소정의 각각 다른 부극성 전압 사이에서 스위칭 되는 제1 및 제2 에이징 교류전압원과,상기 제1 에이징 교류전압원과 제3 스위치 소자의 게이트단자 사이에 접속된 제1 에이징 스위치 소자와,상기 제1 에이징 교류전압원과 제4 스위치 소자의 게이트단자 사이에 접속된 제2 에이징 스위치 소자와,상기 제2 에이징 교류전압원과 제3 스위치 소자의 소스단자 사이에 접속된 제3 에이징 스위치 소자와,상기 제1 내지 제3 에이징 스위치 소자를 동시에 턴-온 시키기 위한 제3 에이징 교류전압원을 구비하는 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 제 9 항에 있어서,상기 셀구동전압원과 셀지지전압원 사이의 공급전압차는 -15V인 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 제 10 항에 있어서,상기 셀구동전압원의 공급전압은 -5V이고,상기 셀지지전압원의 공급전압은 +10V인 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 제 11 항에 있어서,상기 제1 내지 제3 에이징 교류전압원은 교류 전압펄스형태로 인가되며,셀구동전압원> 제2 에이징 교류전압원> 제1 에이징 교류전압원> 제3 에이징 교류전압원의 공급전압 대소관계를 가지는 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 제 12 항에 있어서,상기 제2 에이징 교류전압은 -10V이며,상기 제1 에이징 교류전압은 -15V이고,상기 제3 에이징 교류전압은 -20V인 것을 특징으로 하는 유기전계발광소자용 에이징 회로.
- 유기전계발광소자의 화소들 소정의 에이징 전압을 인가하여 에이징하는 방법에 있어서,상기 화소들에 0V와 부극성 전압 사이의 교류 전압펄스로 인가되는 다수의 에이징 교류 전압을 인가하는 단계와,상기 에이징 교류전압에 의해 형성된 전류 패스에 대응되는 크기로 상기 화소를 에이징하는 단계를 포함하는 것을 특징으로 하는 유기전계발광소자의 구동방법.
- 제 14 항에 있어서,상기 전계발광셀의 발광은 상기 전류 패스에 대응한 셀구동전압원과 셀지지전압원 사이의 전압차에 의한 것을 특징으로 하는 유기전계발광소자의 구동방법.
- 제 15 항에 있어서,상기 셀지지전압원은 0V 이상의 정극성 전압을 인가하고,상기 셀구동전압원 부극성 전압을 인가하며;상기 셀지지전압원과 15V의 공급전압차이를 가지는 것을 특징으로 하는 유기전계발광소자용 에이징 회로의 구동방법.
- 제 15 항에 있어서,상기 다수의 에이징 교류전압원은 상기 셀구동전압원보다 낮은 전압을 공급하는 것을 특징으로 하는 유기전계발광소자용 에이징 회로의 구동방법.
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US10/606,768 US7148629B2 (en) | 2002-08-27 | 2003-06-27 | Aging circuit for organic electro luminescence device and driving method thereof |
CNB031467180A CN1306278C (zh) | 2002-08-27 | 2003-07-09 | 用于有机电致发光器件的老化电路及其驱动方法 |
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Also Published As
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US7148629B2 (en) | 2006-12-12 |
CN1479110A (zh) | 2004-03-03 |
CN1306278C (zh) | 2007-03-21 |
US20040051469A1 (en) | 2004-03-18 |
KR20040019208A (ko) | 2004-03-05 |
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