KR20060113194A - 유기 전계발광 표시장치 - Google Patents
유기 전계발광 표시장치 Download PDFInfo
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- KR20060113194A KR20060113194A KR1020050036116A KR20050036116A KR20060113194A KR 20060113194 A KR20060113194 A KR 20060113194A KR 1020050036116 A KR1020050036116 A KR 1020050036116A KR 20050036116 A KR20050036116 A KR 20050036116A KR 20060113194 A KR20060113194 A KR 20060113194A
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- 238000005401 electroluminescence Methods 0.000 title abstract 3
- 239000003990 capacitor Substances 0.000 claims abstract description 22
- 238000010586 diagram Methods 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009125 cardiac resynchronization therapy Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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]
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of El Displays (AREA)
Abstract
Description
Claims (5)
- 데이터 신호를 전달하는 다수의 데이터 라인과, 상기 다수의 데이터 라인과 교차하도록 배열되어 게이트 신호를 전달하는 다수의 게이트 라인과, 상기 다수의 데이터 라인과 상기 다수의 게이트 라인에 의해 형성된 다수의 화소를 포함하는 유기 전계발광 표시장치에 있어서,상기 각 화소는,드레인 단자가 상기 데이터 라인에 연결되고, 게이트 단자가 상기 게이트 라인에 연결된 제 1 스위칭 트랜지스터;소스 단자가 상기 제 1 스위칭 트랜지스터의 소스 단자와 연결되며, 게이트 단자로 이전 화소의 게이트 신호를 수신하는 제 2 스위칭 트랜지스터;상기 제 1 및 제 2 스위칭 트랜지스터의 소스 단자와 일단이 연결된 캐패시터;소스 단자가 상기 제 2 스위칭 트랜지스터의 드레인 단자와 연결되며, 드레인 단자로 외부전압을 수신하고, 게이트 단자로 제어신호를 수신하는 제 3 스위칭 트랜지스터;드레인 단자가 상기 제 3 스위칭 트랜지스터의 소스 단자와 연결되며, 게이트 단자가 상기 제 1 및 제 2 스위칭 트랜지스터의 공통 소스 단자와 연결된 구동 트랜지스터;드레인 단자가 상기 구동 트랜지스터의 소스 단자와 캐패시터의 일단이 연결 되며, 소스 단자가 접지 단자와 연결되고, 게이트 단자로 상기 이전 화소의 게이트 신호를 수신하는 제 4 스위칭 트랜지스터; 및상기 구동 트랜지스터의 소스 단자에 연결되고, 상기 구동 트랜지스터의 소스 단자에 흐르는 전류의 양에 따라 빛을 발광하는 유기 발광수단;을 구비한다.
- 제 1 항에 있어서,상기 제어신호는 상기 이전 화소의 게이트 신호 및 현재 화소의 게이트 신호가 인가될 경우 레벨이 천이하는 펄스 신호인 것을 특징으로 하는 유기 전계발광 표시장치.
- 제 2 항에 있어서,상기 제어신호는 상기 이전 화소의 게이트 신호가 인가되기 전까지, 일정 레벨을 유지하는 것을 특징으로 하는 유기 전계발광 표시장치.
- 제 2 항에 있어서,상기 제어신호는 상기 이전 화소의 게이트 신호가 인가되는 동안, 로우레벨을 유지하며, 상기 현재 화소의 게이트 신호가 인가될 경우, 하이레벨을 유지하는 것을 특징으로 하는 유기 전계발광 표시장치.
- 제 1 항에 있어서,상기 캐패시터는 상기 이전 화소의 게이트 신호가 인가되는 동안, 상기 구동 트랜지스터의 문턱전압 만큼의 전하를 충전하며, 현재 화소의 게이트 신호가 인가되면, 상기 데이터 신호 만큼의 전하를 더 충전하는 것을 특징으로 하는 유기 전계발광 표시장치.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050036116A KR100719924B1 (ko) | 2005-04-29 | 2005-04-29 | 유기 전계발광 표시장치 |
US11/266,120 US7561128B2 (en) | 2005-04-29 | 2005-11-03 | Organic electroluminescence display device |
TW094138692A TW200638306A (en) | 2005-04-29 | 2005-11-04 | Organic electroluminescence display device |
CN200510124860A CN100595820C (zh) | 2005-04-29 | 2005-11-23 | 有机电场发光显示装置 |
JP2006017165A JP2006309149A (ja) | 2005-04-29 | 2006-01-26 | 有機電界発光表示装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050036116A KR100719924B1 (ko) | 2005-04-29 | 2005-04-29 | 유기 전계발광 표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060113194A true KR20060113194A (ko) | 2006-11-02 |
KR100719924B1 KR100719924B1 (ko) | 2007-05-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020050036116A KR100719924B1 (ko) | 2005-04-29 | 2005-04-29 | 유기 전계발광 표시장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7561128B2 (ko) |
JP (1) | JP2006309149A (ko) |
KR (1) | KR100719924B1 (ko) |
CN (1) | CN100595820C (ko) |
TW (1) | TW200638306A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8482495B2 (en) | 2007-12-06 | 2013-07-09 | Samsung Display Co., Ltd. | Pixel and organic light emitting display having a compensation unit |
US8749460B2 (en) | 2008-08-27 | 2014-06-10 | Japan Display Inc. | Image display device having a reset switch for setting a potential of a capacitor to a predetermined reference state |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1793366A3 (en) | 2005-12-02 | 2009-11-04 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, display device, and electronic device |
JP2007316454A (ja) * | 2006-05-29 | 2007-12-06 | Sony Corp | 画像表示装置 |
JP5665256B2 (ja) * | 2006-12-20 | 2015-02-04 | キヤノン株式会社 | 発光表示デバイス |
JP2008203478A (ja) * | 2007-02-20 | 2008-09-04 | Sony Corp | 表示装置とその駆動方法 |
JP2008309910A (ja) * | 2007-06-13 | 2008-12-25 | Sony Corp | 表示装置、表示装置の駆動方法および電子機器 |
US7852301B2 (en) * | 2007-10-12 | 2010-12-14 | Himax Technologies Limited | Pixel circuit |
KR20100009219A (ko) * | 2008-07-18 | 2010-01-27 | 삼성모바일디스플레이주식회사 | 화소 및 이를 이용한 유기전계발광 표시장치 |
JP5657198B2 (ja) * | 2008-08-07 | 2015-01-21 | グローバル・オーエルイーディー・テクノロジー・リミテッド・ライアビリティ・カンパニーGlobal Oled Technology Llc. | 表示装置 |
KR101498094B1 (ko) | 2008-09-29 | 2015-03-05 | 삼성디스플레이 주식회사 | 표시 장치 및 그 구동 방법 |
KR101269000B1 (ko) * | 2008-12-24 | 2013-05-29 | 엘지디스플레이 주식회사 | 유기전계 발광 디스플레이 장치 및 그 구동방법 |
US9047815B2 (en) * | 2009-02-27 | 2015-06-02 | Semiconductor Energy Laboratory Co., Ltd. | Method for driving semiconductor device |
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KR100515299B1 (ko) * | 2003-04-30 | 2005-09-15 | 삼성에스디아이 주식회사 | 화상 표시 장치와 그 표시 패널 및 구동 방법 |
KR100560780B1 (ko) * | 2003-07-07 | 2006-03-13 | 삼성에스디아이 주식회사 | 유기전계 발광표시장치의 화소회로 및 그의 구동방법 |
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US8482495B2 (en) | 2007-12-06 | 2013-07-09 | Samsung Display Co., Ltd. | Pixel and organic light emitting display having a compensation unit |
US8749460B2 (en) | 2008-08-27 | 2014-06-10 | Japan Display Inc. | Image display device having a reset switch for setting a potential of a capacitor to a predetermined reference state |
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CN1855198A (zh) | 2006-11-01 |
CN100595820C (zh) | 2010-03-24 |
TW200638306A (en) | 2006-11-01 |
US7561128B2 (en) | 2009-07-14 |
KR100719924B1 (ko) | 2007-05-18 |
US20060244688A1 (en) | 2006-11-02 |
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