KR100698349B1 - 표시장치 - Google Patents
표시장치 Download PDFInfo
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- KR100698349B1 KR100698349B1 KR1020040046353A KR20040046353A KR100698349B1 KR 100698349 B1 KR100698349 B1 KR 100698349B1 KR 1020040046353 A KR1020040046353 A KR 1020040046353A KR 20040046353 A KR20040046353 A KR 20040046353A KR 100698349 B1 KR100698349 B1 KR 100698349B1
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- H—ELECTRICITY
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- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
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- H10K2102/302—Details of OLEDs of OLED structures
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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Abstract
Description
Claims (27)
- 기판상에 배열된 투명한 복수의 화소전극과,각각의 상기 화소전극상에 형성된 EL층과,상기 EL층상에 형성되고, 상기 EL층의 발광하는 파장역의 적어도 일부를 투과하는 성질을 갖는 대향전극과,상기 복수의 화소전극간에 겹치도록 하여 상기 대향전극과 접속된 보조전극과,상기 화소전극의 아래에 배치되고, 상기 EL층의 발광의 적어도 일부의 빛을 공진하는 공진기를 갖는 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 보조전극은 상기 대향전극보다 저항률이 낮은 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 보조전극은 차광성을 갖는 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 EL층의 발광을 출사하는 측이 상기 대향전극측인 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 보조전극에 겹치도록 하여 상기 보조전극상에 형성된 차광성 마스크를 추가로 구비하는 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 보조전극이 상기 복수의 화소전극간의 영역 전체에 겹치도록 메시상으로 형성되어 있는 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 복수의 화소전극이 매트릭스상으로 배열되고, 상기 보조전극이 가로방향에 이웃하는 화소전극간 또는 세로방향에 이웃하는 화소전극간에 겹치도록 스트라이프상으로 형성되어 있는 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 공진기는 상기 화소전극의 아래에 배치된 반반사층과, 상기 반반사층과 접하도록 상기 반반사층의 아래에 형성된 투명층과, 상기 투명층과 접하도록 상기 투명층의 아래에 형성된 반사층을 구비하고, 광투과율이 상기 투명층, 상기 반반사층, 상기 반사층의 차례로 높으며, 광반사율이 상기 반사층, 상기 반반사층, 상기 투명층의 차례로 높고, 상기 화소전극이 투명한 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,상기 화소전극과 접하도록 상기 화소전극의 아래에 형성된 투명층과, 상기 투명층과 접하도록 상기 투명층의 아래에 형성된 반사층을 추가로 구비하고, 광투과율이 상기 투명층, 상기 화소전극, 상기 반사층의 차례로 높으며, 광반사율이 상기 반사층, 상기 화소전극, 상기 투명층의 차례로 높은 것을 특징으로 하는 표시장치.
- 제 1 항에 있어서,전류선과,선택기간 중에 상기 전류선에 소정의 전류값의 기억전류를 흘리고, 비선택기간 중에 상기 전류선에 전류를 흘리는 것을 정지하는 스위치회로와,상기 선택기간 중에 상기 전류선을 통하여 흐르는 상기 기억전류의 전류값에 따른 전류데이터를 기억하고, 상기 선택기간 중에 기억된 상기 전류데이터에 따라서 상기 기억전류와 실질적으로 동등한 전류값의 표시전류를 상기 비선택기간 중에 상기 화소전극을 통하여 상기 EL층에 공급하는 복수의 전류기억회로를 추가로 갖는 것을 특징으로 하는 표시장치.
- 제 10 항에 있어서,상기 전류기억회로는 상기 EL층에 상기 표시전류를 흘리는 전류제어용 트랜지스터를 갖는 것을 특징으로 하는 표시장치.
- 제 10 항에 있어서,상기 스위치회로는 전류로의 일단이 상기 전류선에 접속되고, 상기 선택기간 중에 상기 기억전류를 상기 전류선에 흘리며, 그리고 상기 비선택기간 중에 상기 표시전류를 상기 전류선에 흘리는 것을 정지하는 전류경로제어용 트랜지스터를 갖는 것을 특징으로 하는 표시장치.
- 제 10 항에 있어서,상기 스위치회로는 상기 전류기억회로로의 상기 전류데이터의 기입을 제어하는 전류데이터기입제어용 트랜지스터를 갖는 것을 특징으로 하는 표시장치.
- 기판상에 배열된 투명한 복수의 화소전극과,상기 화소전극에 접속하도록 해당 화소전극의 주위에 설치되고, 또한 해당 화소전극에 인접하는 화소전극과 이간한 보조전극과,각각의 상기 화소전극상에 형성된 EL층과,상기 EL층상에 형성되고, 상기 EL층의 발광하는 파장역의 적어도 일부를 투과하는 성질을 갖는 대향전극과,상기 화소전극의 아래에 배치되고, 상기 EL층의 발광의 적어도 일부의 빛을 공진하는 공진기를 갖는 것을 특징으로 하는 표시장치.
- 기판상에 배열된 투명한 복수의 화소전극과,각각의 상기 화소전극상에 형성된 EL층과,상기 EL층상에 형성되고, 상기 EL층의 발광하는 파장역의 적어도 일부를 투과하는 성질을 갖는 대향전극과,상기 복수의 화소전극간에 겹치도록 하여 상기 대향전극과 접속된 보조전극과,전류선과,선택기간 중에 상기 전류선에 소정의 전류값의 기억전류를 흘리고, 비선택기간 중에 상기 전류선에 전류를 흘리는 것을 정지하는 스위치회로와,상기 선택기간 중에 상기 전류선을 통하여 흐르는 상기 기억전류의 전류값에 따른 전류데이터를 기억하고, 상기 선택기간 중에 기억된 상기 전류데이터에 따라서 상기 기억전류와 실질적으로 동등한 전류값의 표시전류를 상기 비선택기간 중에 상기 화소전극을 통하여 상기 EL층에 공급하는 복수의 전류기억회로와,상기 화소전극의 아래에 배치된 반반사층과, 상기 반반사층과 접하도록 상기 반반사층의 아래에 형성된 투명층과, 상기 투명층과 접하도록 상기 투명층의 아래에 형성된 반사층을 구비하며, 상기 EL층의 발광의 적어도 일부의 빛을 공진하는 공진기를 갖는 것을 특징으로 하는 표시장치.
- 제 15 항에 있어서,상기 전류기억회로는 상기 EL층에 상기 표시전류를 흘리는 전류제어용 트랜지스터를 갖는 것을 특징으로 하는 표시장치.
- 제 15 항에 있어서,상기 전류기억회로는 상기 전류제어용 트랜지스터의 게이트-소스간에 설치되고, 또한 상기 전류데이터로서 전하가 기입되는 커패시터를 갖는 것을 특징으로 하는 표시장치.
- 제 15 항에 있어서,상기 스위치회로는 전류로의 일단이 상기 전류선에 접속되고, 상기 선택기간 중에 상기 기억전류를 상기 전류선에 흘리며, 그리고 상기 비선택기간 중에 상기 표시전류를 상기 전류선에 흘리는 것을 정지하는 전류경로제어용 트랜지스터를 갖는 것을 특징으로 하는 표시장치.
- 제 15 항에 있어서,상기 스위치회로는 상기 전류기억회로로의 상기 전류데이터의 기입을 제어하는 전류데이터기입제어용 트랜지스터를 갖는 것을 특징으로 하는 표시장치.
- 제 15 항에 있어서,상기 선택기간 중에 상기 전류기억회로로부터 상기 전류선을 향하여 상기 기억전류를 흘리는 데이터드라이버를 추가로 갖는 것을 특징으로 하는 표시장치.
- 제 15 항에 있어서,상기 전류기억회로에 접속되고, 상기 EL층에 상기 표시전류를 흘리기 위한 전압이 출력되는 표시전압주사선을 추가로 갖는 것을 특징으로 하는 표시장치.
- 제 21 항에 있어서,상기 전류기억회로는 전류로의 일단이 상기 EL층에 접속되고, 상기 전류로의 타단이 상기 표시전압주사선에 접속되어 있는 것을 특징으로 하는 표시장치.
- 제 22 항에 있어서,상기 선택기간 중에 상기 기억전류를 상기 전류기억회로에 흘리기 위한 전압을 상기 표시전압주사선을 통하여 상기 전류기억회로에 인가하고,상기 선택기간 중에 상기 전류기억회로에 기억된 전류데이터에 따라서 상기 선택기간 중에 상기 전류기억회로에 흐른 상기 기억전류에 실질적으로 동등한 전류값의 상기 표시전류를 상기 EL층에 공급하기 위한 전압을 상기 비선택기간 중에 상기 표시전압주사선을 통하여 상기 전류기억회로에 인가하는 전압전원드라이버를 추가로 갖는 것을 특징으로 하는 표시장치.
- 제 23 항에 있어서,상기 화소전극은 상기 전류기억회로에 접속되고, 상기 대향전극은 정전압원에 접속되며,상기 전압전원드라이버는,상기 선택기간에 상기 정전압원의 전위 이하의 전압을 출력하고,상기 비선택기간에, 상기 선택기간에 출력하는 전압 이상이고, 또한 상기 정전압원의 전위보다 높은 전압을 출력하는 것을 특징으로 하는 표시장치.
- 제 15 항에 있어서,상기 스위치회로를 선택하는 선택주사신호가 출력되는 선택주사선을 추가로 갖는 것을 특징으로 하는 표시장치.
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US20040263441A1 (en) | 2004-12-30 |
TWI263183B (en) | 2006-10-01 |
TW200509017A (en) | 2005-03-01 |
CN100585909C (zh) | 2010-01-27 |
JP2005019211A (ja) | 2005-01-20 |
CN1578571A (zh) | 2005-02-09 |
KR20050001343A (ko) | 2005-01-06 |
US7580014B2 (en) | 2009-08-25 |
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