KR20070079334A - 발광장치 - Google Patents
발광장치 Download PDFInfo
- Publication number
- KR20070079334A KR20070079334A KR1020070060478A KR20070060478A KR20070079334A KR 20070079334 A KR20070079334 A KR 20070079334A KR 1020070060478 A KR1020070060478 A KR 1020070060478A KR 20070060478 A KR20070060478 A KR 20070060478A KR 20070079334 A KR20070079334 A KR 20070079334A
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- South Korea
- Prior art keywords
- electrode
- tft
- insulating film
- gate
- light emitting
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Classifications
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- H—ELECTRICITY
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Abstract
Description
Claims (10)
- 절연 표면 위의 적어도 하나의 박막트랜지스터;상기 박막트랜지스터 위의, 질화규소를 포함하는 제1 절연막;상기 제1 절연막 위의 평탄화 막;상기 제1 절연막 및 상기 평탄화 막에 형성된 콘택트 홀을 통해 상기 박막트랜지스터에 전기적으로 접속된 제1 전극;상기 평탄화 위에 형성되고 상기 제1 전극의 엣지(edge)부를 덮는, 유기 수지를 포함하는 제2 절연막;상기 제1 전극 위의, 유기 재료를 포함하는 발광소자; 및상기 발광소자 위의 제2 전극을 포함하고;상기 제2 절연막의 엣지부는 테이퍼(taper) 형상을 가지는 발광장치.
- 제1 박막트랜지스터를 포함하는 제1 화소;제2 박막트랜지스터를 포함하는 제2 화소;상기 제1 박막트랜지스터의 소스 영역과 드레인 영역 중 한쪽 영역 및 상기 제2 박막트랜지스터의 소스 영역과 드레인 영역 중 한쪽 영역에 전기적으로 접속된 전원 공급선;상기 제1 박막트랜지스터 위의, 질화규소를 포함하는 제1 절연막;상기 제1 절연막 위의 평탄화 막;상기 제1 절연막 및 상기 평탄화 막에 형성된 콘택트 홀을 통해 상기 제1 박막트랜지스터의 소스 영역과 드레인 영역 중 다른 한쪽 영역에 전기적으로 접속된 제1 전극;상기 평탄화 위에 형성되고 상기 제1 전극의 엣지부를 덮는, 유기 수지를 포함하는 제2 절연막;상기 제1 전극 위의, 유기 재료를 포함하는 발광소자; 및상기 발광소자 위의 제2 전극을 포함하고;상기 제2 절연막의 엣지부는 테이퍼 형상을 가지는 발광장치.
- 절연 표면 위의 적어도 하나의 박막트랜지스터;상기 박막트랜지스터 위의, 질화산화규소를 포함하는 제1 절연막;상기 제1 절연막 위의 평탄화 막;상기 제1 절연막 및 상기 평탄화 막에 형성된 콘택트 홀을 통해 상기 박막트랜지스터에 전기적으로 접속된 제1 전극;상기 평탄화 위에 형성되고 상기 제1 전극의 엣지부를 덮는, 유기 수지를 포함하는 제2 절연막;상기 제1 전극 위의, 유기 재료를 포함하는 발광소자; 및상기 발광소자 위의 제2 전극을 포함하고;상기 제2 절연막의 엣지부는 테이퍼 형상을 가지는 발광장치.
- 절연 표면 위의 적어도 하나의 박막트랜지스터;상기 박막트랜지스터 위의, 질화규소를 포함하는 제1 절연막;상기 제1 절연막 위의, 유기 수지를 포함하는 제2 절연막;상기 제1 절연막 및 상기 제2 절연막에 형성된 콘택트 홀을 통해 상기 박막트랜지스터에 전기적으로 접속된 제1 전극;상기 제2 절연막 위에 형성되고 상기 제1 전극의 엣지부를 덮는 제3 절연막;상기 제1 전극 위의, 유기 재료를 포함하는 발광소자; 및상기 발광소자 위의 제2 전극을 포함하고;상기 제3 절연막의 엣지부는 테이퍼 형상을 가지는 발광장치.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 평탄화 막이 폴리이미드, 폴리아미드, 아크릴 수지, 및 BCB(벤조시클로부텐)로 이루어진 군에서 선택된 유기 수지로 된 발광장치.
- 제 4 항에 있어서, 상기 제2 절연막에 포함되는 유기 수지가 폴리이미드, 폴리아미드, 아크릴 수지, 및 BCB(벤조시클로부텐)로 이루어진 군에서 선택된 어느 하나인 발광장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 상기 발광장치가, 퍼스널 컴퓨터, 비디오 카메라, 헤드 장착형 EL 표시장치, DVD, 및 휴대형 컴퓨터로 이루어 진 군에서 선택된 전자장치에 적용되는 발광장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 상기 테이퍼의 각도가 10∼60°인 발광장치.
- 제 1 항, 제 3 항, 제 4 항 중 어느 한 항에 있어서, 상기 발광장치가, 상기 제1 전극 및 상기 박막트랜지스터의 소스 영역과 드레인 영역 중 상기 한쪽 영역에 접속된 배선을 더 포함하고,상기 제1 전극은 상기 배선을 통해 상기 박막트랜지스터의 소스 영역과 드레인 영역 중 상기 한쪽 영역에 전기적으로 접속되어 있는 발광장치.
- 제 2 항에 있어서, 상기 발광장치가, 상기 제1 전극 및 상기 제1 박막트랜지스터의 소스 영역과 드레인 영역 중 상기 다른 한쪽 영역에 접속된 배선을 더 포함하고,상기 제1 전극은 상기 배선을 통해 상기 제1 박막트랜지스터의 소스 영역과 드레인 영역 중 상기 다른 한쪽 영역에 전기적으로 접속되어 있는 발광장치.
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Publication number | Priority date | Publication date | Assignee | Title |
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KR20170080745A (ko) * | 2015-12-30 | 2017-07-11 | 엘지디스플레이 주식회사 | 유기발광 다이오드 표시장치 |
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