KR20060107930A - 전기 광학 장치 및 그 제조 방법, 및 전자 기기 - Google Patents
전기 광학 장치 및 그 제조 방법, 및 전자 기기 Download PDFInfo
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- KR20060107930A KR20060107930A KR1020060032306A KR20060032306A KR20060107930A KR 20060107930 A KR20060107930 A KR 20060107930A KR 1020060032306 A KR1020060032306 A KR 1020060032306A KR 20060032306 A KR20060032306 A KR 20060032306A KR 20060107930 A KR20060107930 A KR 20060107930A
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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Abstract
Description
Claims (14)
- 기판상에, 서로 교차하여 연장되는 데이터선 및 주사선;상기 기판상에서 상기 데이터선보다 하층측에 배치된 박막 트랜지스터;상기 기판상에서 평면적으로 보아 상기 박막 트랜지스터의 채널 영역에 대향하는 영역을 포함하는 영역에 배치되고, 상기 데이터선보다 상층측에 배치되고, 화소 전위측 전극, 유전체막, 및 고정 전위측 전극이 하층측부터 순서대로 적층된 축적 용량; 및상기 기판상에서 평면적으로 보아 상기 데이터선 및 상기 주사선에 대응하여 규정되는 화소마다 배치되고, 상기 축적 용량보다 상층측에 배치되고, 상기 화소 전위측 전극 및 상기 박막 트랜지스터에 전기적으로 접속된 화소 전극을 구비하고,상기 고정 전위측 전극 및 상기 화소 전위측 전극의 적어도 한 쪽은, 제 1 도전성 차광막을 포함하여 이루어지는 것을 특징으로 하는 전기 광학 장치.
- 제 1 항에 있어서,상기 박막 트랜지스터는, 상기 기판상에서 평면적으로 보아 상기 데이터선 및 상기 주사선의 교차에 대응하고, 상기 데이터선에 의해 상기 채널 영역이 적어도 부분적으로 덮이도록 배치되고,상기 데이터선은, 제 2 도전성 차광막을 포함하여 이루어지는 것을 특징으로 하는 전기 광학 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 주사선은, 상기 기판상에서 평면적으로 보아 상기 채널 영역에 대향하는 영역을 포함하는 영역에 배치되고, 상기 기판상에서 상기 박막 트랜지스터의 하층측에 배치되며, 상기 박막 트랜지스터의 게이트에 컨택트홀을 통하여 접속되고, 제 3 도전성 차광막을 포함하여 이루어지는 것을 특징으로 하는 전기 광학 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 기판상에서, 상기 주사선, 상기 박막 트랜지스터, 상기 데이터선, 상기 축적 용량, 및 상기 화소 전극의 층간 중 적어도 일 지점에는, 평탄화 처리가 실행된 층간 절연막이 적층되는 것을 특징으로 하는 전기 광학 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 유전체막은, 상기 기판상에서 평면적으로 보아 상기 화소마다의 개구 영역의 간극에 위치하는 비개구 영역에 형성되는 것을 특징으로 하는 전기 광학 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 유전체막은, 상기 기판상에서 평면적으로 보아 상기 화소마다의 개구 영역을 제외한 영역에 형성되는 것을 특징으로 하는 전기 광학 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 데이터선에서의 상기 채널 영역에 대향하는 측에는, 상기 데이터선의 본체를 구성하는 도전막에 비하여 반사율이 낮은 도전막이 형성되는 것을 특징으로 하는 전기 광학 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 화소 전위측 전극에서의, 적어도 상기 고정 전위측 전극에 상기 유전체막을 개재시켜 대향하는 가장자리는, 테이퍼 (taper) 형상인 것을 특징으로 하는 전기 광학 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 고정 전위측 전극은, 상기 기판상에서 평면적으로 보아, 상기 화소 전위측 전극이 형성되는 영역에 포함되는 영역에 형성되는 것을 특징으로 하는 전기 광학 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 기판상에, 상기 데이터선과 동일한 층의 도전막으로 형성되고, 상기 화소 전위측 전극과 상기 박막 트랜지스터의 드레인을 중계 접속하는 중계층을 더 구비하는 것을 특징으로 하는 전기 광학 장치.
- 제 10 항에 있어서,상기 화소 전극은, 상기 화소 전위측 전극의 연장부를 중계하고, 상기 중계층에 전기적으로 접속되는 것을 특징으로 하는 전기 광학 장치.
- 제 1 항 또는 제 2 항에 기재된 전기 광학 장치를 구비하여 이루어지는 것을 특징으로 하는 전자 기기.
- 기판상에, 서로 교차하여 연장되는 데이터선 및 주사선,상기 데이터선보다 하층측에 배치된 톱게이트형의 박막 트랜지스터,상기 데이터선보다 상층측에 배치된 축적 용량, 및상기 축적 용량보다 상층측에 배치된 화소 전극을 구비한 전기 광학 장치의 제조 방법으로서,상기 기판상에서 평면적으로 보아 상기 데이터선 및 상기 주사선의 교차에 대응하는 영역에, 상기 박막 트랜지스터를 형성하는 공정;상기 박막 트랜지스터보다 상층측에, 상기 데이터선을 형성하는 공정;상기 축적 용량을, 상기 기판상에서 평면적으로 보아 상기 박막 트랜지스터의 채널 영역에 대향하는 영역을 포함하는 영역에, 상기 데이터선보다 상층측에 화소 전위측 전극, 유전체막, 및 고정 전위측 전극이 순서대로 적층되도록, 또한 상기 고정 전위측 전극 및 상기 화소 전위측 전극의 적어도 한 쪽이 제 1 도전성 차 광막을 포함하여 이루어지도록, 형성하는 공정; 및상기 축적 용량상에, 상기 기판상에서 평면적으로 보아 상기 데이터선 및 상기 주사선에 대응하여 규정되는 화소마다, 상기 박막 트랜지스터 및 상기 화소 전위측 전극에 전기적으로 접속되도록, 상기 화소 전극을 형성하는 공정을 포함하는 것을 특징으로 하는 전기 광학 장치의 제조 방법.
- 제 13 항에 있어서,상기 축적 용량을 형성하는 공정은, 상기 화소 전위측 전극에서, 적어도 상기 고정 전위측 전극에 상기 유전체막을 사이에 두고 대향하는 가장자리에, 습식 에칭, 플라즈마 에칭 및 O2 클리닝 중 적어도 하나에 의해 테이퍼를 형성하는 공정을 포함하는 것을 특징으로 하는 전기 광학 장치의 제조 방법.
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