KR20100078861A - 박막트랜지스터, 그의 제조방법 및 이를 포함하는 유기전계발광표시장치 - Google Patents
박막트랜지스터, 그의 제조방법 및 이를 포함하는 유기전계발광표시장치 Download PDFInfo
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Abstract
Description
Claims (11)
- 기판;상기 기판 상에 위치하며, 제 1 금속촉매 결정화 영역으로 이루어진 채널영역 및 제 1 금속촉매 결정화영역과 제 2 금속촉매 결정화 영역을 포함하는 소스/드레인 영역으로 이루어진 반도체층;상기 반도체층의 채널영역에 대응하게 위치하는 게이트 전극;상기 반도체층과 상기 게이트 전극을 절연시키기 위하여 상기 반도체층과 상기 게이트 전극 사이에 위치하는 게이트 절연막; 및상기 게이트 전극과 절연되며, 상기 콘택층을 통하여 상기 소스/드레인 영역과 전기적으로 각각 연결되는 소스/드레인 전극을 포함하는 것을 특징으로 하는 박막트랜지스터.
- 제 1항에 있어서,제 1 금속촉매 결정화 영역 및 제 2 금속촉매 결정화 영역은 결정립이 상이한 것을 특징으로 하는 박막트랜지스터.
- 제 1항에 있어서,상기 소스/드레인 전극의 상부 또는 하부에 절연막을 포함하는 것을 특징으로 하는 박막트랜지스터.
- 기판을 형성하고,제 1 금속촉매 결정화 영역으로 이루어진 채널영역 및 제 1 금속촉매 결정화영역과 제 2 금속촉매 결정화 영역으로 포함하는 소스/드레인 영역으로 이루어진 반도체층을 형성하고,상기 반도체층의 채널영역에 대응하게 위치하는 게이트 전극을 형성하고,상기 반도체층과 상기 게이트 전극을 절연시키기 위하여 상기 반도체층과 상기 게이트 전극 사이에 위치하는 게이트 절연막을 형성하고,상기 소스/드레인 영역과 전기적으로 각각 연결되는 소스/드레인 전극을 형성하는 것을 포함하는 박막트랜지스터의 제조방법.
- 제 4항에 있어서,상기 제 1 금속촉매 결정화 영역은 상기 제 1 비정질 실리콘층 상에 캡핑층과 금속촉매층을 형성한 후, 열처리하여 형성하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 4항에 있어서,상기 제 2 금속촉매 결정화 영역은 상기 제 1 금속촉매 결정화 영역 상에 제 2 비정질 실리콘층을 형성한 후, 열처리하여 형성하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 5항에 있어서,상기 금속촉매층은 Ni, Pd, Ag, Au, Al, Sn, Sb, Cu, Tr, 및 Cd로 이루어진 군에서 선택되는 어느 하나를 사용하여 형성하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 4항에 있어서,상기 반도체층의 제 1 금속촉매 결정화 영역은 상기 제 2 금속촉매 결정화 영역 보다 작게 패터닝하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 4항에 있어서,상기 제 1 금속촉매 결정화 영역은 상기 제 2 금속촉매 결정화 영역을 하부에 포함하도록 형성하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 4항에 있어서,상기 게이트 전극 상부에는 제 2 금속촉매 결정화 영역만 위치하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 기판;상기 기판 상에 위치하며, 제 1 금속촉매 결정화 영역으로 이루어진 채널영역 및 제 1 금속촉매 결정화영역과 제 2 금속촉매 결정화 영역을 포함하는 소스/드레인 영역으로 이루어진 반도체층;상기 반도체층의 채널영역에 대응하게 위치하는 게이트 전극;상기 반도체층과 상기 게이트 전극을 절연시키기 위하여 상기 반도체층과 상기 게이트 전극 사이에 위치하는 게이트 절연막;상기 게이트 전극과 절연되며, 상기 콘택층을 통하여 상기 소스/드레인 영역과 전기적으로 각각 연결되는 소스/드레인 전극;상기 소스/드레인 전극과 전기적으로 연결되는 제 1 전극, 유기막층 및 제 2 전극을 포함하는 것을 특징으로 하는 유기전계발광표시장치.
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