KR102766447B1 - 낮은 굴절률 및 낮은 수증기 투과율을 갖는 수분 배리어 막 - Google Patents
낮은 굴절률 및 낮은 수증기 투과율을 갖는 수분 배리어 막 Download PDFInfo
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- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
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- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
Description
[0010] 도 1은 일 실시예에 따른 플라즈마 강화 화학 기상 증착 장치의 개략적인 단면도이다.
[0011] 도 2는 일 실시예에 따른, 박막 캡슐화 구조가 상부에 배치되어 있는 디스플레이 디바이스의 개략적인 단면도이다.
[0012] 도 3a 및 도 3b는 다양한 실시예들에 따른, 디스플레이 디바이스에서 이용되는 박막 트랜지스터들의 개략적인 단면도들을 예시한다.
[0013] 이해를 용이하게 하기 위하여, 도면들에 공통적인 동일한 엘리먼트들을 지정하기 위해 가능한 경우 동일한 참조 번호들이 사용되었다. 일 실시예의 엘리먼트들 및 특징들이 추가적인 인용 없이 다른 실시예들에 유익하게 통합될 수 있다는 것이 고려된다.
Claims (15)
- 박막 캡슐화 구조로서,
제1 배리어 층 - 상기 제1 배리어 층은, 1.46 내지 1.48의 굴절률, 5.0×10-5 g/m2/day 미만의 수증기 투과율, 및 8% 미만의 수소 함량을 가지고 1.70 내지 2.15의 O/Si 및 0.01 내지 0.05의 N/Si의 조성을 갖는 실리콘 산질화물 재료를 포함함 -;
상기 제1 배리어 층 상에 배치된 버퍼 층; 및
상기 버퍼 층 상에 배치된 제2 배리어 층을 포함하는, 박막 캡슐화 구조. - 제1항에 있어서,
상기 제2 배리어 층은 상기 제1 배리어 층과 동일한 재료를 포함하는, 박막 캡슐화 구조. - 제1항에 있어서,
상기 제2 배리어 층은 상기 제1 배리어 층과 상이한 재료를 포함하는, 박막 캡슐화 구조. - 제1항에 있어서,
상기 제1 배리어 층은 0.5 마이크로미터 내지 3 마이크로미터의 두께를 갖는, 박막 캡슐화 구조. - 제1항에 있어서,
상기 실리콘 산질화물 재료는 섭씨 85도 및 85%의 상대 습도에서 104% 내지 106%의 두께 변화 백분율을 갖는, 박막 캡슐화 구조. - 박막 트랜지스터로서,
게이트 전극;
상기 게이트 전극 위에 배치된 게이트 절연 층 - 상기 게이트 절연 층은, 1.46 내지 1.48 미만의 굴절률, 5.0×10-5 g/m2/day 미만의 수증기 투과율, 및 6% 미만의 수소 함량을 가지고 1.70 내지 2.15의 O/Si 및 0.01 내지 0.05의 N/Si의 조성을 갖는 실리콘 산질화물 재료를 포함함 -;
상기 게이트 절연 층 위에 배치된 반도체 층;
상기 반도체 층 위에 배치된 드레인 전극;
상기 드레인 전극에 인접하게 배치된 소스 전극; 및
상기 드레인 전극, 상기 소스 전극, 및 상기 반도체 층 위에 배치된 패시베이션 층을 포함하는, 박막 트랜지스터. - 제6항에 있어서,
상기 패시베이션 층은, 1.46 내지 1.48의 굴절률, 5.0×10-5 g/m2/day 미만의 수증기 투과율, 및 6% 미만의 수소 함량을 갖는 실리콘 산질화물 재료를 포함하는, 박막 트랜지스터. - 제7항에 있어서,
상기 패시베이션 층은 섭씨 300도 미만의 온도에서 플라즈마 강화 화학 기상 증착 프로세스에 의해 증착되거나, 또는
상기 실리콘 산질화물 재료는 섭씨 85도 및 85%의 상대 습도에서 104% 내지 106%의 두께 변화 백분율을 갖는, 박막 트랜지스터. - 제7항에 있어서,
상기 게이트 절연 층의 실리콘 산질화물 재료는 이중 층을 형성하기 위해, 실리콘 산화물을 포함하는 층과 결합되는, 박막 트랜지스터. - 제9항에 있어서,
상기 이중 층의 실리콘 산질화물 재료는 상기 게이트 전극에 인접하게 배치되고,
상기 실리콘 산화물을 포함하는 층은 상기 반도체 층, 상기 드레인 전극, 및 상기 소스 전극에 인접하게 배치되는, 박막 트랜지스터. - 제7항에 있어서,
상기 패시베이션 층의 실리콘 산질화물 재료는 이중 층을 형성하기 위해, 실리콘 산화물을 포함하는 층과 결합되는, 박막 트랜지스터. - 제11항에 있어서,
상기 이중 층의 실리콘 산화물을 포함하는 층은 상기 반도체 층, 상기 드레인 전극, 및 상기 소스 전극에 인접하게 배치되고,
상기 실리콘 산질화물 재료는 상기 실리콘 산화물을 포함하는 층 상에 배치되는, 박막 트랜지스터. - 디스플레이 디바이스로서,
발광 디바이스;
상기 발광 디바이스 위에 배치된 캡핑 층; 및
상기 캡핑 층 위에 배치된 박막 캡슐화 구조를 포함하며,
상기 박막 캡슐화 구조는,
상기 캡핑 층 위에 배치된 제1 배리어 층 - 상기 제1 배리어 층은, 1.46 내지 1.48의 굴절률, 5.0×10-5 g/m2/day 미만의 수증기 투과율, 및 8% 미만의 수소 함량을 가지고 1.70 내지 2.15의 O/Si 및 0.01 내지 0.05의 N/Si의 조성을 갖는 실리콘 산질화물 재료를 포함함 -;
상기 제1 배리어 층 상에 배치된 버퍼 층; 및
상기 버퍼 층 상에 배치된 제2 배리어 층을 포함하는, 디스플레이 디바이스. - 제13항에 있어서,
상기 발광 디바이스는 유기 발광 다이오드 디바이스이거나, 또는
상기 제2 배리어 층은 상기 제1 배리어 층과 동일한 재료를 포함하는, 디스플레이 디바이스. - 제13항에 있어서,
상기 실리콘 산질화물 재료는 섭씨 85도 및 85%의 상대 습도에서 104% 내지 106%의 두께 변화 백분율을 갖는, 디스플레이 디바이스.
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