KR102609644B1 - 고체 촬상 소자 및 촬상 장치 - Google Patents
고체 촬상 소자 및 촬상 장치 Download PDFInfo
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- KR102609644B1 KR102609644B1 KR1020187001659A KR20187001659A KR102609644B1 KR 102609644 B1 KR102609644 B1 KR 102609644B1 KR 1020187001659 A KR1020187001659 A KR 1020187001659A KR 20187001659 A KR20187001659 A KR 20187001659A KR 102609644 B1 KR102609644 B1 KR 102609644B1
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Abstract
Description
도 2는 본 기술의 제1의 실시의 형태에서의 화소(110)의 구성례를 도시하는 도면.
도 3은 본 기술의 제1의 실시의 형태에서의 화소(110)의 구성례를 도시하는 단면도.
도 4는 본 기술의 제1의 실시의 형태에서의 마이크로렌즈(121)의 구성례를 도시하는 도면.
도 5는 본 기술의 실시의 형태에서의 SPAD(112)의 특성을 도시하는 도면.
도 6은 본 기술의 제2의 실시의 형태에서의 마이크로렌즈(123)의 구성례를 도시하는 도면.
도 7은 본 기술의 제3의 실시의 형태에서의 화소(110)의 구성례를 도시하는 도면.
도 8은 본 기술의 제4의 실시의 형태에서의 화소(110)의 구성례를 도시하는 단면도.
도 9는 본 기술의 제4의 실시의 형태에서의 집광의 한 예를 도시하는 도면.
도 10은 본 기술의 제4의 실시의 형태의 변형례에서의 화소(110)의 구성례를 도시하는 단면.
도 11은 본 기술의 제5의 실시의 형태에서의 촬상 장치(10)의 구성례를 도시하는 도면.
도 12는 본 기술의 제5의 실시의 형태에서의 화소(150)의 구성례를 도시하는 도면.
도 13은 본 기술의 제5의 실시의 형태에서의 화소의 배치의 한 예를 도시하는 도면.
도 14는 본 기술의 제5의 실시의 형태의 변형례에서의 화소의 배치의 한 예를 도시하는 도면.
도 15는 본 기술의 제6의 실시의 형태에서의 화소(150)의 구성례를 도시하는 도면.
10 : 촬상 장치
20 : 거리 계측부
30 : 적외광 조사부
100 : 화소 어레이부
101 : 절연층
103, 104 : 전극
105, 131 : 제1의 반도체 영역
106 : 제2의 반도체 영역
107, 132 : 제3의 반도체 영역
108 : 가드 링
109 : 반도체 기판
110, 150, 160, 170, 180 : 화소
111, 153 : 저항
121, 123, 126 : 마이크로렌즈
122 : 개구부
124 : 패인홈
127 : 제1의 집광부재
154 : 파형 정형부
155 : 유지부
156∼159 : MOS 트랜지스터
200 : 전원부
300, 500 : 신호 처리부
301 : 신호선
400 : 수직 구동부
Claims (11)
- 수광면과 당해 수광면 위에 배치된 전극을 가지며, 상기 전극에 항복전압을 초과하는 전압이 인가된 상태에서 상기 수광면에 입사한 광에 응한 전기 신호를 출력하는 포토다이오드와,
상기 전극이 배치된 영역 이외의 상기 수광면에 피사체로부터의 광을 집광시키는 집광부를 구비하고,
상기 전극은 상기 포토다이오드의 상기 수광면의 중심에 배치되고,
상기 집광부는 중앙부에 개구부를 갖는 마이크로렌즈에 의해 구성되고,
평면에서 볼 때, 상기 마이크로렌즈는 상기 개구부와 상기 전극이 겹쳐지는 위치에 배치되는 것을 특징으로 하는 고체 촬상 소자. - 삭제
- 제1항에 있어서,
상기 마이크로렌즈는, 상기 중앙부에 오목부를 갖는 것을 특징으로 하는 고체 촬상 소자. - 삭제
- 제3항에 있어서,
상기 전극과 전기적으로 접속되는 배선을 또한 구비하고,
상기 마이크로렌즈는, 상기 배선에 따라 연속하는 오목부를 갖는 것을 특징으로 하는 고체 촬상 소자. - 제5항에 있어서,
상기 마이크로렌즈는, 상기 연속하는 오목부의 저부에 패인홈을 갖는 것을 특징으로 하는 고체 촬상 소자. - 제1항에 있어서,
상기 집광부는, 상기 전극이 배치된 영역 이외의 상기 수광면에 각각이 집광시키는 복수의 마이크로렌즈에 의해 구성되는 것을 특징으로 하는 고체 촬상 소자. - 제7항에 있어서,
인접하는 상기 복수의 마이크로렌즈의 사이에 배치되어 상기 전극과 전기적으로 접속되는 배선을 또한 구비하는 것을 특징으로 하는 고체 촬상 소자. - 제7항에 있어서,
상기 복수의 마이크로렌즈는, 4각형상의 저면을 갖는 것을 특징으로 하는 고체 촬상 소자. - 제1항에 있어서,
상기 집광부는, 상기 전극과 상기 피사체와의 사이에 제1의 집광부재와 당해 제1의 집광부재보다 굴절율이 큰 제2의 집광부재가 차례로 배치되어 구성되는 것을 특징으로 하는 고체 촬상 소자. - 수광면과 당해 수광면 위에 배치된 전극을 가지며, 상기 전극에 항복전압을 초과하는 전압이 인가된 상태에서 상기 수광면에 입사한 광에 응한 전기 신호를 출력하는 포토다이오드와, 상기 전극이 배치된 영역 이외의 상기 수광면에 피사체로부터의 광을 집광시키는 집광부를 구비하는 화소가 2차원 어레이형상으로 배치된 화소 회로와,
상기 출력된 전기 신호를 처리하는 처리 회로를 구비하고,
상기 전극은 상기 포토다이오드의 상기 수광면의 중심에 배치되고,
상기 집광부는 중앙부에 개구부를 갖는 마이크로렌즈에 의해 구성되고,
평면에서 볼 때, 상기 마이크로렌즈는 상기 개구부와 상기 전극이 겹쳐지는 위치에 배치되는 것을 특징으로 하는 촬상 장치.
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PCT/JP2016/080501 WO2017094362A1 (ja) | 2015-12-03 | 2016-10-14 | 固体撮像素子および撮像装置 |
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