KR20240129233A - 막, 액상 조성물, 광학 소자, 및 촬상 장치 - Google Patents
막, 액상 조성물, 광학 소자, 및 촬상 장치 Download PDFInfo
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Abstract
Description
도 2는, 본 발명에 따른 막을 이용하여 저굴절률 코팅이 이루어진 반사 방지 구조의 일례를 나타내는 단면도이다.
도 3a는, 본 발명에 따른 막을 이용하여 저굴절률 코팅이 이루어진 다른 반사 방지 구조의 일례를 나타내는 단면도이다.
도 3b는, 본 발명에 따른 막을 이용하여 저굴절률 코팅이 이루어진 또 다른 반사 방지 구조의 일례를 나타내는 단면도이다.
도 4a는, 본 발명에 따른 촬상 장치의 일례를 나타내는 단면도이다.
도 4b는, 도 4a에 나타내는 단(單)렌즈의 측면도이다.
도 5a는, 본 발명에 따른 촬상 장치의 다른 일례를 나타내는 단면도이다.
도 5b는, 촬상 장치의 커버의 일례를 나타내는 단면도이다.
도 6은, 촬상 장치의 IR 컷 필터의 일례를 나타내는 단면도이다.
도 7은, 본 발명에 따른 촬상 장치의 또 다른 일례에 있어서의 광학계를 나타내는 측면도이다.
도 8은, 실시예 1에 따른 막의 ATR법에 의해 얻어진 흡수 스펙트럼을 나타내는 그래프이다.
도 9는, 비교예 1에 따른 막의 ATR법에 의해 얻어진 흡수 스펙트럼을 나타내는 그래프이다.
도 10은, 실시예 1, 7, 10, 및 11에 따른 반사 방지 구조의 반사 스펙트럼을 나타내는 그래프이다.
도 11은, 실시예 12 및 13에 따른 반사 방지 구조의 반사 스펙트럼을 나타내는 그래프이다.
도 12는, 실시예 14, 15, 및 16에 따른 반사 방지 구조의 반사 스펙트럼을 나타내는 그래프이다.
Claims (12)
- 제1 저굴절률층과,
제2 저굴절률층을 구비하고,
상기 제1 저굴절률층은, 10~150nm의 평균 1차 입자경을 갖는 중공 입자를 포함하고, 80~350nm의 두께 및 1.25 이하의 굴절률을 갖고,
상기 제2 저굴절률층은, 30~300nm의 두께 및 1.5 이하의 굴절률을 갖는, 반사 방지막. - 청구항 1에 있어서,
제3 저굴절률층을 더 구비하고,
상기 제3 저굴절률층은, 30~300nm의 두께 및 1.5 이하의 굴절률을 갖는, 반사 방지막. - 청구항 1에 있어서,
상기 중공 입자는, 1.15~2.70의 굴절률을 갖는 재료로 만들어져 있는, 반사 방지막. - 청구항 1에 있어서,
상기 중공 입자는, 1.10~1.40의 굴절률을 갖는, 반사 방지막. - 청구항 3에 있어서,
상기 제1 저굴절률층은, 적어도 폴리실세스퀴옥산에 의해 형성되고, 상기 중공 입자를 결착하는 바인더를 더 포함하고,
상기 제1 저굴절률층은, 푸리에 변환 적외 분광 광도계를 이용한 전반사 측정법에 의해 결정되는, 규소 원자에 직접 결합하고 있지 않은 탄화수소기에서 유래하는 흡광도, 규소 원자와 비반응성 관능기의 결합에서 유래하는 흡광도, 및 규소 원자와 히드록시기의 결합에서 유래하는 흡광도를, 각각, Ia, Ib, 및 Ic로 나타낼 때, Ib/Ia≥0.7 및 Ib/Ic≥0.3 중 적어도 1개의 조건을 만족하는, 반사 방지막. - 청구항 5에 있어서,
상기 제1 저굴절률층은, Ib/Ia≥0.7 및 Ib/Ic≥0.3의 조건을 더 만족하는, 반사 방지막. - 청구항 5에 있어서,
상기 제1 저굴절률층은, 상기 전반사 측정법에 의해 결정되는, 1개의 산소 원자와 2개의 규소 원자의 결합에서 유래하는, 제1 흡광도, 제2 흡광도, 및 제3 흡광도를 각각 Id, Ie, 및 If로 나타낼 때, Id/Ib≤60, Ie/Ib≤20, 및 If/Ib≤174 중 적어도 1개의 조건을 만족하며,
상기 제1 흡광도 Id는, 제1 파수에 대응하고,
상기 제2 흡광도 Ie는, 상기 제1 파수보다 큰 제2 파수에 대응하고,
상기 제3 흡광도 If는, 상기 제2 파수보다 큰 제3 파수에 대응하는, 반사 방지막. - 청구항 7에 있어서,
상기 제1 저굴절률층은, Id/Ib≤60, Ie/Ib≤20, 및 If/Ib≤174의 조건을 더 만족하는, 반사 방지막. - 청구항 5에 있어서,
상기 폴리실세스퀴옥산은, 16개 이하의 탄소 원자를 포함하는 탄화수소기가 상기 비반응성 관능기로서 규소 원자에 결합하고 있는 폴리실세스퀴옥산인, 반사 방지막. - 청구항 5에 있어서,
상기 중공 입자는, 실리카, 불화마그네슘, 알루미나, 알루미노실리케이트, 티타니아, 및 지르코니아로 이루어지는 군으로부터 선택되는 적어도 1개로 만들어져 있는, 반사 방지막. - 청구항 1 내지 청구항 10 중 어느 한 항에 기재된 반사 방지막을 구비하고,
적어도 파장 700~1000nm의 적외선을 차폐하는, IR 컷 필터. - 청구항 1 내지 청구항 10 중 어느 한 항에 기재된 반사 방지막이 표면에 배치된, 렌즈.
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JP2018209453A JP6503128B1 (ja) | 2018-02-13 | 2018-11-07 | 膜、液状組成物、光学素子、及び撮像装置 |
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PCT/JP2018/041533 WO2019159450A1 (ja) | 2018-02-13 | 2018-11-08 | 膜、液状組成物、光学素子、及び撮像装置 |
KR1020237036902A KR102699909B1 (ko) | 2018-02-13 | 2018-11-08 | 막, 액상 조성물, 광학 소자, 및 촬상 장치 |
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