KR102533622B1 - 광학 적층체 및 이의 제조방법과, 이를 포함하는 스마트 윈도우 및 이를 적용한 자동차 또는 건물용 창호 - Google Patents
광학 적층체 및 이의 제조방법과, 이를 포함하는 스마트 윈도우 및 이를 적용한 자동차 또는 건물용 창호 Download PDFInfo
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- KR102533622B1 KR102533622B1 KR1020210082379A KR20210082379A KR102533622B1 KR 102533622 B1 KR102533622 B1 KR 102533622B1 KR 1020210082379 A KR1020210082379 A KR 1020210082379A KR 20210082379 A KR20210082379 A KR 20210082379A KR 102533622 B1 KR102533622 B1 KR 102533622B1
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- polarizing plate
- transparent conductive
- conductive layer
- optical laminate
- optical function
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Abstract
Description
도 2은, 본 발명의 다른 일 실시예에 따른 광학 필름이 더 결합된 투과율 가변 광학 적층체의 적층 구조를 나타낸 도이다.
도 3는, 본 발명의 다른 일 실시예에 따른 광학 필름이 더 결합된 투과율 가변 광학 적층체의 적층 구조를 나타낸 도이다.
도 4는, 본 발명의 다른 일 실시예에 따른 점접착제가 일면에 형성된 투과율 가변 광학 적층체의 적층 구조를 나타낸 도이다.
도 5는, 본 발명의 다른 일 실시예에 따른 보호 필름을 더 포함하는, 투과율 가변 광학 적층체의 적층 구조를 나타낸 도이다.
도 6은, 본 발명의 일 실시예에 따른 편광판을 제조하는 단계를 개략적으로 나타내는 도이다.
도 7은, 본 발명의 다른 일 실시예에 따른 굴절율 조절층이 더 결합된 투과율 가변 광학 적층체의 적층 구조를 나타낸 도이다.
도 8은, 본 발명의 일 실시예에 따른 제1 광학 기능 필름에 따른 투과율 가변 광학 적층체의 빛샘 실험 과정 및 결과를 나타내는 도이다.
도 9는, 본 발명의 일 실시예에 따른 제1 광학 기능 필름 및 제2 광학 기능 필름에 따른 투과율 가변 광학 적층체의 빛샘 실험 실험 과정 및 결과를 나타내는 도이다.
Claims (19)
- 제1 편광판;
상기 제 1 편광판의 일면 상에 형성되는, 제 1 투명 도전층;
상기 제 1 편광판과 대향하는 제2 편광판;
상기 제 2 편광판의 일면 상에 형성되고, 상기 제 1 투명 도전층과 대향하는 제 2 투명 도전층;
상기 제 1 투명 도전층 및 상기 제 2 투명 도전층 사이에 구비되는, 액정층을 포함하며,
상기 액정층은, TN (Twisted nematic) 모드로 구동되며,
상기 제1 투명 도전층 및 제2 투명 도전층 중 적어도 하나의 투명 도전층은, 상기 제 1 편광판 또는 상기 제 2 편광판과 직접 접촉하여 형성되며,
상기 제 1 편광판 및 상기 제 2 편광판은, 각각 편광자 및 상기 편광자의 일면에 형성되는 제 1 광학 기능 필름을 포함하며,
상기 제 1 광학 기능 필름은, 면내 위상차(Rin)가 40 내지 100nm이고, 두께 방향 위상차(Rth)가 120 내지 210nm이며,
상기 제 1 편광판 및 제 2 편광판에 각각 구비되는 제 1 광학 기능 필름은, 서로 면내 위상차(Rin)가 실질적으로 동일하고, 두께 방향 위상차(Rth)가 실질적으로 동일하며,
상기 제 1 편광판 또는 제 2 편광판에 구비되는 제 1 광학 기능 필름의 일면 상에 형성되는 제 2 광학 기능 필름을 더 포함하며,
상기 제 2 광학 기능 필름은, 두께 방향 위상차(Rth)가 0 내지 120nm인, 투과율 가변 광학 적층체.
- 삭제
- 청구항 1에 있어서, 상기 제 1 광학 기능 필름 및 제 2 광학 기능 필름 중 적어도 하나의 광학 기능 필름은 위상차 필름인, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 제 2 광학 기능 필름은, x, y, z축 방향 각각에 대한 굴절율 nx, ny, nz이 nx=ny≥nz의 관계를 만족하는, 투과율 가변 광학 적층체.
- 삭제
- 청구항 1에 있어서, 상기 제 1 투명 도전층 및 제 2 투명 도전층 중 적어도 하나의 투명 도전층은, 상기 제 1 편광판 또는 제 2 편광판과 사이에 별도의 기재를 포함하지 않고, 상기 편광판과 직접 접촉하여 형성되는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 제 1 투명 도전층 및 제 2 투명 도전층 중 적어도 하나의 투명 도전층은, 상기 제 1 편광판 또는 제 2 편광판과 사이에 접착 용이층을 더 포함하는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 제 1 편광판 및 제 2 편광판 중 적어도 하나의 편광판은 적어도 하나 이상의 보호 필름을 더 포함하는, 투과율 가변 광학 적층체.
- 청구항 8에 있어서, 상기 보호 필름은, 폴리에틸렌 테레프탈레이트(polyethylene terephthalate; PET), 폴리에틸렌 이소프탈레이트(polyethylene isophthalate; PEI), 폴리에틸렌 나프탈레이트(polyethylene naphthalate; PEN), 폴리부틸렌 테레프탈레이트(polybutylene terephthalate; PBT), 디아세틸 셀룰로오스(diacetyl cellulose), 트리아세틸 셀룰로오스(triacetyl cellulose; TAC), 폴리카보네이트(polycarbonate; PC), 폴리에틸렌(polyethylene; PE), 폴리프로필렌(polypropylene; PP), 폴리메틸 아크릴레이트(polymethyl acrylate; PMA), 폴리메틸 메타크릴레이트(polymethyl methacrylate; PMMA), 폴리에틸 아크릴레이트(polyethyl acrylate; PEA), 폴리에틸 메타크릴레이트(polyethyl methacrylate; PEMA) 및 환형 올레핀계 폴리머(cyclic olefin polymer; COP)로 이루어진 군에서 선택되는 1종 이상을 포함하는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 제1 편광판 및 제2 편광판 중 적어도 하나의 편광판은, 30㎛ 내지 200㎛의 두께를 갖는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 제1 투명 도전층 및 제2 투명 도전층 중 적어도 하나의 투명 도전층은, 투명 도전성 산화물, 금속, 탄소계 물질, 전도성 고분자, 도전성 잉크 및 나노 와이어로 이루어진 군에서 선택되는 1종 이상을 포함하는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 액정층은, 볼 스페이서 (Ball spacer) 및 컬럼 스페이서 (Column spacer)로 이루어진 군에서 선택되는 1종 이상을 포함하는, 투과율 가변 광학 적층체.
- 청구항 12에 있어서, 상기 볼 스페이서(Ball spacer)는, 직경이 1㎛ 내지 10㎛인, 투과율 가변 광학 적층체.
- 청구항 12에 있어서, 상기 볼 스페이서(Ball spacer)의 액정층 내에서의 점유 면적은, 액정층 면적의 0.01% 내지 10%인, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 굴절율이 1.4 내지 2.6인 굴절율 조절층을 더 포함하는, 투과율 가변 광학 적층체.
- 청구항 1, 3, 4 및 6 내지 15 중 어느 한 항의 투과율 가변 광학 적층체의 제조방법.
- 청구항 1, 3, 4 및 6 내지 15 중 어느 한 항의 투과율 가변 광학 적층체를 포함하는, 스마트 윈도우.
- 청구항 17의 스마트 윈도우를 전면창, 후면창, 측면창, 썬루프창, 및 내부 칸막이 중 적어도 하나 이상에 적용한, 자동차.
- 청구항 17의 스마트 윈도우를 포함하는, 건물용 창호.
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KR1020210082379A KR102533622B1 (ko) | 2021-06-24 | 2021-06-24 | 광학 적층체 및 이의 제조방법과, 이를 포함하는 스마트 윈도우 및 이를 적용한 자동차 또는 건물용 창호 |
PCT/KR2022/008950 WO2022270944A1 (ko) | 2021-06-24 | 2022-06-23 | 광학 적층체 및 이의 제조방법과, 이를 포함하는 스마트 윈도우, 이를 적용한 자동차 및 건물용 창호 |
US18/573,721 US20240302691A1 (en) | 2021-06-24 | 2022-06-23 | Optical laminate and manufacturing method therefor, smart window comprising same, and window and door for vehicle and building, having same applied thereto |
EP22828791.8A EP4361717A4 (en) | 2021-06-24 | 2022-06-23 | OPTICAL LAMINATE AND MANUFACTURING METHOD THEREOF, SMART WINDOW COMPRISING THE SAME, AND WINDOW AND DOOR FOR VEHICLE AND BUILDING, TO WHICH IT IS APPLIED |
JP2023579002A JP2024525388A (ja) | 2021-06-24 | 2022-06-23 | 光学積層体及びその製造方法と、これを含むスマートウィンドウ、これを適用した自動車及び建物用建具 |
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