KR20220164292A - 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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- KR20220164292A KR20220164292A KR1020210072871A KR20210072871A KR20220164292A KR 20220164292 A KR20220164292 A KR 20220164292A KR 1020210072871 A KR1020210072871 A KR 1020210072871A KR 20210072871 A KR20210072871 A KR 20210072871A KR 20220164292 A KR20220164292 A KR 20220164292A
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- optical laminate
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- polarizing plate
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Abstract
Description
도 2는 본 발명의 다른 실시예에 따른 타층이 결합된 투과율 가변 광학 적층체의 적층 구조를 나타낸 도이다.
도 3은 본 발명의 다른 실시예에 따른 타층이 결합된 투과율 가변 광학 적층체의 적층 구조를 나타낸 도이다.
도 4는 본 발명의 다른 실시예에 따른 점접착제가 일면에 형성된 투과율 가변 광학 적층체의 적층 구조를 나타낸 도이다.
도 5는 본 발명의 다른 실시예에 따른 타층이 결합된 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 일 실시예에 따라 편광판에 도전층을 형성하여 투과율 가변 광학 적층체를 형성하는 과정을 개략적으로 설명하기 위한 도이다.
도 8는 본 발명의 다른 실시예에 따른 타층이 결합된 투과율 가변 광학 적층체를 형성하는 과정을 개략적으로 설명하기 위한 도이다.
도 9은 본 발명의 다른 실시예에 따른 타층이 결합된 투과율 가변 광학 적층체를 형성하는 과정을 개략적으로 설명하기 위한 도이다.
도 10은 본 발명의 다른 실시예에 따른 타층이 결합된 투과율 가변 광학 적층체를 형성하는 과정을 개략적으로 설명하기 위한 도이다.
Claims (22)
- 전계에 따라 구동되는 액정층을 사이에 두고, 양면에 적층된 편광판을 포함하는 광학 적층체에 있어서,
상기 편광판은 편광자, 상기 편광자보다 길이가 길고 상기 편광자의 일면 상에 적층된 제1 보호층 및 상기 편광자의 타면 상에 적층된 제2 보호층을 포함하고,
투명 도전층은, 상기 편광판과 직접 접촉하여 형성되며,
상기 광학 적층체는 전압 인가에 따라 전광선 투과율이 변화되는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 제1 보호층은, 상기 편광자의 외측에 구비되는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 액정층의 양면에 적층된 편광판에 각각 포함된 서로 다른 두 제1 보호층의 말단부가 실링된, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 제1 보호층은 열가소성 수지를 포함하는, 투과율 가변 광학 적층체.
- 청구항 4에 있어서, 상기 열가소성 수지는, 폴리에스테르계 수지, 셀룰로오스계 수지, 폴리카보네이트계 수지, 아크릴계 수지, 스티렌계 수지, 폴리올레핀계 수지, 염화비닐계 수지, 아미드계 수지, 이미드계 수지, 술폰계 수지, 폴리에테르술폰계 수지, 폴리에테르에테르케톤계 수지, 황화 폴리페닐렌계 수지, 비닐알콜계 수지, 염화비닐리덴계 수지, 비닐부티랄계 수지, 알릴레이트계 수지, 폴리옥시메틸렌계 수지 및 에폭시계 수지로 이루어진 군에서 선택되는 1종 이상을 포함하는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 제1 보호층은 두께가 80㎛ 이하인, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 제1 보호층의 적어도 일면 상에 형성된 코팅층을 더 포함하는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 제2 보호층은, 보호필름 또는 광학 기능필름인, 투과율 가변 광학 적층체.
- 청구항 8에 있어서, 상기 광학 기능필름은, 위상차 필름인, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 투명 도전층은, 상기 편광판 및 투명 도전층 사이에 별도의 기재를 포함하지 않고, 상기 편광판과 직접 접촉하여 형성되는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 투명 도전층은, 상기 편광판 및 투명 도전층 사이에 접착 용이층을 두어, 상기 편광판과 직접 접촉하여 형성되는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 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, 굴절률이 1.4 내지 2.6인 굴절률 조절층을 더 포함하는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 편광판은, 30 내지 200㎛의 두께를 갖는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 액정층은, TN (Twisted nematic), STN (Super-twisted nematic), IPS (In-plane switching), FFS (Fringe field switching), PLS (Plane line switching), AH-IPS (Advanced high-performance IPS), PSA (Polymer sustained alignment) 및 VA (Vertical alignment)로 이루어진 군에서 선택되는 어느 하나의 구동 방식에 의해 구동되는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 액정층은, 볼스페이서 (Ball spacer) 및 컬럼스페이서 (Column spacer)로 이루어진 군에서 선택되는 1종 이상을 포함하는, 투과율 가변 광학 적층체.
- 청구항 16에 있어서, 상기 볼스페이서(Ball spacer)는, 직경이 1 내지 10 ㎛인, 투과율 가변 광학 적층체.
- 청구항 16에 있어서, 상기 볼스페이서(Ball spacer)의 액정층 내에서의 점유 면적은, 액정층 면적의 0.01 내지 10%인, 투과율 가변 광학 적층체.
- 청구항 1 내지 18 중 어느 한 항의 투과율 가변 광학 적층체의 제조방법.
- 청구항 1 내지 18 중 어느 한 항의 투과율 가변 광학 적층체를 포함하는, 스마트 윈도우.
- 청구항 20의 스마트 윈도우를 전면창, 후면창, 측면창, 썬루프창, 및 내부 칸막이 중 적어도 하나 이상에 적용한, 자동차.
- 청구항 20의 스마트 윈도우를 포함하는, 건물용 창호.
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PCT/KR2022/007595 WO2022255742A1 (ko) | 2021-06-04 | 2022-05-27 | 광학 적층체 및 이의 제조방법과, 이를 포함하는 스마트 윈도우 및 이를 적용한 자동차 또는 건물용 창호 |
EP22816401.8A EP4350429A4 (en) | 2021-06-04 | 2022-05-27 | OPTICAL LAMINATE, MANUFACTURING METHOD THEREOF, SMART WINDOW COMPRISING THE SAME, AND WINDOW FOR VEHICLE OR BUILDING APPLYING THE SAME |
US18/566,467 US20240288733A1 (en) | 2021-06-04 | 2022-05-27 | Optical laminate, method for manufacturing same, smart window comprising same, and window for vehicle or building applying same |
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US12282220B2 (en) | 2023-02-28 | 2025-04-22 | Dongwoo Fine-Chem Co., Ltd. | Optical stack, and manufacturing method for same, and smart window including same, and automobile or windows for building using same |
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