KR102471941B1 - 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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- KR102471941B1 KR102471941B1 KR1020210072854A KR20210072854A KR102471941B1 KR 102471941 B1 KR102471941 B1 KR 102471941B1 KR 1020210072854 A KR1020210072854 A KR 1020210072854A KR 20210072854 A KR20210072854 A KR 20210072854A KR 102471941 B1 KR102471941 B1 KR 102471941B1
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- optical laminate
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- polarizing plate
- variable transmittance
- liquid crystal
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- G—PHYSICS
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- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
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- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/04—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in transparency
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- E—FIXED CONSTRUCTIONS
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- G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements
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- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Geometry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Polarising Elements (AREA)
- Laminated Bodies (AREA)
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- Securing Of Glass Panes Or The Like (AREA)
Abstract
Description
도 2는 본 발명의 다른 일 실시예에 따른 타층이 결합된 투과율 가변 광학 적층체의 적층 구조를 나타낸 도이다.
도 3은 본 발명의 다른 일 실시예에 따른 타층이 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 타층이 결합된 투과율 가변 광학 적층체의 적층 구조를 나타낸 도이다.
도 6은 본 발명의 다른 일 실시예에 따라 형성된 투과율 가변 광학 적층체의 적층 구조를 나타낸 도이다.
도 7은 본 발명의 일 실시예에 따른 편광판을 제조하는 단계를 개략적으로 나타내는 도이다.
도 8은 본 발명의 일 실시예에 따라 편광판에 도전층을 형성하여 투과율 가변 광학 적층체를 형성하는 과정을 개략적으로 설명하기 위한 도이다.
도 9는 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.
도 11은 본 발명의 다른 실시예에 따른 타층이 결합된 투과율 가변 광학 적층체를 형성하는 과정을 개략적으로 설명하기 위한 도이다.
Claims (18)
- 전계에 따라 구동되는 액정층을 사이에 두고, 양면에 적층된 편광판을 포함하는 광학 적층체에 있어서,
상기 편광판은 편광자 및 상기 편광자의 양면 상에 형성된 보호층을 포함하고,
상기 편광판은, 30 내지 200㎛의 두께를 가지며,
투명 도전층은, 상기 양면의 편광판들 중 적어도 어느 하나의 편광판과 직접 접촉하여 형성되며,
상기 광학 적층체는 전압 인가에 따라 전광선 투과율이 변화되는, 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 두고 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, 상기 편광판은, 광학 기능층을 더 포함하는, 투과율 가변 광학 적층체.
- 청구항 5에 있어서, 상기 광학 기능층은, 위상차 필름을 포함하는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 보호층은, 폴리에틸렌테레프탈레이트, 폴리에틸렌이소프탈레이트, 폴리에틸렌나프탈레이트, 폴리부틸렌테레프탈레이트, 디아세틸셀룰로오스, 트리아세틸셀룰로오스, 폴리카보네이트, 폴리에틸렌, 폴리프로필렌, 폴리메틸(메타)아크릴레이트, 폴리에틸(메타)아크릴레이트 및 환형 올레핀계 고분자로 이루어진 군에서 선택되는 1종 이상을 포함하는, 투과율 가변 광학 적층체.
- 청구항 1에 있어서, 상기 편광판과 투명 도전층 사이에 구비되는 굴절률이 1.4 내지 2.6인 굴절률 조절층을 더 포함하는, 투과율 가변 광학 적층체.
- 삭제
- 청구항 1에 있어서, 상기 액정층은, 적어도 일면 상에 형성된 배향막을 포함하는, 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 12에 있어서, 상기 볼스페이서(Ball spacer)는, 직경이 1 내지 10 ㎛인, 투과율 가변 광학 적층체.
- 청구항 12에 있어서, 상기 볼스페이서(Ball spacer)는, 액정층 내에서의 점유 면적이 액정층 면적의 0.01 내지 10%인, 투과율 가변 광학 적층체.
- 청구항 1 내지 8 및 10 내지 14 중 어느 한 항의 투과율 가변 광학 적층체의 제조방법.
- 청구항 1 내지 8 및 10 내지 14 중 어느 한 항의 투과율 가변 광학 적층체를 포함하는, 스마트 윈도우.
- 청구항 16의 스마트 윈도우를 전면창, 후면창, 측면창, 썬루프창, 및 내부 칸막이 중 적어도 하나 이상에 적용한, 자동차.
- 청구항 16의 스마트 윈도우를 포함하는, 건물용 창호.
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US18/566,596 US20240280854A1 (en) | 2021-06-04 | 2022-05-27 | Optical stack and manufacturing method therefor, and smart window comprising same and vehicle or building window to which same is applied |
EP22816400.0A EP4350428A4 (en) | 2021-06-04 | 2022-05-27 | OPTICAL STACK AND MANUFACTURING METHOD THEREFOR, AS WELL AS INTELLIGENT WINDOW THEREFOR AND VEHICLE OR BUILDING WINDOW THEREFOR |
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US20240280854A1 (en) | 2024-08-22 |
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JP2024523177A (ja) | 2024-06-28 |
KR102808208B1 (ko) | 2025-05-16 |
KR102808207B1 (ko) | 2025-05-16 |
KR20220165219A (ko) | 2022-12-14 |
WO2022255741A1 (ko) | 2022-12-08 |
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