JP2018527622A - 液晶ウィンドウ及びこれを含む光学素子 - Google Patents
液晶ウィンドウ及びこれを含む光学素子 Download PDFInfo
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—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
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13781—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering using smectic liquid crystals
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- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—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
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13725—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on guest-host interaction
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
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Abstract
Description
(1.53−b)<{(2no 2+ne 2)/3}0.5<(1.53+b)
Rin=(nx−ny)×d
Rth=(nz−ny)×d
ゲル含量(%)=B/A×100
100×100mmサイズのITO電極層が形成されているポリカーボネートフィルム上にメイヤーバー(#4)を利用してスペーサが1wt%含まれている配向膜形成用組成物をコーティングした後、80℃オーブンで2分間乾燥し、偏光UVを照射し、配向膜を形成した。その後、液晶(MDA−14−4145)1gをコーティングし、液晶層/配向膜/ITO電極層/ポリカーボネートフィルム構造を形成した。最後に、順次に配向膜/ITO電極層が形成されているポリカーボネートフィルムの配向膜面と前記液晶層の面をラミし、液晶ウィンドウを製作した。
100×100mmサイズの配向膜/ITO電極層が順次形成されているポリカーボネートフィルム上にメイヤーバー(#4)を利用してスペーサが1wt%含まれているイソプロピルアルコール溶液をコーティングした後、120℃のオーブンで10分間乾燥及び固着させて、配向膜上に固着されたスペーサを形成した。その後、スペーサが形成された配向膜の面に液晶(MDA−14−4145)1gをコーティングし、液晶層/配向膜/ITO電極層/ポリカーボネートフィルム構造を形成した。最後に、順次に配向膜/ITO電極層が形成されているポリカーボネートフィルムの配向膜面と前記液晶層の面をラミし、液晶ウィンドウを製作した。
実施例1及び比較例1による液晶ウィンドウのラミネーションテストを実施した。
具体的に、製作された液晶ウィンドウを上下ラバーロール(rubber roll)の間に通過させて圧力をかける方式でラミネーションテストを実施し、その結果を図6に示した。
Claims (15)
- 液晶化合物を含む液晶層と、
前記液晶層の両面に位置し、前記液晶化合物の配向を誘導する配向膜と、
前記液晶層の上部及び下部に存在する層の間隔を維持できるように形成され、前記液晶層の両面に位置する前記配向膜のうちいずれか一つに陥入され固着されたスペーサと、
を含む
光学素子用液晶ウィンドウ。 - 前記液晶化合物は、スメクチック、ネマチック又はコレステリック液晶化合物であり、
液晶層は、二色比が1〜30の範囲内にある異方性染料をさらに含み、
液晶層は、厚さが5〜30μmの範囲内にある、
請求項1に記載の光学素子用液晶ウィンドウ。 - 液晶層のいずれか一面又は両面方向に位置する基材層と、
基材層上に形成されている電極層と、
をさらに含む、
請求項1または2に記載の光学素子用液晶ウィンドウ。 - 前記配向膜は、配向性化合物及び前記スペーサを含む組成物のコーティング層であり、
前記スペーサは、0.1〜5重量%の範囲内に組成物に含まれる、
請求項1から3のいずれか1項に記載の光学素子用液晶ウィンドウ。 - 前記スペーサは、ボールタイプのスペーサであり、
前記スペーサは、直径が1〜100μmの範囲内にある、
請求項1から4のいずれか1項に記載の光学素子用液晶ウィンドウ。 - 前記スペーサは、熱又は紫外線硬化性樹脂と、ガラスファイバー及びシリカよりなる群から選択されるいずれか一つを含む、
請求項1から5のいずれか1項に記載の光学素子用液晶ウィンドウ。 - 前記スペーサは、ホワイト又はブラックスペーサである、
請求項1から6のいずれか1項に記載の光学素子用液晶ウィンドウ。 - 前記スペーサは、前記配向膜に部分的に陥入され、
配向膜内に前記スペーサの陥入深さは、前記スペーサの直径に対して0.1〜50%である、
請求項1から7のいずれか1項に記載の光学素子用液晶ウィンドウ。 - 第1基板と、
前記第1基板上に位置する第1偏光層と、
前記第1偏光層上に位置する請求項1から8のいずれか1項に記載の光学素子用液晶ウィンドウと、
を含む
光学素子。 - 外部作用の適用可否によって、可視光領域の透過度が15%以上である透過モードと可視光領域の透過度が3%以下である遮断モードとの間をスイッチングする、
請求項9に記載の光学素子。 - 前記光学素子用液晶ウィンドウは、液晶層の一面又は両面方向に位置する基材層をさらに含み、
前記第1偏光層は、粘着剤層又は接着剤層を介して前記光学素子用液晶ウィンドウに付着しており、
粘着剤層は、氷点が−40℃以下であり、沸騰点が150℃以上である流体粘着剤層である、
請求項9または10に記載の光学素子。 - 前記光学素子用液晶ウィンドウは、液晶層のいずれか一面方向にのみ位置する基材層をさらに含み、
前記第1偏光層は、前記光学素子用液晶ウィンドウと直接当接している、
請求項9に記載の光学素子。 - 前記第1偏光層は、前記第1基板と直接当接しているか、又は粘着剤層又は接着剤層を介して前記第1基板に付着している、
請求項9に記載の光学素子。 - 前記第1偏光層のいずれか一面は、前記第1基板と直接当接しており、
他の一面は、前記光学素子用液晶ウィンドウと直接当接している、
請求項9に記載の光学素子。 - 前記光学素子用液晶ウィンドウ上に位置する第2基板をさらに含む、
請求項9から14のいずれか1項に記載の光学素子。
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KR1020150180901A KR102056595B1 (ko) | 2015-12-17 | 2015-12-17 | 액정 윈도우 및 이를 포함하는 광학 소자 |
KR10-2015-0180901 | 2015-12-17 | ||
PCT/KR2016/014567 WO2017105051A1 (ko) | 2015-12-17 | 2016-12-13 | 액정 윈도우 및 이를 포함하는 광학 소자 |
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KR101958329B1 (ko) * | 2017-07-18 | 2019-03-18 | 필룩(주) | 2가지 컬러의 투명도를 조절할 수 있는 윈도우 필름. |
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US20190162989A1 (en) * | 2017-11-27 | 2019-05-30 | Ravenbrick Llc | Thermally and electrically switched windows for combined visible and infrared light attenuation |
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KR102241335B1 (ko) * | 2018-01-30 | 2021-04-16 | 주식회사 엘지화학 | 코팅 조성물 |
CN112105973B (zh) * | 2018-07-02 | 2022-07-05 | 株式会社Lg化学 | 光学调制元件 |
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KR102183706B1 (ko) | 2018-08-14 | 2020-11-27 | 주식회사 엘지화학 | 광학 디바이스 |
KR20210053680A (ko) | 2019-11-04 | 2021-05-12 | 주식회사 엘지화학 | 광변조 디바이스의 제조 방법 |
WO2022005236A1 (ko) * | 2020-07-03 | 2022-01-06 | 주식회사 엘지화학 | 광변조 디바이스 |
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CN118057233A (zh) * | 2022-11-21 | 2024-05-21 | 江苏集萃智能液晶科技有限公司 | 一种调光器件及其制备方法 |
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Also Published As
Publication number | Publication date |
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WO2017105051A1 (ko) | 2017-06-22 |
KR20170072573A (ko) | 2017-06-27 |
CN108139635A (zh) | 2018-06-08 |
US10718980B2 (en) | 2020-07-21 |
US20190079327A1 (en) | 2019-03-14 |
KR102056595B1 (ko) | 2019-12-17 |
JP6673471B2 (ja) | 2020-03-25 |
EP3392703A4 (en) | 2018-12-12 |
EP3392703A1 (en) | 2018-10-24 |
CN108139635B (zh) | 2021-07-09 |
EP3392703B1 (en) | 2024-02-21 |
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