JP2016194627A - 高コントラスト双安定散乱型液晶ライトバルブ - Google Patents
高コントラスト双安定散乱型液晶ライトバルブ Download PDFInfo
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- JP2016194627A JP2016194627A JP2015074791A JP2015074791A JP2016194627A JP 2016194627 A JP2016194627 A JP 2016194627A JP 2015074791 A JP2015074791 A JP 2015074791A JP 2015074791 A JP2015074791 A JP 2015074791A JP 2016194627 A JP2016194627 A JP 2016194627A
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- Prior art keywords
- liquid crystal
- azobenzene
- voltage
- crystal light
- electrode layers
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 59
- DMLAVOWQYNRWNQ-UHFFFAOYSA-N azobenzene Chemical compound C1=CC=CC=C1N=NC1=CC=CC=C1 DMLAVOWQYNRWNQ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 claims abstract description 20
- 239000004988 Nematic liquid crystal Substances 0.000 claims abstract description 7
- 238000002834 transmittance Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000010408 film Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 description 2
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007699 photoisomerization reaction Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- -1 aromatic azo compound Chemical class 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- 235000012000 cholesterol Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- WSFMFXQNYPNYGG-UHFFFAOYSA-M dimethyl-octadecyl-(3-trimethoxysilylpropyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCC[Si](OC)(OC)OC WSFMFXQNYPNYGG-UHFFFAOYSA-M 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011807 nanoball Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004984 smart glass Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
Abstract
Description
2 電極層
3 中間層
31 ギャップ
32 アゾベンゼンコレステリック液晶
33 コレステリック液晶手形構造
4 垂直配向膜
5 低周波電圧
6 高周波電圧
7 直流電圧
Claims (4)
- 2つの基板と、
前記2つの基板の間に設けられ、それぞれ前記基板に貼合される透明の電極層と、
前記電極層の間に挟み設けられ、複数のギャップと、ネマティック液晶及びアゾベンゼンキラル分子が相互にドープ混合された複数のアゾベンゼンコレステリック液晶と、を含む中間層と、
各前記電極層と前記中間層との間に塗布される垂直配向膜と、
を含み、
前記アゾベンゼンコレステリック液晶の添加によって、異なる周波数の高さの印加電圧を前記電極層から注入後に前記アゾベンゾコレステリック液晶の透過度を変化させ、且つ前記印加電圧を除去した後に散乱状態又は透過状態を維持する高コントラスト双安定散乱型液晶ライトバルブ。 - 前記印加電圧は、低周波電圧を前記電極層に電気接続するものである請求項1に記載の高コントラスト双安定散乱型液晶ライトバルブ。
- 前記印加電圧は、高周波電圧を前記電極層に電気接続するものである請求項1に記載の高コントラスト双安定散乱型液晶ライトバルブ。
- 前記印加電圧は、直流電圧を前記電極層に電気接続するものである請求項1に記載の高コントラスト双安定散乱型液晶ライトバルブ。
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JP2015074791A JP6152399B2 (ja) | 2015-04-01 | 2015-04-01 | 高コントラスト双安定散乱型液晶ライトバルブ |
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JP2015074791A JP6152399B2 (ja) | 2015-04-01 | 2015-04-01 | 高コントラスト双安定散乱型液晶ライトバルブ |
Publications (2)
Publication Number | Publication Date |
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JP2016194627A true JP2016194627A (ja) | 2016-11-17 |
JP6152399B2 JP6152399B2 (ja) | 2017-06-21 |
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JP2015074791A Active JP6152399B2 (ja) | 2015-04-01 | 2015-04-01 | 高コントラスト双安定散乱型液晶ライトバルブ |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018186447A1 (ja) * | 2017-04-05 | 2018-10-11 | 株式会社オルタステクノロジー | 液晶調光装置及び液晶調光方法 |
JP2021026184A (ja) * | 2019-08-08 | 2021-02-22 | 日産自動車株式会社 | 表示装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50158582A (ja) * | 1974-06-12 | 1975-12-22 | ||
JPS5157188A (ja) * | 1974-11-14 | 1976-05-19 | Nippon Telegraph & Telephone | Matoritsukusugataekishochikuzosochi |
JPS59208531A (ja) * | 1983-04-29 | 1984-11-26 | エフ・ホフマン−ラ・ロシユ・ウント・コンパニ−・アクチエンゲゼルシヤフト | 液晶セル |
US20090136688A1 (en) * | 2007-11-26 | 2009-05-28 | Altierre Corporation | Low power bistable device and method |
US20100225853A1 (en) * | 2009-03-03 | 2010-09-09 | Wintek Corporation | Reflective color-changing liquid crystal display |
-
2015
- 2015-04-01 JP JP2015074791A patent/JP6152399B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50158582A (ja) * | 1974-06-12 | 1975-12-22 | ||
JPS5157188A (ja) * | 1974-11-14 | 1976-05-19 | Nippon Telegraph & Telephone | Matoritsukusugataekishochikuzosochi |
JPS59208531A (ja) * | 1983-04-29 | 1984-11-26 | エフ・ホフマン−ラ・ロシユ・ウント・コンパニ−・アクチエンゲゼルシヤフト | 液晶セル |
US20090136688A1 (en) * | 2007-11-26 | 2009-05-28 | Altierre Corporation | Low power bistable device and method |
US20100225853A1 (en) * | 2009-03-03 | 2010-09-09 | Wintek Corporation | Reflective color-changing liquid crystal display |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018186447A1 (ja) * | 2017-04-05 | 2018-10-11 | 株式会社オルタステクノロジー | 液晶調光装置及び液晶調光方法 |
JP2018180085A (ja) * | 2017-04-05 | 2018-11-15 | 株式会社 オルタステクノロジー | 液晶調光装置及び液晶調光方法 |
CN110476111A (zh) * | 2017-04-05 | 2019-11-19 | 凸版印刷株式会社 | 液晶调光装置及液晶调光方法 |
US11143890B2 (en) | 2017-04-05 | 2021-10-12 | Toppan Printing Co., Ltd. | Liquid crystal optical modulation device and liquid crystal optical modulation method |
CN110476111B (zh) * | 2017-04-05 | 2022-08-02 | 凸版印刷株式会社 | 液晶调光装置及液晶调光方法 |
JP2021026184A (ja) * | 2019-08-08 | 2021-02-22 | 日産自動車株式会社 | 表示装置 |
JP7438505B2 (ja) | 2019-08-08 | 2024-02-27 | 日産自動車株式会社 | 表示装置 |
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JP6152399B2 (ja) | 2017-06-21 |
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