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1. WO2020116008 - ELECTRO-OPTIC ELEMENT AND CONTAINER CONTAINING ELECTRO-OPTIC ELEMENT

Publication Number WO/2020/116008
Publication Date 11.06.2020
International Application No. PCT/JP2019/038707
International Filing Date 01.10.2019
IPC
G02F 1/1335 2006.01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices 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
01for the control of the intensity, phase, polarisation or colour
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
1333Constructional arrangements
1335Structural association of cells with optical devices, e.g. polarisers or reflectors
G02F 1/13 2006.01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices 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
01for the control of the intensity, phase, polarisation or colour
13based on liquid crystals, e.g. single liquid crystal display cells
G02F 1/13363 2006.01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices 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
01for the control of the intensity, phase, polarisation or colour
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
1333Constructional arrangements
1335Structural association of cells with optical devices, e.g. polarisers or reflectors
13363Birefringent elements, e.g. for optical compensation
Applicants
  • 株式会社ジャパンディスプレイ JAPAN DISPLAY INC. [JP]/[JP]
Inventors
  • 足立 昌哉 ADACHI Masaya
Agents
  • 特許業務法人高橋・林アンドパートナーズ TAKAHASHI, HAYASHI AND PARTNER PATENT ATTORNEYS, INC.
Priority Data
2018-22942406.12.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ELECTRO-OPTIC ELEMENT AND CONTAINER CONTAINING ELECTRO-OPTIC ELEMENT
(FR) ÉLÉMENT ÉLECTRO-OPTIQUE ET RÉCIPIENT CONTENANT L'ÉLÉMENT ÉLECTRO-OPTIQUE
(JA) 電気光学素子及び電気光学素子を含む収納容器
Abstract
(EN)
This electro-optic element comprises: a transmission polarization axis conversion unit which has a first surface and a second surface that is on the reverse side of the first surface, and in which a first substrate and a second substrate are arranged so as to face each other, and a first transparent electrode and a second transparent electrode are arranged between the first substrate and the second substrate, while having a liquid crystal layer arranged between the first substrate and the second substrate; an absorptive polarization unit which is arranged on the first surface side of the transmission polarization axis conversion unit, and which has a transmission polarization axis in a first direction, while having an absorption polarization axis in a second direction that is perpendicular to the first direction; a reflective polarization unit which is arranged on the second surface side of the transmission polarization axis conversion unit, and which has a transmission polarization axis in the first direction, while having a reflection polarization axis in the second direction; a wavelength selective polarization unit which is arranged between the transmission polarization axis conversion unit and the reflective polarization unit, and which has a transmission polarization axis in the first direction, while having an absorption polarization axis in the second direction, said absorption polarization axis absorbing light in a specific wavelength range among the visible light; and a phase control unit which is arranged on a side of the reflective polarization unit, said side being opposite to the wavelength selective polarization unit side.
(FR)
Cet élément électro-optique selon la présente invention comprend : une unité de conversion d'axe de polarisation de transmission qui a une première surface et une seconde surface qui est sur le côté inverse de la première surface, et dans laquelle un premier substrat et un second substrat sont agencés de façon à se faire face l'un à l'autre, et une première électrode transparente et une seconde électrode transparente sont disposées entre le premier substrat et le second substrat, tout en ayant une couche de cristaux liquides agencée entre le premier substrat et le second substrat ; une unité de polarisation absorbante qui est agencée sur le premier côté de surface de l'unité de conversion d'axe de polarisation de transmission, et qui a un axe de polarisation de transmission dans une première direction, tout en ayant un axe de polarisation d'absorption dans une seconde direction qui est perpendiculaire à la première direction ; une unité de polarisation réfléchissante qui est agencée sur le second côté de surface de l'unité de conversion d'axe de polarisation de transmission, et qui a un axe de polarisation de transmission dans la première direction, tout en ayant un axe de polarisation de réflexion dans la seconde direction ; une unité de polarisation sélective de longueur d'onde qui est agencée entre l'unité de conversion d'axe de polarisation de transmission et l'unité de polarisation réfléchissante, et qui a un axe de polarisation de transmission dans la première direction, tout en ayant un axe de polarisation d'absorption dans la seconde direction, ledit axe de polarisation d'absorption absorbant la lumière dans une plage de longueurs d'onde spécifique parmi la lumière visible ; et une unité de commande de phase qui est disposée sur un côté de l'unité de polarisation réfléchissante, ledit côté étant opposé au côté de l'unité de polarisation sélective de longueur d'onde.
(JA)
電気光学素子は、第1基板と第2基板とが対向配置され、第1基板と第2基板との間に第1透明電極と第2透明電極と、第1基板と第2基板との間の液晶層とが配置され、第1面と第1面の反対側の第2面とを有する透過偏光軸変換部と、透過偏光軸変換部の第1面側に配置され、第1方向に透過偏光軸を有し第1方向と直交する第2方向に吸収偏光軸を有する吸収型偏光部と、透過偏光軸変換部の第2面側に配置され、第1方向に透過偏光軸を有し第2方向に反射偏光軸を有する反射型偏光部と、透過偏光軸変換部と反射型偏光部との間に配置され、第1方向に透過偏光軸を有し第2方向に吸収偏光軸を有し、吸収偏光軸は可視光のうち特定波長帯域の光を吸収する波長選択偏光部と、反射型偏光部の波長選択偏光部とは反対側に配置された位相制御部とを有する。
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