JP2020056814A - 光スイッチング素子 - Google Patents
光スイッチング素子 Download PDFInfo
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- JP2020056814A JP2020056814A JP2018185094A JP2018185094A JP2020056814A JP 2020056814 A JP2020056814 A JP 2020056814A JP 2018185094 A JP2018185094 A JP 2018185094A JP 2018185094 A JP2018185094 A JP 2018185094A JP 2020056814 A JP2020056814 A JP 2020056814A
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133545—Dielectric stack polarisers
-
- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
-
- 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
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133536—Reflective polarizers
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
Description
<実施形態>
図1から図5を用いて、光スイッチング素子の構成例を説明する。ここでは、光スイッチング素子を、一例として反射型の液晶素子であるLCOS素子とする場合を説明する。
図3と図4に示すように、シール材42 がシール領域40をはずれ、それぞれ矢印方向に外周領域18側に流れ込んでも、実施形態では画素領域11と外周領域18及びシール領域40が凹凸のない平坦な形状であるため、均一な厚みで貼り合せることが可能となる。
10 駆動基板(第1の基板)
14 画素電極
15 画素ブロック
16 画素領域
17 171 増反射膜
18 外周領域
20 透明基板(第2の基板)
21 対向電極
30 液晶層
31 液晶
40 シール領域
41 液晶注入部
42 シール材
43 スペーサ材
50 封止材
D 隙間
Z ずれ
GP 間隙
Claims (2)
- 複数の画素電極を含む画素領域と前記画素領域の外部に配置される外周領域と、
シール領域と、
を有する駆動基板と
対向電極を有する透明基板とを有し、
前記駆動基板と前記透明基板とで液晶層を狭持し、
前記駆動基板の全面に、屈折率の異なる2つの誘電体膜を1組とし、
前記誘電体膜が1組以上積層してなる増反射膜が配置され、
前記増反射膜を構成する第1層目の前記誘電体膜は平坦化処理 を行うことを特徴とする光スイッチング素子。 - 複数の画素電極を含む画素領域と前記画素領域の外部に配置される外周領域と、
シール領域と、
を有する駆動基板と
対向電極を有する透明基板とを有し、
前記駆動基板と前記透明基板とで液晶層を狭持し、
前記画素領域と前記外周領域と前記シール領域の上面に、屈折率の異なる2つの誘電体膜を1組とし、
前記誘電体膜が1組以上積層してなる増反射膜が配置され、
前記増反射膜を構成する第1層目の前記誘電体膜は平坦化処理を行うことを特徴とする光スイッチング素子。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018185094A JP7124611B2 (ja) | 2018-09-28 | 2018-09-28 | 光スイッチング素子 |
PCT/JP2019/036440 WO2020066760A1 (ja) | 2018-09-28 | 2019-09-18 | 光スイッチング素子 |
US17/204,647 US11500242B2 (en) | 2018-09-28 | 2021-03-17 | Optical switching element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018185094A JP7124611B2 (ja) | 2018-09-28 | 2018-09-28 | 光スイッチング素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020056814A true JP2020056814A (ja) | 2020-04-09 |
JP7124611B2 JP7124611B2 (ja) | 2022-08-24 |
Family
ID=69949360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018185094A Active JP7124611B2 (ja) | 2018-09-28 | 2018-09-28 | 光スイッチング素子 |
Country Status (3)
Country | Link |
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US (1) | US11500242B2 (ja) |
JP (1) | JP7124611B2 (ja) |
WO (1) | WO2020066760A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04338721A (ja) * | 1991-05-16 | 1992-11-26 | Seiko Epson Corp | 反射型光変調パネル及び投射型表示装置 |
JPH08106088A (ja) * | 1994-10-05 | 1996-04-23 | Seiko Instr Inc | 空間光変調器およびその製造方法 |
JP2001021880A (ja) * | 1999-07-12 | 2001-01-26 | Yazaki Corp | 半値幅無段階可変液晶エタロン |
WO2014157673A1 (ja) * | 2013-03-29 | 2014-10-02 | 古河電気工業株式会社 | 波長選択光スイッチ装置、および波長選択光スイッチ装置の制御方法 |
US20180059431A1 (en) * | 2016-08-30 | 2018-03-01 | Accelink Technologies Co., Ltd. | Wavelength selective switch |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003131220A (ja) * | 2001-10-24 | 2003-05-08 | Seiko Epson Corp | 液晶表示装置および電子機器 |
TWI343492B (en) * | 2005-02-01 | 2011-06-11 | Samsung Electronics Co Ltd | Liquid crystal display and method of fabricating the same |
JP5945341B1 (ja) | 2015-02-05 | 2016-07-05 | 日本電信電話株式会社 | 空間位相変調器 |
CN108319064A (zh) * | 2018-02-06 | 2018-07-24 | 京东方科技集团股份有限公司 | 阵列基板、显示面板及显示装置 |
-
2018
- 2018-09-28 JP JP2018185094A patent/JP7124611B2/ja active Active
-
2019
- 2019-09-18 WO PCT/JP2019/036440 patent/WO2020066760A1/ja active Application Filing
-
2021
- 2021-03-17 US US17/204,647 patent/US11500242B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04338721A (ja) * | 1991-05-16 | 1992-11-26 | Seiko Epson Corp | 反射型光変調パネル及び投射型表示装置 |
JPH08106088A (ja) * | 1994-10-05 | 1996-04-23 | Seiko Instr Inc | 空間光変調器およびその製造方法 |
JP2001021880A (ja) * | 1999-07-12 | 2001-01-26 | Yazaki Corp | 半値幅無段階可変液晶エタロン |
WO2014157673A1 (ja) * | 2013-03-29 | 2014-10-02 | 古河電気工業株式会社 | 波長選択光スイッチ装置、および波長選択光スイッチ装置の制御方法 |
US20180059431A1 (en) * | 2016-08-30 | 2018-03-01 | Accelink Technologies Co., Ltd. | Wavelength selective switch |
Also Published As
Publication number | Publication date |
---|---|
US11500242B2 (en) | 2022-11-15 |
WO2020066760A1 (ja) | 2020-04-02 |
JP7124611B2 (ja) | 2022-08-24 |
US20210200056A1 (en) | 2021-07-01 |
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