JP7145738B2 - 光線方向制御装置 - Google Patents

光線方向制御装置 Download PDF

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Publication number
JP7145738B2
JP7145738B2 JP2018222198A JP2018222198A JP7145738B2 JP 7145738 B2 JP7145738 B2 JP 7145738B2 JP 2018222198 A JP2018222198 A JP 2018222198A JP 2018222198 A JP2018222198 A JP 2018222198A JP 7145738 B2 JP7145738 B2 JP 7145738B2
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Japan
Prior art keywords
light
transparent electrode
voltage
transparent
direction control
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JP2018222198A
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English (en)
Japanese (ja)
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JP2020086210A (ja
JP2020086210A5 (https=
Inventor
哲史 佐藤
和敬 益村
国弘 塩田
憲一 高取
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Tianma Japan Ltd
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Tianma Japan Ltd
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Publication date
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Priority to JP2018222198A priority Critical patent/JP7145738B2/ja
Priority to US16/697,511 priority patent/US10791594B2/en
Publication of JP2020086210A publication Critical patent/JP2020086210A/ja
Publication of JP2020086210A5 publication Critical patent/JP2020086210A5/ja
Application granted granted Critical
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/042—Controlling the light-intensity of the source by measuring the incident light
    • 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 
    • G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
    • G02F1/166—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
    • G02F1/167—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3058—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state comprising electrically conductive elements, e.g. wire grids, conductive particles
    • 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
    • G02F1/1323—Arrangements for providing a switchable viewing angle
    • 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/026—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light based on the rotation of particles under the influence of an external field, e.g. gyricons, twisting ball displays

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
JP2018222198A 2018-11-28 2018-11-28 光線方向制御装置 Active JP7145738B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018222198A JP7145738B2 (ja) 2018-11-28 2018-11-28 光線方向制御装置
US16/697,511 US10791594B2 (en) 2018-11-28 2019-11-27 Light beam direction control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018222198A JP7145738B2 (ja) 2018-11-28 2018-11-28 光線方向制御装置

Publications (3)

Publication Number Publication Date
JP2020086210A JP2020086210A (ja) 2020-06-04
JP2020086210A5 JP2020086210A5 (https=) 2021-12-16
JP7145738B2 true JP7145738B2 (ja) 2022-10-03

Family

ID=70771068

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018222198A Active JP7145738B2 (ja) 2018-11-28 2018-11-28 光線方向制御装置

Country Status (2)

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US (1) US10791594B2 (https=)
JP (1) JP7145738B2 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10908473B2 (en) * 2017-12-11 2021-02-02 Tianma Japan, Ltd. Light beam direction controlling device and driving method for a light beam direction control element
KR102930796B1 (ko) * 2020-06-08 2026-02-24 엘지디스플레이 주식회사 시야각 조절 패널 및 이를 구비한 시야각 조절 표시 장치
KR102818504B1 (ko) * 2020-06-30 2025-06-10 엘지이노텍 주식회사 광 경로 제어 부재 및 이를 포함하는 디스플레이 장치
CN112255799B (zh) * 2020-11-09 2023-03-21 Oppo广东移动通信有限公司 可穿戴设备及可穿戴设备的控制方法
CN114690480B (zh) * 2020-12-25 2025-10-10 福州京东方光电科技有限公司 一种叠屏显示装置和显示装置的控制方法
KR102873769B1 (ko) * 2021-12-10 2025-10-17 엘지디스플레이 주식회사 디스플레이 패널
KR102850618B1 (ko) * 2021-12-24 2025-08-27 엘지디스플레이 주식회사 시야각 제어 필름 및 이를 포함하는 표시장치

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004061834A (ja) 2002-07-29 2004-02-26 Canon Inc 電気泳動光量調整素子とその駆動方法およびこれを用いた装置
JP2005527001A (ja) 2002-05-24 2005-09-08 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 起電表示パネル
US20070139765A1 (en) 2005-12-21 2007-06-21 Xerox Corporation Microfabricated light collimating screen
WO2015122083A1 (ja) 2014-02-17 2015-08-20 Ｎｌｔテクノロジー株式会社 光学素子及びその製造方法，該光学素子を有する表示装置，電子機器，及び照明装置
WO2015151579A1 (ja) 2014-04-04 2015-10-08 ソニー株式会社 調光モジュール、調光システムおよび撮像装置
US20150355521A1 (en) 2014-06-05 2015-12-10 Daniel James Alton See-through dimming panel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3113935B2 (ja) * 1995-04-24 2000-12-04 株式会社アドバンスト・ディスプレイ 投射型表示装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005527001A (ja) 2002-05-24 2005-09-08 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 起電表示パネル
JP2004061834A (ja) 2002-07-29 2004-02-26 Canon Inc 電気泳動光量調整素子とその駆動方法およびこれを用いた装置
US20070139765A1 (en) 2005-12-21 2007-06-21 Xerox Corporation Microfabricated light collimating screen
WO2015122083A1 (ja) 2014-02-17 2015-08-20 Ｎｌｔテクノロジー株式会社 光学素子及びその製造方法，該光学素子を有する表示装置，電子機器，及び照明装置
WO2015151579A1 (ja) 2014-04-04 2015-10-08 ソニー株式会社 調光モジュール、調光システムおよび撮像装置
US20150355521A1 (en) 2014-06-05 2015-12-10 Daniel James Alton See-through dimming panel

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US20200170087A1 (en) 2020-05-28
JP2020086210A (ja) 2020-06-04
US10791594B2 (en) 2020-09-29

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