JP2023118824A - 反射部材及び光源装置 - Google Patents

反射部材及び光源装置 Download PDF

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Publication number
JP2023118824A
JP2023118824A JP2023109270A JP2023109270A JP2023118824A JP 2023118824 A JP2023118824 A JP 2023118824A JP 2023109270 A JP2023109270 A JP 2023109270A JP 2023109270 A JP2023109270 A JP 2023109270A JP 2023118824 A JP2023118824 A JP 2023118824A
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JP
Japan
Prior art keywords
region
wall
wall portion
reflecting member
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2023109270A
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English (en)
Japanese (ja)
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JP2023118824A5 (https=
Inventor
俊幸 橋本
Toshiyuki Hashimoto
直哉 柏木
Naoya Kashiwagi
敏伸 勝俣
Toshinobu Katsumata
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Nichia Chemical Industries Ltd
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Nichia Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from JP2022023806A external-priority patent/JP7311810B2/ja
Application filed by Nichia Chemical Industries Ltd filed Critical Nichia Chemical Industries Ltd
Publication of JP2023118824A publication Critical patent/JP2023118824A/ja
Publication of JP2023118824A5 publication Critical patent/JP2023118824A5/ja
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/08Mirrors
    • G02B5/09Multifaceted or polygonal mirrors, e.g. polygonal scanning mirrors; Fresnel mirrors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133605Direct backlight including specially adapted reflectors
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • G02B19/0066Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553Reflecting elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133603Direct backlight with LEDs
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133611Direct backlight including means for improving the brightness uniformity
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/13362Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
JP2023109270A 2021-03-24 2023-07-03 反射部材及び光源装置 Pending JP2023118824A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021049435 2021-03-24
JP2021049435 2021-03-24
JP2022023806A JP7311810B2 (ja) 2021-03-24 2022-02-18 反射部材及び光源装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2022023806A Division JP7311810B2 (ja) 2021-03-24 2022-02-18 反射部材及び光源装置

Publications (2)

Publication Number Publication Date
JP2023118824A true JP2023118824A (ja) 2023-08-25
JP2023118824A5 JP2023118824A5 (https=) 2025-02-26

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JP2023109270A Pending JP2023118824A (ja) 2021-03-24 2023-07-03 反射部材及び光源装置

Country Status (4)

Country Link
US (1) US20220308272A1 (https=)
EP (1) EP4063945B1 (https=)
JP (1) JP2023118824A (https=)
CN (2) CN115128865B (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023276328A1 (ja) * 2021-06-28 2023-01-05 ミネベアミツミ株式会社 面状照明装置
DE102022205566A1 (de) 2022-06-01 2023-12-07 Continental Automotive Technologies GmbH Anzeigevorrichtung und Fortbewegungsmittel
DE102022205568A1 (de) * 2022-06-01 2023-12-07 Continental Automotive Technologies GmbH Anzeigevorrichtung und Fortbewegungsmittel
DE102023206277A1 (de) * 2023-07-03 2025-01-09 Continental Automotive Technologies GmbH Anzeigevorrichtung und Fortbewegungsmittel
JP2025165173A (ja) * 2024-04-22 2025-11-04 シャープディスプレイテクノロジー株式会社 照明装置

Citations (8)

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JP2004029738A (ja) * 2002-06-22 2004-01-29 Samsung Electronics Co Ltd バックライトアセンブリ及びこれを有する液晶表示装置
JP2009518798A (ja) * 2005-12-07 2009-05-07 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 照明モジュール
WO2012029601A1 (ja) * 2010-08-31 2012-03-08 シャープ株式会社 照明装置、表示装置及びテレビ受信装置
JP2013247038A (ja) * 2012-05-28 2013-12-09 Sharp Corp 照明装置および表示装置
JP2016062765A (ja) * 2014-09-18 2016-04-25 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
US20170023828A1 (en) * 2015-07-21 2017-01-26 Lg Display Co., Ltd. Backlight Unit and Liquid Crystal Display Device Including the Same
JP2019024071A (ja) * 2017-07-21 2019-02-14 日亜化学工業株式会社 発光装置、集積型発光装置および発光モジュール
JP2021022531A (ja) * 2019-07-30 2021-02-18 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置

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JP3653164B2 (ja) * 1997-07-07 2005-05-25 アルプス電気株式会社 反射体及びその製造方法と反射型液晶表示装置
EP1761806B1 (en) * 2004-06-17 2013-02-27 Koninklijke Philips Electronics N.V. An optical separating filter
JP5322892B2 (ja) * 2009-11-06 2013-10-23 シャープ株式会社 照明装置、それを備えた表示装置およびテレビ受信装置
JP2011119180A (ja) * 2009-12-07 2011-06-16 Panasonic Corp 照明装置
US20130128128A1 (en) * 2010-07-30 2013-05-23 Sharp Kabushiki Kaisha Lighting device, display device and television device
WO2012029598A1 (ja) * 2010-08-31 2012-03-08 シャープ株式会社 照明装置、表示装置及びテレビ受信装置
JP5228089B2 (ja) * 2011-07-06 2013-07-03 シャープ株式会社 発光装置および表示装置
US10061159B2 (en) * 2015-08-11 2018-08-28 Canon Kabushiki Kaisha Light-emitting apparatus and image display apparatus with a partition member separating adjacent light source units
JP2019197093A (ja) * 2018-05-08 2019-11-14 日本精機株式会社 表示装置及び照明装置
CN209343097U (zh) * 2019-01-31 2019-09-03 中强光电股份有限公司 反射片、光源模块以及显示装置
CN111668202B (zh) * 2019-03-08 2025-12-05 日亚化学工业株式会社 光源装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004029738A (ja) * 2002-06-22 2004-01-29 Samsung Electronics Co Ltd バックライトアセンブリ及びこれを有する液晶表示装置
JP2009518798A (ja) * 2005-12-07 2009-05-07 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 照明モジュール
WO2012029601A1 (ja) * 2010-08-31 2012-03-08 シャープ株式会社 照明装置、表示装置及びテレビ受信装置
JP2013247038A (ja) * 2012-05-28 2013-12-09 Sharp Corp 照明装置および表示装置
JP2016062765A (ja) * 2014-09-18 2016-04-25 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
US20170023828A1 (en) * 2015-07-21 2017-01-26 Lg Display Co., Ltd. Backlight Unit and Liquid Crystal Display Device Including the Same
JP2019024071A (ja) * 2017-07-21 2019-02-14 日亜化学工業株式会社 発光装置、集積型発光装置および発光モジュール
JP2021022531A (ja) * 2019-07-30 2021-02-18 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置

Also Published As

Publication number Publication date
CN119861508A (zh) 2025-04-22
CN115128865A (zh) 2022-09-30
CN115128865B (zh) 2025-03-14
EP4063945A1 (en) 2022-09-28
US20220308272A1 (en) 2022-09-29
EP4063945B1 (en) 2025-12-24

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