CN118984968A - 面发光装置、显示装置以及照明装置 - Google Patents

面发光装置、显示装置以及照明装置 Download PDF

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Publication number
CN118984968A
CN118984968A CN202380031514.0A CN202380031514A CN118984968A CN 118984968 A CN118984968 A CN 118984968A CN 202380031514 A CN202380031514 A CN 202380031514A CN 118984968 A CN118984968 A CN 118984968A
Authority
CN
China
Prior art keywords
light
light source
emitting device
light sources
control unit
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
CN202380031514.0A
Other languages
English (en)
Chinese (zh)
Inventor
上水和平
高田和政
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co 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.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of CN118984968A publication Critical patent/CN118984968A/zh
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02F1/1336—Illuminating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
CN202380031514.0A 2022-04-13 2023-02-15 面发光装置、显示装置以及照明装置 Pending CN118984968A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022-066127 2022-04-13
JP2022066127 2022-04-13
PCT/JP2023/005267 WO2023199592A1 (ja) 2022-04-13 2023-02-15 面発光装置、表示装置、及び照明装置

Publications (1)

Publication Number Publication Date
CN118984968A true CN118984968A (zh) 2024-11-19

Family

ID=88329258

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380031514.0A Pending CN118984968A (zh) 2022-04-13 2023-02-15 面发光装置、显示装置以及照明装置

Country Status (5)

Country Link
US (1) US12416756B2 (https=)
EP (1) EP4509753A4 (https=)
JP (1) JPWO2023199592A1 (https=)
CN (1) CN118984968A (https=)
WO (1) WO2023199592A1 (https=)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4757577B2 (ja) 2005-09-14 2011-08-24 日本電気株式会社 光源装置、表示装置、端末装置、光源ユニット及び光源装置の駆動方法
WO2011024960A1 (ja) * 2009-08-27 2011-03-03 シャープ株式会社 導光板ユニット、面光源装置及び表示装置
KR20120088121A (ko) * 2011-01-31 2012-08-08 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
TWI499815B (zh) * 2013-10-22 2015-09-11 Univ Nat Chiao Tung 背光模組
JP6397789B2 (ja) 2014-07-04 2018-09-26 株式会社ジャパンディスプレイ 面光源装置及び液晶表示装置
JP2018045778A (ja) * 2016-09-12 2018-03-22 株式会社ジャパンディスプレイ 照明装置
JP7081977B2 (ja) * 2018-05-17 2022-06-07 スタンレー電気株式会社 車両用灯具
JP2020021640A (ja) * 2018-08-01 2020-02-06 ミネベアミツミ株式会社 面状照明装置
EP3961292A4 (en) 2019-04-26 2022-06-22 Panasonic Intellectual Property Management Co., Ltd. Optical system, illumination system, display system, and mobile body
JP7262029B2 (ja) * 2019-08-08 2023-04-21 パナソニックＩｐマネジメント株式会社 光学システム、照明システム、表示システム及び移動体
JP2019164386A (ja) 2019-06-26 2019-09-26 日東電工株式会社 液晶表示装置
JP7493149B2 (ja) * 2020-10-28 2024-05-31 パナソニックＩｐマネジメント株式会社 光屈折部材、光学システム、照明システム、表示システム、移動体及び金型
WO2022138211A1 (ja) * 2020-12-24 2022-06-30 日亜化学工業株式会社 発光モジュール及びレンズ
WO2022230370A1 (ja) * 2021-04-28 2022-11-03 パナソニックＩｐマネジメント株式会社 光学システム、照明システム、表示システム及び移動体
CN113359349A (zh) * 2021-06-02 2021-09-07 深圳市华星光电半导体显示技术有限公司 一种背光模组及显示装置
JP2024069025A (ja) * 2022-11-09 2024-05-21 オムロン株式会社 表示装置及び遊技機

Also Published As

Publication number Publication date
US12416756B2 (en) 2025-09-16
WO2023199592A1 (ja) 2023-10-19
US20250028108A1 (en) 2025-01-23
EP4509753A4 (en) 2025-08-06
EP4509753A1 (en) 2025-02-19
JPWO2023199592A1 (https=) 2023-10-19

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