CN115047555A - 面状照明装置 - Google Patents

面状照明装置 Download PDF

Info

Publication number
CN115047555A
CN115047555A CN202210220393.1A CN202210220393A CN115047555A CN 115047555 A CN115047555 A CN 115047555A CN 202210220393 A CN202210220393 A CN 202210220393A CN 115047555 A CN115047555 A CN 115047555A
Authority
CN
China
Prior art keywords
light
guide plate
light guide
incident side
lighting device
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
CN202210220393.1A
Other languages
English (en)
Chinese (zh)
Inventor
安达和正
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.)
MinebeaMitsumi Inc
Original Assignee
MinebeaMitsumi Inc
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 MinebeaMitsumi Inc filed Critical MinebeaMitsumi Inc
Publication of CN115047555A publication Critical patent/CN115047555A/zh
Pending legal-status Critical Current

Links

Images

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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • 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
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • 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

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)
  • Planar Illumination Modules (AREA)
CN202210220393.1A 2021-03-08 2022-03-08 面状照明装置 Pending CN115047555A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021036327A JP7620452B2 (ja) 2021-03-08 2021-03-08 面状照明装置
JP2021-036327 2021-03-08

Publications (1)

Publication Number Publication Date
CN115047555A true CN115047555A (zh) 2022-09-13

Family

ID=83116089

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210220393.1A Pending CN115047555A (zh) 2021-03-08 2022-03-08 面状照明装置

Country Status (3)

Country Link
US (1) US11650366B2 (enExample)
JP (1) JP7620452B2 (enExample)
CN (1) CN115047555A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2024048002A1 (enExample) 2022-08-30 2024-03-07

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4640188B2 (ja) 2006-01-18 2011-03-02 三菱電機株式会社 面状光源装置
KR101525839B1 (ko) * 2009-05-25 2015-06-08 삼성전자주식회사 백라이트 유닛 및 그를 구비한 액정표시장치
WO2011114598A1 (ja) 2010-03-16 2011-09-22 シャープ株式会社 エッジライト式面状光源装置、及び液晶表示装置
JP4782232B1 (ja) 2010-04-09 2011-09-28 シャープ株式会社 光源モジュール、及びそれを備えた電子機器
US20130135901A1 (en) * 2010-08-09 2013-05-30 Sharp Kabushiki Kaisha Illumination device and display device
JP2012084303A (ja) * 2010-10-08 2012-04-26 Sharp Corp 光源モジュールおよび電子機器
JP2012084304A (ja) * 2010-10-08 2012-04-26 Sharp Corp 光源モジュールおよび電子機器
WO2012086509A1 (ja) 2010-12-22 2012-06-28 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
TWI522694B (zh) 2014-01-29 2016-02-21 群創光電股份有限公司 背光模組及包含其之顯示器
JP6242723B2 (ja) 2014-03-14 2017-12-06 日本精機株式会社 照明装置及び表示装置
US9759851B2 (en) * 2015-04-01 2017-09-12 Microsoft Technology Licensing, Llc Thermal expansion compensated backlight illumination
WO2017195688A1 (ja) 2016-05-11 2017-11-16 シャープ株式会社 照明装置及び表示装置

Also Published As

Publication number Publication date
US11650366B2 (en) 2023-05-16
JP7620452B2 (ja) 2025-01-23
JP2022136623A (ja) 2022-09-21
US20220283361A1 (en) 2022-09-08

Similar Documents

Publication Publication Date Title
KR101529579B1 (ko) 백라이트 어셈블리, 그를 포함하는 표시 장치 및 표시 장치의 제조 방법
EP2045653B1 (en) Liquid crystal display module
JP4029900B2 (ja) 面光源装置
US7674029B2 (en) Light guide device and light guide plate using the same
KR101661477B1 (ko) 액정 표시 장치
US20100277664A1 (en) Liquid crystal display
CN104471305B (zh) 照明装置、显示装置以及电视接收装置
US8355096B2 (en) Illumination device and liquid crystal display device including the same
CN102621744B (zh) 一种液晶显示装置
JP2013058468A (ja) 液晶表示装置および電子機器
JP5747729B2 (ja) 照明装置、液晶表示装置および電子機器
JP2006032020A (ja) 液晶表示装置
JP5878976B2 (ja) バックライトユニット及び液晶表示装置
KR20100053940A (ko) 액정 표시 장치 및 이의 조립 방법
CN205480251U (zh) 面状照明装置
JP3985231B2 (ja) 面状照明装置
CN115047555A (zh) 面状照明装置
US20110205755A1 (en) Surface light source device and display device
JP5578559B2 (ja) バックライトユニットおよび液晶表示装置
JP5447944B2 (ja) 面状照明装置
CN215340620U (zh) 背光模组的支架组件、背光模组以及电子设备
CN215219371U (zh) 面状照明装置
JP2005134554A (ja) バックライト装置
JP2012237827A (ja) 液晶モジュール
JP4438539B2 (ja) 表示装置および面状光源装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination