CN114174905A - 显示设备及其背光单元 - Google Patents

显示设备及其背光单元 Download PDF

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Publication number
CN114174905A
CN114174905A CN202080052655.7A CN202080052655A CN114174905A CN 114174905 A CN114174905 A CN 114174905A CN 202080052655 A CN202080052655 A CN 202080052655A CN 114174905 A CN114174905 A CN 114174905A
Authority
CN
China
Prior art keywords
circuit board
printed circuit
light sources
display device
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
CN202080052655.7A
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English (en)
Chinese (zh)
Inventor
堵光磊
德米特里·弗拉迪斯拉沃维奇·库森科夫
克里斯托弗·迈克尔·林恩
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.)
Corning Inc
Original Assignee
Corning 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 Corning Inc filed Critical Corning Inc
Publication of CN114174905A publication Critical patent/CN114174905A/zh
Pending legal-status Critical Current

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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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133612—Electrical details
    • 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
    • G02F2201/54—Arrangements for reducing warping-twist
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements

Landscapes

  • 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)
CN202080052655.7A 2019-06-26 2020-06-10 显示设备及其背光单元 Pending CN114174905A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962866949P 2019-06-26 2019-06-26
US62/866,949 2019-06-26
PCT/US2020/036901 WO2020263563A1 (en) 2019-06-26 2020-06-10 Display device and backlight unit therefor

Publications (1)

Publication Number Publication Date
CN114174905A true CN114174905A (zh) 2022-03-11

Family

ID=74059848

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080052655.7A Pending CN114174905A (zh) 2019-06-26 2020-06-10 显示设备及其背光单元

Country Status (6)

Country Link
US (1) US11880057B2 (https=)
JP (1) JP2022540034A (https=)
KR (1) KR20220025042A (https=)
CN (1) CN114174905A (https=)
TW (1) TW202105022A (https=)
WO (1) WO2020263563A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117092851A (zh) * 2022-05-20 2023-11-21 大陆汽车科技有限公司 显示设备和交通工具

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI856680B (zh) * 2023-05-29 2024-09-21 達運精密工業股份有限公司 背光模組

Citations (7)

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WO2008152563A1 (en) * 2007-06-14 2008-12-18 Koninklijke Philips Electronics N.V. Accurate light source - optics positioning system and method
CN102227586A (zh) * 2008-11-27 2011-10-26 夏普株式会社 照明装置、显示装置和电视接收装置
CN102287677A (zh) * 2011-05-09 2011-12-21 深圳市华星光电技术有限公司 Led光源组件、背光模组及液晶显示装置
CN102734699A (zh) * 2011-04-14 2012-10-17 乐金显示有限公司 背光单元和包括所述背光单元的液晶显示器件
CN103548160A (zh) * 2011-03-25 2014-01-29 夏普株式会社 发光装置、照明装置以及显示装置
WO2019046340A1 (en) * 2017-08-29 2019-03-07 Corning Incorporated 2D DIRECT GRADATION DIRECT LIGHTING BACKLIGHT UNIT
US20190182970A1 (en) * 2017-12-12 2019-06-13 Samsung Display Co., Ltd. Backlight unit and display device including the same

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EP1889302B1 (en) 2005-05-25 2009-12-30 Koninklijke Philips Electronics N.V. Illumination system with leds
JP4280283B2 (ja) 2006-01-27 2009-06-17 株式会社オプトデザイン 面照明光源装置及びこれを用いた面照明装置
TWI327243B (en) * 2006-03-17 2010-07-11 Chimei Innolux Corp Liquid crystal panel
JP4764962B2 (ja) 2007-06-22 2011-09-07 株式会社オプトデザイン 面照明光源装置及び面照明装置
JP4538675B2 (ja) 2007-10-26 2010-09-08 株式会社オプトデザイン 面照明ユニット、面照明光源装置、および面照明装置
EP2422237A4 (en) * 2009-04-21 2012-10-17 Lg Electronics Inc LIGHT EMITTING DEVICE
US20120074450A1 (en) * 2009-08-13 2012-03-29 Taica Corporation Optical gel member, assembling method of optical device and optical device using the same
JP5648162B2 (ja) 2009-11-16 2015-01-07 株式会社オプトデザイン 面光源ユニット、面照明装置及び液晶表示装置
EP2527718A4 (en) * 2010-01-22 2014-03-19 Sharp Kk LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER
JP5566785B2 (ja) * 2010-06-22 2014-08-06 日東電工株式会社 複合シート
US20150234117A1 (en) * 2012-09-19 2015-08-20 Sharp Kabushiki Kaisha Light-source device and display device provided with same
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CN104298003A (zh) * 2014-10-21 2015-01-21 京东方科技集团股份有限公司 一种背光源及显示装置
JP6493345B2 (ja) * 2016-09-16 2019-04-03 日亜化学工業株式会社 発光装置
WO2019040686A1 (en) 2017-08-24 2019-02-28 Corning Incorporated BACKLIGHT UNIT COMPRISING A GUIDE PLATE OF LIGHT
WO2019046328A1 (en) 2017-08-29 2019-03-07 Corning Incorporated MULTILAYER REFLECTOR FOR BACKLIGHTS WITH DIRECT LIGHTING
TW202036060A (zh) 2018-11-12 2020-10-01 美商康寧公司 包括圖案化反射器之背光、擴散板及製造背光之方法
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Publication number Priority date Publication date Assignee Title
WO2008152563A1 (en) * 2007-06-14 2008-12-18 Koninklijke Philips Electronics N.V. Accurate light source - optics positioning system and method
CN102227586A (zh) * 2008-11-27 2011-10-26 夏普株式会社 照明装置、显示装置和电视接收装置
CN103548160A (zh) * 2011-03-25 2014-01-29 夏普株式会社 发光装置、照明装置以及显示装置
CN102734699A (zh) * 2011-04-14 2012-10-17 乐金显示有限公司 背光单元和包括所述背光单元的液晶显示器件
CN102287677A (zh) * 2011-05-09 2011-12-21 深圳市华星光电技术有限公司 Led光源组件、背光模组及液晶显示装置
WO2019046340A1 (en) * 2017-08-29 2019-03-07 Corning Incorporated 2D DIRECT GRADATION DIRECT LIGHTING BACKLIGHT UNIT
US20190182970A1 (en) * 2017-12-12 2019-06-13 Samsung Display Co., Ltd. Backlight unit and display device including the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117092851A (zh) * 2022-05-20 2023-11-21 大陆汽车科技有限公司 显示设备和交通工具

Also Published As

Publication number Publication date
JP2022540034A (ja) 2022-09-14
US11880057B2 (en) 2024-01-23
KR20220025042A (ko) 2022-03-03
WO2020263563A1 (en) 2020-12-30
US20220308277A1 (en) 2022-09-29
TW202105022A (zh) 2021-02-01

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Application publication date: 20220311