JP2022540034A - 表示デバイス及びそのためのバックライトユニット - Google Patents

表示デバイス及びそのためのバックライトユニット Download PDF

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Publication number
JP2022540034A
JP2022540034A JP2021577334A JP2021577334A JP2022540034A JP 2022540034 A JP2022540034 A JP 2022540034A JP 2021577334 A JP2021577334 A JP 2021577334A JP 2021577334 A JP2021577334 A JP 2021577334A JP 2022540034 A JP2022540034 A JP 2022540034A
Authority
JP
Japan
Prior art keywords
circuit board
printed circuit
standoffs
display device
light sources
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.)
Abandoned
Application number
JP2021577334A
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English (en)
Japanese (ja)
Other versions
JP2022540034A5 (https=
Inventor
グァンレイ ドゥ
ドミトリー ヴラディスラヴォヴィチ ククセンコフ
クリストファー マイケル リン
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 JP2022540034A publication Critical patent/JP2022540034A/ja
Publication of JP2022540034A5 publication Critical patent/JP2022540034A5/ja
Abandoned 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)
JP2021577334A 2019-06-26 2020-06-10 表示デバイス及びそのためのバックライトユニット Abandoned JP2022540034A (ja)

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 (2)

Publication Number Publication Date
JP2022540034A true JP2022540034A (ja) 2022-09-14
JP2022540034A5 JP2022540034A5 (https=) 2023-04-18

Family

ID=74059848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021577334A Abandoned JP2022540034A (ja) 2019-06-26 2020-06-10 表示デバイス及びそのためのバックライトユニット

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=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022205083A1 (de) * 2022-05-20 2023-11-23 Continental Automotive Technologies GmbH Anzeigevorrichtung und Fortbewegungsmittel
TWI856680B (zh) * 2023-05-29 2024-09-21 達運精密工業股份有限公司 背光模組

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2008152563A1 (en) * 2007-06-14 2008-12-18 Koninklijke Philips Electronics N.V. Accurate light source - optics positioning system and method
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
BRPI0921229A2 (pt) * 2008-11-27 2016-02-23 Sharp Kk dispositivo de iluminação, dispositivo de vídeo e receptor de televisão.
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
JP5449274B2 (ja) * 2011-03-25 2014-03-19 シャープ株式会社 照明装置、および表示装置
KR101804892B1 (ko) * 2011-04-14 2017-12-06 엘지디스플레이 주식회사 발광다이오드어셈블리 및 그를 포함한 액정표시장치
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
US20150234117A1 (en) * 2012-09-19 2015-08-20 Sharp Kabushiki Kaisha Light-source device and display device provided with same
US9110216B2 (en) * 2012-11-07 2015-08-18 Cooper Technologies Company Edgelit lighting fixture and assembly
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
WO2019046340A1 (en) * 2017-08-29 2019-03-07 Corning Incorporated 2D DIRECT GRADATION DIRECT LIGHTING BACKLIGHT UNIT
KR102521226B1 (ko) * 2017-12-12 2023-04-13 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시 장치
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
US11513392B1 (en) * 2021-09-23 2022-11-29 Apple Inc. Direct-lit backlight units with optical films

Also Published As

Publication number Publication date
US11880057B2 (en) 2024-01-23
KR20220025042A (ko) 2022-03-03
WO2020263563A1 (en) 2020-12-30
US20220308277A1 (en) 2022-09-29
CN114174905A (zh) 2022-03-11
TW202105022A (zh) 2021-02-01

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