JP6585892B2 - 液晶表示装置 - Google Patents

液晶表示装置 Download PDF

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Publication number
JP6585892B2
JP6585892B2 JP2014217462A JP2014217462A JP6585892B2 JP 6585892 B2 JP6585892 B2 JP 6585892B2 JP 2014217462 A JP2014217462 A JP 2014217462A JP 2014217462 A JP2014217462 A JP 2014217462A JP 6585892 B2 JP6585892 B2 JP 6585892B2
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JP
Japan
Prior art keywords
light
incident surface
guide plate
light guide
region
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.)
Active
Application number
JP2014217462A
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English (en)
Japanese (ja)
Other versions
JP2016085329A5 (enExample
JP2016085329A (ja
Inventor
恭久 白石
恭久 白石
智久 尾西
智久 尾西
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.)
Japan Display Inc
Original Assignee
Japan Display 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 Japan Display Inc filed Critical Japan Display Inc
Priority to JP2014217462A priority Critical patent/JP6585892B2/ja
Priority to US14/920,632 priority patent/US9885913B2/en
Publication of JP2016085329A publication Critical patent/JP2016085329A/ja
Publication of JP2016085329A5 publication Critical patent/JP2016085329A5/ja
Priority to US15/854,069 priority patent/US10578922B2/en
Application granted granted Critical
Publication of JP6585892B2 publication Critical patent/JP6585892B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • 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
    • G02B6/0066—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
    • G02B6/0073—Light emitting diode [LED]
    • 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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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

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)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
JP2014217462A 2014-10-24 2014-10-24 液晶表示装置 Active JP6585892B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2014217462A JP6585892B2 (ja) 2014-10-24 2014-10-24 液晶表示装置
US14/920,632 US9885913B2 (en) 2014-10-24 2015-10-22 Liquid crystal display device
US15/854,069 US10578922B2 (en) 2014-10-24 2017-12-26 Liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014217462A JP6585892B2 (ja) 2014-10-24 2014-10-24 液晶表示装置

Publications (3)

Publication Number Publication Date
JP2016085329A JP2016085329A (ja) 2016-05-19
JP2016085329A5 JP2016085329A5 (enExample) 2017-12-07
JP6585892B2 true JP6585892B2 (ja) 2019-10-02

Family

ID=55791853

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014217462A Active JP6585892B2 (ja) 2014-10-24 2014-10-24 液晶表示装置

Country Status (2)

Country Link
US (2) US9885913B2 (enExample)
JP (1) JP6585892B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6585892B2 (ja) * 2014-10-24 2019-10-02 株式会社ジャパンディスプレイ 液晶表示装置
US9921356B2 (en) * 2015-09-23 2018-03-20 Apple Inc. Display Backlight with Light Mixing Structures
CN107390434A (zh) 2017-09-19 2017-11-24 京东方科技集团股份有限公司 背光模组及其组装方法以及显示面板
JP6498258B1 (ja) * 2017-11-17 2019-04-10 ミネベアミツミ株式会社 面状照明装置
CN109616024B (zh) * 2018-10-31 2020-12-08 武汉华星光电技术有限公司 面光源及采用该面光源的显示装置
JP2025005139A (ja) 2023-06-27 2025-01-16 ミネベアミツミ株式会社 面状照明装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4122738B2 (ja) * 2001-07-26 2008-07-23 松下電工株式会社 発光装置の製造方法
KR20070043102A (ko) * 2005-10-20 2007-04-25 삼성전자주식회사 점광원용 광 가이드 유닛, 이를 갖는 백라이트 어셈블리 및표시 장치
JP5176273B2 (ja) * 2005-12-28 2013-04-03 日亜化学工業株式会社 発光装置及びその製造方法
JP2011014520A (ja) * 2008-12-04 2011-01-20 Seiko Instruments Inc 照明装置及び表示装置
TWI396905B (zh) * 2009-09-15 2013-05-21 Young Lighting Technology Corp 背光模組
KR20120019249A (ko) * 2010-08-25 2012-03-06 삼성모바일디스플레이주식회사 백라이트 유닛 및 이를 포함하는 액정 표시 장치
JP2012155999A (ja) * 2011-01-26 2012-08-16 Jvc Kenwood Corp 照明装置及び画像表示装置
JP5773792B2 (ja) * 2011-08-03 2015-09-02 株式会社ジャパンディスプレイ 表示装置
JP2013069498A (ja) 2011-09-21 2013-04-18 Minebea Co Ltd 面状照明装置
JP2013093199A (ja) 2011-10-04 2013-05-16 Asahi Kasei Corp 導光板、面光源装置、及び表示装置
JP2013101892A (ja) * 2011-11-10 2013-05-23 Minebea Co Ltd 面状照明装置
JP5917180B2 (ja) * 2012-02-09 2016-05-11 ミネベア株式会社 面状照明装置
US9170364B2 (en) * 2012-12-05 2015-10-27 Rambus Delaware Llc Lighting assembly with a light guide having light-redirecting edge features
JP6585892B2 (ja) * 2014-10-24 2019-10-02 株式会社ジャパンディスプレイ 液晶表示装置

Also Published As

Publication number Publication date
US10578922B2 (en) 2020-03-03
US9885913B2 (en) 2018-02-06
JP2016085329A (ja) 2016-05-19
US20160116667A1 (en) 2016-04-28
US20180120645A1 (en) 2018-05-03

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