JP6143467B2 - 液晶表示装置 - Google Patents

液晶表示装置 Download PDF

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Publication number
JP6143467B2
JP6143467B2 JP2013002786A JP2013002786A JP6143467B2 JP 6143467 B2 JP6143467 B2 JP 6143467B2 JP 2013002786 A JP2013002786 A JP 2013002786A JP 2013002786 A JP2013002786 A JP 2013002786A JP 6143467 B2 JP6143467 B2 JP 6143467B2
Authority
JP
Japan
Prior art keywords
liquid crystal
crystal display
light
display device
guide plate
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
JP2013002786A
Other languages
English (en)
Japanese (ja)
Other versions
JP2014134680A5 (enExample
JP2014134680A (ja
Inventor
憲 利部
憲 利部
恭久 白石
恭久 白石
喜一 田邉
喜一 田邉
功洋 西峰
功洋 西峰
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 JP2013002786A priority Critical patent/JP6143467B2/ja
Priority to US14/147,736 priority patent/US9194994B2/en
Publication of JP2014134680A publication Critical patent/JP2014134680A/ja
Publication of JP2014134680A5 publication Critical patent/JP2014134680A5/ja
Application granted granted Critical
Publication of JP6143467B2 publication Critical patent/JP6143467B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B6/0038—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
    • G02B6/0033—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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—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
    • G02B6/0013—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
JP2013002786A 2013-01-10 2013-01-10 液晶表示装置 Active JP6143467B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013002786A JP6143467B2 (ja) 2013-01-10 2013-01-10 液晶表示装置
US14/147,736 US9194994B2 (en) 2013-01-10 2014-01-06 Liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013002786A JP6143467B2 (ja) 2013-01-10 2013-01-10 液晶表示装置

Publications (3)

Publication Number Publication Date
JP2014134680A JP2014134680A (ja) 2014-07-24
JP2014134680A5 JP2014134680A5 (enExample) 2016-02-18
JP6143467B2 true JP6143467B2 (ja) 2017-06-07

Family

ID=51060717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013002786A Active JP6143467B2 (ja) 2013-01-10 2013-01-10 液晶表示装置

Country Status (2)

Country Link
US (1) US9194994B2 (enExample)
JP (1) JP6143467B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI530739B (zh) * 2014-06-27 2016-04-21 揚昇照明股份有限公司 背光模組
CN106154392A (zh) * 2015-04-27 2016-11-23 群创光电股份有限公司 显示设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0544332B1 (en) * 1991-11-28 1997-01-29 Enplas Corporation Surface light source device
JP4533728B2 (ja) * 2004-11-29 2010-09-01 株式会社 日立ディスプレイズ 液晶表示装置
KR200402149Y1 (ko) * 2005-08-25 2005-11-28 주식회사 릿츠 액정디스플레이장치용 도광판
KR101213842B1 (ko) * 2006-04-27 2012-12-18 후지쯔 가부시끼가이샤 조명 장치 및 액정 표시 장치
JP5142499B2 (ja) * 2006-08-18 2013-02-13 株式会社ジャパンディスプレイイースト 液晶表示装置
JP2011508904A (ja) * 2007-12-20 2011-03-17 スリーエム イノベイティブ プロパティズ カンパニー プリズム構造を有するバックライト反射体
JP5502289B2 (ja) 2008-05-14 2014-05-28 株式会社ジャパンディスプレイ 液晶表示装置
US8068197B2 (en) * 2009-01-19 2011-11-29 Hitachi Displays, Ltd. Liquid crystal display device
JP2011107248A (ja) * 2009-11-13 2011-06-02 Hitachi Displays Ltd 液晶表示装置

Also Published As

Publication number Publication date
JP2014134680A (ja) 2014-07-24
US20140192293A1 (en) 2014-07-10
US9194994B2 (en) 2015-11-24

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