JP6178114B2 - バックライトユニット及びこれを有する表示装置 - Google Patents

バックライトユニット及びこれを有する表示装置 Download PDF

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Publication number
JP6178114B2
JP6178114B2 JP2013112543A JP2013112543A JP6178114B2 JP 6178114 B2 JP6178114 B2 JP 6178114B2 JP 2013112543 A JP2013112543 A JP 2013112543A JP 2013112543 A JP2013112543 A JP 2013112543A JP 6178114 B2 JP6178114 B2 JP 6178114B2
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JP
Japan
Prior art keywords
region
light
incident
protrusion
lenticular
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Expired - Fee Related
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JP2013112543A
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English (en)
Japanese (ja)
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JP2014032953A (ja
JP2014032953A5 (enExample
Inventor
炯 柱 金
炯 柱 金
尚 佑 河
尚 佑 河
智 恩 南
智 恩 南
泰 ヨン 柳
泰 ヨン 柳
崔　震　成
震 成 崔
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.)
Samsung Display Co Ltd
Original Assignee
Samsung Display Co Ltd
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.)
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Publication date
Application filed by Samsung Display Co Ltd filed Critical Samsung Display Co Ltd
Publication of JP2014032953A publication Critical patent/JP2014032953A/ja
Publication of JP2014032953A5 publication Critical patent/JP2014032953A5/ja
Application granted granted Critical
Publication of JP6178114B2 publication Critical patent/JP6178114B2/ja
Expired - Fee Related 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
    • 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
    • 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
    • G02B6/0028—Light guide, e.g. taper
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • 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
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened 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
    • G02B6/0033—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)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
JP2013112543A 2012-08-03 2013-05-29 バックライトユニット及びこれを有する表示装置 Expired - Fee Related JP6178114B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120085384A KR20140018742A (ko) 2012-08-03 2012-08-03 백라이트 유닛 및 이를 갖는 표시 장치
KR10-2012-0085384 2012-08-03

Publications (3)

Publication Number Publication Date
JP2014032953A JP2014032953A (ja) 2014-02-20
JP2014032953A5 JP2014032953A5 (enExample) 2016-07-14
JP6178114B2 true JP6178114B2 (ja) 2017-08-09

Family

ID=47844094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013112543A Expired - Fee Related JP6178114B2 (ja) 2012-08-03 2013-05-29 バックライトユニット及びこれを有する表示装置

Country Status (5)

Country Link
US (1) US9291765B2 (enExample)
EP (1) EP2693115A3 (enExample)
JP (1) JP6178114B2 (enExample)
KR (1) KR20140018742A (enExample)
CN (1) CN103576381B (enExample)

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Also Published As

Publication number Publication date
US20140036531A1 (en) 2014-02-06
CN103576381A (zh) 2014-02-12
CN103576381B (zh) 2018-09-21
EP2693115A3 (en) 2018-02-07
JP2014032953A (ja) 2014-02-20
EP2693115A2 (en) 2014-02-05
KR20140018742A (ko) 2014-02-13
US9291765B2 (en) 2016-03-22

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