CN103576381B - 背光单元及具有该背光单元的显示装置 - Google Patents

背光单元及具有该背光单元的显示装置 Download PDF

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Publication number
CN103576381B
CN103576381B CN201310180686.2A CN201310180686A CN103576381B CN 103576381 B CN103576381 B CN 103576381B CN 201310180686 A CN201310180686 A CN 201310180686A CN 103576381 B CN103576381 B CN 103576381B
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CN
China
Prior art keywords
area
lens
light
incidence
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.)
Expired - Fee Related
Application number
CN201310180686.2A
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English (en)
Chinese (zh)
Other versions
CN103576381A (zh
Inventor
金炯柱
河尚佑
南智恩
柳泰镛
崔震成
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.)
Filing date
Publication date
Application filed by Samsung Display Co Ltd filed Critical Samsung Display Co Ltd
Publication of CN103576381A publication Critical patent/CN103576381A/zh
Application granted granted Critical
Publication of CN103576381B publication Critical patent/CN103576381B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G02B6/0033—Means for improving the coupling-out of light from 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
    • G02B6/0013—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)
CN201310180686.2A 2012-08-03 2013-05-16 背光单元及具有该背光单元的显示装置 Expired - Fee Related CN103576381B (zh)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
CN103576381A CN103576381A (zh) 2014-02-12
CN103576381B true CN103576381B (zh) 2018-09-21

Family

ID=47844094

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310180686.2A Expired - Fee Related CN103576381B (zh) 2012-08-03 2013-05-16 背光单元及具有该背光单元的显示装置

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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CN114554177A (zh) 2016-05-19 2022-05-27 瑞尔D斯帕克有限责任公司 广角成像定向背光源
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US11435638B2 (en) * 2018-09-13 2022-09-06 Sakai Display Products Corporation Liquid crystal display device
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WO2021097040A1 (en) 2019-11-13 2021-05-20 Reald Spark, Llc Display device with uniform off-axis luminance reduction
WO2021118936A1 (en) 2019-12-10 2021-06-17 Reald Spark, Llc Control of reflections of a display device
KR102696037B1 (ko) * 2020-01-22 2024-08-19 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 표시 장치
WO2021222606A1 (en) 2020-04-30 2021-11-04 Reald Spark, Llc Directional display apparatus
TWI898003B (zh) 2020-07-29 2025-09-21 美商瑞爾Ｄ斯帕克有限責任公司 光瞳照明裝置
US11892717B2 (en) 2021-09-30 2024-02-06 Reald Spark, Llc Marks for privacy display
WO2023154217A1 (en) 2022-02-09 2023-08-17 Reald Spark, Llc Observer-tracked privacy display
TW202332973A (zh) 2022-02-09 2023-08-16 美商瑞爾Ｄ斯帕克有限責任公司 具均勻減低偏軸亮度之顯示裝置
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CN114624811B (zh) * 2022-05-17 2022-08-16 深圳市北泰显示技术有限公司 一种显示屏背光模组的生产方法
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Also Published As

Publication number Publication date
KR20140018742A (ko) 2014-02-13
US20140036531A1 (en) 2014-02-06
US9291765B2 (en) 2016-03-22
EP2693115A3 (en) 2018-02-07
EP2693115A2 (en) 2014-02-05
JP6178114B2 (ja) 2017-08-09
JP2014032953A (ja) 2014-02-20
CN103576381A (zh) 2014-02-12

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