TW200707015A - Backlight assembly, display device having the same, and method thereof - Google Patents

Backlight assembly, display device having the same, and method thereof

Info

Publication number
TW200707015A
TW200707015A TW095120817A TW95120817A TW200707015A TW 200707015 A TW200707015 A TW 200707015A TW 095120817 A TW095120817 A TW 095120817A TW 95120817 A TW95120817 A TW 95120817A TW 200707015 A TW200707015 A TW 200707015A
Authority
TW
Taiwan
Prior art keywords
light
backlight assembly
sub
exiting surface
luminance
Prior art date
Application number
TW095120817A
Other languages
English (en)
Chinese (zh)
Inventor
Jae-Kwang Kim
Young-Bee Chu
Dong-Cheol Kim
Kyu-Seok Kim
Sung-Min Kim
Jeung-Soo Kim
Hyung-Guel Kim
Sang-Hee Lee
Jeong-Seok Oh
Jae-Lok Cha
Original Assignee
Samsung Electronics 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
Priority claimed from KR1020050050511A external-priority patent/KR20060129831A/ko
Priority claimed from KR1020050064443A external-priority patent/KR20070009292A/ko
Priority claimed from KR1020050065285A external-priority patent/KR20070010568A/ko
Priority claimed from KR1020050071258A external-priority patent/KR20070016512A/ko
Priority claimed from KR1020050098448A external-priority patent/KR20070042618A/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200707015A publication Critical patent/TW200707015A/zh

Links

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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along 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
    • G02B6/0081—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
    • 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
    • G02B6/0066—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
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
    • 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
    • G02F1/133391—Constructional arrangement for sub-divided displays

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)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
TW095120817A 2005-06-13 2006-06-12 Backlight assembly, display device having the same, and method thereof TW200707015A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR1020050050511A KR20060129831A (ko) 2005-06-13 2005-06-13 백라이트 어셈블리 및 이를 갖는 표시 장치
KR1020050064443A KR20070009292A (ko) 2005-07-15 2005-07-15 백라이트 어셈블리 및 이를 갖는 표시 장치
KR1020050065285A KR20070010568A (ko) 2005-07-19 2005-07-19 도광 유닛, 이를 갖는 백라이트 어셈블리 및 표시 장치
KR1020050071258A KR20070016512A (ko) 2005-08-04 2005-08-04 백라이트 어셈블리 및 이를 갖는 표시 장치
KR1020050098448A KR20070042618A (ko) 2005-10-19 2005-10-19 표시 장치

Publications (1)

Publication Number Publication Date
TW200707015A true TW200707015A (en) 2007-02-16

Family

ID=37567125

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095120817A TW200707015A (en) 2005-06-13 2006-06-12 Backlight assembly, display device having the same, and method thereof

Country Status (3)

Country Link
US (1) US20060291240A1 (enExample)
JP (1) JP2006350338A (enExample)
TW (1) TW200707015A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI402578B (zh) * 2010-05-25 2013-07-21 Wistron Corp 電子裝置
TWI693456B (zh) * 2017-12-21 2020-05-11 美商雷亞有限公司 可選擇模式的背光板、隱私顯示器及方法
TWI722260B (zh) * 2016-10-05 2021-03-21 美商雷亞有限公司 採用定向散射特徵的可選擇模式的背光板、方法以及顯示器
TWI762910B (zh) * 2019-04-22 2022-05-01 美商雷亞有限公司 時間多工背光件、多視像顯示器和方法

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100454101C (zh) * 2005-09-21 2009-01-21 鸿富锦精密工业（深圳）有限公司 导光板
KR100857693B1 (ko) * 2007-05-10 2008-09-08 삼성에스디아이 주식회사 액정 표시장치
JP5668920B2 (ja) * 2010-12-22 2015-02-12 ミネベア株式会社 照明装置
KR101980698B1 (ko) * 2012-10-15 2019-05-22 삼성디스플레이 주식회사 프리즘 시트, 이를 포함하는 백라이트 유닛 및 그 제조 방법
KR101596848B1 (ko) 2015-03-02 2016-02-23 엘지전자 주식회사 디스플레이 패널 및 이동 단말기
JP6521252B2 (ja) * 2015-12-24 2019-05-29 アルプスアルパイン株式会社 ライトガイドおよび照光表示装置
JP2017120740A (ja) * 2015-12-28 2017-07-06 オムロン株式会社 導光板、面光源装置、表示装置、及び電子機器
KR101685989B1 (ko) 2016-01-04 2016-12-13 엘지전자 주식회사 이동 단말기
EP3523575A4 (en) 2016-10-05 2020-06-17 LEIA Inc. TRANSPARENT DISPLAY AND PROCEDURE
CA3035801C (en) 2016-10-05 2021-01-12 Leia Inc. Polarized backlight and backlit display using the same
CN107121841B (zh) * 2017-05-04 2018-09-11 深圳市华星光电技术有限公司 一种用于背光模组的光转换膜、背光模组及显示设备
CN108490531B (zh) * 2018-04-12 2022-10-25 京东方科技集团股份有限公司 背光源装置、导光板以及显示装置
JP7182906B2 (ja) * 2018-06-12 2022-12-05 株式会社ジャパンディスプレイ 表示装置及び電子機器
US11256018B2 (en) * 2019-07-03 2022-02-22 Varroc Lighting Systems, s.r.o Light assembly including an illuminating utility segment and a visual stimulant segment
WO2023107103A1 (en) * 2021-12-07 2023-06-15 Leia Inc. Time-multiplexed multiview backlight, multiview display and method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6757036B1 (en) * 2000-03-07 2004-06-29 Motorola, Inc. Method and apparatus for a dual sided liquid crystal display
JP3424658B2 (ja) * 2000-05-31 2003-07-07 日本電気株式会社 情報処理装置
JP4050062B2 (ja) * 2001-04-02 2008-02-20 サムスン エレクトロニクス カンパニー リミテッド 光源装置、これを有するバックライトアセンブリ及び液晶表示装置
JP4141708B2 (ja) * 2002-03-11 2008-08-27 シャープ株式会社 液晶表示装置及びその駆動方法
KR100878220B1 (ko) * 2002-05-24 2009-01-13 삼성전자주식회사 액정표시장치
JP2004021238A (ja) * 2002-06-20 2004-01-22 Nec Saitama Ltd 表示デバイス及び携帯端末装置
JP2004179116A (ja) * 2002-11-29 2004-06-24 Alps Electric Co Ltd 背面照明装置及び液晶表示装置
JP2004240235A (ja) * 2003-02-07 2004-08-26 Hitachi Ltd 表示装置用ｌｓｉ
US20050182366A1 (en) * 2003-04-18 2005-08-18 Insulet Corporation Method For Visual Output Verification
KR100989338B1 (ko) * 2003-07-01 2010-10-25 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
JP3873940B2 (ja) * 2003-07-31 2007-01-31 セイコーエプソン株式会社 両面液晶表示装置
TWI252951B (en) * 2004-03-04 2006-04-11 Au Optronics Corp Backlight unit and display device
US7144136B2 (en) * 2004-06-02 2006-12-05 Research In Motion Limited Backlight control for a handheld computing device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI402578B (zh) * 2010-05-25 2013-07-21 Wistron Corp 電子裝置
US8767144B2 (en) 2010-05-25 2014-07-01 Wistron Corp. Display device comprising a light guide and an ambiance light guiding unit that provides ambiant light
TWI722260B (zh) * 2016-10-05 2021-03-21 美商雷亞有限公司 採用定向散射特徵的可選擇模式的背光板、方法以及顯示器
TWI693456B (zh) * 2017-12-21 2020-05-11 美商雷亞有限公司 可選擇模式的背光板、隱私顯示器及方法
TWI762910B (zh) * 2019-04-22 2022-05-01 美商雷亞有限公司 時間多工背光件、多視像顯示器和方法
US12334025B2 (en) 2019-04-22 2025-06-17 Leia Spv Llc Systems and methods of enhancing quality of multiview images using a multimode display

Also Published As

Publication number Publication date
US20060291240A1 (en) 2006-12-28
JP2006350338A (ja) 2006-12-28

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