JP2006350338A - バックライトアセンブリとこれを有する表示装置及びその輝度調節方法 - Google Patents

バックライトアセンブリとこれを有する表示装置及びその輝度調節方法 Download PDF

Info

Publication number
JP2006350338A
JP2006350338A JP2006161613A JP2006161613A JP2006350338A JP 2006350338 A JP2006350338 A JP 2006350338A JP 2006161613 A JP2006161613 A JP 2006161613A JP 2006161613 A JP2006161613 A JP 2006161613A JP 2006350338 A JP2006350338 A JP 2006350338A
Authority
JP
Japan
Prior art keywords
light
sub
main
region
backlight assembly
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.)
Withdrawn
Application number
JP2006161613A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006350338A5 (enExample
Inventor
Jae Kwang Kim
在 光 金
Young-Bee Chu
榮 備 周
Dong-Cheol Kim
東 哲 金
Kyu-Seok Kim
金　奎　錫
Sung-Min Kim
成 敏 金
Jeung-Soo Kim
正 洙 金
Hyung-Guel Kim
炯 傑 金
Sang-Hee Lee
李　相　熙
Jeong-Seok Oh
呉　晶　錫
Jae-Lok Cha
載 祿 車
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 Electronics Co Ltd
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 JP2006350338A publication Critical patent/JP2006350338A/ja
Publication of JP2006350338A5 publication Critical patent/JP2006350338A5/ja
Withdrawn legal-status Critical Current

Links

Images

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)
JP2006161613A 2005-06-13 2006-06-09 バックライトアセンブリとこれを有する表示装置及びその輝度調節方法 Withdrawn JP2006350338A (ja)

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 (2)

Publication Number Publication Date
JP2006350338A true JP2006350338A (ja) 2006-12-28
JP2006350338A5 JP2006350338A5 (enExample) 2009-07-23

Family

ID=37567125

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006161613A Withdrawn JP2006350338A (ja) 2005-06-13 2006-06-09 バックライトアセンブリとこれを有する表示装置及びその輝度調節方法

Country Status (3)

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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012134035A (ja) * 2010-12-22 2012-07-12 Minebea Co Ltd 照明装置
JP2014082204A (ja) * 2012-10-15 2014-05-08 Samsung Display Co Ltd プリズムシート、これを含むバックライトユニット
KR20170076540A (ko) * 2015-12-24 2017-07-04 알프스 덴키 가부시키가이샤 라이트 가이드 및 조광 표시 장치
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
WO2018067381A1 (en) * 2016-10-05 2018-04-12 Leia Inc. Mode-selectable backlight, method, and display employing directional scattering features
JP2020520048A (ja) * 2017-05-04 2020-07-02 深▲せん▼市華星光電技術有限公司Ｓｈｅｎｚｈｅｎ Ｃｈｉｎａ Ｓｔａｒ Ｏｐｔｏｅｌｅｃｔｒｏｎｉｃｓ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． バックライトモジュール用の光変換フィルム、バックライトモジュール及び表示装置
WO2023107103A1 (en) * 2021-12-07 2023-06-15 Leia Inc. Time-multiplexed multiview backlight, multiview display and method

Families Citing this family (12)

* 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
TWI402578B (zh) 2010-05-25 2013-07-21 Wistron Corp 電子裝置
KR101596848B1 (ko) 2015-03-02 2016-02-23 엘지전자 주식회사 디스플레이 패널 및 이동 단말기
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
KR102422982B1 (ko) * 2017-12-21 2022-07-21 레이아 인코포레이티드 모드-선택가능 백라이트, 프라이버시 디스플레이, 및 방법
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
EP3959469A4 (en) 2019-04-22 2022-12-28 LEIA Inc. Time-multiplexed backlight, multiview display, and method
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

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 (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012134035A (ja) * 2010-12-22 2012-07-12 Minebea Co Ltd 照明装置
JP2014082204A (ja) * 2012-10-15 2014-05-08 Samsung Display Co Ltd プリズムシート、これを含むバックライトユニット
KR20170076540A (ko) * 2015-12-24 2017-07-04 알프스 덴키 가부시키가이샤 라이트 가이드 및 조광 표시 장치
KR101915137B1 (ko) * 2015-12-24 2018-11-05 알프스 덴키 가부시키가이샤 라이트 가이드 및 조광 표시 장치
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
WO2018067381A1 (en) * 2016-10-05 2018-04-12 Leia Inc. Mode-selectable backlight, method, and display employing directional scattering features
CN109790968A (zh) * 2016-10-05 2019-05-21 镭亚股份有限公司 采用定向散射功能的模式可选背光、方法和显示器
EP3523574A4 (en) * 2016-10-05 2020-06-10 LEIA Inc. BACKLIGHT WITH SELECTABLE MODE, METHOD AND DISPLAY WITH DIRECTIONAL SPREADING FUNCTIONS
US10705281B2 (en) 2016-10-05 2020-07-07 Leia Inc. Mode-selectable backlight, method, and display employing directional scattering features
JP2020520048A (ja) * 2017-05-04 2020-07-02 深▲せん▼市華星光電技術有限公司Ｓｈｅｎｚｈｅｎ Ｃｈｉｎａ Ｓｔａｒ Ｏｐｔｏｅｌｅｃｔｒｏｎｉｃｓ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． バックライトモジュール用の光変換フィルム、バックライトモジュール及び表示装置
WO2023107103A1 (en) * 2021-12-07 2023-06-15 Leia Inc. Time-multiplexed multiview backlight, multiview display and method
US12345900B2 (en) 2021-12-07 2025-07-01 Leia Inc. Time-multiplexed multiview backlight, multiview display and method

Also Published As

Publication number Publication date
US20060291240A1 (en) 2006-12-28
TW200707015A (en) 2007-02-16

Similar Documents

Publication Publication Date Title
KR101375851B1 (ko) 액정표시장치
JP2006350338A (ja) バックライトアセンブリとこれを有する表示装置及びその輝度調節方法
TWI596406B (zh) 光導元件
TWI502230B (zh) 光導元件
US7206491B2 (en) Light guide device and backlight module using the same
CN101339332B (zh) 液晶显示装置
CN102483541B (zh) 光学组件、背光单元及其显示装置
US7237939B2 (en) Backlight assembly and liquid crystal display apparatus using the same
US9638956B2 (en) Backlight unit and display apparatus thereof
US6729736B2 (en) Light pipe, planar light source unit and reflection type liquid-crystal display device
JP2009289701A (ja) 照明装置、面光源装置、および液晶表示装置
JP2012114067A (ja) バックライトユニット及びそれを用いたディスプレイ装置
US7927002B2 (en) Backlight unit and liquid crystal display device comprising the same
US7064741B2 (en) Light source device, display device and reflection sheets for use therewith
CN103851421A (zh) 背光单元、具有它的液晶显示装置及其制造方法
JP2009140663A (ja) 面光源及び液晶表示装置
JP2007256910A (ja) 面光源装置とこれを備えたバックライトユニット、及びこのバックライトユニットを備えた液晶表示装置
KR20110103729A (ko) 디스플레이 장치
TWI343489B (en) Optical plate and backlight module using the same
WO1996016348A1 (en) Liquid crystal display device
US20100214804A1 (en) Bifacial light emitting backlight
JP2012164421A (ja) 面光源素子及びそれを備えた表示装置
KR20050032838A (ko) 액정표시장치용 백라이트 유닛
JP5505613B2 (ja) 表示装置
KR20070016512A (ko) 백라이트 어셈블리 및 이를 갖는 표시 장치

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090608

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20090608

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100601

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20100913