TW200516277A - Light guide plate and backlight assembly having the same - Google Patents

Light guide plate and backlight assembly having the same

Info

Publication number
TW200516277A
TW200516277A TW093106505A TW93106505A TW200516277A TW 200516277 A TW200516277 A TW 200516277A TW 093106505 A TW093106505 A TW 093106505A TW 93106505 A TW93106505 A TW 93106505A TW 200516277 A TW200516277 A TW 200516277A
Authority
TW
Taiwan
Prior art keywords
guide plate
light
backlight assembly
light guide
same
Prior art date
Application number
TW093106505A
Other languages
English (en)
Other versions
TWI289688B (en
Inventor
Dong-Hoon Kim
Jong-Dae Park
Kyu-Seok Kim
Jae-Ho Jung
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
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200516277A publication Critical patent/TW200516277A/zh
Application granted granted Critical
Publication of TWI289688B publication Critical patent/TWI289688B/zh

Links

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
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
    • 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
TW093106505A 2003-11-08 2004-03-11 Light guide plate and backlight assembly having the same TWI289688B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030078866A KR20050044961A (ko) 2003-11-08 2003-11-08 도광판 및 이를 갖는 백라이트 어셈블리

Publications (2)

Publication Number Publication Date
TW200516277A true TW200516277A (en) 2005-05-16
TWI289688B TWI289688B (en) 2007-11-11

Family

ID=34545802

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093106505A TWI289688B (en) 2003-11-08 2004-03-11 Light guide plate and backlight assembly having the same

Country Status (5)

Country Link
US (1) US20050099815A1 (zh)
JP (1) JP2005142164A (zh)
KR (1) KR20050044961A (zh)
CN (1) CN1614471A (zh)
TW (1) TWI289688B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI393927B (zh) * 2007-03-28 2013-04-21 Cheil Ind Inc 用於液晶顯示器之包含非對稱的前稜鏡的導光面板
TWI616686B (zh) * 2012-06-26 2018-03-01 王子控股股份有限公司 光擴散性片材

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KR100663297B1 (ko) * 2003-11-10 2007-01-02 비오이 하이디스 테크놀로지 주식회사 백 라이트 유니트의 도광판
CN100445827C (zh) * 2004-11-18 2008-12-24 清华大学 导光板和背光模组
KR100694539B1 (ko) * 2005-06-01 2007-03-13 제이엠아이 주식회사 백라이트용 도광판
KR101131441B1 (ko) * 2005-06-10 2012-03-30 엘지전자 주식회사 역프리즘시트 및 이를 포함하는 백라이트 유닛
JP2007012323A (ja) * 2005-06-28 2007-01-18 Cheil Ind Co Ltd 面光源装置及び液晶表示装置
CN101258440A (zh) 2005-09-06 2008-09-03 可乐丽股份有限公司 光漫射性甲基丙烯酸树脂导光体以及包含该导光体的面光源装置
CN100406999C (zh) * 2005-09-09 2008-07-30 财团法人工业技术研究院 导光板及具有该导光板的背光模块
JP4771065B2 (ja) * 2005-09-30 2011-09-14 ゲットナー・ファンデーション・エルエルシー 光源装置、表示装置及び端末装置
CN100416369C (zh) * 2005-10-13 2008-09-03 长兴化学工业股份有限公司 聚光片
KR100785379B1 (ko) * 2005-12-29 2007-12-18 주식회사 두산 광학필름 및 그 제조방법
JP2007273091A (ja) * 2006-03-30 2007-10-18 Fujitsu Ltd プリズム導光板、照明装置および電子機器
KR100844159B1 (ko) * 2006-04-07 2008-07-04 김재형 백라이트 장치용 도광판 및 그 도광판의 제조장치
JPWO2007129609A1 (ja) * 2006-05-02 2009-09-17 三菱レイヨン株式会社 プリズムシート付き液晶表示素子及びそれを用いた液晶表示装置
KR100773825B1 (ko) * 2006-05-02 2007-11-06 이대환 프리즘 시트
KR100845738B1 (ko) * 2006-05-22 2008-07-11 태산엘시디 주식회사 백라이트유닛의 도광판
KR100793534B1 (ko) * 2006-07-04 2008-01-14 삼성에스디아이 주식회사 액정 표시 장치의 백라이트 유니트 및 백라이트 유니트의도광판 제조 방법
KR100830340B1 (ko) 2006-07-04 2008-05-16 삼성에스디아이 주식회사 백라이트 유니트의 도광판 및 이를 구비한 백라이트 유니트
KR20080071875A (ko) * 2007-01-31 2008-08-05 (주)엔티아이 백라이트 유니트용 다기능 광학필름
JP2008226701A (ja) * 2007-03-14 2008-09-25 Sony Corp 導光板、表示装置および電子機器
KR20080085242A (ko) 2007-03-19 2008-09-24 삼성전자주식회사 도광판 및 이를 이용하는 백라이트 어셈블리
KR100912260B1 (ko) * 2007-03-28 2009-08-17 제일모직주식회사 표면에 일정 조도를 갖는 액정표시장치용 광학 프리즘 시트
KR101318253B1 (ko) * 2007-03-30 2013-10-18 삼성디스플레이 주식회사 도광판 및 이를 갖는 표시 장치
CN101344678B (zh) * 2007-07-12 2011-07-27 鸿富锦精密工业（深圳）有限公司 光学板及其制备方法
CN101393280A (zh) * 2007-09-17 2009-03-25 鸿富锦精密工业（深圳）有限公司 背光模组及其棱镜片
JP4517307B2 (ja) * 2007-11-14 2010-08-04 ソニー株式会社 面光源装置及び画像表示装置
TWM336439U (en) * 2008-02-14 2008-07-11 Optivision Technology Inc Diffuser capable of light condensing
KR101429176B1 (ko) * 2008-04-24 2014-08-13 삼성디스플레이 주식회사 백라이트 어셈블리 및 그를 포함하는 표시 장치
TWI406019B (zh) * 2008-05-27 2013-08-21 Radiant Opto Electronics Corp The structure of the light guide plate
KR101494450B1 (ko) * 2008-10-08 2015-02-16 삼성디스플레이 주식회사 액정 표시 장치
KR100919445B1 (ko) * 2008-10-15 2009-09-29 (주)티에스티아이테크 도광판
CN101738673B (zh) * 2008-11-20 2013-07-24 扬升照明股份有限公司 导光板及背光模组
KR101252092B1 (ko) * 2009-04-01 2013-04-12 엘지디스플레이 주식회사 백라이트 유닛과 이를 이용한 액정표시장치
US8297802B2 (en) * 2009-10-09 2012-10-30 Wintek Corporation Optical film having linear protrusions with inwardly curved ridges and back light module with the optical film
TWI438531B (zh) * 2009-12-15 2014-05-21 Ind Tech Res Inst 面型光源模組以及光學膜片
KR20110076373A (ko) * 2009-12-29 2011-07-06 엘지디스플레이 주식회사 엘에스에프 및 이를 포함하는 액정표시장치
KR101302402B1 (ko) * 2011-02-01 2013-09-02 레이젠 주식회사 도광판 제조용 스탬퍼 및 이의 제조 방법
CN102095142A (zh) * 2011-02-22 2011-06-15 青岛海信电器股份有限公司 背光模组及显示设备
KR101292653B1 (ko) 2011-05-13 2013-08-02 웅진케미칼 주식회사 확산성이 개선된 광학필름 및 이의 제조방법
KR20130051130A (ko) * 2011-11-09 2013-05-20 삼성전자주식회사 백라이트유닛 및 이를 가지는 디스플레이장치
US8879017B2 (en) * 2011-11-18 2014-11-04 Shenzhen China Star Optoelectronics Technology Co., Ltd. Flat panel display device and stereoscopic display device
CN103176228A (zh) * 2013-03-07 2013-06-26 创维液晶器件(深圳)有限公司 棱镜膜、背光模组及液晶显示装置
TWI498510B (zh) * 2013-07-12 2015-09-01 Univ Nat Central Light guide plate lighting device
CN104373900A (zh) * 2013-08-13 2015-02-25 中央大学 导光板照明装置
CN104570189B (zh) * 2013-10-09 2018-01-02 纬创资通股份有限公司 导光板及背光模块
US9937849B2 (en) * 2013-12-02 2018-04-10 Continental Automotive Systems, Inc. Gauge 360 illumination lightguide
CN103700726B (zh) * 2013-12-26 2016-02-24 华中科技大学温州先进制造技术研究院 一种高效选择性发射极太阳电池激光掺杂方法
CN104713031A (zh) * 2015-03-27 2015-06-17 京东方科技集团股份有限公司 一种复合棱镜单元、背光模组、显示装置
US10286957B2 (en) 2017-03-25 2019-05-14 Yizong He Invisible frame for automobile windshield and side windows
CN206552113U (zh) * 2017-03-25 2017-10-13 何亦宗 一种隐形四棱柱
EP3847505B1 (en) 2018-10-26 2023-08-02 Huawei Technologies Co., Ltd. Light guide for an electronic display and electronic display comprising said light guide
CN111929976B (zh) * 2020-10-15 2021-01-05 成都菲斯特科技有限公司 一种投影屏幕及投影系统

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI393927B (zh) * 2007-03-28 2013-04-21 Cheil Ind Inc 用於液晶顯示器之包含非對稱的前稜鏡的導光面板
TWI616686B (zh) * 2012-06-26 2018-03-01 王子控股股份有限公司 光擴散性片材

Also Published As

Publication number Publication date
JP2005142164A (ja) 2005-06-02
KR20050044961A (ko) 2005-05-16
CN1614471A (zh) 2005-05-11
US20050099815A1 (en) 2005-05-12
TWI289688B (en) 2007-11-11

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MM4A Annulment or lapse of patent due to non-payment of fees