KR20070035130A - 도광판과, 이를 갖는 백라이트 어셈블리 및 표시장치 - Google Patents

도광판과, 이를 갖는 백라이트 어셈블리 및 표시장치 Download PDF

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Publication number
KR20070035130A
KR20070035130A KR1020050089610A KR20050089610A KR20070035130A KR 20070035130 A KR20070035130 A KR 20070035130A KR 1020050089610 A KR1020050089610 A KR 1020050089610A KR 20050089610 A KR20050089610 A KR 20050089610A KR 20070035130 A KR20070035130 A KR 20070035130A
Authority
KR
South Korea
Prior art keywords
light guide
guide plate
prism
light
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.)
Ceased
Application number
KR1020050089610A
Other languages
English (en)
Korean (ko)
Inventor
원용광
이정권
강성용
박진혁
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR1020050089610A priority Critical patent/KR20070035130A/ko
Priority to US11/505,967 priority patent/US7387422B2/en
Priority to JP2006246908A priority patent/JP2007094400A/ja
Priority to CNA2006101399090A priority patent/CN1940605A/zh
Publication of KR20070035130A publication Critical patent/KR20070035130A/ko
Ceased legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity

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  • 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)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
KR1020050089610A 2005-09-27 2005-09-27 도광판과, 이를 갖는 백라이트 어셈블리 및 표시장치 Ceased KR20070035130A (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020050089610A KR20070035130A (ko) 2005-09-27 2005-09-27 도광판과, 이를 갖는 백라이트 어셈블리 및 표시장치
US11/505,967 US7387422B2 (en) 2005-09-27 2006-08-17 Light-guide plate, backlight assembly having the light-guide plate and display device having the backlight assembly
JP2006246908A JP2007094400A (ja) 2005-09-27 2006-09-12 導光板、それを有するバックライトアセンブリ及び表示装置
CNA2006101399090A CN1940605A (zh) 2005-09-27 2006-09-26 光导板、具有该板的背光组件和具有该组件的显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050089610A KR20070035130A (ko) 2005-09-27 2005-09-27 도광판과, 이를 갖는 백라이트 어셈블리 및 표시장치

Publications (1)

Publication Number Publication Date
KR20070035130A true KR20070035130A (ko) 2007-03-30

Family

ID=37893625

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020050089610A Ceased KR20070035130A (ko) 2005-09-27 2005-09-27 도광판과, 이를 갖는 백라이트 어셈블리 및 표시장치

Country Status (4)

Country Link
US (1) US7387422B2 (enExample)
JP (1) JP2007094400A (enExample)
KR (1) KR20070035130A (enExample)
CN (1) CN1940605A (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6752505B2 (en) * 1999-02-23 2004-06-22 Solid State Opto Limited Light redirecting films and film systems
KR200398710Y1 (ko) * 2005-08-04 2005-10-14 김영곤 자동차용 알림판
US7720347B2 (en) 2006-03-28 2010-05-18 Samsung Electronics Co., Ltd. Backlight having all-in-one type light guide plate and method of manufacturing all-in-one type light guide plate
JP2007311325A (ja) * 2006-04-17 2007-11-29 Citizen Electronics Co Ltd 導光板及びその製造方法とその導光板を用いたバックライトユニット
TW200900765A (en) * 2007-06-18 2009-01-01 Cheil Ind Inc Light guide panel having light mix-member for LCD back light unit and LCD back light unit thereby
TWM332872U (en) * 2007-10-31 2008-05-21 Nano Prec Corp Light guide plate and side-emitting backlight module having the same
WO2009078439A1 (ja) * 2007-12-18 2009-06-25 Takiron Co., Ltd. 光学シート及びこれを用いたバックライトユニット
TW200937084A (en) * 2008-02-19 2009-09-01 Coretronic Corp Backlight module of flat panel display
FR2928110B1 (fr) * 2008-03-03 2010-06-11 Valeo Vision Systeme optique avec fonction principale pour vehicule automobile
WO2009141953A1 (ja) * 2008-05-20 2009-11-26 シャープ株式会社 液晶表示装置
CN101620343A (zh) * 2008-06-30 2010-01-06 鸿富锦精密工业（深圳）有限公司 背光模组及其光学板
TWI369546B (en) * 2008-12-03 2012-08-01 Au Optronics Corp Light guide plate microstructure
TW201106057A (en) * 2009-08-14 2011-02-16 Coretronic Corp Lighting condensing film, backlight module and liquid crystal display
EP2309316A1 (de) * 2009-10-09 2011-04-13 Bayer MaterialScience AG LED-Beleuchtungseinheit mit strukturierter Streufolie
KR101708479B1 (ko) * 2009-12-31 2017-03-09 삼성디스플레이 주식회사 도광판과 이를 포함하는 표시 장치 및 도광판 제조 방법
KR101155923B1 (ko) * 2010-07-23 2012-06-20 삼성에스디아이 주식회사 광 주사형 터치 패널
KR20120131360A (ko) * 2011-05-25 2012-12-05 삼성전자주식회사 면조명장치 및 이를 구비한 액정표시장치
US10551549B2 (en) * 2013-04-30 2020-02-04 Lg Display Co., Ltd. Condensing sheet, backlight unit and liquid crystal display device using the same
KR102264379B1 (ko) * 2014-02-05 2021-06-15 엘지이노텍 주식회사 광학 부재 및 이를 이용하는 조명 장치
KR20160007695A (ko) * 2014-06-24 2016-01-21 삼성디스플레이 주식회사 백라이트 어셈블리 및 그를 포함하는 표시장치
CN104407465B (zh) * 2014-12-12 2019-03-05 京东方科技集团股份有限公司 一种多面显示器件

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002050219A (ja) * 2000-07-25 2002-02-15 Internatl Business Mach Corp <Ibm> 面状光源装置、導光板、表示装置
TWI260433B (en) * 2003-07-11 2006-08-21 Hon Hai Prec Ind Co Ltd Backlight module and lightguide plate thereof
CN1914549A (zh) * 2004-10-09 2007-02-14 第一毛织株式会社 用于液晶显示器背光单元的导光板以及使用该导光板的液晶显示器背光单元
KR100657968B1 (ko) * 2005-08-27 2006-12-14 삼성전자주식회사 평판표시장치용 조명장치
TW200708853A (en) * 2005-08-30 2007-03-01 Ind Tech Res Inst Light-guide plate and the backlight module having the same

Also Published As

Publication number Publication date
US7387422B2 (en) 2008-06-17
CN1940605A (zh) 2007-04-04
JP2007094400A (ja) 2007-04-12
US20070070649A1 (en) 2007-03-29

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