WO2011062462A3 - 도광판 및 이를 구비하는 백라이트 유닛 - Google Patents

도광판 및 이를 구비하는 백라이트 유닛 Download PDF

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Publication number
WO2011062462A3
WO2011062462A3 PCT/KR2010/008301 KR2010008301W WO2011062462A3 WO 2011062462 A3 WO2011062462 A3 WO 2011062462A3 KR 2010008301 W KR2010008301 W KR 2010008301W WO 2011062462 A3 WO2011062462 A3 WO 2011062462A3
Authority
WO
WIPO (PCT)
Prior art keywords
light guide
guide plate
backlight unit
unit including
including same
Prior art date
Application number
PCT/KR2010/008301
Other languages
English (en)
French (fr)
Other versions
WO2011062462A2 (ko
Inventor
박정호
김영일
Original Assignee
주식회사 엘엠에스
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 주식회사 엘엠에스 filed Critical 주식회사 엘엠에스
Publication of WO2011062462A2 publication Critical patent/WO2011062462A2/ko
Publication of WO2011062462A3 publication Critical patent/WO2011062462A3/ko

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
    • 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
    • G02B6/0036—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
    • G02B6/0066—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
    • G02B6/0066—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
    • G02B6/0073—Light emitting diode [LED]

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)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

본 발명은 판상의 도광부와, 상기 도광부의 상부에 제 1 방향으로 연장되도록 형성되는 복수 개의 광학패턴, 및 상기 도광부의 하부에 상기 제 1 방향과 실질적으로 수직한 제 2 방향으로 연장되도록 형성되는 복수 개의 반사패턴을 포함하는 도광판 및 이를 구비하는 백라이트 유닛을 개시한다.
PCT/KR2010/008301 2009-11-19 2010-11-23 도광판 및 이를 구비하는 백라이트 유닛 WO2011062462A2 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090112143A KR101054385B1 (ko) 2009-11-19 2009-11-19 도광판 및 이를 구비하는 백라이트 유닛
KR10-2009-0112143 2009-11-19

Publications (2)

Publication Number Publication Date
WO2011062462A2 WO2011062462A2 (ko) 2011-05-26
WO2011062462A3 true WO2011062462A3 (ko) 2011-11-10

Family

ID=44060224

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/008301 WO2011062462A2 (ko) 2009-11-19 2010-11-23 도광판 및 이를 구비하는 백라이트 유닛

Country Status (2)

Country Link
KR (1) KR101054385B1 (ko)
WO (1) WO2011062462A2 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101278440B1 (ko) * 2012-01-30 2013-07-01 주식회사 에스폴리텍 브이자형 홈을 구비한 도광판
KR101453470B1 (ko) * 2012-12-14 2014-10-22 주식회사 엘엠에스 도광판 및 이를 포함하는 면발광장치
CN114910992B (zh) * 2022-04-19 2022-12-13 安徽亿光源光电科技有限公司 高光效型导光板

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030078305A (ko) * 2002-03-29 2003-10-08 주식회사 엔투에이 반사형 도광판 및 이를 이용한 백라이트 유닛
KR20040084976A (ko) * 2003-03-29 2004-10-07 엘지.필립스 엘시디 주식회사 액정 표시장치의 백라이트 구조
KR20090114078A (ko) * 2008-04-29 2009-11-03 희성전자 주식회사 측면 조광형 백라이트 장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101365091B1 (ko) * 2007-10-02 2014-02-19 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
KR100942490B1 (ko) * 2007-09-05 2010-02-12 제일모직주식회사 전면에 광학부재를 구비하는 백라이트 유닛용 도광판 및이를 이용한 액정표시장치
KR100932304B1 (ko) * 2007-10-30 2009-12-16 제일모직주식회사 배면에 비대칭 프리즘을 구비하는 백라이트 유닛용 도광판및 이를 이용한 액정표시장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030078305A (ko) * 2002-03-29 2003-10-08 주식회사 엔투에이 반사형 도광판 및 이를 이용한 백라이트 유닛
KR20040084976A (ko) * 2003-03-29 2004-10-07 엘지.필립스 엘시디 주식회사 액정 표시장치의 백라이트 구조
KR20090114078A (ko) * 2008-04-29 2009-11-03 희성전자 주식회사 측면 조광형 백라이트 장치

Also Published As

Publication number Publication date
KR101054385B1 (ko) 2011-08-04
WO2011062462A2 (ko) 2011-05-26
KR20110055209A (ko) 2011-05-25

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