KR100845738B1 - 백라이트유닛의 도광판 - Google Patents

백라이트유닛의 도광판 Download PDF

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Publication number
KR100845738B1
KR100845738B1 KR1020060045535A KR20060045535A KR100845738B1 KR 100845738 B1 KR100845738 B1 KR 100845738B1 KR 1020060045535 A KR1020060045535 A KR 1020060045535A KR 20060045535 A KR20060045535 A KR 20060045535A KR 100845738 B1 KR100845738 B1 KR 100845738B1
Authority
KR
South Korea
Prior art keywords
guide plate
light guide
light
pattern
prism
Prior art date
Application number
KR1020060045535A
Other languages
English (en)
Korean (ko)
Other versions
KR20070112526A (ko
Inventor
이지환
이영근
권진순
Original Assignee
태산엘시디 주식회사
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 태산엘시디 주식회사 filed Critical 태산엘시디 주식회사
Priority to KR1020060045535A priority Critical patent/KR100845738B1/ko
Priority to TW096100157A priority patent/TW200743832A/zh
Priority to CNA2007100870245A priority patent/CN101078797A/zh
Priority to JP2007070753A priority patent/JP2007310360A/ja
Publication of KR20070112526A publication Critical patent/KR20070112526A/ko
Application granted granted Critical
Publication of KR100845738B1 publication Critical patent/KR100845738B1/ko

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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
    • G02F1/1336—Illuminating devices
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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)
  • Liquid Crystal (AREA)
KR1020060045535A 2006-05-22 2006-05-22 백라이트유닛의 도광판 KR100845738B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020060045535A KR100845738B1 (ko) 2006-05-22 2006-05-22 백라이트유닛의 도광판
TW096100157A TW200743832A (en) 2006-05-22 2007-01-03 Light guide plate of a backlight unit and method for manufacturing the same
CNA2007100870245A CN101078797A (zh) 2006-05-22 2007-03-14 背光源组件的导光板及其制造方法
JP2007070753A JP2007310360A (ja) 2006-05-22 2007-03-19 バックライトユニットの導光板、並びにその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060045535A KR100845738B1 (ko) 2006-05-22 2006-05-22 백라이트유닛의 도광판

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020070093228A Division KR100801801B1 (ko) 2007-09-13 2007-09-13 백라이트유닛의 도광판 제조방법

Publications (2)

Publication Number Publication Date
KR20070112526A KR20070112526A (ko) 2007-11-27
KR100845738B1 true KR100845738B1 (ko) 2008-07-11

Family

ID=38843220

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060045535A KR100845738B1 (ko) 2006-05-22 2006-05-22 백라이트유닛의 도광판

Country Status (4)

Country Link
JP (1) JP2007310360A (zh)
KR (1) KR100845738B1 (zh)
CN (1) CN101078797A (zh)
TW (1) TW200743832A (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100773718B1 (ko) * 2006-05-22 2007-11-06 태산엘시디 주식회사 백라이트유닛의 도광판 제조방법
KR101429176B1 (ko) * 2008-04-24 2014-08-13 삼성디스플레이 주식회사 백라이트 어셈블리 및 그를 포함하는 표시 장치
KR100898100B1 (ko) * 2008-07-29 2009-05-18 이대환 프리즘 시트
US8730579B2 (en) 2008-07-29 2014-05-20 Dae-Hwan Lee Optical sheet having enhanced optical characteristics
KR101039321B1 (ko) * 2008-09-10 2011-06-08 태산엘시디 주식회사 백라이트유닛
KR101302402B1 (ko) * 2011-02-01 2013-09-02 레이젠 주식회사 도광판 제조용 스탬퍼 및 이의 제조 방법
KR101328445B1 (ko) * 2012-06-08 2013-11-14 레이젠 주식회사 대면적 도광판 스탬퍼 제조 방법
KR102090461B1 (ko) * 2013-03-29 2020-03-19 엘지디스플레이 주식회사 액정표시장치
CN109212654B (zh) * 2017-06-30 2021-06-08 扬昕科技(苏州)有限公司 导光板
KR102422135B1 (ko) * 2017-07-07 2022-07-18 삼성디스플레이 주식회사 광학 부재, 이를 포함하는 표시 장치 및 광학 부재의 제조 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020069380A (ko) * 2001-02-26 2002-09-04 삼성전자 주식회사 신규한 백라이트 어셈블리를 갖는 액정표시장치
KR20030088743A (ko) 2002-05-14 2003-11-20 (주)나노디스플레이 프리즘 패턴을 갖는 도광판 제조용 금형의 제조방법
KR20050103329A (ko) 2004-04-26 2005-10-31 레이젠 주식회사 프리즘 표면에 미세 요철부가 형성된 프리즘 도광판과그의 제조 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001124930A (ja) * 1999-10-29 2001-05-11 Nippon Leiz Co Ltd 導光板および平面照明装置
JP2002286938A (ja) * 2001-03-23 2002-10-03 Yuka Denshi Co Ltd 導光体及びこれを用いた面光源装置と液晶ディスプレイ装置
US7478942B2 (en) * 2003-01-23 2009-01-20 Samsung Electronics Co., Ltd. Light guide plate with light reflection pattern
KR20050044961A (ko) * 2003-11-08 2005-05-16 삼성전자주식회사 도광판 및 이를 갖는 백라이트 어셈블리
JP4599215B2 (ja) * 2005-04-18 2010-12-15 株式会社エス・ケー・ジー 導光板装置及び表示装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020069380A (ko) * 2001-02-26 2002-09-04 삼성전자 주식회사 신규한 백라이트 어셈블리를 갖는 액정표시장치
KR20030088743A (ko) 2002-05-14 2003-11-20 (주)나노디스플레이 프리즘 패턴을 갖는 도광판 제조용 금형의 제조방법
KR20050103329A (ko) 2004-04-26 2005-10-31 레이젠 주식회사 프리즘 표면에 미세 요철부가 형성된 프리즘 도광판과그의 제조 방법

Also Published As

Publication number Publication date
JP2007310360A (ja) 2007-11-29
TW200743832A (en) 2007-12-01
KR20070112526A (ko) 2007-11-27
CN101078797A (zh) 2007-11-28

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