KR20040005309A - 도광장치와 이를 갖는 백라이트 어셈블리 및 액정 표시 장치 - Google Patents

도광장치와 이를 갖는 백라이트 어셈블리 및 액정 표시 장치 Download PDF

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Publication number
KR20040005309A
KR20040005309A KR1020020039810A KR20020039810A KR20040005309A KR 20040005309 A KR20040005309 A KR 20040005309A KR 1020020039810 A KR1020020039810 A KR 1020020039810A KR 20020039810 A KR20020039810 A KR 20020039810A KR 20040005309 A KR20040005309 A KR 20040005309A
Authority
KR
South Korea
Prior art keywords
light
backlight assembly
light guide
liquid crystal
guide plate
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
KR1020020039810A
Other languages
English (en)
Korean (ko)
Inventor
이상덕
강정태
김규석
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 KR1020020039810A priority Critical patent/KR20040005309A/ko
Priority to TW092114437A priority patent/TWI336011B/zh
Priority to US10/449,144 priority patent/US7133092B2/en
Priority to CNB031471773A priority patent/CN100397179C/zh
Priority to JP2003272188A priority patent/JP4362048B2/ja
Publication of KR20040005309A publication Critical patent/KR20040005309A/ko
Priority to US11/548,062 priority patent/US7580091B2/en
Ceased legal-status Critical Current

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
    • 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
    • G02B6/0035—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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
    • G02B6/005—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

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)
  • Optical Elements Other Than Lenses (AREA)
KR1020020039810A 2002-07-09 2002-07-09 도광장치와 이를 갖는 백라이트 어셈블리 및 액정 표시 장치 Ceased KR20040005309A (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020020039810A KR20040005309A (ko) 2002-07-09 2002-07-09 도광장치와 이를 갖는 백라이트 어셈블리 및 액정 표시 장치
TW092114437A TWI336011B (en) 2002-07-09 2003-05-28 Light guiding apparatus, backlight assembly and liquid crystal display device having the same
US10/449,144 US7133092B2 (en) 2002-07-09 2003-05-29 Light guiding apparatus, backlight assembly and liquid crystal display device having the same and with integral diffuser
CNB031471773A CN100397179C (zh) 2002-07-09 2003-07-08 光导装置、背光组件和液晶显示装置
JP2003272188A JP4362048B2 (ja) 2002-07-09 2003-07-09 導光装置と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
US11/548,062 US7580091B2 (en) 2002-07-09 2006-10-10 Light guiding apparatus, backlight assembly and liquid crystal display device having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020039810A KR20040005309A (ko) 2002-07-09 2002-07-09 도광장치와 이를 갖는 백라이트 어셈블리 및 액정 표시 장치

Publications (1)

Publication Number Publication Date
KR20040005309A true KR20040005309A (ko) 2004-01-16

Family

ID=30113109

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020020039810A Ceased KR20040005309A (ko) 2002-07-09 2002-07-09 도광장치와 이를 갖는 백라이트 어셈블리 및 액정 표시 장치

Country Status (5)

Country Link
US (2) US7133092B2 (cg-RX-API-DMAC10.html)
JP (1) JP4362048B2 (cg-RX-API-DMAC10.html)
KR (1) KR20040005309A (cg-RX-API-DMAC10.html)
CN (1) CN100397179C (cg-RX-API-DMAC10.html)
TW (1) TWI336011B (cg-RX-API-DMAC10.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100800512B1 (ko) * 2006-10-10 2008-02-04 엘지전자 주식회사 도광시트의 제조 방법
KR100906492B1 (ko) * 2008-12-18 2009-07-08 (주)섬레이코퍼레이션 면광원 조명장치
KR20150115300A (ko) * 2014-04-03 2015-10-14 주식회사 에이치지엠 복합 광산란요소를 갖는 도광판 유닛과 이의 제조방법

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040005309A (ko) * 2002-07-09 2004-01-16 삼성전자주식회사 도광장치와 이를 갖는 백라이트 어셈블리 및 액정 표시 장치
KR100698061B1 (ko) * 2004-03-30 2007-03-23 엘지.필립스 엘시디 주식회사 직하형 백라이트 유닛
CN100432709C (zh) * 2004-09-27 2008-11-12 中华映管股份有限公司 笔记本电脑、背光模块及其导光板
US7775700B2 (en) * 2004-10-01 2010-08-17 Rohm And Haas Electronics Materials Llc Turning film using array of roof prism structures
US7408461B2 (en) * 2005-01-11 2008-08-05 Controlled Capture Systems, Llc Metal detection system and method
KR101222957B1 (ko) * 2005-12-29 2013-01-17 엘지디스플레이 주식회사 액정표시장치
JP4333768B2 (ja) * 2007-04-06 2009-09-16 ソニー株式会社 表示装置
US7379130B1 (en) 2007-10-03 2008-05-27 Vitera Llc LCD with hetero polar light guide
KR101580329B1 (ko) * 2009-09-07 2015-12-23 엘지이노텍 주식회사 휴대용 기기에서의 전력 회생장치
US20110242849A1 (en) * 2010-04-05 2011-10-06 Skc Haas Display Films Co., Ltd. Thin double-sided light guide plate
US20110242850A1 (en) * 2010-04-06 2011-10-06 Skc Haas Display Films Co., Ltd. Double-sided light guide plate manufactured with micro-patterned carrier
US20110242847A1 (en) * 2010-04-06 2011-10-06 Skc Haas Display Films Co., Ltd. Laminated double-sided light guide plate
US20110242848A1 (en) * 2010-04-06 2011-10-06 SKC Haas Display Film Co., Ltd. Printed double-sided light guide plate
JP5200077B2 (ja) * 2010-09-13 2013-05-15 住友化学株式会社 光学シート、面光源装置及び透過型画像表示装置
US8628321B2 (en) * 2010-10-13 2014-01-14 Microsoft Corporation Molding of nonuniform object having undercut structure
TWI408046B (zh) * 2010-12-28 2013-09-11 Au Optronics Corp 背光模組、導光裝置及其導光板製造方法
JP5197782B2 (ja) * 2011-03-04 2013-05-15 株式会社東芝 バックライト装置および表示装置
TW201300894A (zh) * 2011-06-20 2013-01-01 Au Optronics Corp 側光式背光模組
CN102565922A (zh) * 2012-03-05 2012-07-11 昆山市诚泰电气股份有限公司 具有光扩散功能的玻璃导光板
CN102588803A (zh) * 2012-03-14 2012-07-18 昆山市诚泰电气股份有限公司 平板型led灯
CN102588802A (zh) * 2012-03-14 2012-07-18 昆山市诚泰电气股份有限公司 Led平面灯
TWI539211B (zh) 2012-04-30 2016-06-21 中強光電股份有限公司 導光板及使用導光板之背光模組
DE102012109900B4 (de) * 2012-10-17 2015-10-15 Bayerische Motoren Werke Aktiengesellschaft Fahrzeugverglasung
TWI499836B (zh) * 2013-01-11 2015-09-11 Innolux Corp 具有霧度元件的顯示裝置
CN103927950A (zh) * 2013-01-11 2014-07-16 群创光电股份有限公司 具有雾度元件的显示装置
KR102158802B1 (ko) * 2013-10-31 2020-09-23 삼성디스플레이 주식회사 표시 패널 및 액정 표시 장치
EP3171072A4 (en) * 2014-07-18 2018-04-04 Toppan Printing Co., Ltd. Protective film for wavelength conversion sheet, wavelength conversion sheet and backlight unit
US10571619B2 (en) * 2014-10-16 2020-02-25 Toppan Printing Co., Ltd. Quantum dot protective film, quantum dot film using same, and backlight unit
CN104407412A (zh) * 2014-12-15 2015-03-11 广州创维平面显示科技有限公司 导光板、液晶显示装置、导光板的加工装置及加工方法
JP6576087B2 (ja) * 2015-04-21 2019-09-18 株式会社沖データ 画像形成装置及び複合装置
US11019412B2 (en) 2018-05-04 2021-05-25 Red E Innovations, Llc System for monitoring an injection mold or stamping die
CN121232346A (zh) * 2024-06-28 2025-12-30 中强光电股份有限公司 导光板及光源模块

Citations (4)

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KR19990004687A (ko) * 1997-06-28 1999-01-25 성재갑 액정 표시 판넬용 광학 시트 및 그 제조 방법
KR19990023490A (ko) * 1997-08-11 1999-03-25 고이께 야스히로 사이드라이트형 면광원장치, 액정디스플레이 및 도광판
KR20000038518A (ko) * 1998-12-04 2000-07-05 윤종용 반사형 액정표시장치
KR20010046582A (ko) * 1999-11-13 2001-06-15 김춘호 표시 장치용 백라이트 장치

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GB2267378B (en) * 1992-05-22 1996-07-10 Nokia Mobile Phones Uk Illuminated LCD apparatus
JPH10188642A (ja) * 1996-12-25 1998-07-21 Sony Corp 照明装置
JP4118389B2 (ja) * 1997-12-29 2008-07-16 日本ライツ株式会社 導光板および平面照明装置
CN1151388C (zh) * 2000-06-07 2004-05-26 明基电通股份有限公司 均光背光板制作方法，均光背光板及其扫描器和液晶显示器
KR20040005309A (ko) * 2002-07-09 2004-01-16 삼성전자주식회사 도광장치와 이를 갖는 백라이트 어셈블리 및 액정 표시 장치
TWI273292B (en) * 2002-12-31 2007-02-11 Hon Hai Prec Ind Co Ltd Light guide plate and backlight system using the same

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
KR19990004687A (ko) * 1997-06-28 1999-01-25 성재갑 액정 표시 판넬용 광학 시트 및 그 제조 방법
KR19990023490A (ko) * 1997-08-11 1999-03-25 고이께 야스히로 사이드라이트형 면광원장치, 액정디스플레이 및 도광판
KR20000038518A (ko) * 1998-12-04 2000-07-05 윤종용 반사형 액정표시장치
KR20010046582A (ko) * 1999-11-13 2001-06-15 김춘호 표시 장치용 백라이트 장치

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100800512B1 (ko) * 2006-10-10 2008-02-04 엘지전자 주식회사 도광시트의 제조 방법
KR100906492B1 (ko) * 2008-12-18 2009-07-08 (주)섬레이코퍼레이션 면광원 조명장치
KR20150115300A (ko) * 2014-04-03 2015-10-14 주식회사 에이치지엠 복합 광산란요소를 갖는 도광판 유닛과 이의 제조방법

Also Published As

Publication number Publication date
US20070127260A1 (en) 2007-06-07
CN1470917A (zh) 2004-01-28
JP4362048B2 (ja) 2009-11-11
CN100397179C (zh) 2008-06-25
US20040008507A1 (en) 2004-01-15
TW200405093A (en) 2004-04-01
TWI336011B (en) 2011-01-11
JP2004039640A (ja) 2004-02-05
US7580091B2 (en) 2009-08-25
US7133092B2 (en) 2006-11-07

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