CN101101350B - 光导部件、包含光导部件的背光单元及制造光导部件和背光单元的方法 - Google Patents
光导部件、包含光导部件的背光单元及制造光导部件和背光单元的方法 Download PDFInfo
- Publication number
- CN101101350B CN101101350B CN2007100852302A CN200710085230A CN101101350B CN 101101350 B CN101101350 B CN 101101350B CN 2007100852302 A CN2007100852302 A CN 2007100852302A CN 200710085230 A CN200710085230 A CN 200710085230A CN 101101350 B CN101101350 B CN 101101350B
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- CN
- China
- Prior art keywords
- guide member
- light guide
- spacing
- groove
- light
- 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.)
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Classifications
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- 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
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S385/00—Optical waveguides
- Y10S385/901—Illuminating or display apparatus
Abstract
Description
Claims (24)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060062734 | 2006-07-04 | ||
KR1020060062734A KR100793536B1 (ko) | 2006-07-04 | 2006-07-04 | 액정 표시 장치의 백라이트 유니트 및 백라이트 유니트의도광판 제조 방법 |
KR10-2006-0062734 | 2006-07-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101101350A CN101101350A (zh) | 2008-01-09 |
CN101101350B true CN101101350B (zh) | 2010-09-08 |
Family
ID=38566005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007100852302A Active CN101101350B (zh) | 2006-07-04 | 2007-02-14 | 光导部件、包含光导部件的背光单元及制造光导部件和背光单元的方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7697813B2 (zh) |
EP (1) | EP1876481B1 (zh) |
JP (1) | JP4374368B2 (zh) |
KR (1) | KR100793536B1 (zh) |
CN (1) | CN101101350B (zh) |
DE (1) | DE602007005052D1 (zh) |
Families Citing this family (25)
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KR20090073886A (ko) * | 2007-12-31 | 2009-07-03 | 엘지디스플레이 주식회사 | 액정표시장치 |
US20090251921A1 (en) * | 2008-04-03 | 2009-10-08 | Tpo Displays Corp. | System for improvement of the perceived FOS homogeneity by suppressing hotspots in a module design with a short LED to active area distance |
US20110032728A1 (en) * | 2008-04-04 | 2011-02-10 | Kyocera Corporation | Light Source Device, and Display Apparatus Provided with Such Light Source Device |
US20100051089A1 (en) * | 2008-09-02 | 2010-03-04 | Qualcomm Mems Technologies, Inc. | Light collection device with prismatic light turning features |
JP5277842B2 (ja) * | 2008-09-30 | 2013-08-28 | 王子ホールディングス株式会社 | 光拡散シート |
US8118465B2 (en) * | 2009-10-30 | 2012-02-21 | Minebea Co., Ltd. | Spread illuminating apparatus |
KR20110068382A (ko) | 2009-12-16 | 2011-06-22 | 삼성전자주식회사 | 백라이트유닛 및 이를 가지는 디스플레이장치 |
KR101767452B1 (ko) * | 2010-07-05 | 2017-08-14 | 삼성디스플레이 주식회사 | 액정 표시 장치의 백라이트 유닛 |
CN102182964A (zh) * | 2011-04-29 | 2011-09-14 | 深圳市华星光电技术有限公司 | 背光模组及液晶显示装置 |
CN102200239A (zh) * | 2011-05-27 | 2011-09-28 | 苏州茂立光电科技有限公司 | 背光模块 |
JP5821361B2 (ja) * | 2011-07-25 | 2015-11-24 | セイコーエプソン株式会社 | 照明装置、液晶表示装置および電子機器 |
TWI457620B (zh) * | 2011-08-17 | 2014-10-21 | Au Optronics Corp | 導光板及背光模組 |
EP2808598B1 (en) * | 2012-03-09 | 2019-05-08 | Omron Corporation | Surface light source device |
WO2013151120A1 (ja) * | 2012-04-05 | 2013-10-10 | 株式会社クラレ | 照明装置 |
WO2013161678A1 (ja) * | 2012-04-23 | 2013-10-31 | シャープ株式会社 | 照明装置及び表示装置 |
KR102075922B1 (ko) * | 2012-05-10 | 2020-02-11 | 엘지디스플레이 주식회사 | 도광판 및 이를 이용한 액정표시 장치 |
US8613540B1 (en) | 2012-06-12 | 2013-12-24 | Skc Haas Display Films Co., Ltd. | Light guide plate having a reversed micro-pattern in its mixing zone |
WO2014017490A1 (ja) * | 2012-07-23 | 2014-01-30 | シャープ株式会社 | 照明装置及び表示装置 |
KR101392486B1 (ko) * | 2012-11-16 | 2014-05-12 | 엘지디스플레이 주식회사 | 액정표시장치 |
JP6334134B2 (ja) * | 2013-01-11 | 2018-05-30 | 学校法人慶應義塾 | 照明モジュール |
CN105163981B (zh) | 2013-05-29 | 2017-10-20 | 提爱思科技股份有限公司 | 车用发光配件 |
JP6334187B2 (ja) * | 2014-02-12 | 2018-05-30 | 株式会社nittoh | 導光板、照明装置 |
JP2018522367A (ja) * | 2015-05-13 | 2018-08-09 | コーニング インコーポレイテッド | ホットスポットを減少した導光体およびその製造方法 |
US9798068B2 (en) | 2015-08-20 | 2017-10-24 | Keio University | Illumination module |
KR20200011626A (ko) * | 2018-07-24 | 2020-02-04 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함한 표시 장치 |
Citations (3)
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CN1396483A (zh) * | 2001-07-13 | 2003-02-12 | 兴隆发电子股份有限公司 | 导光板及其模仁的制造方法 |
EP1351074A1 (en) * | 1998-12-30 | 2003-10-08 | Nokia Corporation | A backlighting light pipe for illuminating a flat-panel display |
CN1542522A (zh) * | 2003-04-16 | 2004-11-03 | ���ǵ�����ʽ���� | 边缘发光型背光系统导光板及用其的边缘发光型背光系统 |
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FR2620795B1 (fr) | 1987-09-18 | 1992-02-28 | Courageux Claude | Diffuseur de lumiere |
JP3809328B2 (ja) * | 2000-07-28 | 2006-08-16 | 株式会社日立製作所 | 液晶表示装置 |
JP3742570B2 (ja) * | 2000-08-11 | 2006-02-08 | 株式会社エンプラス | 導光板、面光源装置及び表示装置 |
JP4260358B2 (ja) | 2000-12-01 | 2009-04-30 | 日本ライツ株式会社 | 導光板および平面照明装置 |
JP4552082B2 (ja) * | 2001-07-24 | 2010-09-29 | ミネベア株式会社 | 面状照明装置 |
KR100786178B1 (ko) * | 2002-01-05 | 2007-12-21 | 삼성전자주식회사 | 액정표시장치 |
JP4145585B2 (ja) | 2002-07-05 | 2008-09-03 | 株式会社日立製作所 | 液晶表示装置 |
JP4436105B2 (ja) * | 2002-11-29 | 2010-03-24 | 富士通株式会社 | リフレクタ及び照明装置及び導光板及び表示装置 |
TWI273291B (en) * | 2002-12-17 | 2007-02-11 | Hon Hai Prec Ind Co Ltd | Surface light source and light guide plate used therein |
US6863414B2 (en) * | 2002-12-27 | 2005-03-08 | Quanta Display Incorporation | Front light module |
KR100921903B1 (ko) * | 2003-02-25 | 2009-10-14 | 엘지디스플레이 주식회사 | 도광판의 제조방법 |
TWI285300B (en) * | 2003-05-16 | 2007-08-11 | Hon Hai Prec Ind Co Ltd | A method for making a light guide plate mold |
JP4273930B2 (ja) * | 2003-10-31 | 2009-06-03 | ソニー株式会社 | 導光板及びバックライト装置 |
KR20060028895A (ko) | 2004-09-30 | 2006-04-04 | 엘지.필립스 엘시디 주식회사 | 백라이트 유닛 |
TWI332096B (en) * | 2004-10-29 | 2010-10-21 | Hon Hai Prec Ind Co Ltd | Backlight module |
KR20060093892A (ko) * | 2005-02-23 | 2006-08-28 | 주식회사 이라이콤 | 백라이트 유닛 |
JPWO2006100744A1 (ja) | 2005-03-18 | 2008-08-28 | 富士通株式会社 | 導光板および光源ユニット並びにディスプレイパネルユニットおよび電子機器 |
TWI285721B (en) * | 2005-12-02 | 2007-08-21 | Hon Hai Prec Ind Co Ltd | Light guide plate and method for manufacturing the light guide plate |
-
2006
- 2006-07-04 KR KR1020060062734A patent/KR100793536B1/ko active IP Right Grant
- 2006-10-20 JP JP2006286629A patent/JP4374368B2/ja active Active
-
2007
- 2007-02-14 CN CN2007100852302A patent/CN101101350B/zh active Active
- 2007-03-23 US US11/727,052 patent/US7697813B2/en active Active
- 2007-06-07 EP EP07252290A patent/EP1876481B1/en active Active
- 2007-06-07 DE DE602007005052T patent/DE602007005052D1/de active Active
-
2010
- 2010-04-07 US US12/662,252 patent/US8111969B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1351074A1 (en) * | 1998-12-30 | 2003-10-08 | Nokia Corporation | A backlighting light pipe for illuminating a flat-panel display |
CN1396483A (zh) * | 2001-07-13 | 2003-02-12 | 兴隆发电子股份有限公司 | 导光板及其模仁的制造方法 |
CN1542522A (zh) * | 2003-04-16 | 2004-11-03 | ���ǵ�����ʽ���� | 边缘发光型背光系统导光板及用其的边缘发光型背光系统 |
Also Published As
Publication number | Publication date |
---|---|
EP1876481A1 (en) | 2008-01-09 |
US7697813B2 (en) | 2010-04-13 |
JP2008015448A (ja) | 2008-01-24 |
JP4374368B2 (ja) | 2009-12-02 |
KR100793536B1 (ko) | 2008-01-14 |
US20100193978A1 (en) | 2010-08-05 |
DE602007005052D1 (de) | 2010-04-15 |
KR20080004138A (ko) | 2008-01-09 |
US8111969B2 (en) | 2012-02-07 |
US20080025686A1 (en) | 2008-01-31 |
CN101101350A (zh) | 2008-01-09 |
EP1876481B1 (en) | 2010-03-03 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20090109 Address after: Gyeonggi Do Korea Suwon Applicant after: Samsung Mobile Display Co., Ltd. Address before: Gyeonggi Do Korea Suwon Applicant before: Samsung SDI Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG MOBILE DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG SDI CO., LTD. Effective date: 20090109 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG MOBILE DISPLAY CO., LTD. Effective date: 20121121 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121121 Address after: South Korea Gyeonggi Do Yongin Patentee after: Samsung Display Co., Ltd. Address before: Gyeonggi Do Korea Suwon Patentee before: Samsung Mobile Display Co., Ltd. |