CN101101097A - 导光部件和包括导光部件的背光单元 - Google Patents
导光部件和包括导光部件的背光单元 Download PDFInfo
- Publication number
- CN101101097A CN101101097A CNA2007101271602A CN200710127160A CN101101097A CN 101101097 A CN101101097 A CN 101101097A CN A2007101271602 A CNA2007101271602 A CN A2007101271602A CN 200710127160 A CN200710127160 A CN 200710127160A CN 101101097 A CN101101097 A CN 101101097A
- Authority
- CN
- China
- Prior art keywords
- guide member
- light guide
- light
- projection
- groove
- 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.)
- Granted
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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
- G02B6/0038—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
- 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
- G02B6/0033—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR62735/06 | 2006-07-04 | ||
KR1020060062735A KR100793537B1 (ko) | 2006-07-04 | 2006-07-04 | 백라이트 유니트의 도광판 및 이를 구비한 백라이트 유니트 |
KR1020060062736A KR100793538B1 (ko) | 2006-07-04 | 2006-07-04 | 도광판 |
KR62736/06 | 2006-07-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101101097A true CN101101097A (zh) | 2008-01-09 |
CN100585271C CN100585271C (zh) | 2010-01-27 |
Family
ID=38566971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710127160A Active CN100585271C (zh) | 2006-07-04 | 2007-07-04 | 导光部件和包括导光部件的背光单元 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7457510B2 (zh) |
EP (1) | EP1906218B1 (zh) |
JP (1) | JP4307477B2 (zh) |
CN (1) | CN100585271C (zh) |
Cited By (12)
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CN102486548A (zh) * | 2010-12-01 | 2012-06-06 | 颖台科技股份有限公司 | 导光装置与背光模块 |
CN102537774A (zh) * | 2010-10-20 | 2012-07-04 | 索尼公司 | 照明装置和显示装置 |
CN102588766A (zh) * | 2010-10-07 | 2012-07-18 | 索尼公司 | 发光装置和图像显示设备 |
CN102629021A (zh) * | 2011-02-02 | 2012-08-08 | 株式会社日立显示器 | 显示装置 |
CN103423707A (zh) * | 2012-03-14 | 2013-12-04 | 三星电子株式会社 | 导光板、背光单元以及显示装置 |
CN103487871A (zh) * | 2012-06-12 | 2014-01-01 | 爱思开哈斯显示用薄膜有限公司 | 用于减小导光板中热点的方法 |
CN103487870A (zh) * | 2012-06-12 | 2014-01-01 | 爱思开哈斯显示用薄膜有限公司 | 其混合区中具有反转微图案的导光板 |
CN103487872A (zh) * | 2012-06-12 | 2014-01-01 | 爱思开哈斯显示用薄膜有限公司 | 利用混合区中的反转微图案减小导光板中热点的方法 |
CN103487869A (zh) * | 2012-06-12 | 2014-01-01 | 爱思开哈斯显示用薄膜有限公司 | 其混合区中具有一维微图案的导光板 |
CN107002950A (zh) * | 2014-12-10 | 2017-08-01 | 夏普株式会社 | 照明装置及显示装置 |
CN109073202A (zh) * | 2016-02-29 | 2018-12-21 | 克里公司 | 利用波导的发光体 |
CN111386492A (zh) * | 2018-10-25 | 2020-07-07 | 瑞仪光电(苏州)有限公司 | 导光板、背光模块及显示设备 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070030415A1 (en) * | 2005-05-16 | 2007-02-08 | Epstein Kenneth A | Back-lit displays with high illumination uniformity |
KR100793534B1 (ko) * | 2006-07-04 | 2008-01-14 | 삼성에스디아이 주식회사 | 액정 표시 장치의 백라이트 유니트 및 백라이트 유니트의도광판 제조 방법 |
US7605880B2 (en) * | 2006-10-27 | 2009-10-20 | Chunghwa Picture Tubes, Ltd. | Liquid crystal display |
US20080111947A1 (en) * | 2006-11-15 | 2008-05-15 | 3M Innovative Properties Company | Back-lit displays with high illumination uniformity |
CN101535880A (zh) * | 2006-11-15 | 2009-09-16 | 3M创新有限公司 | 具有高照明均匀度的背光型显示屏 |
US7766528B2 (en) * | 2006-11-15 | 2010-08-03 | 3M Innovative Properties Company | Back-lit displays with high illumination uniformity |
US7789538B2 (en) * | 2006-11-15 | 2010-09-07 | 3M Innovative Properties Company | Back-lit displays with high illumination uniformity |
TW200827865A (en) * | 2006-12-28 | 2008-07-01 | Au Optronics Corp | Optical component assembly for use in a direct backlight module |
KR101372849B1 (ko) * | 2007-07-27 | 2014-03-10 | 삼성디스플레이 주식회사 | 콜리메이팅 도광판, 확산 유닛 및 이를 채용한 디스플레이장치 |
KR101494450B1 (ko) * | 2008-10-08 | 2015-02-16 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
US7931396B2 (en) * | 2008-12-10 | 2011-04-26 | Sharp Kabushiki Kaisha | Backlight and display |
EP2484953A1 (en) * | 2009-09-30 | 2012-08-08 | Sharp Kabushiki Kaisha | Light source module and electronic apparatus with same |
JP2012237897A (ja) * | 2011-05-12 | 2012-12-06 | Funai Electric Co Ltd | 液晶表示装置および液晶テレビジョン装置 |
KR101872348B1 (ko) * | 2011-06-22 | 2018-06-29 | 삼성디스플레이 주식회사 | 백라이트용 도광판 및 그 제조 방법 |
US8876325B2 (en) * | 2011-07-01 | 2014-11-04 | Cree, Inc. | Reverse total internal reflection features in linear profile for lighting applications |
KR20130051168A (ko) * | 2011-11-09 | 2013-05-20 | 삼성전자주식회사 | 액정패널조립체 및 그를 구비한 영상표시장치 |
EP2639498A1 (en) * | 2012-03-14 | 2013-09-18 | Samsung Electronics Co., Ltd | Light Guide Panel and Backlight Unit having the same |
TWI481915B (zh) * | 2013-08-20 | 2015-04-21 | Radiant Opto Electronics Corp | 具多向性結構之導光板 |
US9442240B2 (en) | 2012-03-16 | 2016-09-13 | Radiant Opto-Electronics Corporation | Light guide plate and light source module |
KR20140039357A (ko) * | 2012-09-19 | 2014-04-02 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 표시장치 |
US9835317B2 (en) * | 2014-03-15 | 2017-12-05 | Cree, Inc. | Luminaire utilizing waveguide |
KR102130280B1 (ko) * | 2014-06-25 | 2020-07-09 | 엘지디스플레이 주식회사 | 곡면 백라이트 유닛 및 이를 포함하는 곡면 디스플레이 장치 |
US9684116B2 (en) * | 2014-08-18 | 2017-06-20 | New Optics, Ltd | Light guide plate, and backlight unit and display device including the same |
US9684113B2 (en) * | 2014-08-18 | 2017-06-20 | New Optics, Ltd | Light guide plate, and backlight unit and display device including the same |
US20170371086A1 (en) * | 2016-06-23 | 2017-12-28 | Apple Inc. | Display Backlights with Reduced Mixing Distances |
TWI665479B (zh) * | 2018-01-26 | 2019-07-11 | 光耀科技股份有限公司 | 導光膜及具有該導光膜的背光模組 |
US10875449B2 (en) * | 2019-02-19 | 2020-12-29 | Rebo Lighting & Electronics, Llc | Subsurface engraved vehicle light guide |
JP7414621B2 (ja) * | 2020-04-03 | 2024-01-16 | 株式会社ジャパンディスプレイ | 発光装置及び照明装置 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3006306B2 (ja) | 1992-09-16 | 2000-02-07 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 光学的フイルム及び上記光学的フイルムを用いた液晶表示装置 |
US5598280A (en) | 1993-03-23 | 1997-01-28 | Dai Nippon Printing Co., Ltd. | Film lens and a surface light source using the same |
US5719649A (en) | 1994-06-08 | 1998-02-17 | Kabushiki Kaisha Toshiba | Light guide and liquid crystal display device using it |
US6072551A (en) | 1996-02-14 | 2000-06-06 | Physical Optics Corporation | Backlight apparatus for illuminating a display with controlled light output characteristics |
KR100422938B1 (ko) * | 1999-03-24 | 2004-03-12 | 주식회사 엘지 | 백라이트 시스템 |
US6356389B1 (en) | 1999-11-12 | 2002-03-12 | Reflexite Corporation | Subwavelength optical microstructure light collimating films |
KR20000024140A (ko) | 2000-01-25 | 2000-05-06 | 윤효철 | 백라이트 장치 |
KR20020031566A (ko) | 2000-10-21 | 2002-05-02 | 다니구찌 이찌로오, 기타오카 다카시 | 액정 표시 장치용 백라이트 |
US6595652B2 (en) | 2000-12-12 | 2003-07-22 | International Manufacturing And Engineering Services Co., Ltd. | Surface lighting device |
KR20010035196A (ko) | 2001-01-12 | 2001-05-07 | 최인식 | 이종 패턴으로 구성된 무인쇄 도광판 및 그것을 이용한백라이트 |
TW574509B (en) | 2001-02-14 | 2004-02-01 | Yuka Denshi Co Ltd | Light guide body, light reflective sheet and surface light source device and liquid crystal device using the light reflective sheet, and the manufacturing method of light reflective sheet |
KR100745405B1 (ko) | 2001-02-26 | 2007-08-02 | 삼성전자주식회사 | 백라이트 어셈블리를 갖는 액정표시장치 |
KR20020023263A (ko) | 2002-01-08 | 2002-03-28 | 유영호 | 백라이트 유니트의 도광판 |
US20040246697A1 (en) | 2001-10-04 | 2004-12-09 | Tomoyoshi Yamashita | Area light source and lightguide used therefor |
KR20010106393A (ko) | 2001-11-12 | 2001-11-29 | 윤효철 | 백라이트 장치 |
EP2284437B1 (en) | 2001-12-05 | 2013-01-02 | Rambus International Ltd | Transreflector and display with transreflector |
JP2003331624A (ja) | 2002-05-13 | 2003-11-21 | West Electric Co Ltd | 照明装置 |
JP3952168B2 (ja) * | 2002-06-11 | 2007-08-01 | 富士通株式会社 | 電子機器、液晶表示装置および導光板 |
JP2004079418A (ja) | 2002-08-21 | 2004-03-11 | Matsushita Electric Ind Co Ltd | 導光板およびそれが用いられるバックライト装置 |
KR20040024725A (ko) | 2002-09-16 | 2004-03-22 | 주식회사 미뉴타텍 | 광학 필름 및 그 제조 방법과 이를 이용한 액정표시장치용백라이트 유니트 |
KR100663297B1 (ko) * | 2003-11-10 | 2007-01-02 | 비오이 하이디스 테크놀로지 주식회사 | 백 라이트 유니트의 도광판 |
KR100523081B1 (ko) | 2003-12-11 | 2005-10-24 | 제일모직주식회사 | 2축 가공된 미세 프리즘수단의 도광판으로 구성되는백라이트유닛 |
KR101075232B1 (ko) | 2004-02-06 | 2011-10-20 | 삼성전자주식회사 | 도광판, 백라이트 유닛, 액정디스플레이 및 도광판의제조방법 |
TWI300494B (en) | 2004-07-23 | 2008-09-01 | Hon Hai Prec Ind Co Ltd | Light guiding plate and backlight module using the same |
KR100651660B1 (ko) | 2004-09-13 | 2006-12-01 | 주식회사 우영 | 백라이트 유니트용 도광판, 백라이트 유니트용 도광판의저면을 성형하는 하측 메인 코어 및 백라이트 유니트용도광판 제조방법 |
US20060146227A1 (en) * | 2005-01-03 | 2006-07-06 | Jong-Dae Park | Prism sheet and liquid crystal display apparatus using thereof |
KR102004696B1 (ko) | 2017-06-14 | 2019-07-29 | 엘씨파워코리아(주) | 차단기가 적층되는 전원분배장치 |
-
2006
- 2006-12-01 JP JP2006325872A patent/JP4307477B2/ja active Active
-
2007
- 2007-03-23 US US11/727,053 patent/US7457510B2/en active Active
- 2007-07-04 EP EP07252685.8A patent/EP1906218B1/en active Active
- 2007-07-04 CN CN200710127160A patent/CN100585271C/zh active Active
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102588766A (zh) * | 2010-10-07 | 2012-07-18 | 索尼公司 | 发光装置和图像显示设备 |
CN102537774A (zh) * | 2010-10-20 | 2012-07-04 | 索尼公司 | 照明装置和显示装置 |
CN102486548A (zh) * | 2010-12-01 | 2012-06-06 | 颖台科技股份有限公司 | 导光装置与背光模块 |
CN102486548B (zh) * | 2010-12-01 | 2014-06-11 | 颖台科技股份有限公司 | 导光装置与背光模块 |
CN102629021A (zh) * | 2011-02-02 | 2012-08-08 | 株式会社日立显示器 | 显示装置 |
US8992062B2 (en) | 2011-02-02 | 2015-03-31 | Japan Display Inc. | Display device with light guide plate having irregularities on front light exit surface |
CN103423707A (zh) * | 2012-03-14 | 2013-12-04 | 三星电子株式会社 | 导光板、背光单元以及显示装置 |
CN103487869A (zh) * | 2012-06-12 | 2014-01-01 | 爱思开哈斯显示用薄膜有限公司 | 其混合区中具有一维微图案的导光板 |
CN103487872A (zh) * | 2012-06-12 | 2014-01-01 | 爱思开哈斯显示用薄膜有限公司 | 利用混合区中的反转微图案减小导光板中热点的方法 |
CN103487870A (zh) * | 2012-06-12 | 2014-01-01 | 爱思开哈斯显示用薄膜有限公司 | 其混合区中具有反转微图案的导光板 |
CN103487871A (zh) * | 2012-06-12 | 2014-01-01 | 爱思开哈斯显示用薄膜有限公司 | 用于减小导光板中热点的方法 |
CN107002950A (zh) * | 2014-12-10 | 2017-08-01 | 夏普株式会社 | 照明装置及显示装置 |
CN107002950B (zh) * | 2014-12-10 | 2020-08-25 | 夏普株式会社 | 照明装置及显示装置 |
CN109073202A (zh) * | 2016-02-29 | 2018-12-21 | 克里公司 | 利用波导的发光体 |
CN109073202B (zh) * | 2016-02-29 | 2020-09-01 | 理想工业照明有限责任公司 | 利用波导的发光体 |
CN111386492A (zh) * | 2018-10-25 | 2020-07-07 | 瑞仪光电(苏州)有限公司 | 导光板、背光模块及显示设备 |
US11500144B2 (en) | 2018-10-25 | 2022-11-15 | Radiant Opto-Electronics (Suzhou) Co., Ltd. | Light guide plate, backlight module and display device |
Also Published As
Publication number | Publication date |
---|---|
US20080025687A1 (en) | 2008-01-31 |
JP4307477B2 (ja) | 2009-08-05 |
US7457510B2 (en) | 2008-11-25 |
JP2008016430A (ja) | 2008-01-24 |
EP1906218A1 (en) | 2008-04-02 |
EP1906218B1 (en) | 2018-05-30 |
CN100585271C (zh) | 2010-01-27 |
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