DE69115678T2 - Flächenartiges beleuchtungselement - Google Patents
Flächenartiges beleuchtungselementInfo
- Publication number
- DE69115678T2 DE69115678T2 DE69115678T DE69115678T DE69115678T2 DE 69115678 T2 DE69115678 T2 DE 69115678T2 DE 69115678 T DE69115678 T DE 69115678T DE 69115678 T DE69115678 T DE 69115678T DE 69115678 T2 DE69115678 T2 DE 69115678T2
- Authority
- DE
- Germany
- Prior art keywords
- lighting element
- area lighting
- area
- lighting
- 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.)
- Expired - Fee Related
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
- 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
-
- 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
-
- 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
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- 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
- G02B6/0035—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
- G02B6/0066—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
- G02B6/007—Incandescent lamp or gas discharge lamp
- G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24153890 | 1990-09-12 | ||
PCT/JP1991/001211 WO1992004648A1 (en) | 1990-09-12 | 1991-09-12 | Element of plane source of light |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69115678D1 DE69115678D1 (de) | 1996-02-01 |
DE69115678T2 true DE69115678T2 (de) | 1996-07-18 |
Family
ID=17075846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69115678T Expired - Fee Related DE69115678T2 (de) | 1990-09-12 | 1991-09-12 | Flächenartiges beleuchtungselement |
Country Status (6)
Country | Link |
---|---|
US (1) | US5550676A (de) |
EP (1) | EP0500960B1 (de) |
KR (1) | KR0141088B1 (de) |
CA (1) | CA2068422A1 (de) |
DE (1) | DE69115678T2 (de) |
WO (1) | WO1992004648A1 (de) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5515184A (en) * | 1991-11-12 | 1996-05-07 | The University Of Alabama In Huntsville | Waveguide hologram illuminators |
CA2097109C (en) * | 1992-06-01 | 2000-01-11 | Shozo Kokawa | Liquid crystal display |
USRE37377E1 (en) | 1992-10-09 | 2001-09-18 | Asahi Glass Company, Ltd. | LCD device including an illumination device having a polarized light separating sheet between a light guide and the display |
EP0797045B1 (de) * | 1993-02-01 | 1999-05-12 | Tosoh Corporation | Hintergrundbeleuchtungseinrichtung |
AU6524694A (en) * | 1993-03-29 | 1994-10-24 | Precision Lamp, Inc. | Flat thin uniform thickness large area light source |
US5863113A (en) * | 1993-06-22 | 1999-01-26 | Mitsubishi Rayon Co., Ltd. | Plane light source unit |
CA2099067C (en) * | 1993-06-23 | 2001-02-13 | Makoto Oe | Plane light source unit |
JP3516466B2 (ja) * | 1993-06-29 | 2004-04-05 | 旭硝子株式会社 | 照明装置および液晶表示装置 |
US5396350A (en) * | 1993-11-05 | 1995-03-07 | Alliedsignal Inc. | Backlighting apparatus employing an array of microprisms |
US5428468A (en) * | 1993-11-05 | 1995-06-27 | Alliedsignal Inc. | Illumination system employing an array of microprisms |
US5555329A (en) * | 1993-11-05 | 1996-09-10 | Alliesignal Inc. | Light directing optical structure |
US6129439A (en) * | 1993-11-05 | 2000-10-10 | Alliedsignal Inc. | Illumination system employing an array of multi-faceted microprisms |
US5521725A (en) * | 1993-11-05 | 1996-05-28 | Alliedsignal Inc. | Illumination system employing an array of microprisms |
US5598281A (en) * | 1993-11-19 | 1997-01-28 | Alliedsignal Inc. | Backlight assembly for improved illumination employing tapered optical elements |
GB2294350A (en) * | 1994-10-21 | 1996-04-24 | Sharp Kk | Light source and display |
DE69526998T2 (de) * | 1994-03-25 | 2002-12-19 | Novartis Ag | Licht-Diffusor und Herstellungsverfahren eines Licht-Diffusors |
JPH0868910A (ja) | 1994-08-29 | 1996-03-12 | Enplas Corp | 面光源装置用導光板及びその製造方法 |
US6080467A (en) * | 1995-06-26 | 2000-06-27 | 3M Innovative Properties Company | High efficiency optical devices |
US6712481B2 (en) * | 1995-06-27 | 2004-03-30 | Solid State Opto Limited | Light emitting panel assemblies |
US7108414B2 (en) | 1995-06-27 | 2006-09-19 | Solid State Opto Limited | Light emitting panel assemblies |
US5613751A (en) | 1995-06-27 | 1997-03-25 | Lumitex, Inc. | Light emitting panel assemblies |
CN1078335C (zh) * | 1996-02-01 | 2002-01-23 | 三菱丽阳株式会社 | 面光源元件及使用它的液晶显示装置和标志显示装置 |
US5897184A (en) * | 1996-07-02 | 1999-04-27 | Dimension Technologies, Inc. | Reduced-thickness backlighter for autostereoscopic display and display using the backlighter |
JPH10144122A (ja) * | 1996-11-06 | 1998-05-29 | Enplas Corp | サイドライト型面光源装置 |
US5903392A (en) * | 1997-05-19 | 1999-05-11 | Dai Nippon Printing Co., Ltd. | Reflecting screen |
US6079844A (en) * | 1997-06-10 | 2000-06-27 | The University Of British Columbia | High efficiency high intensity backlighting of graphic displays |
KR100402718B1 (ko) * | 1998-12-29 | 2003-10-22 | 오스람 옵토 세미컨덕터스 게엠베하 | 각을 형성하면서 측면에 광을 주사하는 광원 엘리먼트 |
DE19860695B4 (de) * | 1998-12-29 | 2011-04-28 | Siemens Ag | Lichtquellenelement mit schräggestellter Lichtaustrittsfläche |
DE19860696B4 (de) * | 1998-12-29 | 2009-07-02 | Siemens Ag | Lichtquellenelement mit seitlicher schräger Lichteinkopplung |
DE19860697A1 (de) * | 1998-12-29 | 2000-08-10 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines flachen Lichtleitermoduls |
US6752505B2 (en) * | 1999-02-23 | 2004-06-22 | Solid State Opto Limited | Light redirecting films and film systems |
US6386721B1 (en) * | 1999-07-08 | 2002-05-14 | Physical Optics Corporation | Light pipe having one or more integral diffusers |
US6570710B1 (en) * | 1999-11-12 | 2003-05-27 | Reflexite Corporation | Subwavelength optical microstructure light collimating films |
WO2001056265A2 (de) * | 2000-01-25 | 2001-08-02 | 4D-Vision Gmbh | Verfahren und anordnung zur räumlichen darstellung |
DE10053867B4 (de) * | 2000-03-15 | 2006-01-12 | X3D Technologies Gmbh | Beleuchtungsvorrichtung |
KR20020001594A (ko) * | 2000-06-26 | 2002-01-09 | 가마이 고로 | 도광판, 면광원 장치 및 반사형 액정 표시 장치 |
US20040190102A1 (en) * | 2000-08-18 | 2004-09-30 | Mullen Patrick W. | Differentially-cured materials and process for forming same |
US7230764B2 (en) * | 2000-08-18 | 2007-06-12 | Reflexite Corporation | Differentially-cured materials and process for forming same |
CN100389017C (zh) * | 2000-08-18 | 2008-05-21 | 瑞弗莱克塞特公司 | 差动固化材料及其形成过程 |
US6833962B2 (en) * | 2000-12-04 | 2004-12-21 | Richard F. Bergen | Light altering device |
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 |
KR20040012393A (ko) * | 2002-08-03 | 2004-02-11 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정 표시 장치 |
TW575185U (en) * | 2002-11-15 | 2004-02-01 | Hon Hai Prec Ind Co Ltd | Backlight system and light guide plate thereof |
TWI273291B (en) * | 2002-12-17 | 2007-02-11 | Hon Hai Prec Ind Co Ltd | Surface light source and light guide plate used therein |
CA2523493A1 (en) * | 2003-05-02 | 2004-11-18 | Reflexite Corporation | Light-redirecting optical structures |
DE10325146A1 (de) | 2003-05-30 | 2004-12-16 | X3D Technologies Gmbh | Verfahren und Anordnung zur räumlichen Darstellung |
US20070201234A1 (en) * | 2003-07-21 | 2007-08-30 | Clemens Ottermann | Luminous element |
DE10336352B4 (de) * | 2003-08-08 | 2007-02-08 | Schott Ag | Verfahren zur Herstellung von Streulichtstrukturen an flächigen Lichtleitern |
JP4379786B2 (ja) * | 2003-11-11 | 2009-12-09 | 株式会社エンプラス | 面光源装置 |
JP2005183363A (ja) * | 2003-11-25 | 2005-07-07 | Sharp Corp | 導光板、それを備えた照明装置、及び、液晶表示装置、並びに、導光板成形型 |
TWI257505B (en) * | 2004-06-04 | 2006-07-01 | Au Optronics Corp | Light module and liquid crystal display equipment |
TWI241441B (en) * | 2004-08-13 | 2005-10-11 | Innolux Display Corp | Light guide plate |
KR101189080B1 (ko) * | 2005-01-24 | 2012-11-09 | 삼성디스플레이 주식회사 | 반사판과 이를 포함하는 액정표시장치 |
TWI330288B (en) * | 2006-01-17 | 2010-09-11 | Au Optronics Corp | Backlight module |
JP2008029804A (ja) * | 2006-06-27 | 2008-02-14 | Family Co Ltd | マッサージ機 |
US7551243B2 (en) * | 2006-11-21 | 2009-06-23 | Honeywell International Inc. | Lens for increased light distribution uniformity in an LCD backlight |
DE102006060409B4 (de) | 2006-12-20 | 2021-06-24 | Osram Gmbh | Verfahren zur Herstellung eines Lichtleiters |
US20080188277A1 (en) | 2007-02-01 | 2008-08-07 | Ritter Janice E | Electronic Game Device And Method Of Using The Same |
US20090067194A1 (en) * | 2007-09-11 | 2009-03-12 | World Properties, Inc. | Light guide with imprinted phosphor |
US20090179870A1 (en) * | 2008-01-16 | 2009-07-16 | World Properties, Inc. | Luminous touch screen with interstitial layers |
CN102066836B (zh) * | 2008-06-23 | 2014-09-03 | 索尼公司 | 面光源装置及显示器 |
US20100142222A1 (en) * | 2008-12-04 | 2010-06-10 | World Properties, Inc. | Light guide with refractive layer |
JP2010205504A (ja) * | 2009-03-02 | 2010-09-16 | Hitachi Ltd | バックライト装置及びこれを用いた映像表示装置 |
US8248554B2 (en) | 2009-06-19 | 2012-08-21 | Apple Inc. | Edge-lit backlight unit with thin profile |
US7978407B1 (en) | 2009-06-27 | 2011-07-12 | Holovisions LLC | Holovision (TM) 3D imaging with rotating light-emitting members |
US8587498B2 (en) * | 2010-03-01 | 2013-11-19 | Holovisions LLC | 3D image display with binocular disparity and motion parallax |
DE102010019051A1 (de) | 2010-05-03 | 2011-11-03 | Osram Opto Semiconductors Gmbh | Flächenlichtleiter und Beleuchtungseinrichtung |
JP6002071B2 (ja) * | 2013-03-26 | 2016-10-05 | 株式会社東芝 | 照明装置及び導光部材 |
JP2017200514A (ja) * | 2016-05-02 | 2017-11-09 | 国立大学法人名古屋大学 | 治療器 |
US10302997B2 (en) * | 2016-11-14 | 2019-05-28 | Samsung Electronics Co., Ltd. | Backlight unit and display device having the same |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454135A1 (fr) * | 1979-04-13 | 1980-11-07 | Suisse Horlogerie | Structure de surface diffusante pour un guide de lumiere de dispositif d'affichage d'informations |
JPS5933077A (ja) * | 1982-08-18 | 1984-02-22 | Daifuku Co Ltd | 自動溶接機のダブルト−チ支持装置 |
JPS5933077U (ja) * | 1982-08-23 | 1984-02-29 | 株式会社小糸製作所 | 液晶表示器 |
JPS6229003A (ja) * | 1985-07-30 | 1987-02-07 | 株式会社トキメック | 背面反射式光拡散装置 |
GB2196100B (en) * | 1986-10-01 | 1990-07-04 | Mitsubishi Rayon Co | Light diffusing device |
CA1312320C (en) * | 1987-11-12 | 1993-01-05 | Makoto Oe | Plane light source unit |
JPH0748093B2 (ja) * | 1987-12-25 | 1995-05-24 | 三菱レイヨン株式会社 | 面光源素子 |
JP2891459B2 (ja) * | 1988-03-28 | 1999-05-17 | 東ソー株式会社 | バックライト |
JPH0731323B2 (ja) * | 1988-04-01 | 1995-04-10 | 三菱レイヨン株式会社 | 面光源素子 |
JPH0670882B2 (ja) * | 1988-08-23 | 1994-09-07 | 株式会社明拓システム | 単板使用エッジライトパネル |
US5283673A (en) * | 1989-09-30 | 1994-02-01 | Kabushiki Kaisha Meitaku Shisutemu | Surface luminous source panel with areas having different reflector speck densities |
US5093765A (en) * | 1990-02-16 | 1992-03-03 | Tosoh Corporation | Back lighting device for a panel |
EP0462361B1 (de) * | 1990-06-19 | 1996-06-19 | Enplas Corporation | Gerät für eine flächenartige Lichtquelle |
JP3204999B2 (ja) * | 1990-06-26 | 2001-09-04 | 株式会社スタンレー滋賀製作所 | エッジライトパネル |
-
1991
- 1991-09-12 CA CA002068422A patent/CA2068422A1/en not_active Abandoned
- 1991-09-12 DE DE69115678T patent/DE69115678T2/de not_active Expired - Fee Related
- 1991-09-12 EP EP91915978A patent/EP0500960B1/de not_active Expired - Lifetime
- 1991-09-12 WO PCT/JP1991/001211 patent/WO1992004648A1/ja active IP Right Grant
- 1991-09-12 KR KR1019920701097A patent/KR0141088B1/ko not_active IP Right Cessation
-
1994
- 1994-09-06 US US08/300,518 patent/US5550676A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR0141088B1 (ko) | 1998-08-17 |
KR920702503A (ko) | 1992-09-04 |
EP0500960A1 (de) | 1992-09-02 |
US5550676A (en) | 1996-08-27 |
EP0500960B1 (de) | 1995-12-20 |
EP0500960A4 (en) | 1992-11-19 |
DE69115678D1 (de) | 1996-02-01 |
WO1992004648A1 (en) | 1992-03-19 |
CA2068422A1 (en) | 1992-03-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |