CA2345345A1 - Illumination system having an array of linear prisms - Google Patents
Illumination system having an array of linear prisms Download PDFInfo
- Publication number
- CA2345345A1 CA2345345A1 CA002345345A CA2345345A CA2345345A1 CA 2345345 A1 CA2345345 A1 CA 2345345A1 CA 002345345 A CA002345345 A CA 002345345A CA 2345345 A CA2345345 A CA 2345345A CA 2345345 A1 CA2345345 A1 CA 2345345A1
- Authority
- CA
- Canada
- Prior art keywords
- illumination system
- light
- recited
- waveguide
- light directing
- 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.)
- Abandoned
Links
- 238000005286 illumination Methods 0.000 title claims abstract description 95
- 239000007787 solid Substances 0.000 claims abstract description 27
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 230000001902 propagating effect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 125000001153 fluoro group Chemical group F* 0.000 claims 1
- 239000000463 material Substances 0.000 description 7
- 240000003380 Passiflora rubra Species 0.000 description 2
- 210000000007 bat wing Anatomy 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
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
-
- 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
- G02B6/005—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
- 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
- G02B6/0055—Reflecting 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)
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Revetment (AREA)
- Facsimile Scanning Arrangements (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/160,941 | 1998-09-25 | ||
| US09/160,941 US6305811B1 (en) | 1998-09-25 | 1998-09-25 | Illumination system having an array of linear prisms |
| PCT/US1999/022174 WO2000019145A1 (en) | 1998-09-25 | 1999-09-23 | Illumination system having an array of linear prisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2345345A1 true CA2345345A1 (en) | 2000-04-06 |
Family
ID=22579123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002345345A Abandoned CA2345345A1 (en) | 1998-09-25 | 1999-09-23 | Illumination system having an array of linear prisms |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6305811B1 (enExample) |
| EP (1) | EP1115999B1 (enExample) |
| JP (1) | JP2002525838A (enExample) |
| KR (1) | KR100690096B1 (enExample) |
| CN (1) | CN1124434C (enExample) |
| AT (1) | ATE269511T1 (enExample) |
| AU (1) | AU6262599A (enExample) |
| CA (1) | CA2345345A1 (enExample) |
| DE (1) | DE69918143T2 (enExample) |
| WO (1) | WO2000019145A1 (enExample) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003500813A (ja) * | 1999-05-20 | 2003-01-07 | ツムトーベル シュタッフ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 照明装置 |
| JP3730077B2 (ja) * | 2000-03-01 | 2005-12-21 | 日本板硝子株式会社 | 導光体 |
| TW503646B (en) * | 2000-03-16 | 2002-09-21 | Nippon Sheet Glass Co Ltd | Line illuminating device |
| JP4439084B2 (ja) | 2000-06-14 | 2010-03-24 | 日東電工株式会社 | 液晶表示装置 |
| JP2002050219A (ja) * | 2000-07-25 | 2002-02-15 | Internatl Business Mach Corp <Ibm> | 面状光源装置、導光板、表示装置 |
| TW507086B (en) * | 2000-07-26 | 2002-10-21 | Shih-King Lee | Polarized separating back light source module |
| JP2002124112A (ja) * | 2000-08-07 | 2002-04-26 | Sharp Corp | バックライト及び液晶表示装置 |
| TWI297093B (en) * | 2000-09-25 | 2008-05-21 | Mitsubishi Rayon Co | Light source device |
| JP3928395B2 (ja) * | 2001-09-21 | 2007-06-13 | オムロン株式会社 | 面光源装置 |
| JP4048049B2 (ja) * | 2001-12-21 | 2008-02-13 | 株式会社エンプラス | 面光源装置及び液晶表示装置 |
| JP4035998B2 (ja) * | 2002-01-23 | 2008-01-23 | オムロン株式会社 | 面光源装置、拡散板及び液晶表示装置 |
| KR20030085986A (ko) * | 2002-05-03 | 2003-11-07 | 나노엘시디(주) | 반사층을 가진 도광판 |
| EP2278216B1 (en) * | 2002-11-29 | 2012-03-14 | Fujitsu Limited | Illumination device and liquid crystal display apparatus |
| KR100897504B1 (ko) * | 2002-12-03 | 2009-05-15 | 삼성전자주식회사 | 백라이트 어셈블리 |
| JP3942538B2 (ja) * | 2002-12-16 | 2007-07-11 | 富士通化成株式会社 | 面照明装置と液晶表示装置 |
| TW583474B (en) * | 2003-05-12 | 2004-04-11 | Au Optronics Corp | Back light module and liquid crystal display |
| KR20050032838A (ko) * | 2003-10-02 | 2005-04-08 | 엘지.필립스 엘시디 주식회사 | 액정표시장치용 백라이트 유닛 |
| US20050201103A1 (en) * | 2004-03-12 | 2005-09-15 | Honeywell International Inc. | Luminaires with batwing light distribution |
| US7195374B2 (en) * | 2004-03-12 | 2007-03-27 | Honeywell International, Inc. | Luminaires for artificial lighting |
| US7258467B2 (en) * | 2004-03-12 | 2007-08-21 | Honeywell International, Inc. | Low profile direct/indirect luminaires |
| JP4093990B2 (ja) * | 2004-05-26 | 2008-06-04 | 日本板硝子株式会社 | 導光体、ライン照明装置および画像読取装置 |
| KR101133756B1 (ko) * | 2004-08-30 | 2012-04-09 | 삼성전자주식회사 | 도광판과 이를 구비한 백라이트 어셈블리 및 액정표시장치 |
| KR100714457B1 (ko) * | 2005-06-20 | 2007-05-04 | 한국에너지기술연구원 | 빛의 산란을 유도하는 광추출기 |
| GB2428303A (en) * | 2005-07-08 | 2007-01-24 | Sharp Kk | An illumination system for switching a display between a public and private viewing mode |
| US7452120B2 (en) * | 2006-03-24 | 2008-11-18 | Rohm And Haas Denmark Finance A/S | Illumination apparatus and film |
| JP2009534789A (ja) * | 2006-04-21 | 2009-09-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 照明システム |
| CN200968993Y (zh) * | 2006-09-20 | 2007-10-31 | 鸿富锦精密工业（深圳）有限公司 | 导光板及具有该导光板的背光模组 |
| KR100811032B1 (ko) * | 2006-10-17 | 2008-03-06 | 삼성전기주식회사 | 모노리틱 조명장치 |
| KR100903028B1 (ko) | 2007-01-15 | 2009-06-18 | 제일모직주식회사 | 쐐기형 배면프리즘을 포함하는 액정표시장치 백라이트 유닛용 도광판 |
| JPWO2008126495A1 (ja) * | 2007-03-30 | 2010-07-22 | コニカミノルタオプト株式会社 | 光源ユニット |
| US8414162B2 (en) * | 2007-04-12 | 2013-04-09 | Koninklijke Philips Electronics N.V. | Light guide and light-output device |
| KR101407292B1 (ko) * | 2007-06-08 | 2014-06-16 | 엘지디스플레이 주식회사 | 백라이트 유닛 |
| US8646961B2 (en) | 2008-08-26 | 2014-02-11 | Dingguo Pan | Reflective plate, planar lamp and planar lamp fixture including the same |
| TWI421590B (zh) * | 2010-09-17 | 2014-01-01 | Au Optronics Corp | 可切換視角的顯示器及其背光模組 |
| US10145606B2 (en) | 2011-04-26 | 2018-12-04 | Seoul Semiconductor Co., Ltd. | Product lighting refrigeration door |
| US9688190B1 (en) * | 2016-03-15 | 2017-06-27 | Ford Global Technologies, Llc | License plate illumination system |
| EP4073562A4 (en) * | 2019-12-09 | 2024-08-14 | EGALON, Claudio Oliveira | Systems and methods of side illumination of waveguides |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5359691A (en) | 1992-10-08 | 1994-10-25 | Briteview Technologies | Backlighting system with a multi-reflection light injection system and using microprisms |
| US5390276A (en) | 1992-10-08 | 1995-02-14 | Briteview Technologies | Backlighting assembly utilizing microprisms and especially suitable for use with a liquid crystal display |
| US5428468A (en) * | 1993-11-05 | 1995-06-27 | Alliedsignal Inc. | Illumination system employing an array of microprisms |
| US5982540A (en) * | 1994-03-16 | 1999-11-09 | Enplas Corporation | Surface light source device with polarization function |
| US5671994A (en) * | 1994-06-08 | 1997-09-30 | Clio Technologies, Inc. | Flat and transparent front-lighting system using microprisms |
| JP3653308B2 (ja) * | 1995-08-01 | 2005-05-25 | 日東樹脂工業株式会社 | 面光源装置及び液晶ディスプレイ |
| CN1143160C (zh) * | 1996-09-23 | 2004-03-24 | 皇家菲利浦电子有限公司 | 用于平板图像显示设备的照明系统 |
| EP0879991A3 (en) * | 1997-05-13 | 1999-04-21 | Matsushita Electric Industrial Co., Ltd. | Illuminating system |
| US6036340A (en) * | 1998-03-03 | 2000-03-14 | Ford Global Technologies, Inc. | Dimpled manifold optical element for a vehicle lighting system |
| JP3625642B2 (ja) * | 1998-03-26 | 2005-03-02 | アルプス電気株式会社 | 液晶表示装置 |
| US6185357B1 (en) * | 1998-09-10 | 2001-02-06 | Honeywell International Inc. | Illumination system using edge-illuminated hollow waveguide and lenticular optical structures |
| US6106128A (en) * | 1998-09-11 | 2000-08-22 | Honeywell International Inc. | Illumination system having edge-illuminated waveguide and separate components for extracting and directing light |
-
1998
- 1998-09-25 US US09/160,941 patent/US6305811B1/en not_active Expired - Lifetime
-
1999
- 1999-09-23 KR KR1020017003834A patent/KR100690096B1/ko not_active Expired - Fee Related
- 1999-09-23 WO PCT/US1999/022174 patent/WO2000019145A1/en not_active Ceased
- 1999-09-23 AT AT99949842T patent/ATE269511T1/de not_active IP Right Cessation
- 1999-09-23 DE DE69918143T patent/DE69918143T2/de not_active Expired - Lifetime
- 1999-09-23 CA CA002345345A patent/CA2345345A1/en not_active Abandoned
- 1999-09-23 CN CN99813722A patent/CN1124434C/zh not_active Expired - Fee Related
- 1999-09-23 AU AU62625/99A patent/AU6262599A/en not_active Abandoned
- 1999-09-23 EP EP99949842A patent/EP1115999B1/en not_active Expired - Lifetime
- 1999-09-23 JP JP2000572615A patent/JP2002525838A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000019145A9 (en) | 2000-09-14 |
| KR20010075368A (ko) | 2001-08-09 |
| AU6262599A (en) | 2000-04-17 |
| KR100690096B1 (ko) | 2007-03-08 |
| WO2000019145A1 (en) | 2000-04-06 |
| CN1124434C (zh) | 2003-10-15 |
| EP1115999B1 (en) | 2004-06-16 |
| CN1328629A (zh) | 2001-12-26 |
| ATE269511T1 (de) | 2004-07-15 |
| JP2002525838A (ja) | 2002-08-13 |
| US6305811B1 (en) | 2001-10-23 |
| DE69918143D1 (de) | 2004-07-22 |
| DE69918143T2 (de) | 2005-07-07 |
| EP1115999A1 (en) | 2001-07-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |