TW200519485A - Light-guide diffusive and uniform illumination device - Google Patents
Light-guide diffusive and uniform illumination deviceInfo
- Publication number
- TW200519485A TW200519485A TW092135133A TW92135133A TW200519485A TW 200519485 A TW200519485 A TW 200519485A TW 092135133 A TW092135133 A TW 092135133A TW 92135133 A TW92135133 A TW 92135133A TW 200519485 A TW200519485 A TW 200519485A
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- microstructure
- diffusive
- guide
- illumination device
- Prior art date
Links
- 238000005286 illumination Methods 0.000 title abstract 3
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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough 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
- G02B6/0036—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
- G02B6/004—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Facsimile Scanning Arrangements (AREA)
- Liquid Crystal (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW092135133A TWI240829B (en) | 2003-12-12 | 2003-12-12 | Light-guide type diffusive uniform light device |
US10/782,845 US7125141B2 (en) | 2003-12-12 | 2004-02-23 | Apparatus for homogeneously distributing lights |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW092135133A TWI240829B (en) | 2003-12-12 | 2003-12-12 | Light-guide type diffusive uniform light device |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200519485A true TW200519485A (en) | 2005-06-16 |
TWI240829B TWI240829B (en) | 2005-10-01 |
Family
ID=34651828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW092135133A TWI240829B (en) | 2003-12-12 | 2003-12-12 | Light-guide type diffusive uniform light device |
Country Status (2)
Country | Link |
---|---|
US (1) | US7125141B2 (zh) |
TW (1) | TWI240829B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101614368B (zh) * | 2008-06-27 | 2011-11-23 | 鸿富锦精密工业(深圳)有限公司 | 导光元件及具有该导光元件的光源组件 |
US8092067B2 (en) | 2007-03-15 | 2012-01-10 | Au Optronics Corporation | Display panel and a light source used therein |
TWI392925B (zh) * | 2007-10-19 | 2013-04-11 | Lg Display Co Ltd | 背光模組 |
TWI422879B (zh) * | 2008-07-04 | 2014-01-11 | Hon Hai Prec Ind Co Ltd | 導光元件及具有該導光元件之光源組件 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060083020A1 (en) * | 2004-10-15 | 2006-04-20 | Chung-Yung Tai | Diffuser in direct back light module |
TWI248543B (en) * | 2004-11-10 | 2006-02-01 | Coretronic Corp | Bottom-lit backlight module |
KR20060116513A (ko) * | 2005-05-10 | 2006-11-15 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
JP4540061B2 (ja) * | 2005-07-20 | 2010-09-08 | 株式会社エンプラス | 照明装置、面光源装置及び照明ユニット |
US20070091642A1 (en) * | 2005-10-14 | 2007-04-26 | Lg Electronics, Inc. | Light guide plate and backlight unit having the same |
EP1775611A1 (en) * | 2005-10-14 | 2007-04-18 | LG Electronics Inc. | Back light unit with means for improving the light source coupling into the incident surface of a light guiding plate |
US7486854B2 (en) | 2006-01-24 | 2009-02-03 | Uni-Pixel Displays, Inc. | Optical microstructures for light extraction and control |
TWI298095B (en) * | 2006-07-04 | 2008-06-21 | Coretronic Corp | Light emitting device |
FR2905479B1 (fr) * | 2006-08-31 | 2008-10-31 | Saint Gobain | Systeme optique pour dispositif d'eclairage, dispositif d'eclairage et procede de pilotage du dispositif |
JP4981390B2 (ja) * | 2006-09-20 | 2012-07-18 | オスラム・メルコ株式会社 | Ledランプ |
JP2008310259A (ja) * | 2007-06-18 | 2008-12-25 | Sumitomo Chemical Co Ltd | 光路偏向板、面光源装置及び透過型画像表示装置 |
JP2009104073A (ja) * | 2007-10-25 | 2009-05-14 | Sumitomo Chemical Co Ltd | 光制御板、面光源装置及び透過型画像表示装置 |
TWI417581B (zh) * | 2008-07-29 | 2013-12-01 | Eternal Chemical Co Ltd | 具有勻光特性之偏光回收膜 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4111561A (en) * | 1977-01-31 | 1978-09-05 | Polaroid Corporation | Defocused unicell photometer with diffusion zone |
FR2608733B1 (fr) * | 1986-12-23 | 1991-08-09 | Cibie Projecteurs | Feu de signalisation de faible profondeur pour vehicule automobile |
US5381309A (en) * | 1993-09-30 | 1995-01-10 | Honeywell Inc. | Backlit display with enhanced viewing properties |
US6280063B1 (en) * | 1997-05-09 | 2001-08-28 | 3M Innovative Properties Company | Brightness enhancement article |
US6100952A (en) * | 1997-06-04 | 2000-08-08 | Korry Electronics Co. | NVG-compatible AMLCD backlight having a ridged prismatic TIR with an embedded diffuser doped with an IR absorbing dye |
US6292295B1 (en) * | 1997-12-16 | 2001-09-18 | Kuraray Co., Ltd. | Rear projection screen incorporating a prism |
JP4573946B2 (ja) * | 2000-05-16 | 2010-11-04 | 株式会社きもと | 光拡散性シート |
JP4023079B2 (ja) * | 2000-08-31 | 2007-12-19 | 株式会社日立製作所 | 面状照明装置及びこれを備えた表示装置 |
TWI320503B (en) * | 2002-06-03 | 2010-02-11 | Samsung Electronics Co Ltd | Backlight assembly for providing a light in a display device, liquid crystal display panel and liquid crystal display device |
-
2003
- 2003-12-12 TW TW092135133A patent/TWI240829B/zh not_active IP Right Cessation
-
2004
- 2004-02-23 US US10/782,845 patent/US7125141B2/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8092067B2 (en) | 2007-03-15 | 2012-01-10 | Au Optronics Corporation | Display panel and a light source used therein |
US8096696B2 (en) | 2007-03-15 | 2012-01-17 | Au Optronics Corporation | Display panel and a light source used therein |
US8550686B2 (en) | 2007-03-15 | 2013-10-08 | Au Optronics Corporation | Display panel and a light source used therein |
TWI392925B (zh) * | 2007-10-19 | 2013-04-11 | Lg Display Co Ltd | 背光模組 |
CN101614368B (zh) * | 2008-06-27 | 2011-11-23 | 鸿富锦精密工业(深圳)有限公司 | 导光元件及具有该导光元件的光源组件 |
TWI422879B (zh) * | 2008-07-04 | 2014-01-11 | Hon Hai Prec Ind Co Ltd | 導光元件及具有該導光元件之光源組件 |
Also Published As
Publication number | Publication date |
---|---|
US7125141B2 (en) | 2006-10-24 |
US20050128745A1 (en) | 2005-06-16 |
TWI240829B (en) | 2005-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW200519485A (en) | Light-guide diffusive and uniform illumination device | |
TW200519491A (en) | Prism sheet, lighting device, surface emitting apparatus, and liquid crystal display device | |
TW200624939A (en) | Surface light source device | |
TW200624715A (en) | Light guide plate, back light assembly having the same and display apparatus having the same | |
TW200615663A (en) | Light illuminating unit and liquid crystal display device having the same | |
EP1744522A3 (en) | Key pad lighting apparatus for a portable terminal | |
EP2375137A3 (en) | Lighting module and lighting apparatus including the same | |
TW200618009A (en) | Lighted switch device | |
WO2006017595A3 (en) | Elongated led illumination device | |
EP2439565A3 (en) | Unitary light guide plate, light guide plate unit, planar lighting device and liquid crystal display device | |
WO2006131924A3 (en) | Illumination apparatus | |
TWI266126B (en) | Light-emitting apparatus | |
BR0311147A (pt) | Aparelho de iluminação, e, método | |
WO2010009067A3 (en) | Lighting device comprising a light guide and a support | |
EP1688665A4 (en) | SURFACE LIGHT SOURCE DEVICE AND DEVICE USING THIS DEVICE | |
TW200717136A (en) | Light diffusion plate and direct backlight device | |
TW200604641A (en) | Area light source device and display device | |
TW200519484A (en) | Light guiding device for improving utilization of light source | |
TW200515063A (en) | Back light source device and the light guide plate | |
TW200642439A (en) | Linear lighting device and image access device using thereof | |
TW200722860A (en) | Backlight module | |
TW200719070A (en) | Light source device and projector using the same | |
TW200609623A (en) | Illuminating device | |
TW200942743A (en) | Light source apparatus | |
TW200801715A (en) | Back light module |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK4A | Expiration of patent term of an invention patent |