TW200746473A - Light emitting device having improved light extraction efficiency and method of making same - Google Patents
Light emitting device having improved light extraction efficiency and method of making sameInfo
- Publication number
- TW200746473A TW200746473A TW096112979A TW96112979A TW200746473A TW 200746473 A TW200746473 A TW 200746473A TW 096112979 A TW096112979 A TW 096112979A TW 96112979 A TW96112979 A TW 96112979A TW 200746473 A TW200746473 A TW 200746473A
- Authority
- TW
- Taiwan
- Prior art keywords
- emitting device
- light emitting
- extraction efficiency
- making same
- light extraction
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000605 extraction Methods 0.000 title 1
- 239000008393 encapsulating agent Substances 0.000 abstract 4
- 230000003287 optical effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
- H01L33/22—Roughened surfaces, e.g. at the interface between epitaxial layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/508—Wavelength conversion elements having a non-uniform spatial arrangement or non-uniform concentration, e.g. patterned wavelength conversion layer, wavelength conversion layer with a concentration gradient of the wavelength conversion material
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Device Packages (AREA)
- Led Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79522006P | 2006-04-26 | 2006-04-26 | |
US11/724,399 US7521727B2 (en) | 2006-04-26 | 2007-03-15 | Light emitting device having improved light extraction efficiency and method of making same |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200746473A true TW200746473A (en) | 2007-12-16 |
TWI342626B TWI342626B (en) | 2011-05-21 |
Family
ID=38276316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096112979A TWI342626B (en) | 2006-04-26 | 2007-04-13 | Light emitting device having improved light extraction efficiency and method of making same |
Country Status (6)
Country | Link |
---|---|
US (1) | US7521727B2 (zh) |
EP (1) | EP1879238B1 (zh) |
JP (1) | JP4912203B2 (zh) |
KR (1) | KR100890724B1 (zh) |
CN (1) | CN101064356B (zh) |
TW (1) | TWI342626B (zh) |
Cited By (2)
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US8242526B2 (en) | 2008-08-29 | 2012-08-14 | Epistar Corporation | Light-emitting semiconductor device and package thereof |
TWI643359B (zh) * | 2017-06-06 | 2018-12-01 | 鴻海精密工業股份有限公司 | 發光二極體 |
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US7955531B1 (en) * | 2006-04-26 | 2011-06-07 | Rohm And Haas Electronic Materials Llc | Patterned light extraction sheet and method of making same |
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JP4984824B2 (ja) * | 2006-10-26 | 2012-07-25 | 豊田合成株式会社 | 発光装置 |
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US8179034B2 (en) | 2007-07-13 | 2012-05-15 | 3M Innovative Properties Company | Light extraction film for organic light emitting diode display and lighting devices |
JP5283926B2 (ja) * | 2008-02-25 | 2013-09-04 | 株式会社東芝 | 光透過型金属電極およびその製造方法 |
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-
2007
- 2007-03-15 US US11/724,399 patent/US7521727B2/en active Active
- 2007-04-12 JP JP2007104660A patent/JP4912203B2/ja active Active
- 2007-04-12 CN CN2007100971405A patent/CN101064356B/zh active Active
- 2007-04-13 TW TW096112979A patent/TWI342626B/zh active
- 2007-04-24 EP EP07251716A patent/EP1879238B1/en active Active
- 2007-04-25 KR KR1020070040276A patent/KR100890724B1/ko active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8242526B2 (en) | 2008-08-29 | 2012-08-14 | Epistar Corporation | Light-emitting semiconductor device and package thereof |
US8395175B2 (en) | 2008-08-29 | 2013-03-12 | Epistar Corporation | Light-emitting semiconductor device and package thereof |
TWI478370B (zh) * | 2008-08-29 | 2015-03-21 | Epistar Corp | 一具有波長轉換結構之半導體發光裝置及其封裝結構 |
TWI643359B (zh) * | 2017-06-06 | 2018-12-01 | 鴻海精密工業股份有限公司 | 發光二極體 |
Also Published As
Publication number | Publication date |
---|---|
CN101064356A (zh) | 2007-10-31 |
EP1879238A1 (en) | 2008-01-16 |
JP4912203B2 (ja) | 2012-04-11 |
TWI342626B (en) | 2011-05-21 |
JP2007294956A (ja) | 2007-11-08 |
EP1879238B1 (en) | 2012-02-01 |
CN101064356B (zh) | 2010-05-26 |
KR100890724B1 (ko) | 2009-03-26 |
US20070284601A1 (en) | 2007-12-13 |
KR20070105878A (ko) | 2007-10-31 |
US7521727B2 (en) | 2009-04-21 |
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