TW200742118A - Light emitter with metal-oxide coating - Google Patents
Light emitter with metal-oxide coatingInfo
- Publication number
- TW200742118A TW200742118A TW095115206A TW95115206A TW200742118A TW 200742118 A TW200742118 A TW 200742118A TW 095115206 A TW095115206 A TW 095115206A TW 95115206 A TW95115206 A TW 95115206A TW 200742118 A TW200742118 A TW 200742118A
- Authority
- TW
- Taiwan
- Prior art keywords
- coating
- index
- light
- refraction
- metal
- Prior art date
Links
Abstract
A light emitting device based on an AlIuGaN materials system wherein a coating is used to improve the extraction of light from a device. A coating has a very low optical loss and an index of refraction greater than 2, preferably having an index of refraction close to or greater than the index of refraction of GaN. In a preferred embodiment the coating is made from Ta2O5, Nb2O5, TiO2, or SiC and has a thickness of between 0.01 and 10 microns. A surface of a coating material may be textured or shaped to increase its surface area and improve light extraction. A surface of the coating material can also be shaped to engineer the directionality of light escaping the layer. A coating can be applied directly to a surface or multiple surfaces of a light emitting device or can be applied onto a contact material. A coating may also serve as a passivation or protection layer for a device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW95115206A TWI303495B (en) | 2006-04-28 | 2006-04-28 | Light emitter with metal-oxide coating |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW95115206A TWI303495B (en) | 2006-04-28 | 2006-04-28 | Light emitter with metal-oxide coating |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200742118A true TW200742118A (en) | 2007-11-01 |
TWI303495B TWI303495B (en) | 2008-11-21 |
Family
ID=45070727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW95115206A TWI303495B (en) | 2006-04-28 | 2006-04-28 | Light emitter with metal-oxide coating |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI303495B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI458125B (en) * | 2009-09-18 | 2014-10-21 | Hon Hai Prec Ind Co Ltd | Nitride semiconductor light emitting component |
-
2006
- 2006-04-28 TW TW95115206A patent/TWI303495B/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI458125B (en) * | 2009-09-18 | 2014-10-21 | Hon Hai Prec Ind Co Ltd | Nitride semiconductor light emitting component |
Also Published As
Publication number | Publication date |
---|---|
TWI303495B (en) | 2008-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |