The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 08, 2011
Filed:
Sep. 20, 2008
Wei-kang Cheng, Taoyuan, TW;
Shyi-ming Pan, Taoyuan, TW;
Cheng-kuo Huang, Taoyuan, TW;
Yin-cheng Chu, Taoyuan, TW;
Kuo-chin Huang, Taoyuan, TW;
Wei-Kang Cheng, Taoyuan, TW;
Shyi-Ming Pan, Taoyuan, TW;
Cheng-Kuo Huang, Taoyuan, TW;
Yin-Cheng Chu, Taoyuan, TW;
Kuo-Chin Huang, Taoyuan, TW;
Formosa Epitaxy Incorporation, Taoyuan, TW;
Abstract
The present invention provides a light-emitting device with a reflection layer and the structure of the reflection layer. The reflection layer comprises a variety of dielectric materials. The reflection layer includes a plurality of dielectric layers. The materials of the plurality of dielectric layers have two or more types with two or more thicknesses, except for the combination of two material types and two thicknesses, for forming the reflection layer with a variety of structures. The reflection layer according to the present invention can be applied to light-emitting diodes of various types to form new light-emitting devices. Owing to its excellent reflectivity, the reflection layer can improve light-emitting efficiency of the light-emitting devices.