Method for manufacturing high efficiency light-emitting diodes

Method for manufacturing high efficiency light-emitting diodes

2013/7/16  Chung Chien-Kai, Hsu Ta-Cheng, Hwang Jung-Min, Hsieh Min-Hsun, Yang Ya-Lan, Kuo De-Shan, Ko Tsun-Kai, Shen Chien-Fu, Ko Ting-Chia, Hon Schang-Jing

Abstract A method for manufacturing a light-emitting device comprising the steps of: providing a substrate comprising a first surface and a second surface; forming a plurality of cutting lines on the substrate by a laser beam; cleaning the substrate by a chemical solution; and forming a light-emitting stack on an first surface of the substrate after cleaning the substrate.

• Link:

http://patft.uspto.gov/netahtml/PTO/search-bool.html

• PATENT/NUMBER

     Utility/8,486,742

• download:

patent pdf: https://drive.google.com/file/d/0B-Jg2ZDReoWuWEJ5bE5hcnphY1E/view?usp=sharing