Method for manufacturing high efficiency light-emitting diodes

Method for manufacturing high efficiency light-emitting diodes

2014/1/7  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 of manufacturing a light-emitting device comprising the steps of cutting a substrate by a laser beam to form a cavity in the substrate and generate a by-product directly on the substrate by the cutting, and removing the by-product by a chemical solution containing an acid under a predetermined cleaning temperature.

• Link:

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

• PATENT/NUMBER

     Utility/8,623,682

• download:

patent pdf: https://drive.google.com/file/d/0B-Jg2ZDReoWuTld5dzgxRGN2MWM/view?usp=sharing