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. 02, 2010
Filed:
Jul. 30, 2007
Ta-cheng Hsu, Hsinchu, TW;
Ya-lan Yang, Hsinchu, TW;
Ying-yong Su, Hsinchu, TW;
Ching-shian Yeh, Hsinchu, TW;
Chao-shun Huang, Hsinchu, TW;
Ya-ju Lee, Hsinchu, TW;
Ta-Cheng Hsu, Hsinchu, TW;
Ya-Lan Yang, Hsinchu, TW;
Ying-Yong Su, Hsinchu, TW;
Ching-Shian Yeh, Hsinchu, TW;
Chao-Shun Huang, Hsinchu, TW;
Ya-Ju Lee, Hsinchu, TW;
Epistar Corporation, Hsinchu, TW;
Abstract
This disclosure provides a light-emitting device including a patterned substrate and the manufacturing method thereof. The patterned substrate has a plurality of depressions and/or extrusions for scattering light emitted from a light-emitting layer. Each of the plurality of depressions and/or extrusions comprises a top portion, a bottom portion, and a sidewall portion enclosing the top portion and the bottom portion, and at least part of the sidewall portion comprises a curve. In a preferred embodiment, the light-emitting device further comprises a rough surface formed on at least one of the top portion, the bottom portion, and the sidewall portion.