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:
Apr. 15, 2014
Filed:
Jan. 26, 2012
Chih-hui Alston Liu, Kaohsiung, TW;
Tsung-pao Yeh, Kaohsiung, TW;
Chang Yi-cheng, Tainan, TW;
Liao Chuen-min, Taichung, TW;
Chih-Hui Alston Liu, Kaohsiung, TW;
Tsung-Pao Yeh, Kaohsiung, TW;
Chang Yi-Cheng, Tainan, TW;
Liao Chuen-Min, Taichung, TW;
Epistar Corporation, Hsinchu, TW;
Abstract
A method for manufacturing a light-emitting device includes steps of: providing a light-emitting wafer including an upper surface and a lower surface opposite to the upper surface; setting a plurality of scribing streets on the upper surface of the light-emitting wafer; irradiating a laser beam to form a plurality of cutting regions along the scribing streets, wherein each of the plurality of cutting regions has a sharp end, or the plurality of cutting regions forms a specific pattern in a cross-sectional view; and forming a plurality of light-emitting devices by connecting the plurality of cutting regions and extending the plurality of cutting regions from the respective sharp ends thereof to the lower surface of the light-emitting wafer.