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:
Oct. 13, 2015
Filed:
Oct. 01, 2012
Koninklijke Philips N.v., Eindhoven, NL;
Yiwen Rong, San Maeo, CA (US);
James Gordon Neff, Felton, CA (US);
Tak Seng Thang, Bukit Mertajam, MY;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
A method according to embodiments of the invention includes roughening (FIG.) a surface () of a semiconductor structure (-, FIG.). The semiconductor structure includes a light emitting layer (). The surface () is a surface from which light is extracted from the semiconductor structure. After roughening, the roughened surface is treated (FIG.) to increase total internal reflection, or absorption at the surface, or to reduce an amount of light extracted from the semiconductor structure through the surface ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile