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:
Jun. 17, 2008
Filed:
Oct. 28, 2004
Yoshinobu Suehiro, Aichi-ken, JP;
Naoki Nakajo, Aichi-ken, JP;
Yoshinobu Suehiro, Aichi-ken, JP;
Naoki Nakajo, Aichi-ken, JP;
Toyoda Gosei Co., Ltd., Nishikasugai-gun, Aichi-ken, JP;
Abstract
A light emitting element has: a light emitting layer of semiconductor; and a diffusion layer that has a refractive index equal to or greater than that of the light emitting layer and that diffuses light emitted from the light emitting layer to increase the external radiation efficiency of the light emitting element. The light emitting layer has a refractive index equal to or greater than that of any layers formed between the light emitting layer and the diffusion layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile