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. 28, 2015
Filed:
Apr. 16, 2010
Takehiko Okabe, Ichihara, JP;
Kyosuke Masuya, Ichihara, JP;
Takashi Hodota, Ichihara, JP;
Toyoda Gosei Co., Ltd., Aichi, JP;
Abstract
A semiconductor light emitting element () including of a substrate () composed of sapphire; a laminated semiconductor layer () composed of an n-type semiconductor layer (), a light emitting layer () and a p-type semiconductor layer () provided on the substrate (); a first electrode () formed in the p-type semiconductor layer (); and a second electrode () formed in the n-type semiconductor layer (). Further, the first electrode () includes a first conductive layer () composed of an oxide transparent conductive material laminated on the p-type semiconductor layer (); a reflection layer () which contains silver laminated on the first conductive layer (); a second conductive layer () composed of an oxide conductive material laminated on the reflection layer (); and a coating layer () provided so as to cover the first conductive layer (), the reflection layer () and the second conductive layer ().