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:
Mar. 12, 2013
Filed:
Jun. 15, 2010
Shunsuke Minato, Anan, JP;
Junya Narita, Yoshinogawa, JP;
Yohei Wakai, Anan, JP;
Yukio Narukawa, Tokushima, JP;
Motokazu Yamada, Tokushima, JP;
Shunsuke Minato, Anan, JP;
Junya Narita, Yoshinogawa, JP;
Yohei Wakai, Anan, JP;
Yukio Narukawa, Tokushima, JP;
Motokazu Yamada, Tokushima, JP;
Nichia Corporation, Anan-shi, JP;
Abstract
A light emitting element having a recess-protrusion structure on a substrate is provided. A semiconductor light emitting elementhas a light emitting structure of a semiconductoron a first main surface of a substrate. The first main surface of the substratehas substrate protrusion portion, the bottom surfaceof each protrusion is wider than the top surfacethereof in a cross-section, or the top surfaceis included in the bottom surfacein a top view of the substrate. The bottom surfacehas an approximately polygonal shape, and the top surfacehas an approximately circular or polygonal shape with more sides than that of the bottom surface