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:
Feb. 18, 2014
Filed:
Jan. 13, 2012
Takao Fujimori, Kyoto, JP;
Yasuo Nakanishi, Kyoto, JP;
Takao Fujimori, Kyoto, JP;
Yasuo Nakanishi, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
A light-emitting element, a light-emitting element unit and a light-emitting element package are provided, which are each reduced in reflection loss and intra-film light absorption by suppressing multiple light reflection in a transparent electrode layer and hence have higher luminance. The light-emitting elementincludes a substrate, an n-type nitride semiconductor layer, a light-emitting layer, a p-type nitride semiconductor layer, a transparent electrode layerand a reflective electrode layer, and the transparent electrode layerhas a thickness T satisfying the following expression (1): wherein λ is the light-emitting wavelength of the light-emitting element, and n is the refractive index of the transparent electrode layer