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. 16, 2013
Filed:
Jan. 17, 2012
Junko Iwanaga, Osaka, JP;
Toshiya Yokogawa, Nara, JP;
Atsushi Yamada, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A light-emitting diode element includes: an n-type conductive layerbeing made of a gallium nitride-based compound, a principal surface being an m-plane; a semiconductor multilayer structureprovided on a first regionof the principal surface of the n-type conductive layer, the semiconductor multilayer structureincluding a p-type conductive layerand an active layer; a p-electrodeprovided on the p-type conductive layer; a conductor portionprovided on a second regionof the principal surface of the n-type conductive layer, the conductor portionbeing in contact with an inner wall of a through hole; and an n-type front surface electrodeprovided on the second regionof the principal surface of the n-type conductive layer, the n-type front surface electrodebeing in contact with the conductor portion