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:
Oct. 23, 2012
Filed:
Jan. 05, 2011
Kensuke Kojima, Kanagawa, JP;
Kensuke Kojima, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A light-emitting device includes: a semiconductor layer including a first conductive contact layer, a first conductive cladding layer, an active layer, a second conductive cladding layer, a second conductive contact layer and a resin block layer in this order; a first electrode in contact with the first conductive contact layer; and a second electrode in contact with the second conductive contact layer. The second conductive contact layer includes a first opening at least in a region facing the first electrode. Moreover, the resin block layer includes a plurality of second openings communicated with the first opening, and the first opening has an air gap.