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:
Dec. 31, 2013
Filed:
Jun. 09, 2010
Makoto Nakashima, Miyagi, JP;
Takahiro Yokoyama, Miyagi, JP;
Sachio Karino, Miyagi, JP;
Eiji Takase, Miyagi, JP;
Yuta Yoshida, Miyagi, JP;
Makoto Nakashima, Miyagi, JP;
Takahiro Yokoyama, Miyagi, JP;
Sachio Karino, Miyagi, JP;
Eiji Takase, Miyagi, JP;
Yuta Yoshida, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
A laser diode includes: a plurality of strip-shaped laser structures arranged in parallel with each other, and including a lower cladding layer, an active layer, and an upper cladding layer in this order; a plurality of strip-shaped upper electrodes singly formed on a top face of the respective laser structures, and being electrically connected to the upper cladding layer; a plurality of wiring layers being at least singly and electrically connected to one of the respective upper electrodes; and a plurality of pad electrodes formed in a region different from that of the plurality of laser structures, and being electrically connected to one of the respective upper electrodes with the wiring layer in between. The respective wiring layers have an end in a region different from a region where the respective wiring layers are contacted with the upper electrode.