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. 10, 2010
Yuta Yoshida, Miyagi, JP;
Sachio Karino, Miyagi, JP;
Takahiro Yokoyama, Miyagi, JP;
Makoto Nakashima, Miyagi, JP;
Eiji Takase, Miyagi, JP;
Yuta Yoshida, Miyagi, JP;
Sachio Karino, Miyagi, JP;
Takahiro Yokoyama, Miyagi, JP;
Makoto Nakashima, Miyagi, JP;
Eiji Takase, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
The present invention provides a semiconductor laser device including: a plurality of light emitting sections arranged in strip shapes in parallel; a plurality of first electrodes arranged along top faces of the light emitting sections, respectively; an insulating film covering a whole surface of the plurality of first electrodes, and including contact apertures corresponding to the first electrodes, respectively; a plurality of second electrodes arranged in positions different from those of the plurality of light emitting sections, correspondingly to the first electrodes; a plurality of wiring layers arranged on the insulating layer, and electrically connecting the second electrodes and the corresponding first electrodes through the contact apertures, respectively; and a plurality of window regions arranged for the light emitting sections in the insulating film so as to expose the first electrodes, respectively, and including at least two window regions having areas different from each other.