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:
Nov. 12, 2013
Filed:
Sep. 09, 2009
Kazuo Shimokawa, Yokohama, JP;
Takashi Koyanagawa, Yokohama, JP;
Takeshi Miyagi, Fujisawa, JP;
Akihiko Happoya, Kamakura, JP;
Kazuhito Higuchi, Yokohama, JP;
Tomoyuki Kitani, Fujisawa, JP;
Kazuo Shimokawa, Yokohama, JP;
Takashi Koyanagawa, Yokohama, JP;
Takeshi Miyagi, Fujisawa, JP;
Akihiko Happoya, Kamakura, JP;
Kazuhito Higuchi, Yokohama, JP;
Tomoyuki Kitani, Fujisawa, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
Provided is an optical semiconductor device includes: a light-emitting layer having a first main surface, a second main surface opposed to the first main surface, a first electrode and a second electrode which are formed on the second main surface; a fluorescent layer provided on the first main surface; a light-transmissive layer provided on the fluorescent layer and made of a light-transmissive inorganic material; a first metal post provided on the first electrode; a second metal post provided on the second electrode; a sealing layer provided on the second main surface so as to seal in the first and second metal posts with one ends of the respective first and second metal posts exposed; a first metal layer provided on the exposed end of the first metal post; and a second metal layer provided on the exposed end of the second metal post.