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:
Mar. 23, 2010
Filed:
Sep. 12, 2007
Applicant:
Taizo Tomioka, Yokohama, JP;
Inventor:
Taizo Tomioka, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/227 (2006.01); H01L 29/207 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical semiconductor device includes: a base substrate which has a concave portion; a light-emitting element which is provided in the concave portion, and which emits light; a prevention member which is provided to the base substrate in a manner of covering a side surface of the concave portion, and which prevents the light emitted by the light-emitting element from being incident on the side surface of the concave portion; and a translucent member which is provided in the concave portion, and which seals the light-emitting element.