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:
Jan. 03, 2017
Filed:
May. 31, 2012
Yoshiki Sota, Osaka, JP;
Masayuki Ohta, Osaka, JP;
Kazuo Tamaki, Osaka, JP;
Shinji Yamaguchi, Osaka, JP;
Shin Itoh, Osaka, JP;
Tomoshi Kimura, Osaka, JP;
Masaki Tatsumi, Osaka, JP;
Yoshiki Sota, Osaka, JP;
Masayuki Ohta, Osaka, JP;
Kazuo Tamaki, Osaka, JP;
Shinji Yamaguchi, Osaka, JP;
Shin Itoh, Osaka, JP;
Tomoshi Kimura, Osaka, JP;
Masaki Tatsumi, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
Improves light extraction efficiency. A light emitting deviceusing a white resin molding packageintegrally molded with lead framesconstituting an electrode corresponding to one or a plurality of light emitting elementand white resin, wherein an area in a plane view of a white resin surface on a reflective surface that is level with amounting surface of the light emitting elementis configured to be larger than total area in a plane view occupied by surfaces of the lead framesand the light emitting element. Further, a step section is formed on the surfaces of lead frames, white resin is filled in the step section, and the area of white resin surface on a reflective surface where the light emitting elementis mounted is increased.