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:
May. 30, 2017
Filed:
Sep. 26, 2013
Nichia Corporation, Anan-shi, Tokushima, JP;
Tomohiko Hatano, Tokushima, JP;
NICHIA CORPORATION, Anan-Shi, JP;
Abstract
An object of the present invention is to preventing the propagation of light to improve the display quality of the light emitting device. A light emitting device according to an embodiment has a case, a base member disposed at a front side of the case, a plurality of light emitting elements mounted at the front side of the base member, and a cover covering the light emitting elements. The cover has a light transmissive member integrally covering the plurality of light emitting elements, and a light-blocking member disposed at a front side of the light transmissive member and having openings anterior to the light emitting elements respectively. Further, the light transmissive member has, on its back surface, a back-side rough surface portion in a region different from the region facing the front surfaces of the light emitting elements.