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:
Oct. 27, 2020
Filed:
Apr. 04, 2017
Seiko Epson Corporation, Tokyo, JP;
Chigusa Takagi, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A light source apparatus includes a base substrate made of a metal material, a plurality of light emitting devices provided on a first surface of the base substrate, a frame so provided on the first surface of the base substrate as to surround the plurality of light emitting devices, and a light transmissive member that is provided on a surface of the frame that is opposite the surface thereof on which the base substrate is provided and transmits light emitted from the plurality of light emitting devices, and the frame is so dimensioned that the section modulus corresponding to the cross-sectional shape of the frame is greater than or equal to 0.5 mmbut smaller than or equal to 7.0 mm.