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. 28, 2020
Filed:
Sep. 27, 2016
Casio Computer Co., Ltd., Tokyo, JP;
Hideyuki Kurosaki, Tachikawa, JP;
CASIO COMPUTER CO., LTD., Tokyo, JP;
Abstract
According to an embodiment of the invention, there is provided a light source unit including a solid light emitting device which emits light source light, a diffuse plate which diffuses the light source light, and a light guiding device which diffuses light which exits from the diffuse plate, wherein the diffuse plate has a plurality of arc-shaped diffuse cells arranged along either of a first direction of an exit side surface thereof which lies opposite to an entrance side where the light source light enters and a second direction that intersects the first direction at substantially right angles, and wherein a diffuse angle in the first direction differs from a diffuse angle in the second direction.