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:
Jul. 26, 2022
Filed:
Dec. 15, 2020
Omron Corporation, Kyoto, JP;
Hiroyuki Onitsuka, Kani, JP;
Takahiro Ono, Ichinomiya, JP;
Tatsuya Adachi, Ichinomiya, JP;
Rei Asai, Ichinomiya, JP;
Takehiro Agata, Ichinomiya, JP;
OMRON CORPORATION, Kyoto, JP;
Abstract
An illumination device according to one or more embodiments may include: a light guide plate unit comprising a front light guide plate and a rear light guide plate arranged in a depth direction at a predetermined interval, and a light projecting unit arranged at a side of the light guide plate unit. The light projecting unit may comprise an LED in an amount of one piece among the front light guide plate and the rear light guide plate; and a moving mechanism configured to cause the light guide plate unit to reciprocate in the depth direction to cause a light incident surface of either one of the front light guide plate and the rear light guide plate to be opposed to the light projecting unit.