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. 20, 2021
Filed:
Jul. 24, 2018
Omron Corporation, Kyoto, JP;
Shohei Hisaki, Ichinomiya, JP;
Junya Fujita, Ichinomiya, JP;
Jun Kishimoto, Ogaki, JP;
Shogo Ikeda, Ichinomiya, JP;
Masanori Mori, Ichinomiya, JP;
Yoshihiko Takagi, Kyoto, JP;
Omron Corporation, Kyoto, JP;
Abstract
A display device includes a light guide platecapable of displaying a plurality of patterns (-to-) and including an incident surface; a plurality of light sources (-to-) disposed opposite to the incident surface and corresponding to the plurality of patterns; a storageconfigured to store a reference table that represents a relationship between a turn-on state number and a combination of light sources to be turned on among the plurality of light sources for each of a plurality of the turn-on state numbers; and a controllerconfigured to specify the combination of light sources to be turned on by referring to the reference table, the combination corresponding to the turn-on state number included in turn-on control information, and control turn-on and turn-off of each light source according to the combination of the light sources. The light guide plateincludes a plurality of prisms arrayed on one of surfaces of the light guide plate along the plurality of patterns, the plurality of prisms reflecting light toward the other surface of the light guide plate, the light being emitted from a light source corresponding to the pattern and being incident on the light guide plate from the incident surface.