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.

Date of Patent:
Dec. 15, 2020

Filed:

Apr. 06, 2018
Applicant:

Omron Corporation, Kyoto, JP;

Inventors:

Shogo Ikeda, Kyoto, JP;

Yoshihiko Takagi, Kyoto, JP;

Jun Kishimoto, Kyoto, JP;

Junya Fujita, Kyoto, JP;

Shohei Hisaki, Kyoto, JP;

Masanori Mori, Kyoto, JP;

Assignee:

Omron Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 6/42 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0055 (2013.01); G02B 6/0053 (2013.01); G02B 6/4259 (2013.01);
Abstract

A display device includes a light guiding panelhaving an incoming surfaceformed on one of side surfaces, a plurality of light sources (-to-) respectively corresponding to a plurality of patterns that can be displayed, and a controllerfor controlling on and off of the plurality of light sources. The light guiding panelhas a first reflective surface () formed on the other side surface of the light guiding panelthe first reflective surface reflecting light emitted from a first light source and entering the light guiding panelthrough the incoming surfaceand changing the propagation direction of the light, and a plurality of prismswhich is formed on one surfaceof the light guiding panel, is oriented toward light emitted from a light source corresponding to the pattern, entering the light guiding panelthrough the incoming surfaceand directed to the pattern, and reflects the light so that the light is emitted through the other surfaceof the light guiding panel.


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