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:
Apr. 07, 2020
Filed:
Nov. 20, 2017
Omron Corporation, Kyoto, JP;
Masayuki Shinohara, Kyoto, JP;
Gouo Kurata, Kyoto, JP;
Norikazu Kitamura, Kyoto, JP;
Tsuyoshi Arai, Kyoto, JP;
Yuto Mori, Kyoto, JP;
Omron Corporation, Kyoto, JP;
Abstract
Provided is a display device that prevents generation of stray light and has excellent visibility. In a display device () that makes an image light ray enter from an end face of a light guide plate () and emits the image light ray, reflected or refracted by each of a plurality of emission structures (prisms) provided on the light guide plate, from a light exit surface () of the light guide plate, a light reflection layer or a light absorption layer is formed on at least one optical surface among optical surfaces provided on the emission structure (the prism) except for an optical surface that reflects or refracts the image light ray.