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:
Feb. 04, 2020
Filed:
Feb. 23, 2018
Fuji Xerox Co., Ltd., Tokyo, JP;
Takashi Fujimoto, Kanagawa, JP;
Jiro Minabe, Kanagawa, JP;
Yasuhiro Ogasawara, Kanagawa, JP;
Shigetoshi Nakamura, Kanagawa, JP;
FUJI XEROX CO., LTD., Minato-ku, Tokyo, JP;
Abstract
A light guide device includes a light guide plate that includes a first surface and a second surface facing the first surface in one of which plural light exit portions are provided, that guides light introduced into the light guide plate while reflecting the light between the first surface and the second surface, and that refracts or reflects the guided light so as to cause the light to exit by using the plural light exit portions. The light guide device has an introduction portion that is provided in the light guide plate and that introduces at least part of light incident upon the introduction portion in plural directions in a plane where the light is guided by the light guide plate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile