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:
Aug. 31, 2021
Filed:
Feb. 05, 2019
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Yuma Sasagawa, Aichi, JP;
Masaki Kontani, Osaka, JP;
Abstract
A display device that includes first and second light sources, a light guide body, and a mask body is provided. The light guide body includes a reflector that has a shape of a first design. The light guide body guides first light emitted by the first light source and reflects the first light by the reflector to display the first design. The mask body includes a light-transmissive portion and a light-blocking portion. The light-transmissive portion has a shape of a second design, and the light-blocking portion is a portion other than the light-transmissive portion. The light-transmissive portion transmits second light emitted by the second light source to display the second design. The first design is displayed at a first display luminance, and the second design is displayed at a second display luminance. The first display luminance and the second display luminance are substantially equalized.