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:
Jan. 27, 2026
Filed:
Sep. 12, 2024
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Atsushi Fukui, Osaka, JP;
Yosuke Araki, Osaka, JP;
Wahei Agemizu, Osaka, JP;
Takashi Matsuda, Hyogo, JP;
Kazumasa Takata, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 13/322 (2018.01); H04N 13/398 (2018.01);
U.S. Cl.
CPC ...
H04N 13/322 (2018.05); H04N 13/398 (2018.05);
Abstract
A display device according to a present exemplary embodiment includes: a varifocal lens having a variable focal length; a display disposed facing the varifocal lens; and a controller configured to control the focal length of the varifocal lens, and to cause the display to display an image. The controller is configured to shorten the focal length of the varifocal lens when a distant image is to be displayed on display, and to extend the focal length f of varifocal lens when a nearby image is to be displayed on the display.