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:
May. 05, 2020
Filed:
Aug. 30, 2016
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Yasuhiro Kumamoto, Osaka, JP;
Takeichi Shinya, Osaka, JP;
Koujirou Higa, Osaka, JP;
Masaaki Ofuji, Osaka, JP;
Taizou Takeuchi, Osaka, JP;
Tadahiro Kugimaru, Osaka, JP;
Abstract
A video display device includes a liquid crystal display panel, and a plurality of light source substrates configured to illuminate the liquid crystal display panel from a rear side of the liquid crystal display panel. Each of the plurality of light source substrates includes a signal input connector that receives a control signal, a plurality of light emitting diodes each of which is provided in correspondence with a corresponding one of areas different from each other in the liquid crystal display panel, a driver element that drives each of the plurality of light emitting diodes in accordance with the control signal such that each of the plurality of light emitting diodes emits light with luminance corresponding to brightness of the corresponding area of an image, and a signal output connector that through-outputs the control signal. The signal output connector of a first light source substrate included in the plurality of light source substrates, and the signal input connector of a second light source substrate included in the plurality of light source substrates are electrically connected.