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:
Mar. 07, 2023
Filed:
Jul. 29, 2021
Applicant:
Dell Products L.p., Round Rock, TX (US);
Inventors:
Asim Siddiqui, Cedar Park, TX (US);
Jong Seo Lee, Austin, TX (US);
Assignee:
Dell Products L.P., Round Rock, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G09G 3/34 (2006.01); G02F 1/13 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G09G 3/342 (2013.01); G02F 1/1323 (2013.01); G02F 1/133615 (2013.01); G09G 2320/028 (2013.01); G09G 2320/0686 (2013.01);
Abstract
A liquid crystal display (LCD) device includes an LCD panel with a number (N) of pixel elements for displaying an image. A dimming panel includes N dimming elements. The dimming panel has a first mode to apply a uniform dimming to the N dimming elements to provide a privacy function for the LCD device. The dimming panel further has a second mode to a apply a per-element dimming to provide a local dimming function for the LCD device.