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.

Date of Patent:
Dec. 26, 2023

Filed:

Jul. 19, 2022
Applicant:

Sharp Display Technology Corporation, Kameyama, JP;

Inventors:

Takehisa Yoshida, Kameyama, JP;

Fumikazu Shimoshikiryoh, Kameyama, JP;

Shigeyuki Yamada, Kameyama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1362 (2006.01);
U.S. Cl.
CPC ...
G02F 1/136222 (2021.01); G02F 1/136286 (2013.01);
Abstract

A liquid crystal display device includes a display region, and includes a first liquid crystal panel including a color filter layer, an illumination device provided on a back face side of the first liquid crystal panel, and a second liquid crystal panel arranged between the first liquid crystal panel and the illumination device and not including a color filter layer. The second liquid crystal panel includes a first dimming region defined by a plurality of pixels arranged in a matrix including a plurality of rows and a plurality of columns and facing the display region, and a second dimming region that is defined by a plurality of additional pixels each including an unshaded opening region, and is located outside the first dimming region.


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