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:
Jun. 25, 2024

Filed:

Jul. 03, 2023
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Takaya Hirose, Tokyo, JP;

Hirofumi Ohira, Tokyo, JP;

Makoto Ishikawa, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3426 (2013.01); G09G 3/3648 (2013.01); G09G 2300/023 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0276 (2013.01); G09G 2320/0626 (2013.01); G09G 2320/0686 (2013.01);
Abstract

According to an aspect, a display device includes: a display panel having a display area including pixels; a light source device configured to emit light from an emission area overlapping the display area toward the display panel; a dimming panel between the display panel and the light source device and configured to adjust brightness of emission light emitted from the emission area; and a drive circuit configured to drive the dimming panel. The emission area has a first emission area and a second emission area. The drive circuit is configured to, when gradation values of first pixels corresponding to the first emission area are equal to gradation values of second pixels corresponding to the second emission area, make transmittance of a second dimming area corresponding to the second pixels higher than that of a first dimming area corresponding to the first pixels in the dimming area.


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