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:
Nov. 29, 2016

Filed:

Oct. 14, 2014
Applicant:

Japan Display Inc., Minato-ku, JP;

Inventors:

Tomoko Kozuka, Tokyo, JP;

Jin Hirosawa, Tokyo, JP;

Yuuki Morita, Tokyo, JP;

Hiroyuki Kimura, Tokyo, JP;

Kazuya Arima, Tokyo, JP;

Masaaki Kabe, Tokyo, JP;

Yoshihiro Watanabe, Tokyo, JP;

Assignee:

Japan Display Inc., Minato-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G02F 1/1343 (2006.01); G02F 1/1337 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3607 (2013.01); G02F 1/134336 (2013.01); G02F 2001/133742 (2013.01); G09G 2300/0452 (2013.01); G09G 2320/0242 (2013.01);
Abstract

According to one embodiment, a display device includes a first substrate including a first pixel electrode disposed on a first color pixel of red, a second pixel electrode disposed on a second color pixel of green, a third pixel electrode disposed on a third color pixel of blue, and a fourth pixel electrode disposed on a fourth color pixel of white, a second substrate including a common electrode, and a liquid crystal layer held between the first substrate and the second substrate, wherein a top voltage applied to the fourth color pixel to correspond to a maximum gradation value is set to be less than a top voltage applied to each of the first color pixel and the second color pixel to correspond to respective maximum gradation values.


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