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:
Aug. 07, 2018

Filed:

Nov. 26, 2015
Applicant:

Sharp Kabushiki Kaisha, Sakai, Osaka, JP;

Inventors:

Akira Sakai, Sakai, JP;

Hiroyuki Hakoi, Sakai, JP;

Kozo Nakamura, Sakai, JP;

Kiyoshi Minoura, Sakai, JP;

Assignee:

SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/13363 (2006.01); G02F 1/1333 (2006.01); G02F 1/1368 (2006.01); G02F 1/1343 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133536 (2013.01); G02F 1/13363 (2013.01); G02F 1/133514 (2013.01); G02F 1/1368 (2013.01); G02F 1/13439 (2013.01); G02F 1/133345 (2013.01); G02F 1/133512 (2013.01); G02F 1/134309 (2013.01); G02F 2001/133302 (2013.01); G02F 2001/133531 (2013.01); G02F 2001/133541 (2013.01); G02F 2001/133638 (2013.01); G02F 2203/01 (2013.01); G02F 2203/02 (2013.01); G02F 2413/01 (2013.01); G02F 2413/05 (2013.01);
Abstract

The present invention provides a liquid crystal display device having a high transmittance and excellent visibility in a bright place. The liquid crystal display device of the present invention includes, in the given order, a backlight, a first circular polarizer, a liquid crystal panel, and a second circular polarizer. The first circular polarizer is a reflective circular polarizer including a reflective linear polarizer and a λ/4 plate disposed adjacent to the reflective linear polarizer. The liquid crystal display device satisfies (1) the liquid crystal panel is provided with color filters of two or more colors and has an aperture ratio lower than 43%, or (2) the liquid crystal panel is provided with no color filter and has an aperture ratio of 39% or lower.


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