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:
Feb. 06, 2018
Filed:
Jan. 20, 2015
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Takahiro Ohno, Kanagawa, JP;
Rikio Inoue, Kanagawa, JP;
Assignee:
FUJIFILM CORPORATION, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/13363 (2006.01); G02F 1/1343 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133602 (2013.01); G02F 1/13363 (2013.01); G02F 1/13439 (2013.01); G02F 1/133528 (2013.01); G02F 1/133606 (2013.01); G02F 1/133634 (2013.01); G02F 2001/133607 (2013.01); G02F 2202/40 (2013.01); G02F 2413/02 (2013.01); G02F 2413/15 (2013.01);
Abstract
Provided is a liquid crystal display device in which the contrast is improved. The liquid crystal display device includes a first polarizing film, a second polarizing film, a twisted alignment mode liquid crystal and a backlight unit with a light-collecting prism sheet which is disposed on the back side of the liquid crystal cell, the first retardation film and the second retardation film each satisfy Formulae (I) and (II):1 nm≦Re(550)≦50 nm  (I)120 nm≦Rth(550)≦220 nm  (II);the liquid crystal cell has a depolarizing index (DI value) of 0.000800 or less.