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:
Jul. 14, 2015
Filed:
Feb. 12, 2010
Kentaro Yano, Hachioji, JP;
Shigeki Oka, Kunitachi, JP;
Ayako Inagaki, Tachikawa, JP;
Yuki Kaneko, Hachioji, JP;
Kentaro Yano, Hachioji, JP;
Shigeki Oka, Kunitachi, JP;
Ayako Inagaki, Tachikawa, JP;
Yuki Kaneko, Hachioji, JP;
KONICA MINOLTA OPTO, INC., Tokyo, JP;
Abstract
A vertical alignment mode liquid crystal display comprising: a liquid crystal cell; a first polarizer; a second polarizer; a first optical film arranged between the first polarizer and the liquid crystal cell; and a second optical film arranged between the liquid crystal cell and the second optical film, wherein the first and the second optical films each are a resin film having an optically biaxial property, the first and the second optical films meet: Formula (1) Ro>Ro; Formula (2) Rth<Rth; Formula (3) DSP<DSP; and Formula (4) DSP<DSP, wherein Roand Rorepresent in-plane retardation values of the first and the second optical films, respectively, Rthand Rthrepresent retardation values in the thickness direction of the first and the second optical films, respectively, and DSP, DSP, DSPand DSPrepresent wavelength dispersion properties of Ro, Ro; Rthand Rth, respectively.