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:
Jun. 21, 2011
Filed:
Dec. 19, 2007
Sosuke Akao, Tokyo, JP;
Koichi Minato, Tokyo, JP;
Satoshi Ohkuma, Tokyo, JP;
Yoshinori Nagasaki, Tokyo, JP;
Takeshi Itoi, Tokyo, JP;
Mitsuhisa Hatashima, Tokyo, JP;
Sosuke Akao, Tokyo, JP;
Koichi Minato, Tokyo, JP;
Satoshi Ohkuma, Tokyo, JP;
Yoshinori Nagasaki, Tokyo, JP;
Takeshi Itoi, Tokyo, JP;
Mitsuhisa Hatashima, Tokyo, JP;
Toppan Printing Co., Ltd., Tokyo, JP;
Abstract
A color filter comprising a substrate, a red pixel, green pixel and blue pixel, each being disposed on the substrate, wherein a perpendicular optical retardation Rof the red pixel, a perpendicular optical retardation Gof the green pixel, and a perpendicular optical retardation Bof the blue pixel satisfy the following formulas (1) and (2):|()|−|()|≧0  (1)|()|−|()|≧0  (2)wherein R, Gand Brepresent, respectively, a product of a thickness [nm] of a pixel and a value obtained by subtracting a value of thickness-wise refractive index from an average value of an in-plane refractive index of each of these pixels.