Title:
位相差層付カラーフィルタおよび液晶表示素子
Document Type and Number:
Japanese Patent JP4641162
Kind Code:
B2
Abstract:
The main object of the present invention is to provide a colour filter with a retardation layer, capable of minimizing light leakage even in the case the visual angle is large in the black display state, for a liquid crystal display. The present invention achieves the object by providing a colour filter with a retardation layer comprising a substrate, a colour layer formed on the substrate, being arranged in a plurality of rows having different thicknesses according to each colour, a first retardation layer formed on the colour layer, made of a liquid crystalline polymer, having its optic axis perpendicular to a plane of the substrate so as to function as a C plate, and a second retardation layer the colour layer, wherein the optic axis of the second retardation layer is arranged parallel to the plane of the substrate so as to function as a positive Aplate with positive refractive index anisotropy, and the refractive index anisotropy of the second retardation layer in the visible light range decreases at shorter wavelengths inverse dispersion characteristics.
Inventors:
Tokuhisa Moriya
Application Number:
JP2004260920A
Publication Date:
March 02, 2011
Filing Date:
September 08, 2004
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
G02F1/13363; G02F1/1335
Domestic Patent References:
| JP2004240102A | ||||
| JP2003315550A | ||||
| JP11084369A |
Attorney, Agent or Firm:
Akihiko Yamashita
Kishimoto Tatsuto
Kishimoto Tatsuto