Toppan Printing Co., Ltd.

Yoshinori Nagasaki

Koichi Minato

Takeshi Itoi

Sosuke Akao

Satoshi Ohkuma

Mitsuhisa Hatashima

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):|()|&#x2212;|()|&#x2267;0&#x2003;&#x2003;(1)|()|&#x2212;|()|&#x2267;0&#x2003;&#x2003;(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.

Growing community of inventors

Tokyo, Japan

Yoshinori Nagasaki