Polarizing plate and liquid crystal display employing the same
AssigneeKonica Corporation
InventorsNoriyasu Kuzuhara, Koji Tasaka, Hiroki Umeda, Takatoshi Yajima
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AssigneeKonica Corporation
InventorsNoriyasu Kuzuhara, Koji Tasaka, Hiroki Umeda, Takatoshi Yajima
Estimating the term…
A polarizing plate used in a vertical alignment mode liquid crystal display comprising a liquid crystal cell is disclosed, wherein the polarizing plate comprises a polarizing film and a mixed fatty acid cellulose ester film with optical biaxiality provided between the polarizing film and the liquid crystal cell, and wherein the mixed fatty acid cellulose ester film has a retardation in plane R0 of from 31 to 120 nm, and a retardation in the thickness direction Rt of from 60 to 300 nm, in which R0 is represented by the following formula (1) and Rt is represented by the following formula (2): R0=(nx−ny)×d formula (1) Rt={(nx+ny)/2−nz}×d formula (2)
A polarizing plate used in a vertical alignment mode liquid crystal display comprising a liquid crystal cell, the polarizing plate comprising a polarizing film and a mixed fatty acid cellulose ester film with optical biaxiality provided between the polarizing film and the liquid crystal cell, wherein the mixed fatty acid cellulose ester film has a retardation in plane R0 of from 31 to 120 nm, and a retardation in the thickness direction Rt of from 60 to 300 nm, in which R0 is represented by the following formula (1) and Rt is represented by the following formula (2):
A liquid crystal display comprising a polarizing film A, a polarizing film B, and a vertical alignment mode liquid crystal cell provided between the polarizing films A and B, one or more cellulose ester films A only being provided between the polarizing film A and the liquid crystal cell, and one or more cellulose ester films B only being provided between the polarizing film B and the liquid crystal cell,
A vertical alignment mode liquid crystal display comprising a polarizing plate and a liquid crystal cell, the polarizing plate comprising a polarizing film and a mixed fatty acid cellulose ester film with optical biaxiality provided between the polarizing film and the liquid crystal cell, wherein the mixed fatty acid cellulose ester film has a retardation in plane R0 of from 31 to 120 nm, and a retardation in the thickness direction Rt of from 60 to 300 nm, in which R0 is represented by the following formula (1) and Rt is represented by the following formula (2):
Dependencies are inferred from the claim text.