楕円偏光板 - Sumitomo Chemical Co., Ltd.

Title:

楕円偏光板

Document Type and Number:

Japanese Patent JP6763916

Kind Code:

B2

Abstract:

Provided is an elliptically polarizing plate which has excellent machining properties and is free from the occurrence of defects such as waving at a cut end surface even if the elliptically polarizing plate is cut. An elliptically polarizing plate which comprises a polarizing layer, a λ/4 retardation layer, a vertically aligned liquid crystal cured layer and a reinforcement layer, and which is configured such that: the vertically aligned liquid crystal cured layer is formed of a polymer of a polymerizable liquid crystal composition that contains a polymerizable liquid crystal compound which is in a vertically aligned state with respect to the plane of the liquid crystal cured layer; the vertically aligned liquid crystal cured layer has a film thickness of 3 μm or less; and the interlayer distance between the vertically aligned liquid crystal cured layer and the reinforcement layer is 5 μm or less.

Inventors:

Kasai Tatsumasa
Nobuyuki Hatanaka

Application Number:

JP2018129888A

Publication Date:

September 30, 2020

Filing Date:

July 09, 2018

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