Dai Nippon Printing Co., Ltd.

Yoshihide Nakao

Keiji Kashima

Hiroyuki Nishimura

Tomoya Kawashima

Kazuki Yamada

A pattern phase difference film, which is used to display 3D images using a passive system, and provides a method for producing a pattern phase difference film that can be manufactured with high precision, easily and in large quantities. A mask, which has slits that are made narrow compared to the width of a region that is to undergo exposure treatment and are provided for exposure treatment, is manufactured.

Method for producing pattern phase difference film, pattern phase difference film, and image display device

The present invention pertains to a pattern phase difference film, which is used to display 3D images using a passive system, and provides a method for producing a pattern phase difference film that can be manufactured with high precision, easily and in large quantities. In a mask provided for manufacturing an alignment film, slits, which are provided for exposure treatment, are made so as to gradually narrow toward the ends in the longitudinal direction.

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Tokyo, Japan

Yoshihide Nakao