Dai Nippon Printing Co., Ltd.

Naoki Shimada

Tadafumi Shindo

Yoshinori Kinase

Tisato Kajiyama

Shin Miyanowaki

Hiroyuki Naganuma

Wataru Saito

Atsushi Baba

Hidetoshi Ozawa

Yasuhiro Imamura

Yoshitaka Goto

Norihiro Kaiya

There is provided an optical recording medium provided with at least an optical recording layer, further comprising a cured layer provided on/over outer surface of the optical recording layer and a receiving layer provided on at least a part of the cured layer. It is possible to provide an optical recording medium which allows post-processing such as printing on the cured layer which has been very difficult to be carried out so far, without degrading the reliability of the information of the optical recording medium.

Optical recording medium

Ticket and ticket rewriting apparatus

There is disclosed an information displaying medium having a base member and a writable displaying unit disposed thereon. The writable displaying unit has a reversible displaying element including a polymer/liquid crystal composite film. A processing means including a control means and an information recording unit is buried in the base member and functions as a semiconductor device. A communication means is buried in the base member for exchanging signals with an external apparatus.

Polymer dispersed liquid crystal (PDLC) film using heat or an electric

A record display medium is provided which can offer a high display contrast and is less likely to cause a lowering of contrast or disappearance of display even in low temperature and high temperature regions. A polymeric material for a liquid crystal/polymer composite film comprising a liquid crystal present in a polymer matrix, a liquid crystal/polymer composite film using the material, and use of the record display medium are also provided. The polymeric material for a liquid crystal/polymer composite film comprising a liquid crystal present in a polymer matrix has a glass transition temperature of 150.degree. C. or above and is insoluble in water.

Polymeric material for liquid crystal/polymer composite film, record

Method of orienting liquid crystal of liquid crystal display medium and

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Tokyo-To, Japan

Naoki Shimada