Title:
UV RAY CURING COMPOUND, ORIENTED FILM FOR LIQUID CRYSTAL DISPLAY ELEMENT AND LIQUID CRYSTAL DISPLAY ELEMENT
Document Type and Number:
Japanese Patent JP3599815
Kind Code:
B2
Abstract:
PURPOSE: To prevent production of dust or electrostatic charges in the production process, to decrease the production cost and to obtain an oriented film showing an enough pretilt angle in a short time by using a UV-crosslinking compd. of a specified chemical formula.
CONSTITUTION: This UV-crosslinking compd. is expressed by formula. In formula, n is an integer and X is an element selected from F, Cl, Br, I, CN. When X is F, for example, the compd. is called polyvinyl=4-(4-fluorobenzyloxy) cinnamate, and when X is Cl, the compd. is called polyvinyl=4-(4- chlorobenzyloxy) cinnamate. By using this UV-crosslinking compd., it properly reacts with UV ray from a UV radiation source and has high absorption coefft., it shows extremely high photosensitivity. Therefore, the crosslinking reaction is caused in a short time. By using this compd. for an orienting of a liquid crystal display element, enough orientation treatment can be done with irradiation of polarized UV rays in a short time.
Inventors:
Mitsuru Kano
Yoshihiko Ishitaka
Yumiko Sato
▲吉▼井 克昌
Shigeru Sugimori
Takashi Kato
Yoshihiko Ishitaka
Yumiko Sato
▲吉▼井 克昌
Shigeru Sugimori
Takashi Kato
Application Number:
JP5635695A
Publication Date:
December 08, 2004
Filing Date:
March 15, 1995
Export Citation:
Assignee:
ALPS ELECTRIC CO.,LTD.
Chisso Co., Ltd.
Chisso Co., Ltd.
International Classes:
C08F2/48; C08F2/50; C08F18/10; C08F18/20; C08F18/22; G02F1/1337; (IPC1-7): G02F1/1337; C08F18/10
Domestic Patent References:
| JP6287453A | ||||
| JP7056173A |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Shigeo Naruse
Takashi Watanabe
Shigeo Naruse
Previous Patent: ORIENTED FILM FOR LIQUID CRYSTAL DISPLAY ELEMENT, LIQUID CRYSTAL DISPLAY ELEMENT AND PRODUCTION OF O...
Next Patent: ABRASIVE
Next Patent: ABRASIVE