Title:
LIQUID CRYSTAL DISPLAY DEVICE AND DICHROIC DYE
Document Type and Number:
Japanese Patent JP3437757
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a guest-host type liquid crystal display element which can display with high contrast, and to provide a dichroic dye which has excellent chemical stability when dissolved in a liquid crystal material to give high display contrast and which gives little influences on the physical properties of the liquid crystal material.
SOLUTION: This liquid crystal display element 1 consists of a pair of substrates 2, 3 disposed facing each other and having an electrode on each counter face, and a liquid crystal layer 8 which is held between the pair of substrates 2, 3 and contains a liquid crystal compd. and a dichroic dye having a skeleton of either fluorene or fluorenon.
Inventors:
Hironori Iwanaga
Katsuyuki Naito
Kouki Takagashira
Katsuyuki Naito
Kouki Takagashira
Application Number:
JP6829998A
Publication Date:
August 18, 2003
Filing Date:
March 18, 1998
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
G09F9/35; C09K19/60; G02F1/137; G02F1/141; (IPC1-7): G02F1/137; C09K19/60; G09F9/35
Domestic Patent References:
JP57119975A | ||||
JP713135A | ||||
JP5125055A |
Attorney, Agent or Firm:
Takehiko Suzue (6 outside)
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