US5599593A
Expired / Lapsed
US
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Liquid crystal display device using main-chain polyester liquid crystal polymer
Assignee: Samsung SDI Co Ltd
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Filing: 1994-12-30
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Granted: 1997-02-04
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Expires: 2014-12-30
Abstract
Abstract A ferroelectric liquid crystal display device is provided including a pair of upper and lower substrates, transparent electrodes formed on each substrate, orientation layers formed on each transparent electrode and rubbed in a prescribed direction, and a ferro-electric liquid crystal injected between said orientation layers, wherein said orientation layer comprises a main-chain polyester liquid crystal polymer having one of the following formulae I and III: ##STR1## wherein m is an integer between 4 and 12, n is an integer between 100 and 200 and f is an integer between 4 and 12.
Inventors
- 👤 Seong-eun Chung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:44
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/672; C09; C09K; C09K19/00; C09K19/04; C09K19/06; C09K19/08; C09K19/10; C09K19/20; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/19; C08G63/193; C09K19/38; C09K19/3804; C09K19/3809; G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1337; G02F1/133711; C09K2323/00; C09K2323/02; G02F1/137; G02F1/139; G02F1/141
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
78 words
A ferroelectric liquid crystal display device comprising a pair of upper and lower substrates, transparent electrodes formed on each substrate, orientation layers formed on each transparent electrode and rubbed in a prescribed direction, and a ferroelectric liquid crystal injected between said orientation layers, wherein said orientation layer comprises a main-chain polyester liquid crystal polymer having the following formula I: ##STR9## wherein m is an integer between 4 and 12 and n is an integer between 100 and 200.
Claim 2
Dependent Claim
78 words
A ferroelectric liquid crystal display device comprising a pair of upper and lower substrates, transparent electrodes formed on each substrate, orientation layers formed on each transparent electrode and rubbed in a prescribed direction, and a ferroelectric liquid crystal injected between said orientation layers, wherein said orientation layer comprises a main-chain polyester liquid crystal polymer having the following formula I: ##STR9## wherein m is an integer between 4 and 12 and n is an integer between 100 and 200.
Claim 3
Dependent Claim
78 words
A ferroelectric liquid crystal display device comprising a pair of upper and lower substrates, transparent electrodes formed on each substrate, orientation layers formed on each transparent electrode and rubbed in a prescribed direction, and a ferroelectric liquid crystal injected between said orientation layers, wherein said orientation layer comprises a main-chain polyester liquid crystal polymer has the following formula III: ##STR10## wherein l is an integer between 4 and 12 and n is an integer between 100 and 200.
Claim 4
Dependent Claim
78 words
A ferroelectric liquid crystal display device comprising a pair of upper and lower substrates, transparent electrodes formed on each substrate, orientation layers formed on each transparent electrode and rubbed in a prescribed direction, and a ferroelectric liquid crystal injected between said orientation layers, wherein said orientation layer comprises a main-chain polyester liquid crystal polymer has the following formula III: ##STR10## wherein l is an integer between 4 and 12 and n is an integer between 100 and 200.
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