US4615919A
Expired / Lapsed
US
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Liquid crystal device
Assignee: Canon Inc
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Filing: 1985-10-07
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Granted: 1986-10-07
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Expires: 2005-10-07
Abstract
Abstract A liquid crystal device, comprising a pair of base plates and a liquid crystal disposed between the base plates. At least one of the pair of base plates has a coating film formed from a coating solution containing a nylon, an epoxy resin and at least one member selected from the group consisting of organic tantalum compounds and organic indium compounds.
Inventors
- 👤 Hiroshi Inoue
- 👤 Keiko Nakohsai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:04
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1337; G02F1/133711; C; C09; C09K; C09K2323/00; C09K2323/05; C09K2323/055; G02F1/133305
Claims Analysis
Total Claims: 47
Claim 1
Independent Claim
61 words
A liquid crystal device, comprising: a pair of base plates and a liquid crystal disposed between the base plates, at least one of said pair of base plates having a coating film formed from a coating solution containing a nylon, an epoxy resin and at least one member selected from the group consisting of organic tantalum compounds and organic indium compounds.
Claim 2
Dependent Claim
61 words
A liquid crystal device, comprising: a pair of base plates and a liquid crystal disposed between the base plates, at least one of said pair of base plates having a coating film formed from a coating solution containing a nylon, an epoxy resin and at least one member selected from the group consisting of organic tantalum compounds and organic indium compounds.
Claim 3
Dependent Claim
29 words
A liquid crystal device according to claim 1, wherein said organic tantalum compounds are represented by the formula Ta--OR 1 ) 5 wherein R 1 represents an alkyl group.
Claim 4
Dependent Claim
14 words
A liquid crystal device according to claim 2, wherein said alkyl group is ethyl.
Claim 5
Dependent Claim
28 words
A liquid crystal device according to claim 1, wherein said indium compounds are represented by the formula In--OR 2 ) 3 wherein R 2 represents an alkyl group.
Claim 6
Dependent Claim
14 words
A liquid crystal device according to claim 4, wherein said alkyl group is isopropyl.
Claim 7
Dependent Claim
16 words
A liquid crystal device according to claim 1, wherein said organic indium compound is indium acetylacetonate.
Claim 8
Dependent Claim
40 words
A liquid crystal device according to claim 1, wherein said coating solution contains two kinds of organic indium compounds of indium acetylacetonate and a compound represented by the formula In--OR 2 ) 3 wherein R 2 represents an alkyl group.
Claim 9
Dependent Claim
15 words
A liquid crystal device according to claim 1, wherein said nylon is a nylon copolymer.
Claim 10
Dependent Claim
16 words
A liquid crystal device according to claim 1, wherein said nylon is an alcohol soluble nylon.
Claim 11
Dependent Claim
18 words
A liquid crystal device according to claim 1, wherein said nylon is 12-nylon or a copolymer of 12-nylon.
Claim 12
Dependent Claim
29 words
A liquid crystal device according to claim 8, wherein said nylon copolymer is at least one copolymer selected from the group consisting of 6/6,6-nylon, 11-nylon, 6/6,6/11-nylon, 6,6/11-nylon and 6/6,6/12-nylon.
Claim 13
Dependent Claim
21 words
A liquid crystal device according to claim 1, wherein said nylon has a melting point peak at 80° to 130° C.
Claim 14
Dependent Claim
52 words
A liquid crystal device according to claim 1, wherein said epoxy resin is an epoxy resin selected from the group consisting of glycidyl ether type epoxy resins, glycidyl ester type epoxy resins, bisphenol type epoxy resins, glycidyl amine type epoxy resins, cyclic aliphatic type epoxy resins and linear aliphatic type epoxy resins.
Claim 15
Dependent Claim
20 words
A liquid crystal device according to claim 13, wherein said bisphenol type epoxy resin is a bisphenol type epoxy resin.
Claim 16
Dependent Claim
32 words
A liquid crystal device according to claim 14, wherein said bisphenol type epoxy resin is a bisphenol A type epoxy resin represented by the formula: ##STR2## wherein n is 0 to 4.
Claim 17
Dependent Claim
41 words
A liquid crystal device according to claim 1, wherein said coating film is arranged adjacent to the liquid crystal layer and the plane of said coating film has a uniaxial orientation axis for aligning the liquid crystal molecules in one direction.
Claim 18
Dependent Claim
18 words
A liquid crystal device according to claim 16, wherein said uniaxial orientation axis is formed by rubbing treatment.
Claim 19
Dependent Claim
22 words
A liquid crystal device according to claim 1, wherein at least one of said pair of base plates is a plastic film.
Claim 20
Dependent Claim
30 words
A liquid crystal device according to claim 18, wherein said plastic film is a film of polyester, polyethersulfone, polysulfone, polycarbonate, cellulose acetate, diene type rubber, acrylic resin or urethane resin.
Claim 21
Dependent Claim
16 words
A liquid crystal device according to claim 19, wherein said polyester is polyethyleneterephthalate, polypropyleneterephthalate or polybutyleneterephthalate.
Claim 22
Dependent Claim
70 words
A liquid crystal device, comprising: a pair of base plates and a liquid crystal disposed between the base plates, at least one of said pair of base plates having a coating film formed from a coating solution containing an organic tantalum compound, said coating film being disposed adjacent to the liquid crystal and having a surface with a uniaxial orientation axis for aligning the liquid crystal molecules in one direction.
Claim 23
Dependent Claim
70 words
A liquid crystal device, comprising: a pair of base plates and a liquid crystal disposed between the base plates, at least one of said pair of base plates having a coating film formed from a coating solution containing an organic tantalum compound, said coating film being disposed adjacent to the liquid crystal and having a surface with a uniaxial orientation axis for aligning the liquid crystal molecules in one direction.
Claim 24
Dependent Claim
29 words
A liquid crystal device according to claim 21, wherein said organic tantalum compound is represented by the formula Ta--OR 1 ) 5 wherein R 1 represents an alkyl group.
Claim 25
Dependent Claim
14 words
A liquid crystal device according to claim 22, wherein said alkyl group is ethyl.
Claim 26
Dependent Claim
20 words
A liquid crystal device according to claim 23, wherein said uniaxial orientation axis is an axis formed by rubbing treatment.
Claim 27
Dependent Claim
30 words
A liquid crystal device according to claim 21, wherein said plastic film is a film of polyester, polyethersulfone, polysulfone, polycarbonate, cellulose acetate, diene type rubber, acrylic resin or urethane resin.
Claim 28
Dependent Claim
16 words
A liquid crystal device according to claim 25, wherein said polyester is polyethyleneterephthalate, polypropyleneterephthalate or polybutyleneterephthalate.
Claim 29
Dependent Claim
109 words
A liquid crystal device, comprising: a pair of base plates and a liquid crystal disposed between the base plates, at least one of said pair of base plates having a coupling agent layer comprising at least one compound selected from the groups consisting of organic tantalum compounds and organic indium compounds, and a coating film disposed by the medium of the coupling agent layer and formed from a coating solution containing a coating solution containing a nylon and an epoxy resin, said coating film being disposed adjacent to the liquid crystal and having a surface with a uniaxial orientation axis for aligning the liquid crystal molecules in one direction.
Claim 30
Dependent Claim
109 words
A liquid crystal device, comprising: a pair of base plates and a liquid crystal disposed between the base plates, at least one of said pair of base plates having a coupling agent layer comprising at least one compound selected from the groups consisting of organic tantalum compounds and organic indium compounds, and a coating film disposed by the medium of the coupling agent layer and formed from a coating solution containing a coating solution containing a nylon and an epoxy resin, said coating film being disposed adjacent to the liquid crystal and having a surface with a uniaxial orientation axis for aligning the liquid crystal molecules in one direction.
Claim 31
Dependent Claim
29 words
A liquid crystal device according to claim 27, wherein said organic tangalum compounds are represented by the formula Ta--OR 1 ) 5 wherein R 1 represents an alkyl group.
Claim 32
Dependent Claim
14 words
A liquid crystal device according to claim 28, wherein said alkyl group is ethyl.
Claim 33
Dependent Claim
28 words
A liquid crystal device according to claim 27, wherein said indium compounds are represented by the formula In--OR 2 ) 3 wherein R 2 represents an alkyl group.
Claim 34
Dependent Claim
14 words
A liquid crystal device according to claim 30, wherein said alkyl group is isopropyl.
Claim 35
Dependent Claim
16 words
A liquid crystal device according to claim 27, wherein said organic indium compound is indium acetylacetonate.
Claim 36
Dependent Claim
16 words
A liquid crystal device according to claim 27, wherein said nylon is an alcohol soluble nylon.
Claim 37
Dependent Claim
18 words
A liquid crystal device according to claim 27, wherein said nylon is 12-nylon or a copolymer of 12-nylon.
Claim 38
Dependent Claim
15 words
A liquid crystal device according to claim 27, wherein said nylon is a nylon copolymer.
Claim 39
Dependent Claim
29 words
A liquid crystal device according to claim 35, wherein said nylon copolymer is at least one copolymer selected from the group consisting of 6/6,6-nylon, 11-nylon, 6/6,6/11-nylon, 6,6/11-nylon and 6/6,6/12-nylon.
Claim 40
Dependent Claim
21 words
A liquid crystal device according to claim 27, wherein said nylon has a melting point peak at 80° to 130° C.
Claim 41
Dependent Claim
52 words
A liquid crystal device according to claim 27, wherein said epoxy resin is an epoxy resin selected from the group consisting of glycidyl ether type epoxy resins, glycidyl ester type epoxy resins, bisphenol type epoxy resins, glycidyl amine type epoxy resins, cyclic aliphatic type epoxy resins and linear aliphatic type epoxy resins.
Claim 42
Dependent Claim
20 words
A liquid crystal device according to claim 38, wherein said bisphenol type epoxy resin is a bisphenol type epoxy resin.
Claim 43
Dependent Claim
32 words
A liquid crystal device according to claim 39, wherein said bisphenol type epoxy resin is a bisphenol A type epoxy resin represented by the formula: ##STR3## wherein n is 0 to 4.
Claim 44
Dependent Claim
18 words
A liquid crystal device according to claim 27, wherein said uniaxial orientation axis is formed by rubbing treatment.
Claim 45
Dependent Claim
22 words
A liquid crystal device according to claim 27, wherein at least one of said pair of base plates is a plastic film.
Claim 46
Dependent Claim
30 words
A liquid crystal device according to claim 42, wherein said plastic film is a film of polyester, polyethersulfone, polysulfone, polycarbonate, cellulose acetate, diene type rubber, acrylic resin or urethane resin.
Claim 47
Dependent Claim
16 words
A liquid crystal device according to claim 43, wherein said polyester is polyethyleneterephthalate, polypropyleneterephthalate or polybutyleneterephthalate.
References Cited (Backward Citations)
US4409268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-10-06 | 1990-04-07 | 1990-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-10-06 | 1994-04-07 | 1994-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-10-06 | 1998-04-07 | 1998-10-07 | $7700.00 | Window Closed / Lapsed |