US4409268A
Expired / Lapsed
US
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Liquid crystal display panels and process for their production
Assignee: Ricoh Co Ltd
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Filing: 1980-03-17
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Granted: 1983-10-11
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Expires: 2000-03-17
Abstract
Abstract PCT No. PCT/JP80/00045 Sec. 371 Date Nov. 5, 1980 Sec. 102(e) Date Nov. 5, 1980 PCT Filed Mar. 17, 1980 PCT Pub. No. WO80/02079 PCT Pub. Date Oct. 2, 1980.In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the liquid crystal display panel having an orientation treated film mainly of a saturated polyester or a low melting point copolymerized nylon, and a process for its production. This invention enables the use of a transparent plastic film as a substrate for a liquid crystal display panel, thereby permitting inexpensive mass production of high quality liquid crystal display panels.
Inventors
- 👤 Hiroshi Inoue
- 👤 Nobuo Tooyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:23
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/133305; G02F1/1337; G02F1/133711; C; C09; C09K; C09K2323/00; C09K2323/06
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
83 words
In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the improvement of a liquid crystal display panel which is characterized by an orientation treated film on said substrate which is formed from a reaction product of a saturated polyester and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an acid anhydride and a melamine resin.
Claim 2
Dependent Claim
83 words
In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the improvement of a liquid crystal display panel which is characterized by an orientation treated film on said substrate which is formed from a reaction product of a saturated polyester and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an acid anhydride and a melamine resin.
Claim 3
Dependent Claim
30 words
The liquid crystal display panel of claim 1, wherein the orientation treated film is formed of a reaction product of a saturated polyester, an isocyanate compound and a titanium compound.
Claim 4
Dependent Claim
59 words
In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the improvement of a liquid crystal display panel which is characterized by an orientation treated film on said substrate which is formed from a mixture of a saturated polyester and a low melting point copolymerized nylon.
Claim 5
Dependent Claim
59 words
In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the improvement of a liquid crystal display panel which is characterized by an orientation treated film on said substrate which is formed from a mixture of a saturated polyester and a low melting point copolymerized nylon.
Claim 6
Dependent Claim
92 words
In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the improvement of a liquid crystal display panel which is characterized by an orientation treated film on said substrate which is formed from a reaction product of a saturated polyester, a low melting point copolymerized nylon and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an epoxy resin, an acid anhydride and a melamine resin.
Claim 7
Dependent Claim
92 words
In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the improvement of a liquid crystal display panel which is characterized by an orientation treated film on said substrate which is formed from a reaction product of a saturated polyester, a low melting point copolymerized nylon and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an epoxy resin, an acid anhydride and a melamine resin.
Claim 8
Dependent Claim
89 words
In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the improvement of a liquid crystal display panel which is characterized by an orientation treated film on said substrate which is formed from a reaction product of a low melting point copolymerized nylon and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an epoxy resin, an acid anhydride and a melamine resin.
Claim 9
Dependent Claim
89 words
In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the improvement of a liquid crystal display panel which is characterized by an orientation treated film on said substrate which is formed from a reaction product of a low melting point copolymerized nylon and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an epoxy resin, an acid anhydride and a melamine resin.
Claim 10
Dependent Claim
33 words
The liquid crystal display panel of claim 5, wherein the orientation treated film is formed of a reaction product of a low melting point copolymerized nylon, an epoxy resin and a titanium compound.
Claim 11
Dependent Claim
33 words
The liquid crystal display panel of claim 5, wherein the orientation treated film is formed of a reaction product of a low melting point copolymerized nylon, an isocyanate compound and a titanium compound.
Claim 12
Dependent Claim
60 words
In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the improvement of a liquid crystal display panel which is characterized by an orientation treated film on said substrate which is formed from a reaction product of a saturated polyester, an epoxy resin and a titanium compound.
Claim 13
Dependent Claim
60 words
In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the improvement of a liquid crystal display panel which is characterized by an orientation treated film on said substrate which is formed from a reaction product of a saturated polyester, an epoxy resin and a titanium compound.
Claim 14
Dependent Claim
90 words
A process for producing a liquid crystal display panel which is characterized by dissolving in a solvent a reaction product of a low melting point copolymerized nylon and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an epoxy resin, an acid anhydride and a melamine resin, coating said component on a panel substrate comprising a plastic film and a transparent conductive film, drying to prepare an orientation treated film, and successively subjecting it to rubbing treatment.
Claim 15
Dependent Claim
90 words
A process for producing a liquid crystal display panel which is characterized by dissolving in a solvent a reaction product of a low melting point copolymerized nylon and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an epoxy resin, an acid anhydride and a melamine resin, coating said component on a panel substrate comprising a plastic film and a transparent conductive film, drying to prepare an orientation treated film, and successively subjecting it to rubbing treatment.
Claim 16
Dependent Claim
30 words
The process as set forth in claim 9, wherein the dissolved component is a reaction product of a low melting point copolymerized nylon, an epoxy resin and a titanium compound.
Claim 17
Dependent Claim
30 words
The process as set forth in claim 9, wherein the dissolved component is a reaction product of a low melting point copolymerized nylon, an isocyanate compound and a titanium compound.
Claim 18
Dependent Claim
27 words
The process as set forth in claim 9, wherein the dissolved component is a reaction product of a saturated polyester, an isocyanate compound and a titanium compound.
Claim 19
Dependent Claim
84 words
A process for producing a liquid crystal display panel which is characterized by dissolving in a solvent a reaction product of a saturated polyester and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an acid anhydride and a melamine resin, coating said component on a panel substrate comprising a plastic film and a transparent conductive film, drying to prepare an orientation treated film, and successively subjecting it to rubbing treatment.
Claim 20
Dependent Claim
84 words
A process for producing a liquid crystal display panel which is characterized by dissolving in a solvent a reaction product of a saturated polyester and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an acid anhydride and a melamine resin, coating said component on a panel substrate comprising a plastic film and a transparent conductive film, drying to prepare an orientation treated film, and successively subjecting it to rubbing treatment.
Claim 21
Dependent Claim
60 words
A process for producing a liquid crystal display panel which is characterized by dissolving in a solvent a mixture of a saturated polyester and a low melting point copolymerized nylon, coating said component on a panel substrate comprising a plastic film and a transparent conductive film, drying to prepare an orientation treated film, and successively subjecting it to rubbing treatment.
Claim 22
Dependent Claim
60 words
A process for producing a liquid crystal display panel which is characterized by dissolving in a solvent a mixture of a saturated polyester and a low melting point copolymerized nylon, coating said component on a panel substrate comprising a plastic film and a transparent conductive film, drying to prepare an orientation treated film, and successively subjecting it to rubbing treatment.
Claim 23
Dependent Claim
93 words
A process for producing a liquid crystal display panel which is characterized by dissolving in a solvent a reaction product of a saturated polyester, a low melting point copolymerized nylon and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an epoxy resin, an acid anhydride and a melamine resin, coating said component on a panel substrate comprising a plastic film and a transparent conductive film, drying to prepare an orientation treated film, and successively subjecting it to rubbing treatment.
Claim 24
Dependent Claim
93 words
A process for producing a liquid crystal display panel which is characterized by dissolving in a solvent a reaction product of a saturated polyester, a low melting point copolymerized nylon and a reinforcing additive which is one or more components selected from the group consisting of a reactive titanium compound, an isocyanate compound, an epoxy resin, an acid anhydride and a melamine resin, coating said component on a panel substrate comprising a plastic film and a transparent conductive film, drying to prepare an orientation treated film, and successively subjecting it to rubbing treatment.
Claim 25
Dependent Claim
38 words
The process for producing a liquid crystal display panel as set forth in any of claims 9, 13, 14 or 15 wherein the solvent is a highly volatile solvent having a boiling point of up to 150° C.
Claim 26
Dependent Claim
61 words
A process for producing a liquid crystal display panel which is characterized by dissolving in a solvent a reaction product of a saturated polyester, an epoxy resin and a titanium compound, coating said component on a panel substrate comprising a plastic film and a transparent conductive film, drying to prepare an orientation treated film, and successively subjecting it to rubbing treatment.
Claim 27
Dependent Claim
61 words
A process for producing a liquid crystal display panel which is characterized by dissolving in a solvent a reaction product of a saturated polyester, an epoxy resin and a titanium compound, coating said component on a panel substrate comprising a plastic film and a transparent conductive film, drying to prepare an orientation treated film, and successively subjecting it to rubbing treatment.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-10 | 1987-04-11 | 1987-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-10 | 1991-04-11 | 1991-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-10 | 1995-04-11 | 1995-10-11 | $7700.00 | Window Closed / Lapsed |