Electro-optic display device and a method of producing the same

• US 4,587,038 A
• Filed: 06/09/1981
• Issued: 05/06/1986
• Est. Priority Date: 06/26/1980
• Status: Expired due to Term

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Tamura, Katsuhide
• Primary Examiner(s): Barr, Josephine L.
• Application Number:
  US06/271,993
• Time in Patent Office: 1,792 Days
• Field of Search: 252/500, 252/511, 252/512, 252/514, 350/334, 350/339 R, 350/336, 523/457-459, 523/468, 523/427, 523/435, 524/495, 524/496, 524/439, 524/441, 524/588, 524/500, 106/287.11-287.16
• US Class Current: 252/511
• CPC Class Codes: B82Y 10/00 Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
• CPC Class Codes: B82Y 30/00 Nanotechnology for materials or surface science, e.g. nanocomposites
• CPC Class Codes: G02F 1/1345 Conductors connecting electrodes to cell terminals
• CPC Class Codes: H01R 4/04 using electrically conductive adhesives
• CPC Class Codes: H05K 2201/0239 Coupling agent for particles using a coupling agent to improve the adhesion between an insulating substrate and a metal H05K3/389
• CPC Class Codes: H05K 2201/0326 Inorganic, non-metallic conductor, e.g. indium-tin oxide [ITO]
• CPC Class Codes: H05K 3/321 by conductive adhesives

Abstract

An electro-optic display device in which a conductive paste is disposed between opposed electrodes is characterized in that said conductive paste contains silane coupling agents. A process for making an electro-optic display device in which a conductive paste is disposed between opposed electrodes is characterized in that said conductive paste is applied onto films which are formed by applying a silane coupling agent onto at least one of the electrodes.

Claims

1. An electro-optic display device in which a conductive paste is disposed between opposed electrodes, characterized in that said conductive paste comprises (1) an organic silicone monomer having a reactive silicon radical and a reactive organic radical, (2) a conductive powder, and (3) an organic resin adhesive;

said organic silicone monomer being in an amount sufficient to form at least a monomolecular layer of organic silicone monomer on said electrodes.

2. An electro-optic display device according to claim 1 wherein said reactive organic radical of said organic silicone monomer is selected from the group consisting of methoxy-, ethoxy-, B-methoxyethoxy-, and methoxycarbonyl- radical.

3. An electro-optic display device according to claim 1 wherein said reactive silicon radical of said organic silicone monomer is a silicon reactive radical or atom selected from the group consisting of vinyl-, epoxy-, methacryl-, mercapt-, amino- radical, and active halogen atom.

4. An electro-optic display device according to claim 1 wherein said organic silicone monomer is at least one compound selected from the group consisting of:

γ

-glycidoxypropyltrimethoxysilane, γ

-methacryloxypropyltrimethoxysilane, N-(β

-aminoethyl)-γ

-aminopropyltrimethoxysilane, vinyl-tris-(β

-methoxyethoxy)-silane, N-(β

-aminoethyl)-γ

-aminopropylmethyldimethoxysilane, γ

-chloropropyltrimethoxysilane, γ

-mercaptopropyltrimethoxysilane, γ

-aminopropyltriethoxysilane, N-[β

-(N-allylamino)-ethyl]-.gamma.-aminopropyltrimethoxysilane hydrochloride, N-[β

-(N-carboxymethylamino)-ethyl]-γ

-aminopropyltrimethoxysilane, N-allyl-γ

-aminopropyltrimethoxysilane, γ

-anilinopropyltrimethoxysilane, vinyltriacetoxysilane, and chloromethyltrimethoxysilane.

5. An electro-optic display device according to claim 1 wherein said conductive paste contains said organic silicone monomer in an amount of from 0.05 to 10% by weight.

6. An electro-optic display device according to claim 1 wherein said conductive powder is carbon powder or at least one metallic powder selected from the group consisting of silver, gold, copper, and aluminum.

7. An electro-optic display device according to claim 1 wherein said organic resin adhesive is an epoxy resin adhesive.

8. An electro-optic display device according to claim 6 wherein said organic resin adhesive is an epoxy resin adhesive.

9. An electro-optic display device according to claim 1 wherein said conductive paste is disposed on the outside of the area surrounded by a sealing member for said electro-optic display device.

10. An electro-optic display device according to claim 1 wherein said conductive paste is disposed between a lead electrode and an electrode for short circuit.

11. An electro-optic display device according to claim 1 wherein said electrodes are made of indium oxides.

12. An electro-optic display device according to claim 1 wherein said electrodes are made of tin oxides.

13. An electro-optic display device in which a conductive paste is disposed between opposed electrodes, characterized in that said conductive paste comprises (1) an organic silicon monomer selected from the group consisting of γ

-glycidoxypropyltrimethoxysilane, γ

-methacryloxypropyltrimethoxysilane, N-(β

-aminoethyl)-γ

-aminopropyltrimethoxysilane, vinyl-tris(β

-methoxyethoxy)-silane, N-(β

-aminoethyl)-γ

-aminopropylmethyldimethoxysilane, γ

-chloropropyltrimethoxysilane, γ

-mercaptopropyltrimethoxysilane, γ

-aminopropyltriethoxysilane, N-[β

-(N-allylamino)-ethyl]-.gamma.-aminopropyltrimethoxysilane hydrochloride, N-[β

-(N-carboxymethylamino)-ethyl]-γ

-aminopropyltrimethoxysilane, N-allyl-γ

-aminopropyl-trimethoxysilane, γ

-anilinopropyltrimethoxysilane, vinyltriacetoxysilane, and chloromethyltrimethoxysilane;

(2) a conductive powder selected from the group consisting of carbon powder, silver power, gold powder, copper powder and aluminum powder; and

(3) an organic resin adhesive selected from the group consisting of unsaturated polyester resin and epoxy resin adhesive.