Transparent gas barrier laminated film, and electroluminescent light-emitting element, electroluminescent display device, and electrophoretic display panel using the same

• US 20060062995A1
• Filed: 11/15/2005
• Published: 03/23/2006
• Est. Priority Date: 05/16/2003
• Status: Abandoned Application

• Current Assignee: Toppan Printing Co., Ltd. (TOPPAN Holdings, Inc.)
• Original Assignee: Toppan Printing Co., Ltd. (TOPPAN Holdings, Inc.)
• Inventors: Yamamoto, Wataru
• Application Number:
  US11/272,809
• Publication Number:
  US 20060062995A1
• Time in Patent Office: Days
• US Class Current: 428/332
• CPC Class Codes: B32B 2250/24 All layers being polymeric
• CPC Class Codes: B32B 2255/10 on synthetic resin layer or on natural or synthetic rubber layer
• CPC Class Codes: B32B 2255/205 Metallic coating
• CPC Class Codes: B32B 2255/26 Polymeric coating
• CPC Class Codes: B32B 2255/28 Multiple coating on one surface
• CPC Class Codes: B32B 2307/412 Transparent
• CPC Class Codes: B32B 2307/7244 Oxygen barrier
• CPC Class Codes: B32B 2307/7246 Water vapor barrier
• CPC Class Codes: B32B 2439/40 Closed containers
• CPC Class Codes: B32B 2439/70 Food packaging
• CPC Class Codes: B32B 2439/80 Medical packaging
• CPC Class Codes: B32B 2553/00 Packaging equipment or accessories not otherwise provided for
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/36 comprising polyesters
• CPC Class Codes: G02F 1/133345 Insulating layers G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence
• CPC Class Codes: G02F 1/167 by electrophoresis
• CPC Class Codes: G02F 1/1675 Constructional details
• CPC Class Codes: G02F 2201/50 Protective arrangements
• CPC Class Codes: H10K 50/844 Encapsulations
• CPC Class Codes: Y10T 428/26 Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
• CPC Class Codes: Y10T 428/31938 : Polymer of monoethylenically unsaturated hydrocarbon

Abstract

A transparent gas barrier laminated film includes at least two transparent gas barrier films, and a 1- to 30-μm-thick adhesive layer formed between the transparent gas barrier films.

Claims

1. A transparent gas barrier laminated film comprising a first transparent gas barrier film, a 1- to 30-μ

m-thick self-adhesive layer formed on the first transparent gas barrier film, and a second transparent gas barrier film formed on the self-adhesive layer.

2. A transparent gas barrier laminated film according to claim 1, wherein at least one of the first and second transparent gas barrier films comprises a base material, and an inorganic oxide deposited layer deposited on the base material.

3. A transparent gas barrier laminated film according to claim 1, wherein the first transparent gas barrier film comprises a base material, and an inorganic oxide deposited layer formed on the base material, and the second transparent gas barrier film comprises a gas barrier resin layer.

4. A transparent gas barrier laminated film according to claim 2, wherein the inorganic oxide contains at least one member selected from the group consisting of aluminum oxide, silicon oxide, and magnesium oxide.

5. A transparent gas barrier laminated film according to claim 2, further comprising, on the inorganic oxide deposited layer, a gas barrier coating layer formed by applying a coating agent containing, as a main agent thereof, one of an aqueous solution and a water/alcohol solution mixture which contains a water-soluble polymer and at least one of (a) one or more type of a metal alkoxide and/or a hydrolyzed product thereof and (b) tin chloride, and drying the coating agent by heating.

6. A transparent gas barrier laminated film according to claim 5, wherein the metal alkoxide contains at least one of tetraethoxysilane and triisopropoxy aluminum.

7. A transparent gas barrier laminated film according to claim 5, wherein the water-soluble polymer is polyvinyl alcohol.

8. A transparent gas barrier laminated film according to claim 1, further comprising a heat-sealing layer formed on at least one of the first and second transparent gas barrier films.

9. An electroluminescent light-emitting element comprising:

a laminated structure including a transparent electrode layer, an electroluminescent light-emitting layer formed on the transparent electrode layer, one of a dielectric layer and an insulating layer formed on the electroluminescent light-emitting layer, a back electrode layer formed on one of the dielectric layer and insulating layer, and

a transparent gas barrier laminated film sealed to cover the laminated structure, comprising a first transparent gas barrier film, a 1- to 30-μ

m-thick self-adhesive layer formed on the first transparent gas barrier film, and a second transparent gas barrier film formed on the self-adhesive layer.

10. An electroluminescent light-emitting element according to claim 9, wherein at least one of the first and second transparent gas barrier films comprises a base material, and an inorganic oxide deposited layer deposited on the base material.

11. An electroluminescent light-emitting-element according to claim 9, wherein the first transparent gas barrier film comprises a base material, and an inorganic oxide deposited layer formed on the base material, and the second transparent gas barrier film comprises a gas barrier resin layer.

12. An electroluminescent light-emitting element according to claim 10, wherein the inorganic oxide contains at least one member selected from the group consisting of aluminum oxide, silicon oxide, and magnesium oxide.

13. An electroluminescent light-emitting element according to claim 10, further comprising, on the inorganic oxide deposited layer, a gas barrier coating layer formed by applying a coating agent containing, as a main agent thereof, one of an aqueous solution and a water/alcohol solution mixture which contains a water-soluble polymer and at least one of (a) one or more type of metal alkoxides and/or a hydrolyzed product thereof and (b) tin chloride, and drying the coating agent by heating.

14. An electroluminescent light-emitting element according to claim 13, wherein the metal alkoxide contains at least one of tetraethoxysilane and triisopropoxy aluminum.

15. An electroluminescent light-emitting element according to claim 13, wherein the water-soluble polymer is polyvinyl alcohol.

16. An electroluminescent light-emitting element according to claim 9, further comprising a heat-sealing layer formed on at least one of the first and second transparent gas barrier films.

17. An electroluminescent display device comprising:

a laminated structure including a color filter layer, a transparent electrode layer formed on the color filter layer, an electroluminescent light-emitting layer formed on the transparent electrode layer, one of a dielectric layer and insulating layer formed on the electroluminescent light-emitting layer, and a back electrode layer formed on one of the dielectric layer and insulating layer, and

a transparent gas barrier laminated film which is sealed to cover the laminated structure and comprises a first transparent gas barrier film, a 1- to 30-μ

m-thick self-adhesive layer formed on the first transparent gas barrier film, and a second transparent gas barrier film formed on the self-adhesive layer

18. An electroluminescence display device according to claim 17, wherein at least one of the first and second transparent gas barrier films comprises a base material, and an inorganic oxide deposited layer deposited on the base material.

19. An electroluminescence display device according to claim 17, wherein the first transparent gas barrier film comprises a base material, and an inorganic oxide deposited layer formed on the base material, and the second transparent gas barrier film comprises a gas barrier resin layer.

20. An electroluminescence display device according to claim 18, wherein the inorganic oxide contains at least one member selected from the group consisting of aluminum oxide, silicon oxide, and magnesium oxide.

21. An electroluminescence display device according to claim 18, further comprising, on the inorganic oxide deposited layer, a gas barrier coating layer formed by applying a coating agent containing, as a main agent thereof, one of an aqueous solution and a water/alcohol solution mixture which contains a water-soluble polymer and at least one of (a) one or more type of a metal alkoxide and/or a hydrolyzed product thereof and (b) tin chloride, and drying the coating agent by heating.

22. An electroluminescence display device according to claim 21, wherein the metal alkoxide contains at least one of tetraethoxysilane and triisopropoxy aluminum.

23. An electroluminescence display device according to claim 21, wherein the water-soluble polymer is polyvinyl alcohol.

24. An electroluminescence display device according to claim 17, further comprising a heat-sealing layer formed on at least one of the first and second transparent gas barrier films.

25. An electrophoretic display panel comprises:

a display unit including a transparent electrode layer, a display region containing electrophoretic particles and an insulating fluid which disperses the electrophoretic particles, and a back electrode formed on the display region, and

a transparent gas barrier laminated film sealed to cover the display unit, and comprising a first transparent gas barrier film, a 1- to 30-μ

m-thick self-adhesive layer formed on the first transparent gas barrier film, and a second transparent gas barrier film formed on the self-adhesive layer.

26. An electrophoretic display panel according to claim 25, wherein the display unit has a capsule encapsulating the insulating fluid in which the electrophoretic particles are dispersed.

27. An electrophoreic display panel according to claim 25, wherein at least one of the first and second transparent gas barrier films comprises a base material, and an inorganic oxide deposited layer deposited on the base material.

28. An electrophoreic display panel according to claim 25, wherein the first transparent gas barrier film comprises a base material, and an inorganic oxide deposited layer formed on the base material, and the second transparent gas barrier film comprises a gas barrier resin layer.

29. An electrophoreic display panel according to claim 27, wherein the inorganic oxide contains at least one member selected from the group consisting of aluminum oxide, silicon oxide, and magnesium oxide.

30. An electrophoreic display panel according to claim 27, further comprising, on the inorganic oxide deposited layer, a gas barrier coating layer formed by applying a coating agent containing, as a main agent thereof, one of an aqueous solution and a water/alcohol solution mixture which contains a water-soluble polymer and at least one of (a) one or more type of a metal alkoxide and/or a hydrolyzed product thereof and (b) tin chloride, and drying the coating agent by heating.

31. An electrophoreic display panel according to claim 30, wherein the metal alkoxide contains at least one of tetraethoxysilane and triusopropoxy aluminum.

32. An electrophoreic display panel according to claim 30, wherein the water-soluble polymer is polyvinyl alcohol.

33. An electrophoreic display panel according to claim 25, further comprising a heat-sealing layer formed on at least one of the first and second transparent gas barrier films.