Transparent laminate, window panel for display device and display device including the window panel

• US 9,259,898 B2
• Filed: 12/06/2012
• Issued: 02/16/2016
• Est. Priority Date: 01/09/2012
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: Hirai, Akira, Lee, Dong-Ho, Lee, Kyu-Taek, Han, Sang-Woo, Kim, Sang-Gu
• Primary Examiner(s): Hess, Bruce H
• Assistant Examiner(s): POLLEY, CHRISTOPHER M
• Application Number:
  US13/706,852
• Publication Number:
  US 20130177748A1
• Time in Patent Office: 1,167 Days
• US Class Current: 1/1
• CPC Class Codes: B32B 2255/20 Inorganic 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 2307/51 Elastic
• CPC Class Codes: B32B 2307/536 Hardness
• CPC Class Codes: B32B 2307/54 Yield strength; Tensile strength
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/283 comprising polysiloxanes
• CPC Class Codes: B32B 7/022 Mechanical properties
• CPC Class Codes: Y10T 428/24802 Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
• CPC Class Codes: Y10T 428/24868 Translucent outer layer
• CPC Class Codes: Y10T 428/24967 Absolute thicknesses specified
• CPC Class Codes: Y10T 428/24983 Hardness

Abstract

In one aspect, a transparent laminate, including a transparent material layer, a transparent high-elasticity layer laminated on both sides of the transparent material layer and having Young'"'"'s modulus of less than or equal to about 10 MPa, and a transparent high-hardness layer sequentially laminated on the transparent high-elasticity layer that is laminated on both sides of the transparent material layer and having a surface hardness of greater than or equal to a pencil hardness of about 6H is provided.

Claims

1. A transparent laminate, comprising:

a transparent material layer having a first surface and a second surface;

a first transparent elasticity layer laminated directly on the first surface of the transparent material layer, wherein said first transparent elasticity layer has a Young'"'"'s modulus of less than or equal to about 10 MPa;

a second transparent elasticity layer laminated directly on the second surface of the transparent material layer, wherein said second transparent elasticity layer has a Young'"'"'s modulus of less than or equal to about 10 MPa;

a first transparent hardness layer, wherein said first transparent hardness layer is formed directly on the first transparent elasticity layer, wherein said first transparent hardness layer has a surface hardness of greater than or equal to a pencil hardness of about 6 H; and

a second transparent hardness layer, wherein said second transparent hardness layer is formed directly on the second transparent elasticity layer, wherein said second transparent hardness layer has a surface hardness of greater than or equal to a pencil hardness of about 6 H.

2. The transparent laminate of claim 1, wherein the transparent laminate is used for a vehicle or a window.

3. A window panel for a display device, comprising:

a transparent material layer having a first surface and a second surface;

a first transparent elasticity layer laminated directly on the first surface of the transparent material layer wherein, said first transparent elasticity layer has a Young'"'"'s modulus of less than or equal to about 10 MPa;

a second transparent elasticity layer laminated directly on the second surface of the transparent material layer, wherein said second transparent elasticity layer has a Young'"'"'s modulus of less than or equal to about 10 MPa;

a first transparent hardness layer, wherein said first transparent hardness layer is formed directly on the first transparent elasticity layer, wherein said first transparent hardness layer has a surface hardness of greater than or equal to a pencil hardness of about 6 H; and

a second transparent hardness layer, wherein said second transparent hardness layer is formed directly on the second transparent elasticity layer, wherein said second transparent hardness layer has a surface hardness of greater than or equal to a pencil hardness of about 6 H.

4. The window panel of claim 3, wherein the transparent material layer has a single layer structure of an organic material layer or an inorganic material layer;

a laminating structure where a plurality of organic material layers, a plurality of inorganic material layer, or a combination of an organic material layer and an inorganic material layer are in a laminated configuration.

5. The window panel of claim 3, wherein the transparent material layer has a Young'"'"'s modulus of greater than or equal to about 1 GPa.

6. The window panel of claim 3, wherein the transparent material layer has a thickness of about 10 μ

m to about 2 mm.

7. The window panel of claim 3, wherein the first transparent elasticity layer is an adhesive material layer.

8. The window panel of claim 3, wherein the first transparent elasticity layer has a thickness of about 1 μ

m to about 100 μ

m.

9. The window panel of claim 3, wherein the first transparent elasticity layer and the second transparent elasticity layer have the same or different thickness.

10. The window panel of claim 3, wherein the first transparent hardness layer and the second transparent hardness layer have respectively a single layer structure of a silsesquioxane layer;

or

a laminating structure including a plastic film and a silsesquioxane layer;

or

a laminating structure of a plastic film one side or both sides of which is or are laminated with a hard coating layer.

11. The window panel of claim 10, wherein the silsesquioxane layer of the single layer or of the laminating structure has a thickness of about 5 μ

m to about 250 μ

m, and

the hard coating layer of the laminating structure has a thickness of about 5 μ

m to about 250 μ

m.

12. The window panel of claim 10, wherein the plastic film of the laminating structure including the plastic film and the silsesquioxane layer or the plastic film of the laminating structure of the plastic film one side or both sides of which is or are laminated with the hard coating layer has a thickness of about 25 μ

m to about 100 μ

m.

13. The window panel of claim 10, wherein the hard coating layer includes at least one component selected from the group consisting of an acryl-based compound, an epoxy-based compound, and an organic/inorganic composite compound.

14. The window panel of claim 3, further comprising:

a first printed unit printed on the first surface of the transparent material layer; and

a second printed unit printed on the second surface of the transparent material layer.

15. The window panel of claim 3, further comprising:

a first printed unit printed on the internal surface of the first transparent hardness layer facing the first surface of the transparent material layer; and

a second printed unit printed on the internal surface of the second transparent hardness layer facing second surface of the the transparent material layer.

16. A display device, comprising:

a window panel for a display device, wherein the window panel comprises;

a transparent material layer having a first surface and a second surface;

a first transparent elasticity layer laminated directly on the first surface of the transparent material layer wherein said first transparent elasticity layer has a Young'"'"'s modulus of less than or equal to about 10 MPa;

a second transparent elasticity layer laminated directly on the second surface of the transparent material layer, wherein said second transparent elasticity layer has a Young'"'"'s modulus of less than or equal to about 10 MPa;

a first transparent hardness layer, wherein said first transparent hardness layer is formed directly on the first transparent elasticity layer, wherein said first transparent hardness layer has a surface hardness of greater than or equal to a pencil hardness of about 6 H; and

a second transparent hardness layer, wherein said second transparent hardness layer is formed directly on the second transparent elasticity layer, wherein said second transparent hardness layer has a surface hardness of greater than or equal to a pencil hardness of about 6 H.

17. The display device of claim 16, wherein the transparent material layer has a single layer structure of an organic material layer or an inorganic material layer;

a laminating structure where a plurality of organic material layers, a plurality of inorganic material layer, or a combination of an organic material layer and an inorganic material layer are in a laminated configuration.

18. The display device of claim 16, wherein the transparent material layer has a Young'"'"'s modulus of greater than or equal to about 1 GPa.

19. The display device of claim 16, wherein the transparent material layer has a thickness of about 10 μ

m to about 2 mm.

20. The display device of claim 16, wherein the first transparent elasticity layer is an adhesive material layer.