Window for Mobile Device and Mobile Device Including the Window

• US 20130164493A1
• Filed: 08/02/2012
• Published: 06/27/2013
• Est. Priority Date: 12/21/2011
• Status: Abandoned Application

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: Hirai, Akira
• Application Number:
  US13/565,588
• Publication Number:
  US 20130164493A1
• Time in Patent Office: Days
• US Class Current: 428/113
• CPC Class Codes: G02F 1/133308 Support structures for LCD panels, e.g. frames or bezels
• CPC Class Codes: G02F 2201/503 Arrangements improving the resistance to shock
• CPC Class Codes: G02F 2202/28 Adhesive materials or arrangements
• CPC Class Codes: Y10T 428/24124 Fibers
• CPC Class Codes: Y10T 428/25 Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
• CPC Class Codes: Y10T 428/264 Up to 3 mils
• CPC Class Codes: Y10T 428/265 1 mil or less
• CPC Class Codes: Y10T 428/269 including synthetic resin or polymer layer or component
• CPC Class Codes: Y10T 428/31507 Of polycarbonate
• CPC Class Codes: Y10T 428/31551 Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
• CPC Class Codes: Y10T 428/31786 Of polyester [e.g., alkyd, etc.]
• CPC Class Codes: Y10T 428/31855 Of addition polymer from unsaturated monomers
• CPC Class Codes: Y10T 428/31938 Polymer of monoethylenically unsaturated hydrocarbon

Abstract

A window for mobile device includes a first resin layer and a second resin layer. The first resin layer may include a transparent adhesive resin and a plurality of support members distributed on the transparent adhesive resin. The second resin layer is disposed on one side of the first resin layer and may include a hard transparent resin.

Claims

1. A window for mobile device, comprising:

a first resin layer including a transparent adhesive resin and a plurality of support members distributed on the transparent adhesive resin; and

a second resin layer disposed on one side of the first resin layer and including a hard transparent resin.

2. The window for mobile device of claim 1, wherein a coefficient of volume elasticity of the transparent adhesive resin is not greater than 0.01 GPa.

3. The window for mobile device of claim 2, wherein the coefficient of volume elasticity of the transparent adhesive resin is not greater than 1 MPa.

4. The window for mobile device of claim 2, wherein the transparent adhesive resin is any one of a silicon adhesive resin, a rubber adhesive resin, an acrylic adhesive resin, and a urethane adhesive resin.

5. The window for mobile device of claim 1, wherein a coefficient of volume elasticity of the support members is not less than 1 GPa.

6. The window for mobile device of claim 5, wherein the support members are any one of a short staple and a spherical particle.

7. The window for mobile device of claim 6, wherein the support members comprise at least one of a silicate glass, an alumina ceramic and an acrylic organic.

8. The window for mobile device of claim 7, wherein the acrylic organic is polymethylmethacrylate (PMMA).

9. The window for mobile device of claim 5, wherein the support members comprise:

a plurality of first fiber aggregates disposed in a specific direction and spaced apart from one another; and

a plurality of second fiber aggregates crossing the first fiber aggregates.

10. The window for mobile device of claim 9, wherein the first and second fiber aggregates comprise a plurality of fibers, each fiber comprising any one of E-glass material, T-glass material and NE-glass material.

11. The window for mobile device of claim 1, wherein a difference between a refractive index of the support members and a refractive index of the transparent adhesive resin is not greater than 0.1.

12. The window for mobile device of claim 1, wherein a thickness of the first resin layer is in a range of 10 μ

m˜

500 μ

m.

13. The window for mobile device of claim 12, wherein a thickness of the second resin layer is in a range of 5 μ

m˜

100 μ

m.

14. The window for mobile device of claim 1, wherein a diameter of the support member is in a range of 2 μ

m˜

100 μ

m.

15. The window for mobile device of claim 14, wherein a difference between a thickness of the first resin layer and the diameter of the support member is in a range of 0˜

30 μ

m.

16. The window for mobile device of claim 15, wherein a difference between the thickness of the first resin layer and the diameter of the support member is in a range of 0˜

10 μ

m.

17. The window for mobile device of claim 1, wherein the second resin layer comprises at least one of a Sil-Sesqui-Oxane resin, an acrylic resin, a polycarbonate resin, an allyl resin, a polyester resin and an epoxy resin.

18. The window for mobile device of claim 1, further comprising a support film disposed on another side of the first resin layer.

19. The window for mobile device of claim 18, wherein the support film is one of a transparent plastic sheet, a polarizing film and a touch sensor panel.

20. The window for mobile device of claim 18, wherein the support film comprises a transparent resin having a coefficient of volume elasticity not greater than 1 GPa.

21. The window for mobile device of claim 1, further comprising a third resin layer disposed between the first resin layer and the second resin layer and including a same material as the transparent adhesive resin.

22. The window for mobile device of claim 21, wherein a thickness of the third resin layer is not greater than 50 μ

m.

23. A mobile device, comprising:

a display panel displaying an image; and

a window for mobile device disposed in a direction in which light is outputted from the display panel;

wherein the window for mobile device comprises;

a first resin layer comprising a transparent adhesive resin and a plurality of support members distributed on the transparent adhesive resin and comprising a first side disposed toward the display panel and a second side facing the first side; and

a second resin layer disposed on the second side of the first resin layer and comprising a hard transparent resin.

24. The mobile device of claim 23, wherein a coefficient of volume elasticity of the transparent adhesive resin is not greater than 0.01GPa.

25. The mobile device of claim 23, wherein a coefficient of volume elasticity of the support members is not less than 1 GPa.

26. The mobile device of claim 25, wherein the support members are one of a short staple and a spherical particle distributed in the transparent adhesive resin.

27. The mobile device of claim 25, wherein the support members comprise:

a plurality of first fiber aggregates disposed in a specific direction and spaced apart from one another; and

a plurality of second fiber aggregates crossing the first fiber aggregates.

28. The mobile device of claim 23, wherein a difference between a refractive index of the support members and a refractive index of the transparent adhesive resin is not greater than 0.1.

29. The mobile device of claim 23, wherein the second resin layer comprises at least one of a Sil-Sesqui-Oxane resin, an acrylic resin, a polycarbonate resin, an allyl resin, a polyester resin and an epoxy resin.

30. The mobile device of claim 23, further comprising a support film disposed on the second side of the first resin layer.

31. The mobile device of claim 23, further comprising a third resin layer disposed between the first resin layer and the second resin layer and including a same material as the transparent adhesive resin.