Electronic ink display device and method for manufacturing the same

1. A method for manufacturing an electronic ink display device, the method comprising the steps of:

forming an electronic ink layer on a driving substrate, wherein an outside of the electronic ink layer has a display surface, and an outside of the driving substrate has a back surface;

forming a front protective layer covering the display surface, wherein the front protective layer is in contact with the electronic ink layer and has a dimension greater than a dimension of the driving substrate; and

filling a sealant covering and surrounding a sidewall of the electronic ink layer between the front protective layer and the back surface of the driving substrate, and a sidewall of the driving substrate.

2. The method of claim 1 , wherein the front protective layer comprises a front release film covering an outside surface of the front protective layer.

3. The method of claim 2 , further comprising removing the front release film.

4. The method of claim 1 , wherein the step of forming the front protective layer comprises forming a back protective layer beneath the driving substrate and covering the back surface of the driving substrate, and the back protective layer has a dimension smaller than the dimension of the front protective layer.

5. The method of claim 4 , wherein the back protective layer comprises a back release film covering an outside surface of the back protective layer.

6. The method of claim 5 , further comprising removing the back release film.

7. The method of claim 1 , further comprising the steps of:

before the step of forming the electronic ink layer on the driving substrate;

providing a substrate;

forming a carrier substrate beneath the substrate; and

forming a plurality of active components on the substrate, wherein the active components and the substrate are included in the driving substrate.

8. The method of claim 7 , further comprising removing the carrier substrate after the step of forming the electronic ink layer on the driving substrate.

9. The method of claim 1 , further comprising forming a front light plate on the front protective layer after the step of filling the sealant.

10. A electronic ink display device, comprising:

a driving substrate;

an electronic ink layer disposed on the driving substrate;

a front protective layer disposed on and formed in contact with the electronic ink layer, wherein the front protective layer has a dimension greater than a dimension of the driving substrate; and

a sealant covering and surrounding a sidewall of the electronic ink layer between the front protective layer and a back surface of the driving substrate, and a sidewall of the driving substrate.

11. The device of claim 10 , wherein the driving substrate comprises:

a rigid substrate; and

a plurality of active components disposed on the rigid substrate;

wherein the electronic ink layer covers the active components.

12. The device of claim 11 , wherein the rigid substrate has a thickness in a range of 0.05 to 0.3 mm.

13. The device of claim 10 , further comprising a back protective layer beneath the driving substrate and covering the back surface of the driving substrate, wherein the back protective layer has a dimension smaller than the dimension of the front protective layer, and the sealant covers and surrounds a sidewall of the electronic ink layer between the front protective layer and the back protective layer, and a sidewall of the driving substrate.

14. The device of claim 13 , wherein the driving substrate comprises:

a polymer substrate; and

a plurality of active components disposed on the polymer substrate;

wherein the electronic ink layer covers the active components.