Touch panel and display device including the same

1. A touch panel, comprising:

a substrate including a light transmission region and a peripheral region surrounding the light transmission region;

a color print layer formed in the peripheral region;

an adhesive layer formed over the substrate and the color print layer; and

a touch sensor layer formed over the adhesive layer and configured to sense a touch input,

wherein at least one groove is formed in the color print layer and extends from the light transmission region to the peripheral region,

wherein the color print layer includes a first color print layer and a second color print layer formed over the first color print layer,

wherein the groove penetrates the second color print layer, and

wherein a bottom surface of the groove is defined by a top surface of the first color print layer and a top surface and sidewalls of the groove are formed in the second color print layer.

2. The touch panel of claim 1 , wherein a cross-section of an inner edge of the first color print layer and an inner edge of the second color print layer form a substantially stepped shape.

3. The touch panel of claim 1 , wherein the at least one groove includes a plurality of grooves.

4. The touch panel of claim 1 , wherein the groove continuously extends from the light transmission region to an external edge of the peripheral region.

5. A touch panel comprising:

a substrate including a light transmission region and a peripheral region surrounding the light transmission region;

a color print layer formed in the peripheral region;

an adhesive layer formed over the substrate and the color print layer; and

a touch sensor layer formed over the adhesive layer and configured to sense a touch input,

wherein at least one groove is formed in the color print layer and extends from the light transmission region to the peripheral region,

wherein the color print layer includes a first color print layer, a second color print layer formed over the first color print layer, and a third color print layer formed over the second color print layer,

wherein the groove penetrates the third color print layer, and

wherein a bottom surface of the groove is defined by a top surface of the second color print layer and atop surface and sidewalls of the groove are formed in the third color print layer.

6. A display device, comprising:

a touch panel including:

a substrate including a light transmission region;

a color print layer formed in the peripheral region and forming a boundary between the light transmission region and the peripheral region;

an adhesive layer formed over the substrate and the color print layer; and

a touch sensor layer formed over the adhesive layer, wherein at least one groove is formed in the color print layer and extends from the light transmission region to the peripheral region;

a display panel formed over the touch sensor layer; and

a case housing the touch panel and the display panel,

wherein the color print layer includes a first color print layer; and a second color print layer formed over the first color print layer,

wherein the groove penetrates the second color print layer, and

wherein a bottom surface of the groove is defined by a top surface of the first color print layer and a top surface and sidewalls of the groove are formed in the second color print layer.

7. The display device of claim 6 , wherein a cross-section of an inner edge of the first color print layer and an inner edge of the second color print layer form a substantially stepped shape.

8. A display device comprising:

a touch panel including:

a substrate including a light transmission region;

a color print layer formed in the peripheral region and forming a boundary between the light transmission region and the peripheral region;

an adhesive layer formed over the substrate and the color print layer; and

a touch sensor layer formed over the adhesive layer, wherein at least one groove: is formed in the color print layer and extends from the light transmission region to the peripheral region;

a display panel formed over the touch sensor layer; and

a case housing the touch panel and the display panel,

wherein the color print layer includes a first color print layer, a second color print layer formed over the first color print layer and a third color print layer formed over the second color print layer,

wherein the groove penetrates the third color print layer, and

wherein a bottom surface of the groove is defined by a top surface of the second color print layer and atop surface and sidewalls of the groove are formed in the third color print layer.

9. A display device, comprising:

a touch panel including:

a substrate including a light transmission region and a peripheral region surrounding the light transmission region;

a color print layer formed in the peripheral region; and

a touch sensor layer formed over the color print layer and the substrate and configured to sense a touch input, wherein at least one groove is formed in the color print layer and extends from the light transmission region to the peripheral region; and

a display panel formed over the touch panel,

wherein the color print layer includes a first color print layer and a second color print layer formed over the first color print layer,

wherein the groove penetrates the second color print layer, and

wherein a bottom surface of the groove is defined by a top surface of the first color print layer and a top surface and sidewalls of the groove are formed in the second color print layer.

10. The display device of claim 9 ,

wherein the groove is formed in the second color print layer and wherein the height of the second color print layer is greater than that of the first color print layer.

11. The display device of claim 10 , wherein the width of the groove is greater than the height of the color print layer.