Touch screen and display device having the same
A touch screen and a display device having the same are disclosed. The touch screen includes an insulating substrate including a sensing region and a peripheral region, a plurality of sensing electrodes disposed in the sensing region, a plurality of wirings disposed in the peripheral region and electrically connected to the plurality of sensing electrodes, a plurality of pads disposed in the peripheral region and electrically connected to the plurality of wirings, an optical film disposed on an upper portion of the plurality of sensing electrodes, a flexible circuit board electrically connected to the plurality of pads, and a reinforcing member disposed on the flexible circuit board corresponding to the plurality of pads, wherein a first height measured from the insulating substrate to an upper surface of the reinforcing member is equal to a second height measured from the insulating substrate to an upper surface of the optical film.
1. A touch screen comprising:
an insulating substrate including a sensing region and a peripheral region;
a plurality of sensing electrodes disposed in the sensing region of the insulating substrate;
a plurality of wirings disposed in the peripheral region of the insulating substrate and electrically connected to the plurality of sensing electrodes;
a plurality of pads disposed in the peripheral region of the insulating substrate and electrically connected to the plurality of wirings;
an optical film disposed on an upper portion of the plurality of sensing electrodes;
a flexible circuit board electrically connected to the plurality of pads; and
a reinforcing member disposed on the flexible circuit board corresponding to the plurality of pads and spaced apart from the optical film,
wherein a first width of the reinforcing member is greater than a width of the plurality of pads, and
wherein a first edge of the reinforcing member that faces the optical film vertically aligns with a first edge of the plurality of pads in a cross-sectional view, and the first edge of the reinforcing member coincides with the first edge of the plurality of pads, and
wherein a second edge of the reinforcing member that is opposite to the first edge of the reinforcing member vertically aligns with an edge of the insulating substrate in the cross-sectional view.
2. The touch screen of claim 1 , wherein the optical film is spaced apart from the flexible circuit board by a predetermined distance.
3. The touch screen of claim 1 , wherein a thickness of the optical film is greater than that of the reinforcing member.
4. The touch screen of claim 1 , wherein the optical film comprises a polarizing film.
5. The touch screen of claim 1 , wherein one end of the reinforcing member coincides with an outer edge of the insulating substrate.
6. The touch screen of claim 1 , wherein the reinforcing member is a double sided tape.
7. The touch screen of claim 1 , wherein the touch screen further comprises an anisotropic conductive film interposed between the plurality of pads and the flexible circuit board.
8. A display device comprising:
a display panel displaying an image;
a touch screen disposed on the display panel;
an optical adhesive layer disposed on the touch screen; and
a window member disposed on the optical adhesive layer,
wherein the touch screen comprises:
an insulating substrate including a sensing region and a first peripheral region;
a plurality of sensing electrodes disposed in the sensing region of the insulating substrate;
a plurality of wirings disposed in the first peripheral region of the insulating substrate and electrically connected to the plurality of sensing electrodes;
a plurality of pads disposed in the first peripheral region of the insulating substrate and electrically connected to the plurality of wirings;
an optical film disposed on an upper portion of the plurality of sensing electrodes;
a first flexible circuit board electrically connected to the plurality of pads; and
a reinforcing member disposed on the first flexible circuit board corresponding to the plurality of pads and spaced apart from the optical film,
wherein a first width of the reinforcing member is greater than a width of the plurality of pads, and
wherein a first edge of the reinforcing member that faces the optical film vertically aligns with a first edge of the plurality of pads in a cross-sectional view, and the first edge of the reinforcing member coincides with the first edge of the plurality of pads, and
wherein a second edge of the reinforcing member that is opposite to the first edge of the reinforcing member vertically aligns with an edge of the insulating substrate in the cross-sectional view.
9. The display device of claim 8 , wherein the optical film is spaced apart from the first flexible circuit board by a predetermined distance.
10. The display device of claim 8 , wherein a thickness of the optical film is greater than that of the reinforcing member.
11. The display device of claim 8 , wherein the optical film comprises a polarizing film.
12. The display device of claim 8 , wherein one end of the reinforcing member coincides with an outer edge of the insulating substrate.
13. The display device of claim 8 , wherein the reinforcing member includes an insulating material having a higher strength than the optical adhesive layer.
14. The display device of claim 8 , wherein the reinforcing member is a double sided tape.
15. The display device of claim 8 , wherein the touch screen further comprises an anisotropic conductive film interposed between the plurality of pads and the first flexible circuit board.
16. The display device of claim 8 , wherein the display panel comprises:
a first insulating substrate including a display region and a second peripheral region;
a second insulating substrate facing the first insulating substrate;
a display part disposed between the first insulating substrate and the second insulating substrate and displaying an image; and
a second flexible circuit board for providing a signal for driving the display part,
wherein the display region corresponds to the sensing region of the touch screen, and the second peripheral region corresponds to the first peripheral region of the touch screen, and
wherein the first flexible circuit board of the touch screen is connected to the second flexible circuit board of the display panel.