Method and apparatus for color filter as touch pad
View Patent ↗In accordance with an example embodiment of the present invention, an apparatus is disclosed. The apparatus includes a display section and a touch panel section. The touch panel section is adjacent the display section. The touch panel section includes a first layer, a second layer and a third layer. The first layer includes a conductive material. The second layer includes a bottom guard layer. The third layer includes a top guard layer. The first layer is between the second and third layers. The conductive material includes a color filter and a black matrix.
1. An apparatus, comprising:
a display section; and
a touch sensor section adjacent the display section, wherein the touch sensor section comprises a first layer, a second layer and a third layer, wherein the first layer comprises a first conductive material, wherein the second layer comprises a bottom guard layer, wherein the third layer comprises a top guard layer, wherein the top guard layer comprises a second conductive material, wherein the first layer is between the second and third layers, wherein the first layer further comprises a substrate, wherein touch pad traces are implemented on the substrate, wherein the bottom guard layer is at a first side of the substrate, and wherein the top guard layer is at a second opposite side of the substrate, wherein the first conductive material comprises a color filter and a black matrix, wherein the color filter and the black matrix form a conductive layer, wherein the conductive layer is configured to form a touch pattern layer, wherein the bottom guard layer forms a common voltage layer for a liquid crystal display panel, and wherein the conductive layer is directly adjacent the common voltage layer.
2. The apparatus of claim 1 wherein the apparatus further comprises non-conductive material, wherein the first conductive material and the non-conductive material are used for the color filters and the black matrix to form a touch pattern.
3. The apparatus of claim 1 wherein the display section further comprises a liquid crystal display panel, wherein the bottom guard layer forms a common voltage layer for the liquid crystal display panel.
4. The apparatus of claim 1 wherein the top guard layer of the touch sensor section forms top polarizer for the display section.
5. The apparatus of claim 1 wherein the display section and the touch sensor section form en integrated display and touch panel.
6. The apparatus of claim 1 wherein the apparatus comprises a mobile phone.
7. The apparatus of claim 1 wherein the touch sensor section comprises a plurality of touch sensors, wherein the top guard layer does not cover the touch sensors.
8. The apparatus of claim 1 wherein the color filter comprises the substrate, and wherein the bottom guard layer is between a liquid crystal layer and the substrate.
9. The apparatus of claim 1 wherein a portion of the first layer and the second layer are on the same side of the substrate.
10. The apparatus of claim 1 wherein touch sensor pad areas are configured not to be shielded by the top guard layer.
11. An apparatus, comprising a top guard layer, a color filter and a black matrix, wherein the color filter and the black matrix form a conductive layer, wherein the conductive layer is configured to form a touch pattern layer, wherein the color filter comprises a substrate, wherein touch pad traces are implemented on the substrate, wherein the bottom guard layer is at a first side of the substrate, and wherein the top guard layer is at a second opposite side of the substrate, wherein the top guard layer is proximate the first conductive layer, wherein the top guard layer comprises a conductive material, wherein the bottom guard layer forms a common voltage layer for a liquid crystal display panel, and wherein the conductive layer is directly adjacent the common voltage layer.
12. The apparatus of claim 11 wherein the conductive layer is connected to a ground when the conductive layer forms a shield between a touch panel and a display panel, and wherein the shield is configured to provide for noise cancellation between the touch panel and the display panel.
13. The apparatus of claim 11 wherein the apparatus further comprises a non-conductive material, wherein the conductive layer comprises conductive material, wherein when the conductive and non-conductive materials are configured to provide traces proximate an active area of a display panel.
14. The apparatus of claim 11 wherein conductive materials of the conductive layer are configured to provide pads of electrical components.
15. The apparatus of claim 11 wherein the conductive layer is connected to ground, and wherein the conductive layer is configured to form an electrostatic discharge shield.