Touch display device

A touch display device comprising a display area and a non-display area and further comprising:

• a touch electrode layer, wherein a plurality of sensing electrodes are configured in the touch electrode layer;
• a driver chip;
• and
• at least one multiplexer, configured in the non-display area;
• wherein the at least one multiplexer is coupled to the multiple sensing electrodes through a plurality of first connection components and each of the at least one multiplexer are coupled to the driver chip through a second connection component;
• wherein the plurality of sensing electrodes are a plurality of driving electrodes for providing a plurality of driving signals or a plurality of detecting electrodes for receiving a plurality of sensing signals;
• wherein there is no vertical interconnect access (VIA) or conductive routing in the touch electrode layer in the display area of the touch display device.

A touch display device including a display area and a non-display area and further comprising:

• a touch electrode layer;
• wherein a plurality of sensing electrodes are configured in the touch electrode layer;
• wherein each sensing electrode extends from the display area to the non-display area and is coupled to a driver chip via a connection structure;
• wherein the connection structure locates in the non-display area;
• wherein the plurality of sensing electrodes are a plurality of driving electrodes for providing a plurality of driving signals or a plurality of detecting electrodes for receiving a plurality of sensing signals;
• wherein the connection structure comprises vertical interconnect access (VIA) configured in the non-display area;
• wherein the touch electrode layer is configured on a first side of a pixel array insulating layer of a thin film transistor (TFT) glass substrate, a routing layer coupled to the driver chip is configured on a second side of the pixel array insulating layer, and the VIA of the connection structure penetrates the pixel array insulating layer to connect the touch electrode layer and the routing layer.

A touch display device comprising a display area and a non-display area and further comprising:

• a touch electrode layer, wherein a plurality of sensing electrodes are configured in the touch electrode layer;
• a driver chip;
• and
• at least one multiplexer, configured in the non-display area;
• wherein the at least one multiplexer is coupled to the multiple sensing electrodes through a plurality of first connection components and each of the at least one multiplexer is coupled to the driver chip through a second connection component;
• wherein the plurality of sensing electrodes are a plurality of driving electrodes for providing a plurality of driving signals or a plurality of detecting electrodes for receiving a plurality of sensing signals;
• wherein each of the sensing electrodes extends from the display area to the non-display area and the plurality of first connection components are in the non-display area of the touch display device;
• wherein the touch electrode layer is configured on a first side of a pixel array insulating layer on a thin film transistor (TFT) glass substrate, the at least one multiplexer is configured on a second side of the pixel array insulating layer, the plurality of the first connection components comprise a plurality of vertical interconnect accesses (VIAs) penetrating the pixel array insulating layer, and the second connection component is configured in a routing layer on the second side of the pixel array insulating layer.