Antenna integrated into a touch sensor of a touchscreen display

摘要

A touch sensor with a transparent conductive layer and a metalized border area at least partially bordering the transparent conductive layer and forming a far-field antenna.

主权项

1. A mobile computing device, comprising:
a casing; a radio frequency transmitter disposed inside the casing; a radio frequency receiver disposed inside the casing; a touch-screen display disposed inside the casing and comprising: a display screen; a touch sensor disposed adjacent the display screen and comprising: a first and second layer, wherein the first and second layers comprise a metalized border area at least partially bordering a transparent conductive layer, the metalized border area forming electrodes for detecting a location of a touch on the touch screen display, the first layer disposed above the second layer such that the metalized border area of the first layer faces the metalized border area of the second layer; and a far-field antenna, formed from first and second portions of the metalized border area from the first and second layers respectively, wherein the far-field antenna is operatively coupled with the radio frequency transmitter and the radio frequency receiver.