| 摘要 |
The present invention relates to a touch screen device integrated with a backlight unit and having an antenna pattern, the touch screen device comprising: a display panel comprising a display unit the operation of which is controlled by a video signal being inputted and which has a light transmission control element disposed therein, and a backlight unit which is disposed in the rear of the display unit and emits light frontward through the display unit; a plurality of first line antennas; and a tablet comprising a first line selection circuit for selecting and setting, as a first output, a side of one of the plurality of first line antennas with the selected side insulated from a loop structure, and a coordinate detection circuit for detecting the position of an electronic pen by using an induced voltage from the first output when the electronic pen is in proximity thereto. The plurality of first line antennas are formed by printing a conductive material on a surface, a reflective sheet in particular, of the backlight unit. |
