| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a display panel having an input function for receiving a signal from the outside in addition to a display function for displaying an image, minimizing deterioration in image quality, and widening a display area maximally. <P>SOLUTION: This display panel is provided with a first display board including a first insulation base board, a second insulation base board, a touch sensing part formed on the second insulation base board, a second display board arranged face to face to the first display board. The touch sensing part comprises an ultrasonic wave guide layer formed on the second insulation base board, an ultrasonic transmission part and an ultrasonic receipt part formed on the ultrasonic wave guide layer, and a protection layer formed on the ultrasonic wave guide layer. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
