| 摘要 |
A touch screen panel includes a unit pixel and a light sensing part. The unit pixel is connected to an N-th gate line and an M-th data line. The light sensing part is adjacent to the unit pixel. The light sensing part includes a first sensing switching element and a second sensing switching element. The first sensing switching element includes a gate electrode connected to the N-th gate line, a drain electrode connected to a P-th read out line and a source electrode connected to a first node. The second sensing switching element includes a gate electrode to which a first voltage is applied, a drain electrode connected to the first node and a source electrode connected to an X-th gate line. N, M, P and X are positive integers. Thus, an aperture ratio of the touch screen panel can be improved.
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