| 摘要 |
A light emitting display device includes a light emitting diode and a thin film transistor on a substrate, the light emitting diode and thin film transistor being electrically coupled to each other, and a photo diode on the substrate, the photo diode including an N-type doping region, a P-type doping region, and an intrinsic region between the N-type doping region and the P-type doping region, the intrinsic region including amorphous silicon.
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