Thin film transistor array substrate for high-resolution digital X-ray detector and high-resolution digital X-ray detector including the same
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United States of America Patent
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May 17, 2022
Grant Date -
Apr 23, 2020
app pub date -
Oct 15, 2019
filing date -
Oct 18, 2018
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Abstract
Disclosed are a thin-film transistor array substrate for a high-resolution digital X-ray detector and a high-resolution digital X-ray detector including the same, in which a photo-sensitivity is improved by increasing a fill factor, a stability of the PIN diode is improved, and generation of parasitic capacitance is reduced or minimized. In one embodiment, the PIN diode maximally extends so that electrodes and contact holes of the thin-film transistor is disposed inside the PIN diode. A planarization layer of organic material is present between the electrodes or wirings. Further, a light receiving region of the PIN diode is increased or maximized by positioning the bias line to overlap the data line or the gate line so as not to overlap with the PIN diode.
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