DISPLAY SUBSTRATE, PREPARATION METHOD THEREOF AND DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Oct 19, 2023
app pub date -
Apr 3, 2020
filing date -
Jun 20, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A display substrate includes a cut-out area; a display region; and an isolation region including an isolation pillar and at least two packing dams; a base substrate; a barrier layer; a buffer layer; a first gate insulation layer; a second gate insulation layer; and an interlayer insulation layer. The isolation pillar is formed of a portion of the barrier layer, a portion of the buffer layer, a portion of the first gate insulation layer, a portion of the second gate insulation layer, and a portion the interlayer insulation layer. A side of the side end surface proximal to the substrate is indented inward compared to the side facing away from the substrate. A light emitting layer on the side of the structural layer facing away from the substrate is discontinuous at least at a position having an indented structure.
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