Display device
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United States of America Patent
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May 24, 2022
Grant Date -
Jun 13, 2019
app pub date -
Sep 10, 2018
filing date -
Dec 12, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A display device includes a substrate including a display area and a peripheral area outside the display area. A circuit unit is disposed in the display area and includes a semiconductor layer. An insulating layer is on the semiconductor layer. A conductive layer is connected to the semiconductor layer through a contact hole in the insulating layer. The conductive layer includes an underlayer including a metal nitride including a first metal. A display element is disposed on the circuit unit and includes a pixel electrode electrically connected to the conductive layer. A connection layer is disposed under the conductive layer. The connection layer corresponds to the contact hole and includes a second metal.
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