Organic light emitting display apparatus and method of manufacturing the same

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United States of America Patent

PATENT NO 11690259
APP PUB NO 20210257431A1
SERIAL NO

17235058

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Abstract

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An organic light emitting display (OLED) device includes an organic light emitting diode having an anode and a cathode. The organic light emitting diode is configured to receive a reference voltage. A control transistor includes a first control electrode and a first semiconductor active layer. The control transistor is configured to receive a control signal. A driving transistor includes a second control electrode that is electrically connected to the control transistor, an input electrode that is configured to receive a power voltage, an output electrode that is electrically connected to the anode of the organic light emitting diode, and a second semiconductor active layer that includes a different material from that of the first semiconductor active layer. A shielding electrode is disposed on the second semiconductor active layer, overlapping the driving transistor, and configured to receive the power voltage.

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Patent Owner(s)

  • SAMSUNG DISPLAY CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ka, Ji-Hyun Asan-si, KR 74 640
Kim, Dongsoo Seoul, KR 125 947

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