ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE
    4.
    发明申请

    公开(公告)号:US20200161580A1

    公开(公告)日:2020-05-21

    申请号:US16687371

    申请日:2019-11-18

    Abstract: Organic light emitting diode display devices are provided. In at least one embodiment, an organic light emitting diode display device includes a first electrode; a first stack on the first electrode and the first stack is configured to emit a blue colored light; a first charge generating layer on the first stack; a second stack on the first charge generating layer and the second stack is configured to emit a red colored light and a yellow-green colored light; and a second electrode on the second stack. The second stack includes: a red-yellow-green emitting material layer including a yellow-green host, a yellow-green dopant and a red dopant; and a yellow-green emitting material layer including the yellow-green host and the yellow-green dopant.

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