ORGANIC LIGHT-EMITTING DEVICE
    3.
    发明申请

    公开(公告)号:US20210296606A1

    公开(公告)日:2021-09-23

    申请号:US17088178

    申请日:2020-11-03

    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode, each emission unit including at least one emission layer; and m−1 charge generating layers respectively located between two adjacent emission units among them emission units, each of the charge generating layers including one n-type charge generating region and one p-type charge generating region, wherein m is an integer of 2 or more, and at least one of the m−1 p-type charge generating regions includes a phosphate-containing compound.

    ORGANIC LIGHT-EMITTING DEVICE
    5.
    发明申请

    公开(公告)号:US20210217964A1

    公开(公告)日:2021-07-15

    申请号:US17142900

    申请日:2021-01-06

    Abstract: An organic light-emitting device and a flat-display apparatus, the organic light-emitting device including: a charge generating layer between two adjacent emission units, the charge generating layer including an n-type charge generating layer and a p-type charge generating layer, wherein at least one of the n-type and the p-type charge generating layers includes a first inorganic material selected from a late transition metal, a metalloid, a compound including late transition metals, a compound including metalloids, a compound including a late transition metal and a metalloid, and combinations thereof, the late transition metal is at least one selected from Al, Ga, In, Tl, Sn, Pb, Fl, Bi, and Po, the metalloid is at least one selected from B, Si, Ge, As, Sb, Te, and At, and when the late transition metal is at least one selected from Al, In, and Pb, the first inorganic material is the compound including a late transition metal and a metalloid.

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