COMPOSITION FOR FORMING ORGANIC LIGHT-EMITTING DEVICE AND METHOD OF PREPARING ORGANIC LIGHT-EMITTING DEVICE

    公开(公告)号:US20200259093A1

    公开(公告)日:2020-08-13

    申请号:US16779428

    申请日:2020-01-31

    Abstract: Provided are a composition for forming an organic light-emitting device, a method of preparing an organic light-emitting device, and an organic light-emitting device. The method of preparing an organic light-emitting device includes: forming an organic layer including an emission layer on a first electrode, wherein the forming of the organic layer includes performing a solution process using a composition for forming an organic light-emitting device, the composition for forming an organic light-emitting device includes n kinds of solvent, a solvent (Sv1) having the highest boiling point among the n kinds of solvent and a solvent (Sv2) having the second highest boiling point among the n kinds of solvent satisfy Equation 1, n is an integer from 2 to 10, and the solvent (Sv1) having the highest boiling point among the n kinds of solvent is a compound represented by Formula 1.

    ORGANIC LIGHT-EMITTING DEVICE
    7.
    发明申请

    公开(公告)号:US20170294587A1

    公开(公告)日:2017-10-12

    申请号:US15480471

    申请日:2017-04-06

    Abstract: An organic light-emitting device including a first electrode; a second electrode; emission units stacked between the first electrode and the second electrode and including at least one emission layer; and charge generation layers between two adjacent emission units, the charge generation layers each including an n-type charge generation layer and p-type charge generation layer, a maximum emission wavelength of light emitted by at least one of the emission units is different from that of another emission unit, one n-type charge generation layer includes a first compound and a metal-containing material, the first compound being represented by Formula 1, the p-type charge generation layers include an amino group-free compound, at least one of the emission units further includes a hole transporting (HT)-emission auxiliary layer on a first electrode side thereof, and the HT-emission auxiliary layer includes at least one second compound, the second compound being represented by Formula 2:

    ORGANIC LIGHT-EMITTING DEVICE
    10.
    发明申请

    公开(公告)号:US20170331039A1

    公开(公告)日:2017-11-16

    申请号:US15593976

    申请日:2017-05-12

    Abstract: An organic light-emitting device is provided That includes: a first electrode; a second electrode facing the first electrode; m number of emission units disposed between the first electrode and the second electrode, the emission units each including at least one emission layer. m−1 charge generation layers are disposed between two adjacent emission units and each includes an n-type charge generation layer and a p-type charge generation layer. Maximum emission wavelengths of light emitted by two emission units may be different. At least one of the emission units, at least one of the charge generation layers, or any combination thereof may each include a first compound, which may be represented by Formula 1:

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