HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME

    公开(公告)号:US20210376253A1

    公开(公告)日:2021-12-02

    申请号:US17326929

    申请日:2021-05-21

    Abstract: An organic light-emitting device includes a heterocyclic compound represented by Formula 1, in which at least one of X1 to X4 is a nitrogen atom, and at least one is carbon atom substituted by Formula 1A: The heterocyclic compound represented by Formula 1 may have excellent electron transport capability, and the organic light-emitting device may accordingly have low driving voltage, high efficiency, high luminance, and/or long lifespan characteristics.

    ORGANIC LIGHT-EMITTING DEVICE
    134.
    发明申请

    公开(公告)号:US20210143328A1

    公开(公告)日:2021-05-13

    申请号:US17155893

    申请日:2021-01-22

    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a first compound, the emission layer includes a second compound and a third compound, and the electron transport region includes a fourth compound and a fifth compound. An organic light-emitting device according to the one or more embodiments may have high efficiency and long lifespan.

    Organic light-emitting device
    135.
    发明授权

    公开(公告)号:US10978643B2

    公开(公告)日:2021-04-13

    申请号:US14801804

    申请日:2015-07-16

    Abstract: An organic light-emitting device includes a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a hole auxiliary layer and the electron transport region includes an electron auxiliary layer. The organic light-emitting device may have high efficiency and long life span characteristics.

    Organic light emitting device
    136.
    发明授权

    公开(公告)号:US10897015B2

    公开(公告)日:2021-01-19

    申请号:US15865030

    申请日:2018-01-08

    Abstract: Provided is an organic light-emitting device including a first electrode, a second electrode, and an emission layer therebetween, wherein the emission layer includes a compound represented by the following formula: Wherein X1 and X2 are each independently O or S, A1 is a 6-membered aromatic group or a 6-membered heteroaromatic group, and details of other constituents are provided in the disclosure.

    Organic light-emitting device
    137.
    发明授权

    公开(公告)号:US10756274B2

    公开(公告)日:2020-08-25

    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 having a sealing thin film encapsulation portion

    公开(公告)号:US10573692B2

    公开(公告)日:2020-02-25

    申请号:US16134853

    申请日:2018-09-18

    Abstract: An electronic apparatus that is presented has a substrate; an organic light-emitting device disposed on the substrate; and a thin film encapsulation portion sealing the organic light-emitting device and comprising at least one organic film. The organic film includes a cured product of a composition for forming an organic film, the composition comprising a curable material and an ultraviolet (UV) absorber. The curable material includes a (meth)acrylate compound. The organic light-emitting device includes a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region between the first electrode and the emission layer. The emission layer includes a first compound represented by Formula 1, and the hole transport region includes a second compound represented by Formula 2:

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