Organic light emitting diode for high efficiency

    公开(公告)号:US10998505B2

    公开(公告)日:2021-05-04

    申请号:US15202007

    申请日:2016-07-05

    申请人: SFC CO., LTD.

    摘要: Disclosed herein is an organic light-emitting diode, comprising: a first electrode, a second electrode opposite the first electrode, and a light-emitting layer and an electron-density-controlling layer in that order between the first electrode and the second electrode, wherein the electron-density-controlling layer includes at least one selected from among compounds represented by Chemical Formulas A to D, and the light-emitting layer includes at least one anthracene compound represented by Chemical Formula H. The electron-density-controlling layer may be disposed between the light-emitting layer and an electron transport layer.

    Organic light emitting diode with high efficiency

    公开(公告)号:US11723265B2

    公开(公告)日:2023-08-08

    申请号:US16558856

    申请日:2019-09-03

    申请人: SFC CO., LTD.

    IPC分类号: H10K85/60 H10K50/12

    CPC分类号: H10K85/615 H10K50/12

    摘要: Disclosed herein is an organic light emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains at least one of the anthracene derivatives represented by the following Chemical Formula A and having an orbital energy level of TTA phenomenon-based singlet generation in which the second triplet excited orbital energy level (T2) is higher than two times the lowest triplet excited orbital energy level (T1) (T2>2T1).

    Organic light emitting diode of high efficiency

    公开(公告)号:US10559758B2

    公开(公告)日:2020-02-11

    申请号:US15739276

    申请日:2016-07-08

    申请人: SFC CO., LTD.

    摘要: Disclosed herein is an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron density control layer in that order between the first electrode and the second electrode, wherein the electron density control layer includes at least one selected from among compounds represented by the following Chemical Formulas A to D, and the light emitting layer includes at least one anthracene compound represented by the following Chemical Formula H. The structures of Chemical Formulas A to D and H are as described in the specification.

    Organic light-emitting diode with high efficiency

    公开(公告)号:US10950802B2

    公开(公告)日:2021-03-16

    申请号:US15574892

    申请日:2016-05-27

    申请人: SFC CO., LTD.

    摘要: The present invention relates to an organic light-emitting diode which can operate at a low voltage and has a long lifespan compound and, more particular, to an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron transport layer sequentially arranged between the first and the second electrode, wherein the light-emitting layer contains at least one of the amine compounds represented by following Chemical Formula A or Chemical Formula B, and the electron transport layer contains at least one of the compounds represented by the following Chemical Formula E. The structures of Chemical Formulas A, B, and E are as shown in the specification.

    Organic light-emitting diode having long lifespan property

    公开(公告)号:US11322708B2

    公开(公告)日:2022-05-03

    申请号:US17125024

    申请日:2020-12-17

    申请人: SFC CO., LTD.

    IPC分类号: H01L51/50 H01L51/52 H01L51/00

    摘要: The present disclosure relates to an organic light-emitting diode: comprising a first electrode; a second electrode facing the first electrode; and a hole transport layer and a light-emitting layer disposed in that order between the first and the second electrode, wherein the light-emitting layer includes a host and a hole assistant material represented by the following Chemical Formula A, the hole assistant material having a highest occupied molecular orbital (HOMO) energy level lower in absolute value than that of the host.