公开(公告)号：US10756277B2

公开(公告)日：2020-08-25

申请号：US15302301

申请日：2015-04-07

Applicant: DOOSAN CORPORATION

Inventor： Tae Jin Choi ,  Ho-Cheol Park ,  Youngmi Beak ,  Eunjin Kim

IPC: H01L51/00 ,  C09K11/06 ,  C07D491/04 ,  C07D319/24 ,  C07D493/04 ,  C07D495/04 ,  C07D491/056 ,  H01L51/50

Abstract: The present disclosure relates to a novel organic compound and an organic electroluminescent device comprising the same, and the organic compound of the present disclosure may be used for an organic material layer of the organic electroluminescent device, thereby improving the light emitting efficiency, driving voltage, lifetime, and the like of the organic electroluminescent device.

公开(公告)号：US10573822B2

公开(公告)日：2020-02-25

申请号：US15107971

申请日：2014-12-26

Applicant: DOOSAN CORPORATION

Inventor： Tae Hyung Kim ,  HoCheol Park ,  Young Bae Kim ,  Chang Jun Lee ,  Eunjung Lee ,  Youngmi Beak

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50

Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.

公开(公告)号：US09960363B2

公开(公告)日：2018-05-01

申请号：US15538781

申请日：2015-12-21

Applicant: DOOSAN CORPORATION

Inventor： Min-Sik Eum ,  Ho-Cheol Park ,  Chang Jun Lee ,  Tae Hyung Kim ,  Jiyi Kim ,  Youngmi Beak

IPC: H01L51/00 ,  C07D251/24 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L51/0067 ,  C07D213/16 ,  C07D239/26 ,  C07D251/24 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5072 ,  H01L51/508 ,  H01L51/5092 ,  H01L51/52 ,  H01L2251/552

Abstract: The present invention provides an organic electroluminescent element which comprises: an anode; a cathode; and an organic layer interposed between the anode and the cathodes, wherein the organic layer comprises one or more types of layer from the group consisting of a hole-injection layer, hole-transport layer, light-emitting layer, lifetime enhancement layer, electron-transport layer, and electron-injection layer.

公开(公告)号：US09543538B2

公开(公告)日：2017-01-10

申请号：US14530637

申请日：2014-10-31

Applicant: SAMSUNG DISPLAY CO., LTD. ,  DOOSAN CORPORATION

Inventor： Seul-Ong Kim ,  Mi-Kyung Kim ,  Dong-Woo Shin ,  Chang-Woong Chu ,  Tae Hyung Kim ,  HoCheol Park ,  Youngmi Beak ,  Min-Sik Eum ,  Eunjung Lee ,  Chang Jun Lee

IPC: H01L29/08 ,  H01L51/50 ,  H01L51/00

CPC classification number: H01L51/5028 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/5004 ,  H01L51/5096 ,  H01L2251/552 ,  H01L2251/554

Abstract: An organic light-emitting device includes a positive electrode, a negative electrode and at least one organic material layer between the positive electrode and the negative electrode. The at least one organic material layer includes a hole-injecting layer, a hole-transporting layer, an emission layer, an electron-transporting layer, and an electron-injecting layer, and the emission layer includes a host material and a dopant material. In addition, a lifetime enhancement layer including a bipolar compound is positioned between the emission layer and the electron-transporting layer.

Abstract translation: 有机发光器件包括正电极，负电极和正极和负电极之间的至少一个有机材料层。 所述至少一个有机材料层包括空穴注入层，空穴传输层，发射层，电子传输层和电子注入层，并且所述发射层包括主体材料和掺杂剂材料。 此外，包括双极化合物的寿命增强层位于发射层和电子传输层之间。

公开(公告)号：US20200185617A1

公开(公告)日：2020-06-11

申请号：US16795199

申请日：2020-02-19

Applicant: DOOSAN CORPORATION

Inventor： Min-Sik Eum ,  Hojun Son ,  Woo Jae Park ,  Tae Hyung Kim ,  Jiyi Kim ,  Youngmi Beak

IPC: H01L51/00 ,  C09K11/06 ,  C07D239/26 ,  C07D251/24 ,  C07D213/16 ,  H01L51/50 ,  C09K11/02

Abstract: Disclosed are a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.

公开(公告)号：US10008675B2

公开(公告)日：2018-06-26

申请号：US15039315

申请日：2014-12-16

Applicant: DOOSAN CORPORATION

Inventor： Young Bae Kim ,  Hyunjong Jo ,  Chang Jun Lee ,  Jinyong Shin ,  Hoe Moon Kim ,  Youngmi Beak ,  Tae Hyung Kim

IPC: H01L51/00 ,  C07D487/04 ,  C09K11/06 ,  C07D491/044 ,  C07D495/04 ,  C07D471/14 ,  C07D495/14 ,  C09K11/02 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07D471/14 ,  C07D487/04 ,  C07D491/044 ,  C07D495/04 ,  C07D495/14 ,  C09K11/025 ,  C09K11/06 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0057 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5012 ,  H01L51/5072

Abstract: The present disclosure relates to a novel compound and an organic electroluminescent element including the same, and the compound according to the present disclosure is used for an organic material layer of the organic electroluminescent element, thereby improving the light emitting efficiency, driving voltage, lifetime, and the like of the organic electroluminescent element.