公开(公告)号：US12137613B2

公开(公告)日：2024-11-05

申请号：US17767819

申请日：2020-10-12

Applicant: SFC CO., LTD

Inventor： Bong-ki Shin ,  Sung-hoon Joo ,  Byung-sun Yang ,  Ji-hwan Kim ,  Hyeon-jun Jo ,  Sung-eun Choi

IPC: H10K85/60 ,  C09K11/06 ,  H10K85/40

Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.

公开(公告)号：US12281248B2

公开(公告)日：2025-04-22

申请号：US17296347

申请日：2019-11-28

Applicant: SFC CO., LTD. ,  HODOGAYA CHEMICAL CO., LTD.

Inventor： Sung-hoon Joo ,  Byung-sun Yang ,  Su-jin Kim ,  Ji-hwan Kim ,  Hyeon-jun Jo ,  Sung-eun Choi ,  Bong-ki Shin ,  Young-hwan Park ,  Shuichi Hayashi ,  Takeshi Yamamoto ,  Shunji Mochizuki ,  Yuta Hirayama

IPC: H01L51/00 ,  C07F5/02 ,  C07F11/00 ,  C09K11/06 ,  H10K85/30 ,  H10K85/60 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/844

Abstract: An organic light-emitting element according to the present invention employs a polycyclic aromatic derivative compound in a light-emitting layer inside the element, and further comprises a capping layer. Thus, the organic light-emitting element can be made highly efficient and can be useful for a device selected from among a flat panel display device, a flexible display device, a monochrome or white flat panel lighting device, and a monochrome or white flexible lighting device.

公开(公告)号：US10651397B2

公开(公告)日：2020-05-12

申请号：US15028181

申请日：2014-10-10

Applicant: SFC CO., LTD.

Inventor： Bong-ki Shin ,  Bu-Bae Park ,  Ji-hee Park ,  Bong-hyang Lee ,  Kyung-Hwa Park

IPC: H01L51/00 ,  C07D403/04 ,  C09K11/06 ,  C07D405/14 ,  C07D403/14 ,  C07D409/14 ,  C07D495/04 ,  C07D401/14 ,  C07D471/04 ,  C07F7/08 ,  C07D403/06 ,  C07F5/02 ,  C07D403/10 ,  C09K11/02 ,  H01L51/50

Abstract: The present invention relates to an organic light emitting compound and an organic light emitting device comprising the same, and the organic light emitting device employing the organic light emitting compound according to the present invention can be driven at a lower voltage than existing devices employing a phosphorescent host material, and has excellent power efficiency, improved light emission efficiency, and long lifespan characteristics.