公开(公告)号：US20240196736A1

公开(公告)日：2024-06-13

申请号：US18280745

申请日：2022-03-08

Applicant: SFC CO., LTD.

Inventor： Kyeong-hyeon KIM ,  Se-jin LEE ,  Si-in KIM ,  Seok-bae PARK ,  Hee-dae KIM ,  Yeong-tae CHOI ,  Seung-soo LEE ,  Ji-yung KIM ,  Kyung-tae KIM ,  Myeong-jun KIM ,  Tae-gyun LEE ,  Joon-ho KIM

IPC: H10K85/60 ,  C07D307/79 ,  C07D307/91 ,  C07D333/54 ,  C07D409/04 ,  C07F5/02 ,  C09K11/06

CPC classification number: H10K85/615 ,  C07D307/79 ,  C07D307/91 ,  C07D333/54 ,  C07D409/04 ,  C07F5/027 ,  C09K11/06 ,  H10K85/626 ,  H10K85/6574 ,  H10K85/6576 ,  H10K85/658 ,  H10K50/12

Abstract: The present invention relates to an organic light-emitting device employing, as a host of a light emission layer, an anthracene derivative compound having a characteristic structure by introduction of a benzofuran structure into the anthracene backbone, and as a dopant of the light emission layer, a polycyclic compound having a characteristic structure. The organic light-emitting device according to the present invention is an organic light-emitting device with significantly improved external quantum efficiency and can be advantageously utilized not only for lighting devices but also for various display devices, such as flat, flexible, and wearable displays.

公开(公告)号：US20240164206A1

公开(公告)日：2024-05-16

申请号：US18276999

申请日：2022-02-15

Applicant: SFC CO., LTD.

Inventor： Se-jin LEE ,  Si-in KIM ,  Seok-bae PARK ,  Hee-dae KIM ,  Yeong-tae CHOI ,  Seung-soo LEE ,  Ji-yung KIM ,  Kyeong-hyeon KIM ,  Kyung-tae KIM ,  Myeong-jun KIM ,  Tae-gyun LEE ,  Joon-ho KIM

IPC: H10K85/60 ,  C07D491/048 ,  C07D493/04 ,  C09K11/06

CPC classification number: H10K85/657 ,  C07D491/048 ,  C07D493/04 ,  C09K11/06 ,  H10K85/622 ,  H10K85/6574 ,  H10K50/12

Abstract: The present invention relates to: a pyrene derivative compound having a specific structure; and a high efficiency organic light-emitting device employing the pyrene derivative compound in a light emitting layer and thus having excellent light-emitting characteristics. The organic light-emitting device according to the present invention can be configured as a high efficiency organic light-emitting device having excellent light-emitting characteristics by employing the pyrene derivative compound having the specific structure as a host in the light emitting layer, and thus can be usefully applied industrially in lighting devices, as well as various display devices such as flat, flexible, and wearable displays.

公开(公告)号：US20240155938A1

公开(公告)日：2024-05-09

申请号：US18277009

申请日：2022-02-15

Applicant: SFC CO., LTD.

Inventor： Se-jin LEE ,  Si-in KIM ,  Seok-bae PARK ,  Hee-dae KIM ,  Yeong-tae CHOI ,  Seung-soo LEE ,  Ji-yung KIM ,  Kyeong-hyeon KIM ,  Kyung-tae KIM ,  Myeong-jun KIM ,  Tae-gyun LEE ,  Joon-ho KIM

IPC: H10K85/60 ,  C07D209/94 ,  C07D405/04 ,  C07D405/10 ,  C07D491/048 ,  C07D495/04 ,  C09K11/06

CPC classification number: H10K85/622 ,  C07D209/94 ,  C07D405/04 ,  C07D405/10 ,  C07D491/048 ,  C07D495/04 ,  C09K11/06 ,  H10K85/626 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/12

Abstract: An organic light-emitting device according to the present invention uses a pyrene derivative compound having a characteristic structure as a host in a light-emitting layer to realize a long-lifespan and high-efficiency organic light-emitting device having excellent light-emitting characteristics in terms of lifespan and luminescence efficiency. Accordingly, the organic light-emitting device can be usefully applied, in the industrial aspect, for various display devices such as flat panel, flexible, and wearable displays, as well as lighting devices.

公开(公告)号：US20170207397A1

公开(公告)日：2017-07-20

申请号：US15405766

申请日：2017-01-13

Applicant: SFC CO., LTD.

Inventor： Se-jin LEE ,  Taejung YU ,  Seok-bae PARK ,  Byung-sun YANG ,  Su-Jin LEE ,  Bong-Hyang LEE ,  Yeongtae CHOI

IPC: H01L51/00 ,  C09K11/02 ,  C07D491/048 ,  C07D405/14 ,  C07D405/10 ,  C07D209/86 ,  C09K11/06 ,  C07D405/04

CPC classification number: H01L51/0067 ,  C07D209/86 ,  C07D405/04 ,  C07D405/10 ,  C07D405/14 ,  C07D491/048 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/5384 ,  H05B33/20

Abstract: Disclosed is an organic light emitting compound represented by Formula 1: HAr1-(L)n-HAr2   (1) Also disclosed is an organic light emitting device including the organic light emitting compound of Formula 1. Also disclosed is an organic light emitting device including the organic light emitting compound of Formula 1 as a first compound and a second compound represented by Formula 2: HAr3-(L)n-HAr4   (2) The organic light emitting devices exhibit low driving voltage, high efficiency, and long life. Due to these advantages, the organic light emitting devices are useful in a variety of industrial applications, including displays and lighting systems.