公开(公告)号：US20210013430A1

公开(公告)日：2021-01-14

申请号：US16856971

申请日：2020-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hyoyoung LEE ,  Soo-Byung KO ,  Junha PARK ,  Hankyu PAK ,  Jang Yeol BAEK ,  Mun-ki SIM ,  Chanseok OH

IPC: H01L51/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode and a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one selected from among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency.

公开(公告)号：US20240397819A1

公开(公告)日：2024-11-28

申请号：US18432519

申请日：2024-02-05

Applicant: Samsung Display Co., Ltd.

Inventor： Mun-ki SIM ,  Taeil KIM ,  Sun Young PAK ,  MinJae SUNG ,  Minjung JUNG ,  Seonhyoung HUR

IPC: H10K85/60 ,  C07B59/00 ,  C09K11/06 ,  H10K85/30 ,  H10K85/40

Abstract: Embodiments provide a fused polycyclic compound, a light emitting element that includes the fused polycyclic compound, and an electronic device that includes the light emitting element. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode and including the fused polycyclic compound represented by Formula 1, which is explained in the specification.

公开(公告)号：US20210273175A1

公开(公告)日：2021-09-02

申请号：US17091619

申请日：2020-11-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hankyu PAK ,  Mun-ki SIM ,  Seokhwan HWANG ,  Junha PARK ,  Jang Yeol BAEK ,  Keigo HOSHI ,  Yuuki MIYAZAKI ,  Hyoyoung LEE ,  Minjung JUNG ,  Sun Young PAK ,  Chanseok OH

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

Abstract: An organic electroluminescence device includes a first electrode, an organic layer disposed on the first electrode, and a second electrode disposed on the organic layer, wherein the organic layer includes a polycyclic compound represented by Formula 1. The organic electroluminescence device may have high emission efficiency.

公开(公告)号：US20190319196A1

公开(公告)日：2019-10-17

申请号：US16377046

申请日：2019-04-05

Applicant: Samsung Display Co., Ltd.

Inventor： Mun-ki SIM ,  Junha PARK ,  Jangyeol BAEK ,  Hyoyoung LEE ,  Soo-byung KO ,  Youngkook KIM ,  Seokhwan HWANG

IPC: H01L51/00 ,  C09K11/06 ,  C07D403/10 ,  C07D403/14 ,  C07D409/14

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region provided on the first electrode, an emission layer provided on the hole transport region, an electron transport region provided on the emission layer, and a second electrode provided on the electron transport region. The emission layer includes a nitrogen-containing compound. The nitrogen-containing compound includes a triazine moiety and a carbazole moiety. In the carbazole moiety, at least one position among 2, 3 and 7 is substituted; each of positions 2 and 7 is substituted or unsubstituted with a substituted or unsubstituted phenyl group, or a substituted or unsubstituted carbazole group; and position 3 is substituted or unsubstituted with a substituted or unsubstituted phenyl group.

公开(公告)号：US20180166639A1

公开(公告)日：2018-06-14

申请号：US15840986

申请日：2017-12-13

Applicant: Samsung Display Co., Ltd.

Inventor： Junha PARK ,  Mun-ki SIM ,  Hyoyoung LEE ,  Eunjae JEONG ,  Youngkook KIM ,  Seokhwan HWANG

IPC: H01L51/00 ,  C07F9/655 ,  C07F9/572 ,  C07F9/58 ,  C07F9/576

CPC classification number: H01L51/0073 ,  C07F9/5728 ,  C07F9/5765 ,  C07F9/58 ,  C07F9/65517 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/5024 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5096

Abstract: A condensed cyclic compound which improves emission life and efficiency and an organic electroluminescence device is provided. The condensed cyclic compound according to the inventive concept is represented by the following where each of X, Y and Z is independently a substituted or unsubstituted pentagonal hydrocarbon ring, a substituted or unsubstituted hexagonal hydrocarbon ring, a substituted or unsubstituted pentagonal heterocycle, or a substituted or unsubstituted hexagonal heterocycle, the pentagonal heterocycle and the hexagonal heterocycle each independently includes one heteroatom, each of a and b is independently 0 or 1, and Ar1 is a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring.