公开(公告)号：US20210277026A1

公开(公告)日：2021-09-09

申请号：US15734323

申请日：2019-07-24

Applicant: LG CHEM, LTD.

Inventor： Sujeong GEUM ,  Dong Hoon LEE ,  Dongheon KIM ,  Ki Kon LEE

IPC: C07F5/02 ,  H01L51/00

Abstract: Provided is a compound of Formula 1: wherein: Cy1 and Cy2 are each independently an aromatic hydrocarbon ring or aromatic hetero ring that is substituted or unsubstituted; R1 to R9 are each independently hydrogen, deuterium, a halogen group, a cyano group, a nitro group, or a substituted or unsubstituted: silyl, alkyl, alkoxy, cycloalkyl, aryl, amine, or heterocyclic group; m1 is 0 to 3, and m2 and m3 are each 0 to 5; when m1 to m3 are each 2 or more, the substituents in the parenthesis are the same or different and Z1 to Z4 are each independently CH or N, and n1 and n2 are each 0 to 2, and when Z1 to Z4 are each CH, n1+n2 is 2 to 4, and when one or more of Z1 to Z4 are N, n1+n2 is 1 to 4, and an organic light emitting device including the same.

公开(公告)号：US20210257550A1

公开(公告)日：2021-08-19

申请号：US17056224

申请日：2019-06-26

Applicant: LG CHEM, LTD.

Inventor： Ki Kon LEE ,  Sang Duk SUH ,  Sujeong GEUM ,  Moung Gon KIM ,  Kyunghee KIM ,  Dong Hoon LEE ,  Tae Yoon PARK ,  Dongheon KIM ,  Woochul LEE

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

Abstract: Provided is a compound of Formula 1: wherein: Cy1 and Cy2 are each independently a substituted or unsubstituted hetero ring; R1 to R5 are the same as or different from each other, and are each independently hydrogen, deuterium, a halogen group, a cyano group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amino group, a silyl group, a boron group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group: n1 and n2 are each an integer from 0 to 4: n3 to n5 are each an integer from 0 to 3; and when n1 to n5 are each 2 or more, two or more substituents in the parenthesis are the same as or different from each other, and an organic light emitting device including the same.

公开(公告)号：US20200373496A1

公开(公告)日：2020-11-26

申请号：US16639055

申请日：2018-09-18

Applicant: LG CHEM, LTD.

Inventor： Woochul LEE ,  Ki Dong KOO ,  Ji Young CHOI ,  Young Seok KIM ,  Joo Ho KIM ,  Kongkyeom KIM ,  Dongheon KIM ,  Younghee LEE ,  Ki Kon LEE ,  Sujeong GEUM ,  Jung Min YOON

IPC: H01L51/00

Abstract: Provided is an organic light emitting device comprising an anode; a cathode; and a light emitting layer provided between the anode and the cathode, wherein the light emitting layer comprises a first host material comprising a compound of Chemical Formula A: a second host material including a compound of Chemical Formula B: and a dopant material comprising a compound of Chemical Formula C or D:

公开(公告)号：US20200181165A1

公开(公告)日：2020-06-11

申请号：US16642293

申请日：2018-10-22

Applicant: LG CHEM, LTD.

Inventor： Ki Dong KOO ,  Ki Kon LEE ,  Moung Gon KIM ,  Hyungjin LEE ,  Dongheon KIM ,  Kongkyeom KIM

IPC: C07D495/04 ,  C07D493/04 ,  C07D487/04 ,  C07D495/22 ,  C07D493/22 ,  C07C211/54 ,  H01L51/00

Abstract: Provided is a compound of Chemical Formula 1: and an organic light emitting device comprising the same.