公开(公告)号：US11937495B2

公开(公告)日：2024-03-19

申请号：US17270158

申请日：2019-08-07

Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION ,  KWANSEI GAKUIN EDUCATIONAL FOUNDATION ,  KYULUX, INC.

Inventor： Hajime Nakanotani ,  Takuji Hatakeyama ,  Yasuhiro Kondo ,  Yasuyuki Sasada ,  Motoki Yanai ,  Chin-Yiu Chan ,  Masaki Tanaka ,  Hiroki Noda ,  Chihaya Adachi ,  Yoshitake Suzuki ,  Naoto Notsuka

IPC: H10K85/30 ,  C07D209/86 ,  C07F5/02 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/322 ,  C07D209/86 ,  C07F5/027 ,  C09K11/06 ,  H10K85/6572 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1022 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic light-emitting device containing both a compound represented by the following general formula (1) and a compound represented by the following general formula (2) has a high light emission efficiency. The rings a to c each are a benzene ring that can be optionally condensed, R1 and R2 each represent a substituted or unsubstituted aryl group, etc., four of R31 to R35 each are a substituted or unsubstituted carbazol-9-yl group, but all of these four are not the same, and the remaining one is a hydrogen atom, a cyano group, etc.

公开(公告)号：US11101433B2

公开(公告)日：2021-08-24

申请号：US15036129

申请日：2014-11-12

Applicant: KYULUX, INC.

Inventor： Hiroyuki Tanaka ,  Hiroki Noda ,  Katsuyuki Shizu ,  Masatsugu Taneda ,  Chihaya Adachi

IPC: H01L51/00 ,  C07D403/14 ,  C09K11/06 ,  C07D403/10 ,  C09K11/02 ,  H01L51/50

Abstract: A light-emitting material containing a compound represented by the general formula (1) is capable of achieving an excellent external quantum efficiency on using in an organic light-emitting device. R1 to R8 represent a hydrogen atom or a substituent, provided that at least one of R1 to R8 represents a substituted or unsubstituted carbazolyl group; and Ar1 to Ar3 represent a substituted or unsubstituted aromatic ring or heteroaromatic ring.

公开(公告)号：US12089494B2

公开(公告)日：2024-09-10

申请号：US17270146

申请日：2019-06-13

Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION ,  KYULUX, INC.

Inventor： Hajime Nakanotani ,  Chihaya Adachi ,  Hiroki Noda ,  Yoshitake Suzuki ,  Naoto Notsuka ,  Hiroko Nomura ,  Ayataka Endo ,  Ping Kuen Daniel Tsang

IPC: H10K85/60 ,  C07D209/86 ,  C09K11/06 ,  H10K50/11 ,  H10K101/00 ,  H10K101/10

CPC classification number: H10K85/6572 ,  C07D209/86 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/10 ,  H10K2101/90

Abstract: An organic electroluminescent device having an anode, a cathode, and a light-emitting layer between the anode and the cathode, wherein the light-emitting layer contains at least a first organic compound, a second organic compound and a third organic compound satisfying the following formula (A), the second organic compound is a delayed fluorescent material, and the third organic compound is a light-emitting material, has a high light emission efficiency. Formula (A): ES1(A)>ES1(B)>ES1(C) wherein ES1(A), ES1(B) and ES1(C) each represent a lowest excited singlet energy level of the first organic compound, the second organic compound and the third organic compound, respectively.

公开(公告)号：US10043981B2

公开(公告)日：2018-08-07

申请号：US15671617

申请日：2017-08-08

Applicant: KYULUX, INC.

Inventor： Hiroki Noda ,  Masatsugu Taneda ,  Katsuyuki Shizu ,  Hiroyuki Tanaka ,  Chihaya Adachi

IPC: H01L51/00 ,  H01L51/50 ,  C07D417/14 ,  C09K11/06 ,  C07D209/88 ,  C07D417/10 ,  C07D403/10 ,  C07D403/14

CPC classification number: H01L51/0061 ,  C07D209/88 ,  C07D403/10 ,  C07D403/14 ,  C07D417/10 ,  C07D417/14 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1022 ,  C09K2211/1029 ,  C09K2211/1037 ,  C09K2211/1059 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/5012 ,  H01L51/5016

Abstract: A compound represented by the general formula (1) is useful as a light-emitting material. In the general formula (1), Ar1 to Ar3 each represent a substituted or unsubstituted aryl group, provided that at least one of Ar1 to Ar3 each represent a carbazolyl group having an N-position substituted with a group containing an electron withdrawing group.

公开(公告)号：US12120952B2

公开(公告)日：2024-10-15

申请号：US16488374

申请日：2018-02-23

Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION ,  KYULUX, INC.

Inventor： Hajime Nakanotani ,  Hiroki Noda ,  Chihaya Adachi ,  Naoto Notsuka ,  Yoshitake Suzuki

IPC: H10K85/60 ,  C07D209/86 ,  C09K11/06 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/6572 ,  C07D209/86 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/10

Abstract: Using a compound represented by a general formula (A)m-L-(D)n, a light-emitting device having a high emission efficiency can be provided. L is an (m+n)-valent aromatic linking group; A is a group having a positive Hammett's σp value; D is a group having a negative Hammett's σp value; m is an integer of 1 or more; n is an integer of 2 or more. Two of plural D's differ in point of the substituent condition at specific aromatic rings.

公开(公告)号：US10050215B2

公开(公告)日：2018-08-14

申请号：US15121461

申请日：2015-02-25

Applicant: KYULUX, INC.

Inventor： Masatsugu Taneda ,  Katsuyuki Shizu ,  Hiroyuki Tanaka ,  Hiroki Noda ,  Hajime Nakanotani ,  Chihaya Adachi

IPC: H01L51/00 ,  C07C255/58 ,  C07D209/86 ,  C09K11/06 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07C255/58 ,  C07D209/86 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  H01L51/0059 ,  H01L51/5012

Abstract: A compound represented by the general formula (1) is useful as a light-emitting material. R1, R3, and R5 each represent a cyano group, or R1, R2, R4, and R5 each represent a cyano group; and the others of R1 to R6 each represent a group represented by any one of the following general formula (4), etc.

公开(公告)号：US09773982B2

公开(公告)日：2017-09-26

申请号：US15124119

申请日：2015-03-04

Applicant: KYULUX, INC.

Inventor： Hiroki Noda ,  Masatsugu Taneda ,  Katsuyuki Shizu ,  Hiroyuki Tanaka ,  Chihaya Adachi

IPC: C07D209/88 ,  C07D403/10 ,  C07D417/10 ,  C07D417/14 ,  C07D403/14 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0061 ,  C07D209/88 ,  C07D403/10 ,  C07D403/14 ,  C07D417/10 ,  C07D417/14 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1022 ,  C09K2211/1029 ,  C09K2211/1037 ,  C09K2211/1059 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/5012 ,  H01L51/5016

Abstract: A compound represented by the general formula (1) is useful as a light-emitting material. In the general formula (1), Ar1 to Ar3 each represent a substituted or unsubstituted aryl group, provided that at least one of Ar1 to Ar3 each represent a carbazolyl group having an N-position substituted with a group containing an electron withdrawing group.