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：US11637244B2

公开(公告)日：2023-04-25

申请号：US16471231

申请日：2017-12-21

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

Inventor： Yan Geng ,  Chihaya Adachi ,  Hajime Nakanotani ,  Naoto Notsuka ,  Keiro Nasu

IPC: H01L51/00 ,  C09K11/06 ,  C09K11/02 ,  C07D401/10 ,  C07D251/24 ,  H01L51/50

Abstract: A compound represented by the following general formula is excellent in light emission properties. R1 and R2 each independently represent a fluorinated alkyl group, D represents a substituent in which Hammett's σp value is negative, and A represents a substituent in which Hammett's σp value is positive.

公开(公告)号：US11038118B2

公开(公告)日：2021-06-15

申请号：US16066814

申请日：2016-12-28

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

Inventor： Keiro Nasu ,  Chihaya Adachi ,  Hajime Nakanotani ,  Hiroko Nomura

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06 ,  C07D209/86 ,  H01L51/56 ,  H01L51/52

Abstract: A compound having a structure represented by the following general formula emits delayed fluorescent light and is useful as a light-emitting material. Three or more of R1, R2, R4, and R5 each represent a 9-carbazolyl group, a 10-phenoxazyl group, or a 10-phenothiazyl group, and the balance thereof and R3 each represent a hydrogen atom or a substituent, but exclude a cyano group. R3 excludes an aryl group, a heteroaryl group, and an alkynyl group.

公开(公告)号：US10381573B2

公开(公告)日：2019-08-13

申请号：US15039536

申请日：2014-11-27

Applicant: KYULUX, INC.

Inventor： Chihaya Adachi ,  Takuma Yasuda ,  Ryosuke Kondo ,  Masaki Numata ,  Jun-Yun Kim ,  Inseob Park

IPC: H01L51/00 ,  C07C255/58 ,  C07D265/38 ,  C07D209/86 ,  C09K11/06 ,  C07D219/14 ,  H01L51/50 ,  H01L51/52

Abstract: A compound represented by the general formula (1) is useful as a light-emitting material. In the general formula (1), from 0 to 1 of R3 to R5 represents a cyano group, from 1 to 5 of R1 to R5 represent a group represented by the general formula (2) etc., and the balance of R1 to R6 represent a hydrogen atom or a substituent other than above. R11 to R20 represent a hydrogen atom or a substituent, L12 represents a substituted or unsubstituted arylene group or a substituted or unsubstituted heteroarylene group.

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：US11450817B2

公开(公告)日：2022-09-20

申请号：US17071719

申请日：2020-10-15

Applicant: KYULUX, INC.

Inventor： Hajime Nakanotani ,  Chihaya Adachi ,  Takahiro Higuchi ,  Taro Furukawa

IPC: H01L51/00 ,  H01L51/50 ,  C09K11/06

Abstract: An organic electroluminescent device having an anode, a cathode, and a light emitting layer between the anode and the cathode, in which the light emitting layer contains a first organic compound, a second organic compound, and a third organic compound that satisfy the following expression (A), the second organic compound is a delayed fluorescent material, and the third organic compound is a light emitting material, is capable of enhancing the light emission efficiency. ES1(A), ES1(B) and ES1(C) represent a lowest singlet excitation energy level of the first, second and third organic compound, respectively. ES1(A)>ES1(B)>ES1(C)  (A)

公开(公告)号：US11322693B2

公开(公告)日：2022-05-03

申请号：US16471217

申请日：2017-12-20

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

Inventor： Masashi Mamada ,  Chihaya Adachi ,  Hajime Nakanotani ,  YuSeok Yang

IPC: H01L51/00 ,  C09K11/06 ,  H01L51/50

Abstract: Disclosed is an organic light-emitting device using a compound capable of emitting delayed fluorescence and capable of undergoing intramolecular hydron transfer. The compound includes, for example, a compound represented by the general formula. X1 to X3 each represent O or S; R1 to R6 each represent nH or a substituent; n, n1 to n3 each represent an integer of 1 to 3.

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：US11930654B2

公开(公告)日：2024-03-12

申请号：US18177516

申请日：2023-03-02

Applicant: KYULUX, INC.

Inventor： Toshinori Matsushima ,  Chihaya Adachi ,  Chuanjiang Qin ,  Sangarange Don Atula Sandanayaka ,  Fatima Bencheikh ,  Takeshi Komino

IPC: H10K50/135 ,  H10K50/17 ,  H10K85/30 ,  H10K102/00

CPC classification number: H10K50/135 ,  H10K50/17 ,  H10K50/171 ,  H10K85/30 ,  H10K2102/351

Abstract: An organic light-emitting device having a perovskite layer having a thickness of 50 nm or more has a low drive voltage and a high power efficiency, and can suppress interelectrode short-circuiting and current leakage.

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.