公开(公告)号：US20240057478A1

公开(公告)日：2024-02-15

申请号：US18258060

申请日：2021-12-16

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kazuki TERADA ,  Hisato MATSUMOTO ,  Keiichi YASUKAWA ,  Yuichiro KAWAMURA ,  Toshinari OGIWARA ,  Yuichi NISHIMAE

IPC: H10K85/60 ,  C07D495/04 ,  C09K11/06 ,  C07F5/02

CPC classification number: H10K85/657 ,  C07D495/04 ,  C09K11/06 ,  C07F5/027 ,  H10K85/658 ,  H10K50/11

Abstract: An organic electroluminescence device includes an anode, a cathode, and an emitting layer, in which the emitting layer contains a first compound represented by a formula (1) and a delayed fluorescent second compound represented by a formula (2), and singlet energy S1(M1) of the first compound and singlet energy S1(M2) of the second compound satisfy a relationship of Numerical Formula 1, S1(M2)>S1(M1) (Numerical Formula 1). In the formula, rings A, B, D, E, and F are each independently a cyclic structure selected from the group consisting of a substituted or unsubstituted aryl ring having 6 to 30 ring carbon atoms and a 10 substituted or unsubstituted heterocyclic ring having 5 to 30 ring atoms; one or both of the rings B and D are present; and one or both of the rings E and F are present

公开(公告)号：US20230033529A1

公开(公告)日：2023-02-02

申请号：US17345427

申请日：2021-06-11

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Takushi SHIOMI ,  Hisato MATSUMOTO ,  Hiromi NAKANO ,  Toshinari OGIWARA

IPC: H01L51/00 ,  C07D498/04 ,  C09K11/06

Abstract: An organic EL device includes: an anode, a cathode, and an emitting layer, in which the emitting layer contains a first compound of a formula (1), a second compound of a formula (2), and a third compound that exhibits delayed fluorescence, and singlet energies S1 of the first compound, the second compound, and the third compound satisfy Numerical Formula 1 and Numerical Formula 2. In the formula (1), A represents a group of a formula (a1) or the like, L represents a linking group or the like, and B represents an aryl group or the like. The first compound of the formula (1) has no carbonyl group. In the formula (2), Y21 to Y26 each independently represent an N atom, CRA, or the like. RA represents a substituent, a group of a formula (2A), or the like.

公开(公告)号：US20220380387A1

公开(公告)日：2022-12-01

申请号：US17764778

申请日：2021-01-22

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Takushi SHIOMI ,  Keiichi YASUKAWA ,  Hiromi NAKANO ,  Toshinari OGIWARA

IPC: C07F5/02 ,  C07D493/04 ,  C07C211/54 ,  C07C15/20 ,  C07D209/82 ,  C07D405/10 ,  C07D491/048 ,  C07D409/10 ,  C07D405/14 ,  C07F7/08 ,  C07D403/14 ,  C07D409/14 ,  C07D487/04 ,  C07D471/04 ,  C07D409/04 ,  C07D401/14 ,  C07D251/24 ,  C07D403/04 ,  C07D403/10 ,  C07D333/76 ,  C07D307/91 ,  C07D235/08 ,  C07F9/53 ,  C07C13/72 ,  C07D519/00 ,  C07D487/14 ,  C07D495/04 ,  C07C15/38 ,  C07D413/10 ,  C07D491/147 ,  C07D413/14 ,  C07D495/14 ,  C07D401/04 ,  C07D487/16 ,  C07D241/46 ,  H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescence device includes an anode, a cathode, and an emitting layer disposed between the anode and the cathode. The emitting layer comprises a delayed fluorescent compound M2 having at least one deuterium atom and a compound M3 having at least one deuterium atom. A singlet energy S1(M2) of the compound M2 and a singlet energy S1(M3) of the compound M3 satisfy the relationship S1(M3)>S1(M2).

公开(公告)号：US20190337872A1

公开(公告)日：2019-11-07

申请号：US16348070

申请日：2017-11-09

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Masatoshi SAITO ,  Kei YOSHIDA ,  Yuichiro KAWAMURA ,  Toshinari OGIWARA ,  Kei YOSHIZAKI

IPC: C07C13/62 ,  C07C255/50 ,  C07D209/82 ,  C07D333/76 ,  C07D307/91 ,  C07D409/04 ,  H01L51/50 ,  H01L51/00

Abstract: A compound is represented by a formula (20) below. In the formula (20), a least one pair of a pair of X21 and X22, a pair of X22 and X23 and a pair of X23 and X24 are carbon atoms to be bonded to the structure represented by the formula (20a),

公开(公告)号：US20190019972A1

公开(公告)日：2019-01-17

申请号：US16134633

申请日：2018-09-18

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kazuki NISHIMURA ,  Toshinari OGIWARA ,  Kumiko HIBINO ,  Tetsuya INOUE ,  Mitsunori ITO

IPC: H01L51/50 ,  C07D401/14 ,  C07F7/08 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C07D471/04 ,  C07D487/04 ,  C07D491/048 ,  H01L51/00 ,  H05B33/10 ,  C07D401/10 ,  C09K11/06 ,  C07D403/10

Abstract: The organic electroluminescence device includes an anode, a cathode, and at least an emitting layer between the anode and the cathode. The emitting layer includes a first host material, a second host material, and a phosphorescent dopant material. The first host material is a compound represented by a formula (1) below and the second host material is a compound represented by a formula (2) below.

公开(公告)号：US20180051204A1

公开(公告)日：2018-02-22

申请号：US15546215

申请日：2016-02-02

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Toshinari OGIWARA ,  Yuichiro KAWAMURA

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

CPC classification number: C09K11/06 ,  C09K11/025 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1018 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/008 ,  H01L51/5028 ,  H01L51/5056 ,  H01L51/5072 ,  H01L2251/55 ,  H01L2251/552

Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound and a second compound, the first compound is a delayed fluorescent compound, the second compound is a fluorescent compound, an emission quantum efficiency of the first compound is 70% or less, and an ionization potential Ip1 of the first compound and an ionization potential Ip2 of the second compound satisfy a relationship of 0≦Ip2−Ip1≦0.8 eV.

公开(公告)号：US20160301014A1

公开(公告)日：2016-10-13

申请号：US14909946

申请日：2015-08-24

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuichiro KAWAMURA ,  Toshinari OGIWARA ,  Ryohei HASHIMOTO

IPC: H01L51/00 ,  C09K11/06

CPC classification number: H01L51/0072 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1022 ,  C09K2211/1048 ,  C09K2211/1051 ,  C09K2211/1088 ,  H01L51/005 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0073 ,  H01L51/0094 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5028 ,  H01L51/5056 ,  H01L51/5072 ,  H01L2251/5384 ,  H05B33/14 ,  H05B33/20

Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound, a second compound and a third compound. The first compound is a delayed fluorescent compound. The first compound has an energy gap T77K at 77 [K] larger than an energy gap T77K at 77 [K] of the second compound. The third compound has an energy gap T77K at 77 [K] larger than the energy gap T77K at 77 [K] of the second compound. The second compound has a fused ring structure represented by a formula (2) below and has eight or less rings in total.

Abstract translation: 一种包含正极，发光层和负极的有机电致发光元件。 发光层含有第一化合物，第二化合物和第三化合物。 第一种化合物是延迟的荧光化合物。 77（K）时第一化合物的能隙T77K大于77（K）时第二化合物的能隙T77K，第三化合物在77（K）的能隙T77K大于能隙 在77（K）下第二化合物的T77K。 第二化合物是由通式（2）表示的化合物，并且具有总共具有8个或更少环的稠环结构。

公开(公告)号：US20160172602A1

公开(公告)日：2016-06-16

申请号：US14908048

申请日：2015-06-19

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Toshinari OGIWARA ,  Kei YOSHIDA ,  Satomi TASAKI

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

CPC classification number: H01L51/0071 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1059 ,  C09K2211/1088 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5004 ,  H01L51/5012 ,  H01L2251/5384 ,  H01L2251/552

Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound, a second compound and a third compound. The first compound is a compound represented by a formula (1) below. The second compound has a larger singlet energy than a singlet energy of the first compound. The third compound is a fluorescent compound.

Abstract translation: 有机电致发光器件包括阳极，发光层和阴极，其中发光层包括第一化合物，第二化合物和第三化合物。 第一化合物是由下式（1）表示的化合物。 第二化合物具有比第一化合物的单重态能更大的单重态能量。 第三化合物是荧光化合物。

公开(公告)号：US20150340623A1

公开(公告)日：2015-11-26

申请号：US14758118

申请日：2013-12-27

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Masahiro KAWAMURA ,  Yumiko MIZUKI ,  Toshinari OGIWARA ,  Hitoshi KUMA

IPC: H01L51/00

CPC classification number: H01L51/0067 ,  C07D219/06 ,  C07D403/10 ,  C07D413/10 ,  C07D491/048 ,  C09B19/00 ,  C09B21/00 ,  C09B57/00 ,  C09B69/008 ,  C09K11/06 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1092 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0094 ,  H01L51/5012 ,  H01L51/5024 ,  H01L51/5206 ,  H01L51/5221 ,  H01L2251/5384 ,  H01L2251/562

Abstract: An organic electroluminescence device includes an anode, a cathode and an emitting layer, in which the emitting layer includes a first compound and a second compound and each of the first compound and the second compound is a compound emitting thermally activated delayed fluorescence.

Abstract translation: 有机电致发光器件包括阳极，阴极和发光层，其中发光层包括第一化合物和第二化合物，并且第一化合物和第二化合物中的每一个都是发射热激活延迟荧光的化合物。

公开(公告)号：US20240324455A1

公开(公告)日：2024-09-26

申请号：US18668609

申请日：2024-05-20

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Takushi SHIOMI ,  Toshinari OGIWARA ,  Hiromi NAKANO

IPC: H10K85/60 ,  C07D209/86 ,  C07D405/10 ,  C07D405/14 ,  C07D491/048 ,  C07D495/04 ,  C09K11/06 ,  H10K50/11

CPC classification number: H10K85/6572 ,  C07D209/86 ,  C07D405/10 ,  C07D405/14 ,  C07D491/048 ,  C07D495/04 ,  C09K11/06 ,  H10K85/654 ,  H10K85/657 ,  H10K85/6574 ,  C07B2200/05 ,  C09K2211/1018 ,  H10K50/11

Abstract: A compound may include a partial structures of formula (3-1A), (32h), and (3-11B) in one molecule,




R300 to R306 being independently H or a substituent, or adjacent pair(s) form a ring, at least one of R301 to R306 is a single bond to another atom/structure in the molecule, and one of R301 to R306 is a single bond to the partial structure of formula (32h), X30 is N bonded to the partial structure of formula (3-1A), Y41 to Y48 are independently CR32, or C bonded to another atom/structure in the molecule, at least one of Y41 to Y48 is C bonded to the partial structure of formula (3-11B), R32 are independently H or a substituent, or pair(s) of adjacent R32 are bonded to form a ring, and at least one R32 is independently a single bond to another atom/structure in the molecule.