公开(公告)号：US20240260300A1

公开(公告)日：2024-08-01

申请号：US18288149

申请日：2022-04-26

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Tasuku HAKETA ,  Hiroaki TOYOSHIMA

IPC: H10K50/15 ,  H10K85/60 ,  H10K101/40

CPC classification number: H10K50/156 ,  H10K85/624 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/6572 ,  H10K2101/40

Abstract: An organic EL device includes: an anode; a cathode; an emitting region; and a hole transporting zone, in which the emitting region includes a first emitting layer containing a first host material and a first emitting compound and a second emitting layer containing a second host material and a second emitting compound; the first emitting layer is disposed close to the anode; the hole transporting zone includes a first organic layer that is in direct contact with the first emitting layer; the first organic layer contains a hole transporting zone material; a triplet energy of the first host material T1(H1) and a triplet energy of the second host material T1(H2) satisfy a relationship of a numerical formula (Numerical Formula 1) below, and an affinity value of the hole transporting zone material Af(cHT) is less than 1.47 eV,









T
1

(

H
⁢
1

)

>



T
1

(

H
⁢
2

)

.





(

Numerical
⁢

Formula
⁢

1

)

公开(公告)号：US20240122064A1

公开(公告)日：2024-04-11

申请号：US18262349

申请日：2022-01-21

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hiroaki TOYOSHIMA ,  Kazuki NISHIMURA ,  Tetsuya MASUDA ,  Satomi TASAKI ,  Emiko KAMBE

IPC: H10K85/60

CPC classification number: H10K85/626 ,  H10K85/615 ,  H10K85/622 ,  H10K85/636 ,  H10K85/6574 ,  H10K85/658 ,  H10K50/11

Abstract: An organic EL device includes a first emitting layer and a second emitting layer, in which the first emitting layer contains a first host material, the second emitting layer contains a second host material, the first host material and the second host material are mutually different, the first emitting layer contains at least a first emitting compound that emits light with a maximum peak wavelength of 453 nm or less, the second emitting layer contains at least a second emitting compound that emits light with a maximum peak wavelength of 500 nm or less, the first emitting compound and the second emitting compound are mutually the same or different, and the triplet energy T1(H1) of the first host material and the triplet energy T1(H2) of the second host material satisfy a relationship of a numerical formula (Numerical Formula 1) below,


T1(H1)>T1(H2)  (Numerical Formula 1).

公开(公告)号：US20220393113A1

公开(公告)日：2022-12-08

申请号：US17860631

申请日：2022-07-08

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Kazuki NISHIMURA ,  Hiroaki TOYOSHIMA

IPC: H01L51/00

Abstract: An organic electroluminescence device includes two or more emitting units disposed between an anode and a cathode, and an intermediate layer, in which the intermediate layer contains a phenanthroline compound, the laminated emitting unit includes a first emitting layer containing a first host material and a second emitting layer containing a second host material, and a triplet energy T1(H1) of the first host material and a triplet energy T1(H2) of the second host material satisfy a relationship of a numerical formula (Numerical Formula 3), T1(H1)>T1(H2)  (Numerical Formula 3).

公开(公告)号：US20220310933A1

公开(公告)日：2022-09-29

申请号：US17655278

申请日：2022-03-17

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Michelle GROARKE ,  Heinz WOLLEB ,  Natalia CHEBOTAREVA ,  Hiroaki TOYOSHIMA ,  Masatoshi SAITO

IPC: H01L51/00 ,  C07D401/10 ,  C09K11/06 ,  C07D471/04

Abstract: An organic electroluminescence device comprising an electron-transporting zone comprising
i) at least one compound represented by formula (I), and
ii) at least one rare earth metal, rare earth metal compound, and/or rare earth metal complex, wherein the electron-transporting zone does not comprise an alkali metal, an alkali metal compound, an alkali metal complex, an alkaline earth metal, an alkaline earth metal compound, and an alkaline earth metal complex; a material for an organic electroluminescence device comprising a combination of at least one compound of formula (I) and at least one rare earth metal, rare earth metal compound, and/or rare earth metal complex; an organic electroluminescence device comprising said organic electroluminescence device and the use of a compound of formula (I) in combination with at least one rare earth metal, rare earth metal compound, and/or rare earth metal complex, in an electron-transporting zone of an organic electroluminescence device, wherein the electron-transporting zone does not comprise an alkali metal, an alkali metal compound, an alkali metal complex, an alkaline earth metal, an alkaline earth metal compound, and an alkaline earth metal complex.

公开(公告)号：US20160190477A1

公开(公告)日：2016-06-30

申请号：US14911235

申请日：2014-08-08

Applicant: IDEMITSU KOSAN CO., LTD. ,  SONY CORPORATION

Inventor： Hironori KAWAKAMI ,  Masakazu FUNAHASHI ,  Tadahiko YOSHINAGA ,  Hiroaki TOYOSHIMA

IPC: H01L51/00 ,  C09K11/02

CPC classification number: H01L51/0072 ,  C07D209/14 ,  C07D209/86 ,  C07D209/94 ,  C07D251/24 ,  C07D307/91 ,  C07D333/76 ,  C07D401/10 ,  C07D403/04 ,  C07D403/10 ,  C07D403/14 ,  C07D405/10 ,  C07D405/12 ,  C07D405/14 ,  C07D409/10 ,  C07D409/14 ,  C07D413/04 ,  C07D471/04 ,  C07D471/14 ,  C07D487/04 ,  C07D491/048 ,  C07D513/04 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/185 ,  H01L51/0067 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/5384

Abstract: An organic electroluminescence composition including two or more compounds each having a specific structure combining a hole transporting ability and an electron transporting ability; an organic electroluminescence composition including one or more compounds each having a specific structure combining a hole transporting ability and an electron transporting ability and a different compound having an electron transporting skeleton; and a material for organic electroluminescence devices, a solution of a material for organic electroluminescence devices and an organic electroluminescence device, each including the aromatic heterocyclic derivative.

Abstract translation: 一种包含两种或更多种具有结合空穴传输能力和电子传输能力的特定结构的化合物的有机电致发光组合物; 包含一种或多种具有结合空穴传输能力和电子传输能力的特定结构的化合物和具有电子传输骨架的不同化合物的有机电致发光组合物; 以及有机电致发光元件用材料，有机电致发光元件用有机电致发光元件的有机电致发光元件的溶液。