公开(公告)号：US20220285620A1

公开(公告)日：2022-09-08

申请号：US17750433

申请日：2022-05-23

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoki KATO ,  Takayasu SADO ,  Takahiro FUJIYAMA

IPC: H01L51/00 ,  C09B11/04 ,  C09B57/00 ,  C07D333/76 ,  C07C211/61 ,  C07D307/91 ,  C07C255/58 ,  C07D405/12 ,  C07D409/12 ,  C07C217/80 ,  C07C217/92 ,  C07D209/86 ,  C09K11/06

Abstract: An aromatic amine derivative represented by formula (1): wherein R1, R2, R3, L, Ar1, Ar2, k, m, and n are the same as defined in the specification, is useful as a material for an organic EL device and realizes an organic EL device with a high efficiency and a long lifetime even when driving it at a low voltage.

公开(公告)号：US20200321526A1

公开(公告)日：2020-10-08

申请号：US16903952

申请日：2020-06-17

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoki KATO ,  Takayasu SADO ,  Takahiro FUJIYAMA

IPC: H01L51/00 ,  C09B11/04 ,  C09B57/00 ,  C07D333/76 ,  C07C211/61 ,  C07D307/91 ,  C07C255/58 ,  C07D405/12 ,  C07D409/12 ,  C07C217/80 ,  C07C217/92 ,  C07D209/86 ,  C09K11/06

Abstract: An aromatic amine derivative represented by formula (1): wherein R1, R2, R3, L, Ar1, Ar2, k, m, and n are the same as defined in the specification, is useful as a material for an organic EL device and realizes an organic EL device with a high efficiency and a long lifetime even when driving it at a low voltage.

公开(公告)号：US20140084270A1

公开(公告)日：2014-03-27

申请号：US13967651

申请日：2013-08-15

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoki KATO ,  Takayasu SADO

IPC: H01L51/00

CPC classification number: H01L51/0067 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L2251/308 ,  H01L2251/5384 ,  H05B33/14

Abstract: An organic electroluminescence device includes an anode, a cathode, a first organic layer and an emitting layer including a luminescent material, in which the first organic layer and the emitting layer are interposed between the anode and the cathode in this sequence from the anode. The emitting layer contains a first material represented by the following formula (1-1) and a second material. The first organic layer contains a compound represented by the following formula (4).

Abstract translation: 有机电致发光器件包括阳极，阴极，第一有机层和包括发光材料的发光层，其中第一有机层和发光层以该顺序从阳极插入在阳极和阴极之间。 发光层含有由下式（1-1）表示的第一材料和第二材料。 第一有机层包含由下式（4）表示的化合物。

公开(公告)号：US20220285627A1

公开(公告)日：2022-09-08

申请号：US17748108

申请日：2022-05-19

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Sayaka MIZUTANI ,  Takayasu SADO

IPC: H01L51/00 ,  C07D405/14 ,  C07D405/10 ,  C07D409/10 ,  C07D409/14 ,  H01L51/50 ,  C09K11/02 ,  C09K11/06

Abstract: An organic EL device includes an anode, an emitting layer, an electron transporting zone and a cathode in this sequence, in which the electron transporting zone contains an aromatic heterocyclic derivative represented by a formula (1) below. In the formula (1), X1 to X3 are a nitrogen atom or CR1, and A is represented by a formula (2) below. In the formula (2), L1 is s single bond or a linking group, and HAr is represented by a formula (3) below. In the formula (3), Y1 is an oxygen atom, a sulfur atom or the like, and one of X11 to X18 is a carbon atom bonded to L1 by a single bond and the rest of X11 to X18 are a nitrogen atom or CR13.

公开(公告)号：US20210013439A1

公开(公告)日：2021-01-14

申请号：US16759788

申请日：2018-11-01

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Takayasu SADO ,  Tetsuya MASUDA ,  Yoshiaki TAKAHASHI ,  Emiko KAMBE

IPC: H01L51/50 ,  H01L51/00

Abstract: A top emission organic EL device includes an anode, hole transporting zone, emitting layer, electron transporting zone, and cathode in this order. The hole transporting zone includes: a first layer interposed between the anode and the emitting layer; and a second layer interposed between the first layer and the emitting layer. The first layer contains a first compound and the second layer contains a second compound. A film thickness of the first layer and the second layer satisfies a formula (1) and (2), respectively. A hole mobility μH1 of the first compound satisfies a formula (3) and a hole mobility μH2 of the second compound satisfies a formula (4), 100 nm≤d1≤300 nm  (1) 1 nm≤d2≤20 nm  (2) 1.0×10−4 [cm2/Vs]≤μH1≤1.0×10−1 [cm2/Vs]  (3) 1.0×10−10 [cm2/Vs]≤μH2≤1.0×10−6 [cm2/Vs]  (4).

公开(公告)号：US20180123043A1

公开(公告)日：2018-05-03

申请号：US15854404

申请日：2017-12-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoki KATO ,  Takayasu SADO ,  Takahiro FUJIYAMA

IPC: H01L51/00 ,  C07C211/61 ,  C09B57/00 ,  C07C217/92 ,  C07C255/58 ,  C07D209/86 ,  C07D307/91 ,  C07D333/76 ,  C07D405/12 ,  C07D409/12 ,  C09B11/04 ,  C09K11/06 ,  C07C217/80 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L51/006 ,  C07C211/61 ,  C07C217/80 ,  C07C217/92 ,  C07C255/58 ,  C07C2603/18 ,  C07D209/86 ,  C07D307/91 ,  C07D333/76 ,  C07D405/12 ,  C07D409/12 ,  C09B11/04 ,  C09B57/00 ,  C09B57/008 ,  C09K11/06 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0061 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5088 ,  H01L51/5206 ,  H01L51/5221

Abstract: An aromatic amine derivative represented by formula (1): wherein R1, R2, R3, L, Ar1, Ar2, k, m, and n are the same as defined in the specification, is useful as a material for an organic EL device and realizes an organic EL device with a high efficiency and a long lifetime even when driving it at a low voltage.

公开(公告)号：US20250040433A1

公开(公告)日：2025-01-30

申请号：US18906774

申请日：2024-10-04

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Sayaka MIZUTANI ,  Takayasu SADO

IPC: H10K85/60 ,  C07D405/10 ,  C07D405/14 ,  C07D409/10 ,  C07D409/14 ,  C09K11/02 ,  C09K11/06 ,  H10K50/11 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40 ,  H10K102/00 ,  H10K102/10

Abstract: An organic EL device includes an anode, an emitting layer, an electron transporting zone and a cathode in this sequence, in which the electron transporting zone contains an aromatic heterocyclic derivative represented by a formula (1) below. In the formula (1), X1 to X3 are a nitrogen atom or CR1, and A is represented by a formula (2) below. In the formula (2), L1 is s single bond or a linking group, and HAr is represented by a formula (3) below. In the formula (3), Y1 is an oxygen atom, a sulfur atom or the like, and one of X11 to X18 is a carbon atom bonded to L1 by a single bond and the rest of X11 to X18 are a nitrogen atom or CR13.

公开(公告)号：US20240292750A1

公开(公告)日：2024-08-29

申请号：US18289745

申请日：2022-05-11

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yu KUDO ,  Tetsuya MASUDA ,  Hiroaki ITOI ,  Shintaro BAN ,  Takayasu SADO ,  Satomi TASAKI ,  Taro YAMAKI ,  Ryota TAKAHASHI ,  Takamoto MORITA

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

CPC classification number: H10K85/6574 ,  C09K11/06 ,  H10K85/615 ,  H10K85/622 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/90

Abstract: An organic electroluminescence device includes an emitting layer, in which the emitting layer includes at least one single layer containing a first host material, a second host material, and an emitting compound; the first host material and the second host material are mutually different; and a triplet energy of the first host material T1(H1), a triplet energy of the second host material T1(H2), and a triplet energy of the emitting compound T1(D) satisfy at least one of a relationship of a numerical formula (Numerical Formula 1) or a relationship of a numerical formula (Numerical Formula 2) below,


T1(D)>T1(H1)  (Numerical Formula 1)



T1(D2)>T1(H2)  (Numerical Formula 2).

公开(公告)号：US20160197289A1

公开(公告)日：2016-07-07

申请号：US14653722

申请日：2013-10-08

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Takayasu SADO ,  Sayaka MIZUTANI

IPC: H01L51/00

CPC classification number: H01L51/0072 ,  C07D251/24 ,  C07D401/10 ,  C07D401/14 ,  C07D403/10 ,  C07D403/14 ,  C07D405/10 ,  C07D405/14 ,  C07D409/10 ,  C07D409/14 ,  C07D471/04 ,  C07D471/06 ,  C07D487/04 ,  C07D487/06 ,  C07D487/16 ,  C07D491/048 ,  C07D491/22 ,  C07D498/06 ,  C07D513/06 ,  C07D519/00 ,  C07F7/0816 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5072 ,  H01L51/5076 ,  H01L51/508 ,  H01L51/5278

Abstract: An organic electroluminescence device includes: an anode; a cathode opposite the anode; and an organic layer interposed between the anode and the cathode, in which the organic layer includes: an emitting layer; and a first electron transporting layer and a second electron transporting layer which are provided on a side of the emitting layer near the cathode. The first electron transporting layer includes a compound represented by a formula (1) below, and the second electron transporting layer includes a compound represented by a formula (2) below.

Abstract translation: 有机电致发光器件包括：阳极; 与阳极相对的阴极; 以及介于阳极和阴极之间的有机层，其中有机层包括：发光层; 以及设置在阴极附近的发光层侧的第一电子传输层和第二电子传输层。 第一电子传输层包括由下式（1）表示的化合物，第二电子传输层包括由下式（2）表示的化合物。

公开(公告)号：US20250008837A1

公开(公告)日：2025-01-02

申请号：US18815138

申请日：2024-08-26

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Sayaka MIZUTANI ,  Takayasu SADO

IPC: H10K85/60 ,  C07D405/10 ,  C07D405/14 ,  C07D409/10 ,  C07D409/14 ,  C09K11/02 ,  C09K11/06 ,  H10K50/11 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40 ,  H10K102/00 ,  H10K102/10

Abstract: An organic EL device includes an anode, an emitting layer, an electron transporting zone and a cathode in this sequence, in which the electron transporting zone contains an aromatic heterocyclic derivative represented by a formula (1) below. In the formula (1), X1 to X3 are a nitrogen atom or CR1, and A is represented by a formula (2) below. In the formula (2), L1 is s single bond or a linking group, and HAr is represented by a formula (3) below. In the formula (3), Y1 is an oxygen atom, a sulfur atom or the like, and one of X11 to X18 is a carbon atom bonded to L1 by a single bond and the rest of X11 to X18 are a nitrogen atom or CR13. (HAr)a-L1-  (2)