公开(公告)号：US20210143341A1

公开(公告)日：2021-05-13

申请号：US16765681

申请日：2019-07-24

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Keiichi YASUKAWA ,  Shota SAWANO ,  Keiji OKINAKA ,  Toshinari OGIWARA ,  Takushi SHIOMI

IPC: H01L51/00 ,  C09K11/06 ,  C09K11/02 ,  C07D491/048 ,  C07D209/94 ,  C07D495/04

Abstract: A compound is represented by one of formulae (11) to (13). R1 to R4 each independently represent a group represented by a formula (1-1) or the like, or a group represented by a formula (2-1), a group represented by a formula (2-2) or the like. At least one of R1 to R4 is the group represented by the formula (1-1) or the like. At least one of R1 to R4 is the group represented by the formula (2-1), (2-2) or the like. For instance, X1 represents an oxygen atom, a sulfur atom, or CR151R152, R101 to R110 and R151 and R152 each independently representing a hydrogen atom or a substituent. For instance, R161 to R168 and R171 and R180 each independently represent a hydrogen atom or a substituent. * each independently represents a bonding position to a carbon atom in a benzene ring in each of formulae (11) to (13):

公开(公告)号：US20200321540A1

公开(公告)日：2020-10-08

申请号：US16321642

申请日：2017-08-09

Applicant: IDEMITSU KOSAN CO. LTD.

Inventor： Kei YOSHIZAKI ,  Toshinari OGIWARA

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescence device includes an anode, an emitting layer, and a cathode. The emitting layer contains a first compound, a second compound, and a third compound. An ionization potential Ip1 of the first compound and an ionization potential Ip2 of the second compound satisfy a relationship represented by a numerical expression (Numerical Expression 1) below. The first compound is a delayed fluorescent compound. The second compound is a fluorescent compound. The third compound has an electron mobility of 1×10−8 cm2/(V·s) or more. 0≤Ip2−Ip1≤0.8 [eV]  (Numerical Expression 1)

公开(公告)号：US20170162817A1

公开(公告)日：2017-06-08

申请号：US15438978

申请日：2017-02-22

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Toshinari OGIWARA ,  Yukitoshi JINDE

IPC: H01L51/50

CPC classification number: H01L51/504 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0068 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5044 ,  H01L2251/5376 ,  H01L2251/5384 ,  H01L2251/552

Abstract: An organic electroluminescence device includes a pair of electrodes and an organic compound layer interposed therebetween. The organic compound layer includes a plurality of emitting layers at least including a first emitting layer and a second emitting layer. The first emitting layer contains a first host material and a fluorescent first luminescent material. The second emitting layer contains a second luminescent material that is different from the first luminescent material. A difference ΔST(H1) between singlet energy EgS(H1) of the first host material and an energy gap Eg77K(H1) at 77[K] of the first host material satisfies a specific relationship. One of the first luminescent material and the second luminescent material has a main peak wavelength from 400 nm to less than 500 nm and the other of the first luminescent material and the second luminescent material has a main peak wavelength from 500 nm to 700 nm.

公开(公告)号：US20170149007A1

公开(公告)日：2017-05-25

申请号：US15422054

申请日：2017-02-01

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Toshinari OGIWARA ,  Chishio HOSOKAWA

IPC: H01L51/50 ,  C09K11/06 ,  C07D403/14 ,  C09K11/02 ,  H01L51/00 ,  C07D401/14

Abstract: An organic EL device includes a pair of electrodes and an organic compound layer between pair of electrodes. The organic compound layer includes an emitting layer including a first material and a second material. The second material is a fluorescent material. Singlet energy EgS(H) of the first material and singlet energy EgS(D) of the second material satisfy a relationship of the following formula (1). The first material satisfies a relationship of the following formula (2) in terms of a difference ΔST(H) between the singlet energy EgS(H) and an energy gap Eg77K(H) at 77K. EgS(H)>EgS(D)  (1) ΔST(H)=EgS(H)−Eg77K(H)

公开(公告)号：US20160211462A1

公开(公告)日：2016-07-21

申请号：US14908060

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 ,  C09K11/02 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1048 ,  C09K2211/1059 ,  C09K2211/1088 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072

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 compound represented by a formula (1) below and the second 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和第二化合物。 第一化合物是由下式（1）表示的化合物，第二化合物是荧光化合物。

公开(公告)号：US20160197286A1

公开(公告)日：2016-07-07

申请号：US14650821

申请日：2013-12-10

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Masahiro KAWAMURA ,  Hitoshi KUMA ,  Toshinari OGIWARA ,  Satomi TASAKI ,  Yumiko MIZUKI ,  Kazuki NISHIMURA ,  Tomoharu HAYAMA

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

CPC classification number: H01L51/0067 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/005 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5012 ,  H05B33/14

Abstract: An organic electroluminescence device includes: an anode; a cathode; and a single- or multi-layer organic layer interposed between the anode and the cathode. The organic layer includes at least one emitting layer containing a dopant material represented by a formula below. In the formula, X1 to X5 each independently represent CR1 or a nitrogen atom, at least one of X1 to X5 is a nitrogen atom, L1 represents a divalent aromatic hydrocarbon group or a divalent heterocyclic group, A and B each independently represents a cyclic structure, at least one of the cyclic structure A and the cyclic structure B has a substituent, and R1 represents an aryl group, alkyl group or the like.

Abstract translation: 有机电致发光器件包括：阳极; 阴极 以及介于阳极和阴极之间的单层或多层有机层。 有机层包括至少一个包含由下式表示的掺杂剂材料的发射层。 式中，X 1〜X 5各自独立地表示CR 1或氮原子，X 1〜X 5中的至少一个为氮原子，L 1表示二价芳香族烃基或二价杂环基，A和B各自独立地表示环状结构 环状结构A和环状结构B中的至少一个具有取代基，R 1表示芳基，烷基等。

公开(公告)号：US20150228912A1

公开(公告)日：2015-08-13

申请号：US14692010

申请日：2015-04-21

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Tetsuya INOUE ,  Mitsunori ITO ,  Kei YOSHIDA ,  Kumiko HIBINO ,  Kazuki NISHIMURA ,  Toshinari OGIWARA ,  Kiyoshi IKEDA

IPC: H01L51/00 ,  C07D401/14 ,  H01L51/50 ,  C07D403/14

CPC classification number: H01L51/0072 ,  C07D209/82 ,  C07D401/14 ,  C07D403/14 ,  C09B57/00 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  H01L51/0067 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5024 ,  H01L51/5076 ,  H01L51/5092 ,  H01L2251/5384 ,  H05B33/20 ,  Y10S428/917

Abstract: A biscarbazole derivative of the invention is represented by a formula (1) below. In the formula (1): A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; A2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; X1 and X2 each are a linking group; Y1 to Y4 each represent a substituent; p and q represent an integer of 1 to 4; and r and s represent an integer of 1 to 3.

公开(公告)号：US20130240858A1

公开(公告)日：2013-09-19

申请号：US13875844

申请日：2013-05-02

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kazuki NISHIMURA ,  Yuichiro KAWAMURA ,  Toshinari OGIWARA ,  Hitoshi KUMA ,  Kenichi FUKUOKA ,  Chishio HOSOKAWA

IPC: H01L51/50

CPC classification number: H01L51/5016 ,  C09B1/00 ,  C09B57/00 ,  C09B57/10 ,  H01L27/3211 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5048 ,  H01L2251/552

Abstract: An organic electroluminescence device including opposite anode and cathode, and a hole-transporting region, an emitting layer and an electron-transporting region in sequential order from the anode between the anode and the cathode, wherein the emitting layer includes a red emitting portion, a green emitting portion, and a blue emitting portion; the blue emitting portion includes a host BH and a fluorescent dopant FBD; the triplet energy ETfbd of the fluorescent dopant FBD is larger than the triplet energy ETbh of the host BH; the green emitting portion includes a host GH and a phosphorescent dopant PGD; the electron-transporting region includes a common electron-transporting layer adjacent to the red emitting portion, the green emitting portion and the blue emitting portion; the common electron-transporting layer includes a material having a triplet energy ETel larger than ETbh; and the difference between the affinity of the host GH and the affinity of the material constituting the common electron-transporting layer is 0.4 eV or less.

Abstract translation: 一种从阳极和阴极之间的阳极依次依次包括相对的阳极和阴极以及空穴传输区，发光层和电子传输区的有机电致发光器件，其中发光层包括红色发射部分， 绿色发光部分和蓝色发光部分; 蓝色发光部分包括主体BH和荧光掺杂剂FBD; 荧光掺杂剂FBD的三重态能量ETfbd大于主体BH的三线态能量ETbh; 绿色发光部分包括主体GH和磷光掺杂剂PGD; 电子传输区域包括与红色发射部分，绿色发射部分和蓝色发射部分相邻的公共电子传输层; 共同的电子传输层包括具有大于ETbh的三线态能量ETel的材料; 并且主体GH的亲和性与构成公共电子传输层的材料的亲和性之间的差为0.4eV以下。

公开(公告)号：US20240306499A1

公开(公告)日：2024-09-12

申请号：US18668344

申请日：2024-05-20

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Takishi 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 partial structures of formula (3-11B) and (31a), mutually bonded in one molecule:




R314 being a single bond bonded to * in formula (31a), R300 being independently H or a substituent, or at least one of adjacent pairs of R300 are mutually bonded to form a ring, or R300 is a single bond bonded to another atom/structure in the molecule, one or more R300 is H, at least one of H being D, Y12 to Y16 being independently N, CR31, or C bonded to another atom/structure in the molecule, 1 to 3 of Y12 to Y16 being N, and R31 independently being H or a substituent.

公开(公告)号：US20240155942A1

公开(公告)日：2024-05-09

申请号：US18537181

申请日：2023-12-12

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

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

Abstract: An organic electroluminescence device includes an anode, an emitting layer, and a cathode in this order. The emitting layer contains a compound, including a structure including a first partial structure of formula (3-100) and a second partial structure of formula (3-1A), mutually bonded in one molecule:




In formula (3-100), D1 to D3 are each a deuterium atom, or one of D1 to D8 is a single bond to another atom/structure in the molecule, and remaining D1 to D8 are each a deuterium atom, and R310 is a single bond bonded to the second partial structure. In formula (3-1A), one of R301 to R306 is a single bond bonded to the first partial structure, and remaining R301 to R306 not being bonded to the first partial structure are independently H, a substituent, or a single bond bonded to another atom/structure in the molecule.