公开(公告)号：US20250084302A1

公开(公告)日：2025-03-13

申请号：US18814801

申请日：2024-08-26

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Miyako MORIKUBO ,  Yuki HAYASHI ,  Tsunenori SUZUKI ,  Takashi SHINGU ,  Sachiko KAWAKAMI ,  Harue OSAKA ,  Satoshi SEO

IPC: C09K11/06 ,  C07D209/86 ,  H10K50/858

Abstract: An organic compound is represented by General Formula (G1). In the formula, each of R1 to R4 independently represents any of hydrogen (including deuterium), a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 6 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, and a substituent represented by General Formula (G1-1). Each of R5 to R8 independently represents any of hydrogen (including deuterium), a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 6 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, and a substituent represented by General Formula (G1-3). At least one of R5 to R8 represents a substituent represented by General Formula (G1-3).

公开(公告)号：US20160343955A1

公开(公告)日：2016-11-24

申请号：US15229934

申请日：2016-08-05

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hideko INOUE ,  Miyako MORIKUBO ,  Naoaki HASHIMOTO ,  Hiromi SEO ,  Satoshi SEO ,  Miki KANAMOTO ,  Tomoka NAKAGAWA

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

CPC classification number: H01L51/0067 ,  C07D409/10 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1044 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5024 ,  H01L51/5072

Abstract: A light-emitting element with high heat resistance and high emission efficiency is provided. A novel heterocyclic compound that can be used in such a light-emitting element is provided. One embodiment of the present invention is a light-emitting element which includes, between a pair of electrodes, a layer containing a first organic compound, a second organic compound, and a light-emitting substance; the first organic compound includes one pyrimidine ring and one ring with a hole-transport skeleton; the second organic compound is an aromatic amine; and the light-emitting substance converts triplet excitation energy into light. A combination of the first organic compound, which includes the one pyrimidine ring and the one ring with the hole-transport skeleton, and the second organic compound, which is the aromatic amine, forms an exciplex.

Abstract translation: 提供具有高耐热性和高发光效率的发光元件。 可以提供可用于这种发光元件的新型杂环化合物。 本发明的一个实施方案是一种发光元件，其在一对电极之间包括含有第一有机化合物，第二有机化合物和发光物质的层; 第一有机化合物包括一个嘧啶环和一个具有空穴传输骨架的环; 第二有机化合物是芳族胺; 并且发光物质将三重态激发能量转换成光。 第一有机化合物（其包括一个嘧啶环和具有空穴传输骨架的一个环）和作为芳族胺的第二有机化合物的组合形成激元复合体。

公开(公告)号：US20150060818A1

公开(公告)日：2015-03-05

申请号：US14469946

申请日：2014-08-27

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Yoshimi Ishiguro ,  Miyako MORIKUBO ,  Sachiko KAWAKAMI ,  Hiromi SEO ,  Tatsuyoshi TAKAHASHI ,  Satoshi SEO

IPC: H01L51/00 ,  H01L27/32

CPC classification number: H01L51/0052 ,  C09K11/06 ,  C09K2211/1044 ,  H01L27/3248 ,  H01L27/326 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/0074

Abstract: Provided is a novel organic compound that can be used as a host material of a light-emitting layer in which a light-emitting substance is dispersed. The organic compound is represented by General Formula (G1-1). In the formula, A represents a substituted or unsubstituted dibenzo[f,h]quinoxalin-yl group, Ar1 represents a substituent formed by 1 to 4 rings, and n represents 2 or 3, where the ring is a substituted or unsubstituted benzene ring or a substituted or unsubstituted fluorene ring. Ar1A)n  (G1-1)

Abstract translation: 提供了可以用作分散有发光物质的发光层的主体材料的新型有机化合物。 有机化合物由通式（G1-1）表示。 在该式中，A表示取代或未取代的二苯并[f，h]喹喔啉基，Ar 1表示由1〜4个环形成的取代基，n表示2或3，该环为取代或未取代的苯环或 取代或未取代的芴环。 Ar1AA）n（G1-1）

公开(公告)号：US20230203054A1

公开(公告)日：2023-06-29

申请号：US18068575

申请日：2022-12-20

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Sachiko KAWAKAMI ,  Yuki HAYASHI ,  Miyako MORIKUBO ,  Tomohiro KUBOTA ,  Hiromitsu KIDO ,  Tomoya YAMAGUCHI ,  Hideko YOSHIZUMI ,  Satoshi SEO

IPC: C07D491/048 ,  H10K10/46 ,  H10K85/60

CPC classification number: C07D491/048 ,  H10K10/46 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/657

Abstract: An organic compound with a long lifetime and high emission efficiency is provided. An organic compound represented by General Formula (G1) is provided. In the formula, any one of X1 to X4 represents N, another one represents C, and the others represent C or N. Any one of C is bonded to a group represented by General Formula (r1), and the others are bonded to hydrogen (H), an alkyl (R) group, a cycloalkyl (Cy) group, an aryl (Ar) group, or a heteroaryl (Het) group. Ar1 represents an aromatic hydrocarbon, and is fused to an adjacent ring at a given site. When Ar1 represents a benzene ring, the benzene ring includes an Ar group or a Het group. Q and Z represent O or S. Any of R31 to R34 represents a bond to any one of X1 to X4, and the others represent H, an R group, a Cy group, an Ar group, or a Het group. Any one of R35 to R38 represents a polycyclic ring aromatic hydrocarbon group or a Het group, and the others represent H, an R group, a Cy group, an Ar group, or a Het group.

公开(公告)号：US20160315270A1

公开(公告)日：2016-10-27

申请号：US15203901

申请日：2016-07-07

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Satoshi SEO ,  Satoko SHITAGAKI ,  Miyako MORIKUBO ,  Naoaki HASHIMOTO ,  Takahiro ISHISONE ,  Kyoko TAKEDA ,  Hiromi SEO

IPC: H01L51/00 ,  C07D409/14 ,  C07D403/14 ,  C09K11/06 ,  C09K11/02

CPC classification number: H01L51/0072 ,  C07D403/14 ,  C07D409/14 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1044 ,  C09K2211/185 ,  H01L51/006 ,  H01L51/0071 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5024 ,  H01L51/5076 ,  H05B33/14

Abstract: To provide a novel heterocyclic compound that can be used as a host material in which a light-emitting substance of a light-emitting layer is dispersed. A heterocyclic compound comprising a dibenzo[f,h]quinoxaline ring and two hole-transport skeletons, where the dibenzo[f,h]quinoxaline ring and the two hole-transport skeletons are bonded to an aromatic hydrocarbon group. A heterocyclic compound represented by the following general formula (G1) is provided. Note that in the formula, A1 and A2 each independently represent any of a substituted or unsubstituted carbazole skeleton, a substituted or unsubstituted dibenzofuran skeleton, and a substituted or unsubstituted dibenzothiophen skeleton; B represents a substituted or unsubstituted dibenzo[f,h]quinoxaline skeleton; and Ar represents an arene skeleton having 6 to 13 carbon atoms. A light-emitting element including the heterocyclic compound is provided.

Abstract translation: 注意，在该式中，A1和A2各自独立地表示取代或未取代的咔唑骨架，取代或未取代的二苯并呋喃骨架和取代或未取代的二苯并噻吩骨架中的任意一种; B代表取代或未取代的二苯并[f，h]喹喔啉骨架; Ar表示碳原子数6〜13的芳烃骨架。 提供了包含杂环化合物的发光元件。