公开(公告)号：US12029057B2

公开(公告)日：2024-07-02

申请号：US18134847

申请日：2023-04-14

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Satoshi Seo ,  Tsunenori Suzuki ,  Yusuke Takita ,  Takumu Okuyama ,  Anna Tada

IPC: H10K50/11 ,  H10K50/15 ,  H10K101/30 ,  H10K101/40

CPC classification number: H10K50/11 ,  H10K50/15 ,  H10K2101/30 ,  H10K2101/40

Abstract: A novel light-emitting device is provided. Alternatively, a light-emitting device with favorable emission efficiency is provided. Alternatively, a light-emitting device with a favorable lifetime is provided. Alternatively, a light-emitting device with a low driving voltage is provided. Provided is a light-emitting device including an anode, a cathode, and a layer including an organic compound that is positioned between the anode and the cathode, in which the layer including the organic compound includes a first layer, a second layer, and a light-emitting layer in this order from the anode side, the first layer includes a first substance and a second substance, the second layer includes a third substance, the first substance is an organic compound a HOMO level of which is higher than or equal to −5.8 eV and lower than or equal to −5.4 eV, the second substance is a substance that has an electron-acceptor property with respect to the first substance, and the third substance is an organic compound having a structure in which at least two substituents comprising carbazole rings are bonded to a naphthalene ring.

公开(公告)号：US11778903B2

公开(公告)日：2023-10-03

申请号：US16923343

申请日：2020-07-08

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kaori Ogita ,  Anna Tada ,  Sachiko Kawakami ,  Nobuharu Ohsawa ,  Satoshi Seo

IPC: H10K85/60 ,  C07D513/04 ,  C09K11/06 ,  H10K50/11 ,  H10K50/84 ,  H10K50/858 ,  H10K50/842 ,  H10K59/12 ,  H10K59/38

CPC classification number: H10K85/636 ,  C07D513/04 ,  C09K11/06 ,  C09K2211/1022 ,  H10K50/11 ,  H10K50/846 ,  H10K50/8426 ,  H10K50/858 ,  H10K59/12 ,  H10K59/38 ,  H10K85/657 ,  H10K85/6572

Abstract: A novel organic compound having an emission spectrum peak at a wavelength longer than 850 nm and an absorption spectrum peak at a wavelength longer than 600 nm is provided. The organic compound is represented by General Formula (G1).




In General Formula (G1), Ar1 to Ar4 each independently represent an aryl group having 6 to 13 carbon atoms in a ring. R1 to R8 each independently represent anyone of hydrogen, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, an aryl group having 6 to 13 carbon atoms in a ring, and a heteroaryl group having 3 to 13 carbon atoms in a ring. Q1 and Q2 each independently represent a group having a carbazole skeleton or a group having a triarylamine skeleton and having 18 to 30 carbon atoms in a ring. Furthermore, m and n each independently represent 0 or 1.

公开(公告)号：US11950497B2

公开(公告)日：2024-04-02

申请号：US16977612

申请日：2019-02-21

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Satoshi Seo ,  Nobuharu Ohsawa ,  Takuya Haruyama ,  Anna Tada

IPC: H10K85/60 ,  C07C211/61 ,  C07F7/08 ,  C09K11/06 ,  H10K50/11 ,  H10K59/121 ,  H10K85/00 ,  H10K85/40 ,  H10K101/00 ,  H10K101/10 ,  H10K101/20

CPC classification number: H10K85/633 ,  C07C211/61 ,  C07F7/081 ,  C09K11/06 ,  H10K85/40 ,  H10K85/791 ,  C07C2601/14 ,  C07C2603/24 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  H10K50/11 ,  H10K59/1213 ,  H10K85/615 ,  H10K2101/10 ,  H10K2101/20 ,  H10K2101/27

Abstract: A light-emitting element with high emission efficiency and high reliability is provided.
The light-emitting element includes a host material and a guest material in a light-emitting layer. The host material has a function of converting triplet excitation energy into light emission and the guest material emits fluorescence. The molecular structure of the guest material is a structure including a luminophore and protecting groups, and five or more protecting groups are included in one molecule of the guest material. The introduction of the protecting groups into the molecule inhibits energy transfer of triplet excitation energy by the Dexter mechanism from the host material to the guest material. As the protecting group, an alkyl group or a branched-chain alkyl group is used.

公开(公告)号：US20230132153A1

公开(公告)日：2023-04-27

申请号：US17942324

申请日：2022-09-12

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Anna Tada ,  Sachiko Kawakami ,  Daisuke Kubota ,  Kazuya Sugimoto ,  Yasuhiro Niikura ,  Akio Yamashita

IPC: H01L51/00 ,  C07D209/88

Abstract: Provided is a highly convenient, useful, or reliable novel organic compound represented by General Formula (G1), where A1 represents any of hydrogen, deuterium, an alkyl group having 1 to 13 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, an aryl group having 6 to 25 carbon atoms, a heteroaryl group having 2 to 25 carbon atoms, and a diarylamino group; Ar1 to Ar4 each independently represent any of an aryl group having 6 to 25 carbon atoms, a heteroaryl group having 2 to 25 carbon atoms, and a diarylamino group; and R1 to R6 each independently represent any of hydrogen, deuterium, an alkyl group having 1 to 13 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, an aryl group having 6 to 25 carbon atoms, a heteroaryl group having 2 to 25 carbon atoms, and an alkoxy group having 1 to 13 carbon atoms.

公开(公告)号：US12279522B2

公开(公告)日：2025-04-15

申请号：US17727158

申请日：2022-04-22

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daisuke Kubota ,  Taisuke Kamada ,  Yasuhiro Niikura ,  Ryo Hatsumi ,  Akio Yamashita ,  Sachiko Kawakami ,  Anna Tada ,  Satoshi Seo

IPC: H10K85/30 ,  C07D209/82 ,  C07D219/16 ,  C07D221/20 ,  C07D307/91 ,  C07D333/76 ,  C07D401/04 ,  C07D401/06 ,  C07D403/10 ,  C07D405/04 ,  C07D409/10 ,  C07D413/10 ,  C07D519/00 ,  C07F7/22 ,  C07F15/00 ,  H10K30/20 ,  H10K50/16 ,  H10K65/00 ,  H10K85/60

Abstract: To provide a novel photoelectric conversion device that is highly convenient, useful, or reliable. The photoelectric conversion device includes a first electrode, a second electrode, and a first unit. The first unit is located between the first electrode and the second electrode. The first unit contains a first electron-donating material and a first electron-accepting material. The first electron-donating material is a condensed aromatic compound, and the first electron-accepting material has a perylene skeleton and two or more alkyl groups. The alkyl groups each independently have 1 to 13 carbon atoms.

公开(公告)号：US20240357846A1

公开(公告)日：2024-10-24

申请号：US18758849

申请日：2024-06-28

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Satoshi Seo ,  Tsunenori Suzuki ,  Yusuke Takita ,  Takumu Okuyama ,  Anna Tada

IPC: H10K50/11 ,  H10K50/15 ,  H10K101/30 ,  H10K101/40

CPC classification number: H10K50/11 ,  H10K50/15 ,  H10K2101/30 ,  H10K2101/40

Abstract: A novel light-emitting device is provided. Alternatively, a light-emitting device with favorable emission efficiency is provided. Alternatively, a light-emitting device with a favorable lifetime is provided. Alternatively, a light-emitting device with a low driving voltage is provided. Provided is a light-emitting device including an anode, a cathode, and a layer including an organic compound that is positioned between the anode and the cathode, in which the layer including the organic compound includes a first layer, a second layer, and a light-emitting layer in this order from the anode side, the first layer includes a first substance and a second substance, the second layer includes a third substance, the first substance is an organic compound a HOMO level of which is higher than or equal to −5.8 eV and lower than or equal to −5.4 eV, the second substance is a substance that has an electron-acceptor property with respect to the first substance, and the third substance is an organic compound having a structure in which at least two substituents comprising carbazole rings are bonded to a naphthalene ring.

公开(公告)号：US11985890B2

公开(公告)日：2024-05-14

申请号：US17166217

申请日：2021-02-03

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Sachiko Kawakami ,  Anna Tada ,  Yusuke Takita ,  Tsunenori Suzuki ,  Naoaki Hashimoto ,  Satoshi Seo

IPC: H01L51/50 ,  C07C211/54 ,  C07C211/58 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K59/12 ,  H10K59/17 ,  H10K71/00 ,  H10K71/13 ,  H10K101/10 ,  H10K101/30 ,  H10K102/00

CPC classification number: H10K85/633 ,  C07C211/54 ,  C07C211/58 ,  H10K85/626 ,  H10K85/631 ,  C07C2601/16 ,  C07C2602/10 ,  H10K50/11 ,  H10K50/156 ,  H10K50/16 ,  H10K59/12 ,  H10K59/17 ,  H10K71/00 ,  H10K71/13 ,  H10K2101/10 ,  H10K2101/30 ,  H10K2102/311

Abstract: An object of one embodiment of the present invention is to provide a novel organic compound. The organic compound is a triarylamine derivative. The triarylamine derivative has an aryl group including a skeleton in which a naphthyl group is bonded to a naphthylene group. The other two aryl groups are each independently a phenyl group, a biphenyl group, or a terphenyl group. These groups may each have a substituent. As the substituent, an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms can be selected.

公开(公告)号：US11673863B2

公开(公告)日：2023-06-13

申请号：US16924717

申请日：2020-07-09

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Anna Tada ,  Sachiko Kawakami ,  Takumu Okuyama ,  Tsunenori Suzuki ,  Satoshi Seo

IPC: H01L51/00 ,  C07D209/82 ,  H01L51/50

CPC classification number: C07D209/82 ,  H01L51/0052 ,  H01L51/0059 ,  H01L51/0072 ,  H01L51/5088

Abstract: An organic compound with high heat resistance is provided. A light-emitting device with high emission efficiency and high reliability is provided. An organic compound represented by General Formula (G0) is provided. In General Formula (G0), any one of R1 to R5 represents General Formula (A), and each of the others of R1 to R5, R6 to R13, R21 to R29, R31 to R39, and R41 to R48 independently represents hydrogen, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 13 carbon atoms. R21 and R22 may be bonded to each other to form a spiro ring.

公开(公告)号：US11647642B2

公开(公告)日：2023-05-09

申请号：US16981793

申请日：2019-03-13

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Satoshi Seo ,  Tsunenori Suzuki ,  Yusuke Takita ,  Takumu Okuyama ,  Anna Tada

IPC: H01L51/50

CPC classification number: H01L51/5004 ,  H01L51/5012 ,  H01L51/5056 ,  H01L2251/552

Abstract: A novel light-emitting device is provided. Alternatively, a light-emitting device with favorable emission efficiency is provided. Alternatively, a light-emitting device with a favorable lifetime is provided. Alternatively, a light-emitting device with a low driving voltage is provided. Provided is a light-emitting device including an anode, a cathode, and a layer including an organic compound that is positioned between the anode and the cathode, in which the layer including the organic compound includes a first layer, a second layer, and a light-emitting layer in this order from the anode side, the first layer includes a first substance and a second substance, the second layer includes a third substance, the first substance is an organic compound a HOMO level of which is higher than or equal to −5.8 eV and lower than or equal to −5.4 eV, the second substance is a substance that has an electron-acceptor property with respect to the first substance, and the third substance is an organic compound having a structure in which at least two substituents comprising carbazole rings are bonded to a naphthalene ring.

公开(公告)号：US10916707B2

公开(公告)日：2021-02-09

申请号：US15855113

申请日：2017-12-27

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Sachiko Kawakami ,  Anna Tada ,  Yusuke Takita ,  Tsunenori Suzuki ,  Naoaki Hashimoto ,  Satoshi Seo

IPC: H01L51/50 ,  H01L51/00 ,  C07C211/54 ,  C07C211/58 ,  H01L27/32 ,  H01L51/56

Abstract: An object of one embodiment of the present invention is to provide a novel organic compound. The organic compound is a triarylamine derivative. The triarylamine derivative has an aryl group including a skeleton in which a naphthyl group is bonded to a naphthylene group. The other two aryl groups are each independently a phenyl group, a biphenyl group, or a terphenyl group. These groups may each have a substituent. As the substituent, an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms can be selected.