公开(公告)号：US20240409808A1

公开(公告)日：2024-12-12

申请号：US18672209

申请日：2024-05-23

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Sachiko KAWAKAMI ,  Kazuki KAJIYAMA

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

Abstract: To provide a novel organic compound that is highly convenient, useful, or reliable. General Formula (G2), X represents a sulfur atom or an oxygen atom; R1, R2, R6 to R9, R20 to R26, R30 to R34, R40 to R43, R103 to R105, R135, and R136 each independently represent hydrogen (including deuterium), a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 carbon atoms, a substituted or unsubstituted aryl group having 10 to 30 carbon atoms, a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group; n represents an integer of 1 to 4, when n is 2 or more, two or more R40s may be the same as or different from each other, and the same applies to two or more R41s to R43s.

公开(公告)号：US20240341171A1

公开(公告)日：2024-10-10

申请号：US18682194

申请日：2022-08-08

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Ryo NARUKAWA ,  Hideko YOSHIZUMI ,  Anna TADA ,  Kazuki KAJIYAMA ,  Sachiko KAWAKAMI

IPC: H10K85/60 ,  H10K30/40

CPC classification number: H10K85/621 ,  H10K30/40

Abstract: A novel light-receiving device that is highly convenient, useful, or reliable is provided. A light-receiving device including a light-receiving layer (203) between a pair of electrodes (201, 202) is provided. The light-receiving layer 203 includes an active layer. The active layer includes a first organic compound. An SP value of the first organic compound is greater than or equal to 9.0 [(cal/cm3)1/2] and less than or equal to 11.0 [(cal/cm3)1/2]. Alternatively, a light-receiving device including a light-receiving layer (203) between a pair of electrodes (201, 202) is provided. The light-receiving layer (203) includes an active layer. The active layer includes a first organic compound. An absolute value of a difference in an SP value between the first organic compound and an oxygen-containing solvent except for alcohol is less than or equal to 1.0 [(cal/cm3)1/2].

公开(公告)号：US20230354625A1

公开(公告)日：2023-11-02

申请号：US18306841

申请日：2023-04-25

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daisuke KUBOTA ,  Akio YAMASHITA ,  Kazuya SUGIMOTO ,  Taisuke KAMADA ,  Sachiko KAWAKAMI ,  Kazuki KAJIYAMA ,  Yasutaka NAKAZAWA ,  Kaori IKADA

IPC: H10K39/32 ,  H10K39/38 ,  H10K59/80

CPC classification number: H10K39/32 ,  H10K39/38 ,  H10K59/80517 ,  H10K59/80523

Abstract: A photoelectric conversion device in which an increase in driving voltage is inhibited is provided. The photoelectric conversion device includes a first electrode, a second electrode, and an organic compound layer; the organic compound layer is positioned between the first electrode and the second electrode; the organic compound layer includes a first layer; a structure body including projections is included between the first layer and the second electrode; and the structure body contains a first organic compound.

公开(公告)号：US20230286999A1

公开(公告)日：2023-09-14

申请号：US18113672

申请日：2023-02-24

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Anna TADA ,  Sachiko KAWAKAMI ,  Daisuke KUBOTA ,  Taisuke KAMADA ,  Kazuki KAJIYAMA

IPC: C07D495/04 ,  C07D519/00 ,  H10K85/60 ,  H10K50/16 ,  H10K50/11

CPC classification number: C07D495/04 ,  C07D519/00 ,  H10K85/6576 ,  H10K50/16 ,  H10K50/11 ,  H10K2102/301

Abstract: A novel organic compound that is highly convenient, useful, or reliable is provided. An organic compound represented by General Formula (G1) is provided. In General Formula (G1), D1 represents a thiophene-diyl group, a furan-diyl group, a thiophene-containing heteroarylene group, or a furan-containing heteroarylene group; Ar1 and Ar2 each independently represent a heteroarylene group or an arylene group; A1 and A2 each independently represent hydrogen, deuterium, a nitro group, an alkyl group, a halogen, an alkyl halide group, a cyano group, an alkoxy group, a vinyl group, or a formyl group; n1 represents an integer of 1 or more; and m1 and k1 each independently represent an integer of 0 to 3.

公开(公告)号：US20240206207A1

公开(公告)日：2024-06-20

申请号：US18382851

申请日：2023-10-23

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Sachiko KAWAKAMI ,  Kazuki KAJIYAMA

IPC: H10K50/11 ,  C07D209/90 ,  C07D307/87 ,  C07D403/14 ,  C07D519/00 ,  H10K85/60

CPC classification number: H10K50/11 ,  C07D209/90 ,  C07D307/87 ,  C07D403/14 ,  C07D519/00 ,  H10K85/633

Abstract: An organic compound is represented by General Formula (G1) below. In General Formula (G1), X represents a sulfur atom or an oxygen atom, Ar2 represents a group represented by General Formula (G1-1) below, and Ar1 represents an aryl group having 6 to 30 carbon atoms or a heteroaryl group having 2 to 30 carbon atoms. At least one of R1 to R16 and R21 to R29 represents any of halogen, a nitrile group, an alkenyl group, a vinyl group, an alkynyl group, an ethynyl group, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 10 carbon atoms, an aryl group having 6 to 30 carbon atoms, and a heteroaryl group having 2 to 30 carbon atoms.

公开(公告)号：US20240172461A1

公开(公告)日：2024-05-23

申请号：US18496520

申请日：2023-10-27

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Harue OSAKA ,  Satoshi SEO ,  Nobuharu OHSAWA ,  Kazuki KAJIYAMA ,  Hiromitsu KIDO

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

CPC classification number: H10K50/11 ,  C09K11/06 ,  H10K85/6572 ,  H10K2101/10

Abstract: A highly efficient light-emitting device is provided. The light-emitting device includes a light-emitting layer between a first electrode and a second electrode. The light-emitting layer includes at least a light-emitting substance and a first substance, the half width of an emission spectrum of the light-emitting substance is 0.35 eV or less, the luminescence lifetime of delayed fluorescence caused by photoexcitation of the first substance is shorter at a first temperature than at a second temperature, the first temperature is lower than the second temperature, and the first temperature and the second temperature are each higher than or equal to 10 K and lower than or equal to 300 K.

公开(公告)号：US20240172460A1

公开(公告)日：2024-05-23

申请号：US18496382

申请日：2023-10-27

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Harue OSAKA ,  Satoshi SEO ,  Nobuharu OHSAWA ,  Kazuki KAJIYAMA ,  Hiromitsu KIDO

IPC: H10K50/11 ,  C09K11/06 ,  H10K85/40 ,  H10K85/60

CPC classification number: H10K50/11 ,  C09K11/06 ,  H10K85/40 ,  H10K85/631 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K2101/25

Abstract: A light-emitting device with favorable carrier balance is provided. The light-emitting device includes a light-emitting layer between a first electrode and a second electrode. The light-emitting layer includes at least a first substance and a light-emitting substance, the first substance includes an organic compound having one or more of a carbazole ring, an aromatic amine skeleton, and a π-electron deficient heteroaromatic ring, a luminescence lifetime of delayed fluorescence caused by photoexcitation of the light-emitting substance is shorter at a first temperature than at a second temperature, the first temperature is lower than the second temperature, and the first temperature and the second temperature are each higher than or equal to 10 K and lower than or equal to 300 K.

公开(公告)号：US20240132439A1

公开(公告)日：2024-04-25

申请号：US18374838

申请日：2023-09-29

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Sachiko Kawakami ,  Kazuki KAJIYAMA

IPC: C07C211/55 ,  C07D307/91 ,  C07D307/92 ,  C07D333/74 ,  C07D333/76 ,  C07D411/12 ,  H10K85/60

CPC classification number: C07C211/55 ,  C07D307/91 ,  C07D307/92 ,  C07D333/74 ,  C07D333/76 ,  C07D411/12 ,  H10K85/615 ,  H10K85/633 ,  H10K85/6574 ,  H10K85/6576

Abstract: A highly heat-resistant organic compound with favorable hole-transport properties is provided. The organic compound is represented by General Formula (G1). In General Formula (G1), X represents a sulfur atom or an oxygen atom, and R21 to R25 and R27 to R30 each independently represent any one of hydrogen, halogen, a nitrile group, an alkenyl group, a vinyl group, an alkynyl group, an ethynyl group, a straight-chain alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an alkylsilyl group having 3 to 10 carbon atoms, an aryl group having 6 to 30 carbon atoms, and a heteroaryl group having 2 to 30 carbon atoms. Ar1 represents an aryl group having 6 to 30 carbon atoms or a heteroaryl group having 2 to 30 carbon atoms. Ar2 is represented by General Formula (G1-1).