公开(公告)号：US20240260454A1

公开(公告)日：2024-08-01

申请号：US18575952

申请日：2022-06-09

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Yasuhiro NIIKURA ,  Daisuke KUBOTA ,  Taisuke KAMADA ,  Sachiko KAWAKAMI ,  Anna TADA ,  Satoshi SEO

IPC: H10K85/60 ,  H10K30/30 ,  H10K39/34

CPC classification number: H10K85/636 ,  H10K85/622 ,  H10K85/626 ,  H10K85/631 ,  H10K85/633 ,  H10K85/6572 ,  H10K85/6576 ,  H10K30/30 ,  H10K39/34 ,  H10K85/615 ,  H10K85/6574

Abstract: A light-receiving device with a novel structure is provided. The provided light-receiving device includes a light-receiving layer between a pair of electrodes. The light-receiving layer includes an active layer. The active layer contains a first organic compound and a second organic compound. An absorption spectrum of the first organic compound has one or more peaks. At least one peak wavelength of the peaks is greater than or equal to 400 nm and less than or equal to 700 nm. The HOMO level of the second organic compound is higher than the HOMO level of the first organic compound. The difference between the HOMO level of the first organic compound and the HOMO level of the second organic compound is preferably higher than or equal to 0.2 eV and lower than or equal to 1.5 eV and further preferably higher than or equal to 0.4 eV and lower than or equal to 1.5 eV.

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：US20230348477A1

公开(公告)日：2023-11-02

申请号：US18305733

申请日：2023-04-24

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Masatoshi TAKABATAKE ,  Yui YOSHIYASU ,  Sachiko KAWAKAMI ,  Takeyoshi WATABE ,  Nobuharu OHSAWA ,  Yuko KUBOTA

IPC: C07D487/04 ,  H10K85/60 ,  H10K50/17

CPC classification number: C07D487/04 ,  H10K50/171 ,  H10K85/626 ,  H10K85/6572

Abstract: An electron-injection organic compound with low solubility in water is provided. An organic compound represented by General Formula (G1) is provided. In the organic compound, Ar represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms forming a ring or a substituted or unsubstituted heteroaromatic hydrocarbon group having 2 to 30 carbon atoms forming a ring, each of R1 and R2 independently represents hydrogen (including deuterium), an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 13 carbon atoms forming a ring, n represents an integer greater than or equal to 1 and less than or equal to 6, and L is the group represented by General Formula (L-1). In General Formula (L-1), each of R3 and R4 independently represents hydrogen (including deuterium) or an alkyl group having 1 to 6 carbon atoms, and k is an integer greater than or equal to 1 and less than or equal to 5.

公开(公告)号：US20230329105A1

公开(公告)日：2023-10-12

申请号：US18130684

申请日：2023-04-04

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Satoko NUMATA ,  Harue OSAKA ,  Sachiko KAWAKAMI ,  Takashi SHINGU ,  Anna TADA ,  Yui YOSHIYASU ,  Yasuhiro NIIKURA ,  Eriko AOYAMA ,  Naoaki HASHIMOTO ,  Satoshi SEO

IPC: H10K85/60 ,  H10K85/30

CPC classification number: H10K85/6572 ,  H10K85/633 ,  H10K50/16 ,  H10K85/342 ,  H10K85/6574 ,  H10K85/636

Abstract: An organic semiconductor device that can achieve high resolution and favorable reliability is provided. The organic semiconductor device is one of a plurality of light-emitting devices formed over an insulating layer, which 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 layer containing a first compound. When differential scanning calorimetry is performed on the first compound in such a manner that a cooling step is performed from the state in which the first compound is melted in a first heating step and a second heating step is successively performed, an exothermic peak is not observed in the cooling step and an exothermic peak and a melting point peak are not observed in the second heating step.

公开(公告)号：US20230200105A1

公开(公告)日：2023-06-22

申请号：US18077447

申请日：2022-12-08

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Sachiko KAWAKAMI ,  Nobuharu OHSAWA ,  Yasumasa YAMANE ,  Tsunenori SUZUKI ,  Tomoya AOYAMA ,  Naoaki HASHIMOTO ,  Kyoko TAKEDA ,  Yui YOSHIYASU ,  Masatoshi TAKABATAKE

IPC: H10K50/81 ,  H10K59/12 ,  H10K50/82

CPC classification number: H01L51/5206 ,  H01L27/3244 ,  H01L51/5221

Abstract: To inhibit an increase in voltage of an organic semiconductor device manufactured by a method including a step of forming an aluminum oxide film over and in contact with an organic semiconductor layer. An organic semiconductor device including a first electrode, a second electrode, an organic semiconductor layer, and a buffer layer is provided. The organic semiconductor layer is positioned between the first electrode and the second electrode. The buffer layer is positioned between the organic semiconductor layer and the second electrode. A side surface of the organic semiconductor layer and a side surface of the buffer layer are substantially aligned.

公开(公告)号：US20230200104A1

公开(公告)日：2023-06-22

申请号：US18077450

申请日：2022-12-08

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Sachiko KAWAKAMI ,  Nobuharu OHSAWA ,  Yuji IWAKI ,  Ryota HODO ,  Toshiki SASAKI ,  Takeyoshi WATABE ,  Kunihiko SUZUKI

IPC: H10K50/17 ,  H10K85/60

CPC classification number: H01L51/5092 ,  H01L51/0072 ,  H01L2251/301

Abstract: A plurality of light-emitting elements having a structure in which an organic compound layer as a whole is processed with a photolithography technique is provided. A light-emitting element is formed over an insulating layer and 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 light-emitting layer and an electron-injection layer. The electron-injection layer is in contact with the second electrode, and the electron-injection layer includes an organic compound having a basic skeleton and an acid dissociation constant pKa of 1 or more. Layers included in the organic compound layer have substantially the same contour, and the organic compound layer is separated from organic compound layers of the other light-emitting elements of the plurality of light-emitting elements.

公开(公告)号：US20230180491A1

公开(公告)日：2023-06-08

申请号：US17925628

申请日：2021-05-17

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Taisuke KAMADA ,  Yasuhiro NIIKURA ,  Daisuke KUBOTA ,  Ryo HATSUMI ,  Akio YAMASHITA ,  Sachiko KAWAKAMI ,  Satoshi SEO

IPC: H10K39/34 ,  H10K30/81 ,  H10K50/125 ,  G06F9/30

CPC classification number: H10K39/34 ,  H10K30/81 ,  H10K50/125 ,  G06F9/3001

Abstract: A novel optical functional device that is highly convenient, useful, or reliable is provided. The optical functional device includes a light-emitting function, a photoelectric conversion function, a first electrode, a second electrode, and an optical functional layer. The light-emitting function converts electrical energy into first light, the first light has a first emission spectrum, and the first emission spectrum exhibits a maximum peak at a first wavelength. At a second wavelength, the intensity of the first emission spectrum is 80% of the maximum peak. The photoelectric conversion function has a spectral sensitivity characteristic; at a third wavelength, the spectral sensitivity characteristic has a maximum sensitivity within a range of 420 to 720 nm inclusive; and at a fourth wavelength, the sensitivity of the spectral sensitivity characteristic is 80% of the maximum sensitivity. The third wavelength is positioned closer to the second wavelength than to the first wavelength, and the fourth wavelength is positioned closer to the first wavelength than to the third wavelength.

公开(公告)号：US20230150988A1

公开(公告)日：2023-05-18

申请号：US18096204

申请日：2023-01-12

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Takuya Haruyama ,  Sachiko KAWAKAMI ,  Naoaki HASHIMOTO ,  Yusuke TAKITA ,  Tsunenori SUZUKI ,  Satoshi SEO

IPC: C07D407/12

CPC classification number: C07D407/12 ,  H10K50/11 ,  H10K77/10 ,  H10K50/84 ,  H10K85/633 ,  H10K85/6574 ,  H10K2101/10 ,  H10K50/171 ,  H10K50/16 ,  H10K50/15

Abstract: An organic compound has a benzonaphthofuran skeleton and is represented by General Formula (G1). In General Formula (G1), A represents a pyrene skeleton. In the case where the pyrene skeleton has a substituent, the substituent is a diarylamino group including two substituted or unsubstituted aryl groups each having 6 to 13 carbon atoms, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, an alkyl group having 1 to 7 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon group having 3 to 20 carbon atoms, or a substituted or unsubstituted polycyclic saturated hydrocarbon group having 7 to 10 carbon atoms. The two aryl groups of the diarylamino group may be the same or different. In X1 represented by General Formula (G1-1), one of R6 and R7 is bonded to N in General Formula (G1), and the other of R6 and R7 represents an alkyl group having 1 to 7 carbon atoms, a substituted or unsubstituted monocyclic saturated hydrocarbon group having 3 to 20 carbon atoms, or a substituted or unsubstituted polycyclic saturated hydrocarbon group having 7 to 10 carbon atoms.

公开(公告)号：US20230147615A1

公开(公告)日：2023-05-11

申请号：US18047000

申请日：2022-10-17

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Nozomi KOMATSU ,  Sachiko KAWAKAMI ,  Hiromitsu KIDO ,  Masatoshi TAKABATAKE

IPC: C07D491/048 ,  C07D495/04 ,  H01L51/00

CPC classification number: C07D491/048 ,  C07D495/04 ,  H01L51/0036 ,  H01L51/0071

Abstract: An organic compound that is stable in an excited state and has high emission efficiency is provided. An organic compound represented by General Formula (G1) is provided. Note that in General Formula (G1), Q1 represents sulfur or oxygen. R1 to R5 each independently represent hydrogen, deuterium, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 carbon atoms, a substituted or unsubstituted polycyclic alkyl group having 6 to 10 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms. In addition, A1 represents an aryl group having 6 to 100 carbon atoms and including a substituted or unsubstituted substituent, or a heteroaryl group having 2 to 100 carbon atoms and including a substituted or unsubstituted substituent. Deuterium is substituted for at least one of hydrogen contained in R1 to R5 and A1.

公开(公告)号：US20230025460A1

公开(公告)日：2023-01-26

申请号：US17851288

申请日：2022-06-28

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Yui Yoshiyasu ,  Sachiko KAWAKAMI ,  Naoaki HASHIMOTO ,  Tsunenori SUZUKI ,  Satoshi SEO

IPC: H01L51/50 ,  C07D471/04 ,  C07D403/10 ,  C07D409/10 ,  C07D401/14 ,  C07D491/048 ,  C07D403/14 ,  C07D519/00 ,  C07F7/22 ,  C07F15/00 ,  H01L51/00

Abstract: A light-emitting device with high resistance to heat in a fabrication process is provided. The light-emitting device includes an EL layer between an anode and a cathode. The EL layer includes at least a light-emitting layer and an electron-transport layer that includes a first electron-transport layer in contact with the light-emitting layer and a second electron-transport layer in contact with the first electron-transport layer. The first electron-transport layer includes a first heteroaromatic compound including at least one heteroaromatic ring. The second electron-transport layer includes a second heteroaromatic compound that includes at least one heteroaromatic ring and is different from the first heteroaromatic compound. The first heteroaromatic compound has a difference of 20° C. or less between the crystallization temperature (Tpc) of a powder state and the crystallization temperature (Ttc) of a thin film state. The second heteroaromatic compound has a difference of 100° C. or less between Tpc and Ttc.