公开(公告)号：US12058913B2

公开(公告)日：2024-08-06

申请号：US17425786

申请日：2020-02-12

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Shunpei Yamazaki ,  Harue Osaka

IPC: H10K59/38 ,  H10K59/12 ,  H10K101/30

CPC classification number: H10K59/38 ,  H10K59/12 ,  H10K2101/30

Abstract: A display panel is provided. The display panel includes a display region, an insulating film, and a sealing film; the display region includes a pixel; and the pixel includes a display element and a color conversion layer. The insulating film covers the display element, the sealing film includes a region, the color conversion layer is sandwiched between the region and the insulating film, and the sealing film includes a region that is on the outside of the display region and in contact with the insulating film. The display element includes a first layer, a second layer, a third layer, and a fourth layer. The first layer contains a first material and a second material, the second layer contains a third material, the third layer contains a light-emitting material and a fourth material, the fourth layer contains a fifth material and a sixth material, the first material has a HOMO level higher than or equal to −5.7 eV and lower than or equal to −5.4 eV, the second material has an acceptor property, the third material has a lower HOMO level than the first material, the fifth material has a HOMO level higher than or equal to −6.0 eV, and the sixth material is an organic complex of alkali metal or an organic complex of alkaline earth metal.

公开(公告)号：US11980087B2

公开(公告)日：2024-05-07

申请号：US18200370

申请日：2023-05-22

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Harue Osaka ,  Takahiro Ushikubo ,  Nobuharu Ohsawa ,  Satoshi Seo ,  Tsunenori Suzuki

IPC: H01L51/50 ,  C07C211/54 ,  C09K11/02 ,  C09K11/06 ,  H05B33/14 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11 ,  H10K50/14 ,  H10K50/15 ,  H10K50/16 ,  H10K50/19 ,  H10K59/32 ,  H10K101/10

CPC classification number: H10K85/633 ,  C07C211/54 ,  C09K11/025 ,  C09K11/06 ,  H05B33/14 ,  H10K85/342 ,  H10K85/626 ,  H10K85/631 ,  H10K85/636 ,  C07C2601/14 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/185 ,  H10K50/11 ,  H10K50/14 ,  H10K50/15 ,  H10K50/16 ,  H10K50/19 ,  H10K59/32 ,  H10K85/615 ,  H10K85/6572 ,  H10K2101/10 ,  Y10S428/917

Abstract: A triarylamine derivative represented by a general formula (G1) given below is provided. Note that in the formula, Ar represents either a substituted or unsubstituted phenyl group or a substituted or unsubstituted biphenyl group; α represents a substituted or unsubstituted naphthyl group; β represents either hydrogen or a substituted or unsubstituted naphthyl group; n and m each independently represent 1 or 2; and R1 to R8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, or a phenyl group.

公开(公告)号：US11925097B2

公开(公告)日：2024-03-05

申请号：US18134638

申请日：2023-04-14

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Taisuke Kamada ,  Ryo Hatsumi ,  Daisuke Kubota ,  Naoaki Hashimoto ,  Tsunenori Suzuki ,  Harue Osaka ,  Satoshi Seo

IPC: H10K65/00 ,  H10K39/32 ,  H10K50/16 ,  H10K50/17 ,  H10K50/86 ,  H10K59/12 ,  H10K59/40 ,  H10K101/30

CPC classification number: H10K65/00 ,  H10K39/32 ,  H10K50/16 ,  H10K50/17 ,  H10K50/865 ,  H10K59/12 ,  H10K59/40 ,  H10K2101/30

Abstract: An object is to provide a highly reliable display unit having a function of sensing light. The display unit includes a light-receiving device and a light-emitting device. The light-receiving device includes an active layer between a pair of electrodes. The light-emitting device includes a hole-injection layer, a light-emitting layer, and an electron-transport layer between a pair of electrodes. The light-receiving device and the light-emitting device share one of the electrodes, and may further share another common layer between the pair of electrodes. The hole-injection layer is in contact with an anode and contains a first compound and a second compound. The electron-transport property of the electron-transport layer is low; hence, the light-emitting layer is less likely to have excess electrons. Here, the first compound is the material having a property of accepting electrons from the second compound.

公开(公告)号：US20230301178A1

公开(公告)日：2023-09-21

申请号：US18200370

申请日：2023-05-22

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Harue Osaka ,  Takahiro USHIKUBO ,  Nobuharu OHSAWA ,  Satoshi SEO ,  Tsunenori SUZUKI

IPC: H10K85/60 ,  C07C211/54 ,  C09K11/06 ,  H05B33/14 ,  H10K85/30 ,  C09K11/02

CPC classification number: H10K85/633 ,  C07C211/54 ,  C09K11/06 ,  H05B33/14 ,  H10K85/626 ,  H10K85/631 ,  H10K85/342 ,  H10K85/636 ,  C09K11/025 ,  H10K50/14

Abstract: A triarylamine derivative represented by a general formula (G1) given below is provided. Note that in the formula, Ar represents either a substituted or unsubstituted phenyl group or a substituted or unsubstituted biphenyl group; α represents a substituted or unsubstituted naphthyl group; β represents either hydrogen or a substituted or unsubstituted naphthyl group; n and m each independently represent 1 or 2; and R1 to R8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, or a phenyl group.

公开(公告)号：US11225488B2

公开(公告)日：2022-01-18

申请号：US16090477

申请日：2018-02-28

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kyoko Takeda ,  Harue Osaka ,  Satoshi Seo ,  Tsunenori Suzuki ,  Naoaki Hashimoto ,  Yusuke Takita

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

Abstract: A novel organic compound is provided. Alternatively, an organic compound that exhibits light emission with favorable chromaticity is provided. Alternatively, an organic compound that exhibits blue light emission with favorable chromaticity is provided. Alternatively, an organic compound with favorable emission efficiency is provided. Alternatively, an organic compound having a high carrier-transport property is provided. Alternatively, an organic compound with favorable reliability is provided. An organic compound including at least one amino group in which any one of a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, and a substituted or unsubstituted carbazolyl group is bonded to any one of a substituted or unsubstituted naphthobisbenzofuran skeleton, a substituted or unsubstituted naphthobisbenzothiophene skeleton, and a substituted or unsubstituted naphthobenzofuranobenzothiophene skeleton is provided.

公开(公告)号：US20210336151A1

公开(公告)日：2021-10-28

申请号：US17239916

申请日：2021-04-26

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Keito Tosu ,  Yuta Kawano ,  Hiroshi Kadoma ,  Harue Osaka ,  Ryo Narukawa ,  Airi Ueda ,  Takeyoshi Watabe ,  Nobuharu Ohsawa ,  Satoshi Seo

IPC: H01L51/00 ,  C09K11/06 ,  C07D251/24 ,  C07D239/26 ,  C07D401/10 ,  C07D401/14

Abstract: A light-emitting device material with a low refractive index is provided. The light-emitting device material contains an organic compound which has a pyridine skeleton, a diazine skeleton, or a triazine skeleton and in which the proportion of carbon atoms forming a bond by sp3 hybrid orbitals is within a certain range. The light-emitting device material contains an organic compound including at least one six-membered heteroaromatic ring having 1 to 3 nitrogen atoms and a plurality of aromatic hydrocarbon rings each having 6 to 14 carbon atoms in a ring. At least two of the plurality of aromatic hydrocarbon rings are benzene rings. The organic compound has a plurality of hydrocarbon groups forming a bond by the sp3 hybrid orbitals. The ordinary refractive index of a layer containing the organic compound with respect to light with a wavelength in the range from 455 nm to 465 nm is 1.5 to 1.75.

公开(公告)号：US10930852B2

公开(公告)日：2021-02-23

申请号：US16704461

申请日：2019-12-05

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Satoshi Seo ,  Nobuharu Ohsawa ,  Satoko Shitagaki ,  Hideko Inoue ,  Hiroshi Kadoma ,  Harue Osaka ,  Kunihiko Suzuki ,  Yasuhiko Takemura

IPC: H01L51/00

Abstract: A light-emitting element includes a light-emitting layer including a guest, an n-type host and a p-type host between a pair of electrodes, where the difference between the energy difference between a triplet excited state and a ground state of the n-type host (or p-type host) and the energy difference between a triplet excited state and a ground state of the guest is 0.15 eV or more. Alternatively, in such a light-emitting element, the LUMO level of the n-type host is higher than the LUMO level of the guest by 0.1 eV or more, or the HOMO level of the p-type host is lower than the HOMO level of the guest by 0.1 eV or more.

公开(公告)号：US10535823B2

公开(公告)日：2020-01-14

申请号：US16170480

申请日：2018-10-25

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kaori Ogita ,  Hiromi Nowatari ,  Harue Osaka ,  Takahiro Ushikubo ,  Satoshi Seo ,  Takako Takasu

IPC: H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  H05B33/14 ,  C07F15/00

Abstract: A composite material which includes an organic compound and an inorganic compound and has a high carrier-transport property is provided. A composite material having a good property of carrier injection into an organic compound is provided. A composite material in which light absorption due to charge-transfer interaction is unlikely to occur is provided. A composite material having a high visible-light-transmitting property is provided. A composite material including a hydrocarbon compound and an inorganic compound exhibiting an electron-accepting property with respect to the hydrocarbon compound is provided. The hydrocarbon compound has a substituent bonded to a naphthalene skeleton, a phenanthrene skeleton, or a triphenylene skeleton and has a molecular weight of 350 to 2000, and the substituent has one or more rings selected from a benzene ring, a naphthalene ring, a phenanthrene ring, and a triphenylene ring.

公开(公告)号：US10074822B2

公开(公告)日：2018-09-11

申请号：US14922636

申请日：2015-10-26

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Satoshi Seo ,  Tsunenori Suzuki ,  Takeyoshi Watabe ,  Kunihiko Suzuki ,  Toshiki Hamada ,  Rina Nakamura ,  Hayato Yamawaki ,  Ayumi Sato ,  Harue Osaka

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/5092 ,  H01L51/0025 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5072

Abstract: To provide a novel light-emitting element or a highly reliable light-emitting element. To provide a light-emitting device, a display device, an electronic device, and a lighting device each of which can be manufactured at a low cost. To provide a light-emitting element including an anode, a cathode, and an EL layer between the anode and the cathode. The EL layer includes a light-emitting layer and an electron injection transport layer between the light-emitting layer and the cathode, and the amount of a halogen detected from a material forming the electron injection transport layer is less than or equal to 30 ppm.

公开(公告)号：US09748495B2

公开(公告)日：2017-08-29

申请号：US15071727

申请日：2016-03-16

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hiroko Nomura ,  Harue Osaka ,  Takahiro Ushikubo ,  Satoshi Seo

IPC: C07D209/82 ,  H01L51/00 ,  C07D209/86 ,  C07D403/12 ,  C09K11/06 ,  H05B33/14 ,  H05B33/20 ,  H01L51/50

CPC classification number: H01L51/0061 ,  C07D209/86 ,  C07D403/12 ,  C09K11/06 ,  C09K2211/1029 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/5012 ,  H01L51/5056 ,  H05B33/14 ,  H05B33/20 ,  Y10S428/917

Abstract: A carbazole derivative represented by the general formula (1) is provided. In the formula, Ar1 represents a substituted or unsubstituted aryl group having 6 to 10 carbon atoms which form a ring; α and β independently represent a substituted or unsubstituted arylene group having 6 to 12 carbon atoms which form a ring; R1 represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms which form a ring; and R11 to R17 and R21 to R28 independently represent hydrogen, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms which form a ring.