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1. 发明公开

US20240381687A1 DISPLAY APPARATUS, DISPLAY MODULE, AND ELECTRONIC DEVICE 审中-公开
公开(公告)号：US20240381687A1
公开(公告)日：2024-11-14
申请号：US18692944
申请日：2022-09-14
申请人： Semiconductor Energy Laboratory Co., Ltd.
发明人： Nobuharu OHSAWA , Toshiki SASAKI , Shinya SASAGAWA , Ryota HODO , Kentaro SUGAYA , Yoshikazu HIURA , Takahiro FUJIE
IPC分类号： H10K50/17 , H10K50/13 , H10K50/16 , H10K50/19 , H10K59/122 , H10K59/35 , H10K59/80 , H10K85/60 , H10K101/20 , H10K101/30
CPC分类号： H10K50/17 , H10K50/13 , H10K50/16 , H10K50/171 , H10K59/122 , H10K59/80515 , H10K85/649 , H10K50/19 , H10K59/351 , H10K59/353 , H10K2101/20 , H10K2101/30
摘要： A novel display apparatus that is highly convenient, useful, or reliable is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, a first insulating layer, and a second insulating layer. The first light-emitting device includes a first pixel electrode, a common electrode, and a first intermediate layer. The first intermediate layer includes a first inorganic compound and a first organic compound. The first organic compound has an unshared electron pair. The first organic compound interacts with the first inorganic compound to form a singly occupied molecular orbital. The second light-emitting device includes a second pixel electrode, the common electrode, and a second intermediate layer. The second intermediate layer includes the first inorganic compound and the first organic compound. The first insulating layer covers a side surface and part of a top surface of the first intermediate layer and a side surface and part of a top surface of the second intermediate layer. The second insulating layer overlaps with the side surface and the part of the top surface of the first intermediate layer and the side surface and the part of the top surface of the second intermediate layer with the first insulating layer therebetween.

2. 发明公开

US20240284766A1 DISPLAY DEVICE AND ELECTRONIC DEVICE 审中-公开
公开(公告)号：US20240284766A1
公开(公告)日：2024-08-22
申请号：US18569497
申请日：2022-06-06
申请人： SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
发明人： Nobuharu OHSAWA , Takumu OKUYAMA , Satoshi SEO
IPC分类号： H10K59/80 , H10K59/131
CPC分类号： H10K59/878 , H10K59/131
摘要： A novel display device that is highly convenient, useful, or reliable is provided. The display device includes a first light-emitting device, a second light-emitting device, an insulating film, a conductive film, a first reflective film, and a second reflective film; the first light-emitting device includes a first electrode, a second electrode, and a first unit; and the first electrode is interposed between the first unit and the insulating film. The second light-emitting device includes a third electrode, a fourth electrode, and a second unit; the third electrode is interposed between the second unit and the insulating film; and a first gap is provided between the third electrode and the first electrode. The conductive film electrically connects the second electrode and the fourth electrode to each other, and the first gap is interposed between the conductive film and the insulating film. The first reflective film is interposed between the first electrode and the insulating film, and there is a first distance DR between the first reflective film and the second electrode. The second reflective film is interposed between the third electrode and the insulating film, and there is a second distance DG between the second reflective film and the fourth electrode. The second distance DG is longer than the first distance DR and the difference is larger than 20 nm and smaller than 85 nm.

3. 发明公开

US20240260373A1 DISPLAY APPARATUS, DISPLAY MODULE, AND ELECTRONIC DEVICE 审中-公开
公开(公告)号：US20240260373A1
公开(公告)日：2024-08-01
申请号：US18574195
申请日：2022-06-17
申请人： Semiconductor Energy Laboratory Co., Ltd.
发明人： Yoshiyuki KUROKAWA , Sachiko KAWAKAMI , Nobuharu OHSAWA , Daisuke KUBOTA
IPC分类号： H10K59/35 , H10K39/34
CPC分类号： H10K59/353 , H10K39/34 , H10K59/351
摘要： A high-resolution display apparatus having a light detection function is provided. The display apparatus includes a display portion in which a first arrangement pattern and a second arrangement pattern are repeatedly placed in a first direction. In the first arrangement pattern, a first subpixel and a second subpixel are repeatedly arranged in a second direction. In the second arrangement pattern, a third subpixel, a fourth subpixel, and a fifth subpixel are repeatedly arranged in the second direction. Each of the first subpixel to the fourth subpixel includes a light-emitting device. The fifth subpixel includes a light-receiving device. Three or all of light-emitting devices included in the four subpixels can include EL layers with the same structure.

4. 发明公开

US20240065014A1 Light-Emitting Device, Electronic Device, and Lighting Device 审中-公开
公开(公告)号：US20240065014A1
公开(公告)日：2024-02-22
申请号：US18382693
申请日：2023-10-23
申请人： Semiconductor Energy Laboratory Co., Ltd.
发明人： Shunpei YAMAZAKI , Takeyoshi WATABE , Tomohiro KUBOTA , Airi UEDA , Satoshi SEO , Nobuharu OHSAWA , Yuko KUBOTA
IPC分类号： H10K50/115 , H10K50/16 , H10K50/17 , H10K85/60
CPC分类号： H10K50/115 , H10K50/16 , H10K50/17 , H10K85/626
摘要： A light-emitting apparatus with low power consumption is provided. A light-emitting apparatus including a first light-emitting device and a first color conversion layer. The first light-emitting device includes an anode, a cathode, and an EL layer positioned between the anode and the cathode. The EL layer includes a layer including a material with a refractive index lower than or equal to 1.75 at 467 nm. The first color conversion layer includes a first substance capable of emission by absorbing light. Light emitted from the first light-emitting device enters the first color conversion layer.

5. 发明公开

US20230337462A1 LIGHT-EMITTING DEVICE, FUNCTIONAL PANEL, LIGHT-EMITTING APPARATUS, DISPLAY DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE 审中-公开
公开(公告)号：US20230337462A1
公开(公告)日：2023-10-19
申请号：US17928659
申请日：2021-06-15
申请人： Semiconductor Energy Laboratory Co., Ltd.
发明人： Airi UEDA , Takeyoshi WATABE , Yuta KAWANO , Nobuharu OHSAWA , Satoshi SEO
IPC分类号： H10K50/858 , H10K50/16 , H10K50/15
CPC分类号： H10K50/858 , H10K50/166 , H10K50/156 , H10K2101/30
摘要： A novel light-emitting device that is highly convenient, useful, or reliable is provided. The light-emitting device includes a first electrode, a second electrode, a unit, and a first layer. The unit is positioned between the first electrode and the second electrode and includes a second layer, a third layer, and a fourth layer. The second layer is positioned between the third layer and the fourth layer and contains a light-emitting material. The third layer is positioned between the second layer and the second electrode, is in contact with the second layer, and contains a first material, and an organometallic complex of an alkali metal or an organometallic complex of an alkaline earth metal. The fourth layer is positioned between the first electrode and the second layer and contains a second material. The first layer is positioned between the first electrode and the unit and contains a second material and a material having an electron acceptor property. The second material has a first refractive index. The first refractive index is higher than or equal to 1.5 and lower than or equal to 1.75 in a wavelength range of 455 nm to 465 nm inclusive. The second material has a HOMO level. The HOMO level is higher than or equal to −5.7 eV and lower than or equal to −5.3 eV.

6. 发明公开

US20230301178A1 Triarylamine Derivative, Light-Emitting Substance, Light-Emitting Element, Light-Emitting Device, and Electronic Device 审中-公开
公开(公告)号：US20230301178A1
公开(公告)日：2023-09-21
申请号：US18200370
申请日：2023-05-22
申请人： Semiconductor Energy Laboratory Co., Ltd.
发明人： Harue Osaka , Takahiro USHIKUBO , Nobuharu OHSAWA , Satoshi SEO , Tsunenori SUZUKI
IPC分类号： H10K85/60 , C07C211/54 , C09K11/06 , H05B33/14 , H10K85/30 , C09K11/02
CPC分类号： H10K85/633 , C07C211/54 , C09K11/06 , H05B33/14 , H10K85/626 , H10K85/631 , H10K85/342 , H10K85/636 , C09K11/025 , H10K50/14
摘要： 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.

7. 发明申请

US20230095777A1 LIGHT-EMITTING ELEMENT, DISPLAY DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE 有权
公开(公告)号：US20230095777A1
公开(公告)日：2023-03-30
申请号：US17980869
申请日：2022-11-04
申请人： SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
发明人： Satoshi SEO , Nobuharu OHSAWA , Takeyoshi WATABE
IPC分类号： H01L51/50
摘要： Provided is a light-emitting element including a fluorescence-emitting material with high emission efficiency. The light-emitting element includes a pair of electrodes and an EL layer between the pair of electrodes. The EL layer includes a first organic compound, a second organic compound, and a guest material. The first organic compound has a function of emitting a thermally activated delayed fluorescence at room temperature. The guest material has a function of emitting fluorescence. A HOMO level of the first organic compound higher than or equal to a HOMO level of the second organic compound. A LUMO level of the first organic compound is lower than or equal to a LUMO level of the second organic compound.

8. 发明申请

US20230037397A1 Light-Emitting Device, Light-Emitting Apparatus, Electronic Device, and Lighting Device 有权
公开(公告)号：US20230037397A1
公开(公告)日：2023-02-09
申请号：US17780247
申请日：2020-11-18
申请人： Semiconductor Energy Laboratory Co., Ltd.
发明人： Takeyoshi WATABE , Airi UEDA , Nobuharu OHSAWA , Satoshi SEO
IPC分类号： H01L51/52
摘要： A near-infrared organic EL device with favorable efficiency is provided. A light-emitting device including a first electrode, a second electrode, and an EL layer is provided; in which the EL layer is positioned between the first electrode and the second electrode; in which the EL layer emits light having a peak of an emission spectrum in a wavelength range of greater than or equal to 750 nm and less than or equal to 1000 nm; in which one of the first electrode and the second electrode is an electrode having a transmitting property with respect to light with a peak wavelength of the emission spectrum of the EL layer; in which a first layer is provided in contact with a surface of the electrode having a transmitting property, which is opposite to a surface facing the EL layer; in which the first layer contains an organic compound; and in which the first layer has the local maximum value of an extinction coefficient k in the visible light region.

9. 发明申请

US20230029353A1 HOLE-TRANSPORT LAYER MATERIAL, ELECTRON-BLOCKING LAYER MATERIAL, ELECTRON-TRANSPORT LAYER MATERIAL, HOLEBLOCKING LAYER MATERIAL, LIGHT-EMITTING DEVICE, LIGHTEMITTING APPARATUS, ELECTRONIC DEVICE, AND LIGHTING DEVICE 有权
公开(公告)号：US20230029353A1
公开(公告)日：2023-01-26
申请号：US17739260
申请日：2022-05-09
申请人： SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
发明人： Takeyoshi WATABE , Hiromi SEO , Airi UEDA , Yuta KAWANO , Tomohiro KUBOTA , Yasushi KITANO , Takao TOSU , Nobuharu OHSAWA , Satoshi SEO
IPC分类号： H01L51/50 , C07C211/45 , H01L51/42
摘要： An organic semiconductor device with low driving voltage is provided. The light-emitting device includes an anode, a cathode, and an EL layer between the anode and the cathode. The EL layer includes a hole-transport layer and alight-emitting layer. The hole-transport layer is positioned between the anode and the light-emitting layer. The hole-transport layer is not in contact with the anode. The hole-transport layer includes a transport layer material for a light-emitting device and the GSP_slope that is a potential gradient of a surface potential of an evaporated film of the material is higher than or equal to 20 (mV/nm).

10. 发明申请

US20220278292A1 LIGHT-EMITTING DEVICE, DISPLAY DEVICE, LIGHT-EMITTING APPARATUS, ELECTRONIC DEVICE, AND LIGHTING DEVICE 有权
公开(公告)号：US20220278292A1
公开(公告)日：2022-09-01
申请号：US17672799
申请日：2022-02-16
申请人： SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
发明人： Takeyoshi WATABE , Airi UEDA , Yuta KAWANO , Nobuharu OHSAWA , Satoshi SEO
IPC分类号： H01L51/50 , H01L51/52
摘要： A light-emitting device with high emission efficiency is provided. The light-emitting device includes a first electrode, a second electrode, and an EL layer positioned between the first electrode and the second electrode. The EL layer includes at least a light-emitting layer, a first layer, a second layer, and a third layer. The first layer is positioned between the first electrode and the light-emitting layer. The third layer is positioned between the first layer and the light-emitting layer. The second layer is positioned between the first layer and the third layer. The first layer includes a first organic compound. The second layer includes a second organic compound. The third layer includes a third organic compound. The ordinary refractive index of the second organic compound is higher than the ordinary refractive indices of the first organic compound and the third organic compound.

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