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公开(公告)号：US20250130433A1
公开(公告)日：2025-04-24
申请号：US18835811
申请日：2023-01-27
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Koji KUSUNOKI , Yosuke TSUKAMOTO , Hisao IKEDA , Ryo HATSUMI , Daiki NAKAMURA
Abstract: An electronic device that can easily increase the viewing angle and has a reduced screen-door effect is provided. In the electronic device, images displayed on a display panel with a low pixel density and a display panel with a high pixel density are synthesized to be seen. The electronic device includes a first display panel that has a relatively large screen size and a low pixel density, and a second display panel and a third display panel each of which has a relatively small screen size and a high pixel density. The electronic device is configured such that visual information enters the central field of view from the second display panel or the third display panel and visual information enters the peripheral field of view from the first display panel. Such a configuration can easily increase the viewing angle and reduce the screen-door effect.
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公开(公告)号：US20240393611A1
公开(公告)日：2024-11-28
申请号：US18797906
申请日：2024-08-08
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Takeya HIROSE , Ryo HATSUMI , Hisao IKEDA , Daiki NAKAMURA , Yosuke TSUKAMOTO
Abstract: An optical device with less influence of stray light is provided. The optical device is thin and includes a half mirror, a first lens, a retardation plate, a reflective polarizing plate, and a second lens. In the optical device, a geometric phase lens which has negative and positive refractive power is used as the first lens, whereby images can be focused after magnified optically. Thus, the optical device can have a wide viewing angle. In the case where stray light occurs due to birefringence of an optical material, negative refractive power of the first lens can prevent the stray light from being focused on the eye direction. Accordingly, image degradation recognized due to stray light can be prevented.
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公开(公告)号：US20240389442A1
公开(公告)日：2024-11-21
申请号：US18693773
申请日：2022-09-12
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Kazuya SUGIMOTO , Ryo HATSUMI , Daisuke KUBOTA , Rai SATO , Masataka NAKADA , Yasutaka NAKAZAWA
Abstract: A display apparatus having an image capturing function is provided. An image capturing device or a display apparatus capable of high-sensitivity image capturing can be provided. The display apparatus includes a first substrate, a second substrate facing the first substrate, a light-emitting element over the first substrate, a light-receiving element adjacent to the light-emitting element, a first light-blocking layer over the first substrate, a second light-blocking layer on the surface of the second substrate facing the first substrate, and a third light-blocking layer on the surface of the second light-blocking layer facing the first substrate. Each of the first to third light-blocking layers is provided between the light-emitting element and the light-receiving element in a plan view. The first light-blocking layer and the third light-blocking layer are provided so as to have a space between each other in a plan view.
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公开(公告)号：US20240389441A1
公开(公告)日：2024-11-21
申请号：US18692873
申请日：2022-09-22
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Daisuke KUBOTA , Ryo HATSUMI , Rai SATO , Masataka NAKADA , Yasutaka NAKAZAWA
Abstract: A display apparatus having an image capturing function is provided. Noise in image capturing is reduced. The display apparatus includes a first pixel electrode, a second pixel electrode, a first organic layer, a second organic layer, a common electrode, a spacer, a protective layer, and a light-blocking layer. The first organic layer is provided over the first pixel electrode. The second organic layer is provided over the second pixel electrode. The common electrode includes a portion overlapping with the first pixel electrode with the first organic layer positioned therebetween and a portion overlapping with the second pixel electrode with the second organic layer positioned therebetween. The protective layer is provided to cover the common electrode. The spacer has a light-transmitting property with respect to visible light and includes a portion overlapping with the first pixel electrode with the protective layer, the common electrode, and the first organic layer positioned therebetween. The light-blocking layer is provided over the spacer and includes an opening overlapping with the second pixel electrode. The first organic layer includes a photoelectric conversion layer, and the second organic layer includes a light-emitting layer.
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公开(公告)号：US20240377682A1
公开(公告)日：2024-11-14
申请号：US18779714
申请日：2024-07-22
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Ryo HATSUMI , Daisuke KUBOTA , Hiroyuki MIYAKE
IPC: G02F1/1343 , G02F1/1333 , G02F1/1337 , G02F1/1362
Abstract: A display device with less light leakage and excellent contrast is provided. A display device having a high aperture ratio and including a large-capacitance capacitor is provided. A display device in which wiring delay due to parasitic capacitance is reduced is provided. A display device includes a transistor over a substrate, a pixel electrode connected to the transistor, a signal line electrically connected to the transistor, a scan line electrically connected to the transistor and intersecting with the signal line, and a common electrode overlapping with the pixel electrode and the signal line with an insulating film provided therebetween. The common electrode includes stripe regions extending in a direction intersecting with the signal line.
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Patent Agency Ranking
公开(公告)号：US20240334791A1
公开(公告)日：2024-10-03
申请号：US18294845
申请日：2022-07-26
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Hisao IKEDA , Daiki NAKAMURA , Ryo HATSUMI , Shunpei YAMAZAKI
CPC classification number: H10K59/879 , H10K59/65
Abstract: A display apparatus with high display quality is provided. The display apparatus includes a light-emitting device, a light-receiving device, a first plano-convex lens, and a second plano-convex lens. The light-emitting device and the first plano-convex lens have an overlap region. The light-receiving device and the second plano-convex lens have an overlap region. The light-emitting device and the light-receiving device each include a pair of electrodes and an organic compound provided between the pair of electrodes. One of the pair of electrodes is a conductive film having a light-transmitting property with respect to visible light. The first plano-convex lens and the second plano-convex lens are provided so that a surface opposite to a convex surface is in contact with the conductive film. A refractive index of the plano-convex lenses is greater than a refractive index of the conductive film.
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公开(公告)号：US20240315108A1
公开(公告)日：2024-09-19
申请号：US18672210
申请日：2024-05-23
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Ryo HATSUMI , Taisuke KAMADA , Daisuke KUBOTA , Rai SATO , Hiroki ADACHI , Ryo YAMAUCHI , Kazunori WATANABE
IPC: H10K59/60 , G09G3/30 , G09G3/3208 , H10K50/86 , H10K59/30
CPC classification number: H10K59/60 , G09G3/30 , G09G3/3208 , H10K50/865 , H10K59/30 , G09G2360/142
Abstract: A display device having a function of sensing light is provided. The display device includes a first substrate, a second substrate, a light-receiving element, a light-emitting element, a resin layer, and a light shielding layer. The light-receiving element, the light-emitting element, the resin layer, and the light shielding layer are each positioned between the first substrate and the second substrate. The light-receiving element includes a first pixel electrode over the first substrate, an active layer over the first pixel electrode, and a common electrode over the active layer. The light-emitting element includes a second pixel electrode over the first substrate, a first light-emitting layer over the second pixel electrode, and the common electrode over the first light-emitting layer. The resin layer and the light shielding layer are each positioned between the common electrode and the second substrate. The resin layer includes a portion overlapping with the light-emitting element. The light shielding layer includes a portion positioned between the common electrode and the resin layer. The resin layer includes a portion overlapping with the light-receiving element or is provided in an island shape. At least part of light passing through the second substrate enters the light-receiving element without through the resin layer.
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公开(公告)号：US20240206306A1
公开(公告)日：2024-06-20
申请号：US18592944
申请日：2024-03-01
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Taisuke KAMADA , Ryo HATSUMI , Daisuke KUBOTA , Naoaki HASHIMOTO , Tsunenori SUZUKI , Harue OSAKA , Satoshi SEO
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.
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公开(公告)号：US20240186332A1
公开(公告)日：2024-06-06
申请号：US18539698
申请日：2023-12-14
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Daisuke KUBOTA , Ryo HATSUMI
IPC: H01L27/12 , G02F1/1337 , G02F1/1343 , G02F1/136 , G02F1/1362 , G02F1/1368 , H01L29/04 , H01L29/786
CPC classification number: H01L27/124 , G02F1/133707 , G02F1/134309 , G02F1/134336 , G02F1/1362 , G02F1/1368 , H01L27/1225 , H01L27/1248 , H01L27/1255 , G02F1/13606 , H01L27/1229 , H01L29/045 , H01L29/7869
Abstract: To provide a display device with excellent display quality, in a display device including a signal line, a scan line, a transistor, a pixel electrode, and a common electrode in a pixel, the common electrode is included in which an extending direction of a region overlapping with the signal line differs from an extending direction of a region overlapping with the pixel electrode in a planar shape and the extending directions intersect with each other between the signal line and the pixel electrode. Thus, a change in transmittance of the pixel can be suppressed; accordingly, flickers can be reduced.
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公开(公告)号：US20240114720A1
公开(公告)日：2024-04-04
申请号：US18263908
申请日：2022-01-25
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Daisuke KUBOTA , Ryo HATSUMI , Yasuhiro NIIKURA
CPC classification number: H10K59/1201 , H10K39/34 , H10K71/231
Abstract: A method of manufacturing a high-resolution display apparatus having a light sensing function is provided. The method for manufacturing a display apparatus includes: a first step of forming a first pixel electrode and a second pixel electrode; a second step of depositing a light-emitting and light-receiving film over the first pixel electrode and the second pixel electrode; a third step of depositing a first sacrificial film covering the light-emitting and light-receiving film; a fourth step of etching the first sacrificial film and the light-emitting and light-receiving film to form a light-emitting and light-receiving layer and a first sacrificial layer over the light-emitting and light-receiving layer and to expose the second pixel electrode; a fifth step of depositing an EL film over the first sacrificial layer and over the second pixel electrode; a sixth step of depositing a second sacrificial film covering the EL film; a seventh step of etching the second sacrificial film and the EL film to form an EL layer and a second sacrificial layer over the EL layer; an eighth step of removing the first sacrificial layer and the second sacrificial layer and exposing the light-emitting and light-receiving layer and the EL layer; and a ninth step of forming a common electrode covering the light-emitting and light-receiving layer and the EL layer.
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