公开(公告)号：US20240330427A1

公开(公告)日：2024-10-03

申请号：US18743432

申请日：2024-06-14

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daisuke KUBOTA ,  Ryo HATSUMI ,  Taisuke KAMADA ,  Rihoko OHMURA

IPC: G06F21/32 ,  G06F3/04886 ,  G06V40/13

CPC classification number: G06F21/32 ,  G06F3/04886 ,  G06V40/13

Abstract: To provide a highly secure electronic device. The electronic device includes a control portion, a detection portion, and a memory portion. The detection portion has a function of detecting touch operation and a function of obtaining first finger data on a touching finger. The memory portion has a function of retaining second finger data registered in advance. The control portion has functions of comparing the first finger data with the second finger data and executing predetermined processing when these data match. The first finger data includes first fingerprint data and first positional data, and the second finger data includes second fingerprint data and second positional data.

公开(公告)号：US20240237414A1

公开(公告)日：2024-07-11

申请号：US18290224

申请日：2022-04-29

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Daisuke Kubota ,  Kenichi OKAZAKI ,  Ryo HATSUMI ,  Koji KUSUNOKI

IPC: H10K59/122 ,  C23C16/455 ,  H10K59/35 ,  H10K59/82 ,  H10K77/10

CPC classification number: H10K59/122 ,  H10K59/351 ,  H10K59/82 ,  H10K77/10 ,  C23C16/45525

Abstract: A display apparatus having an image capturing function is provided. A display apparatus or an image capturing device with a high aperture ratio is provided. The display apparatus includes a first light-emitting element and a light-receiving element. The first light-emitting element includes a first pixel electrode, a first organic layer, and a common electrode. The light-receiving element includes a second pixel electrode, a second organic layer, and the common electrode. The first organic layer includes a first light-emitting layer, and the second organic layer includes a photoelectric conversion layer. A first layer and a second layer are included in a region between the first light-emitting element and the light-receiving element. The first layer overlaps with the second organic layer and the second pixel electrode and contains a material identical to a material of the first organic layer. The second layer overlaps with the first organic layer and the first pixel electrode and contains a material identical to a material of the second organic layer. In the region between the first light-emitting element and the light-receiving element, an end portion of the first organic layer and an end portion of the first layer face each other and an end portion of the second organic layer and an end portion of the second layer face each other.

公开(公告)号：US20230359076A1

公开(公告)日：2023-11-09

申请号：US18219283

申请日：2023-07-07

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Ryo HATSUMI ,  Tetsuji ISHITANI

IPC: H01L27/12 ,  H01L29/786 ,  H01L29/24 ,  G02F1/1333

CPC classification number: G02F1/13338 ,  H01L27/1225 ,  H01L27/1255 ,  H01L29/24 ,  H01L29/7869 ,  G06F3/0412

Abstract: An increase in fabricating cost of a display module including a touch sensor is suppressed. A display device which includes a first substrate, a second substrate, and liquid crystal interposed between the first substrate and the second substrate includes a display portion. The display portion includes a sensor unit and a pixel. The sensor unit includes a first transistor, a first conductive film electrically connected to a gate of the first transistor, and a second conductive film. At least part of the first conductive film overlaps with at least part of the second conductive film. The pixel includes a second transistor, and a pixel electrode electrically connected to the second transistor. At least part of the pixel electrode overlaps with at least part of the first conductive film.

公开(公告)号：US20230247873A1

公开(公告)日：2023-08-03

申请号：US18012513

申请日：2021-06-24

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daisuke KUBOTA ,  Daiki NAKAMURA ,  Ryo HATSUMI ,  Nozomu SUGISAWA

IPC: H10K59/131 ,  H10K59/123 ,  H10K59/65

CPC classification number: H10K59/131 ,  H10K59/123 ,  H10K59/65 ,  H10K59/40

Abstract: A display apparatus that has a light sensing function is provided. A display apparatus that has high light sensitivity is provided. The display apparatus includes a light-receiving element, a light-emitting element, a conductive layer, and a first wiring. The light-receiving element includes a first pixel electrode, a common layer, an active layer, and a common electrode. The light-emitting element includes a second pixel electrode, the common layer, a light-emitting layer, and the common electrode. The conductive layer is provided over the same surface as the first pixel electrode and the second pixel electrode, is positioned between the first pixel electrode and the second pixel electrode, is electrically connected to the common layer, and is electrically connected to the first wiring to which a first potential is supplied. The common layer includes a portion overlapping with the first pixel electrode, a portion overlapping with the second pixel electrode, and a portion overlapping with the conductive layer. The common electrode includes a portion overlapping with the first pixel electrode and a portion overlapping with the second pixel electrode. The first wiring is provided over a surface different from the surface where the conductive layer is provided.

公开(公告)号：US20230228970A1

公开(公告)日：2023-07-20

申请号：US18095117

申请日：2023-01-10

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Takeya Hirose ,  Hisao IKEDA ,  Ryo HATSUMI ,  Daiki NAKAMURA ,  Yosuke TSUKAMOTO

IPC: G02B7/28 ,  H10K39/34 ,  H10K59/80 ,  G06F1/16

CPC classification number: G02B7/28 ,  H10K39/34 ,  H10K59/879 ,  G06F1/163 ,  H10K59/35

Abstract: A method for operating an electronic device, which is easy on eyes, is provided. The electronic device includes a display device including a light-emitting device and a light-receiving device, and a lens. The method includes a step of displaying an image for focus adjustment of a user's eye; a step of detecting a spot diameter of first light reflected by the user's eye; a step of moving the lens and detecting a spot diameter of second light reflected by the user's eye; a step of determining whether the spot diameter of the second light is smaller than the spot diameter of the first light; a step of further moving the lens and detecting a spot diameter of the third light reflected by the user's eye in the case where the spot diameter of the second light is smaller than the spot diameter of the first light; a step of determining whether the spot diameter of the third light is smaller than the spot diameter of the second light; and a step of moving the lens to a position at which the spot diameter of the first light has been detected, in the case where the spot diameter of the second light is larger than the spot diameter of the first light.

公开(公告)号：US20230019691A1

公开(公告)日：2023-01-19

申请号：US17949661

申请日：2022-09-21

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.

公开(公告)号：US20230019576A1

公开(公告)日：2023-01-19

申请号：US17790866

申请日：2020-12-28

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Taisuke Kamada ,  Ryo HATSUMI ,  Daisuke KUBOTA

IPC: G06V40/13 ,  G06F3/041

Abstract: An electronic device with a high security level is provided. The electronic device includes a control portion, a memory portion, and a display portion. The display portion has a function of displaying a first icon and a function of obtaining first fingerprint data in a display region of the first icon. The memory portion has a function of retaining second fingerprint data. The control portion has a function of comparing the first fingerprint data with the second fingerprint data; a function of executing first processing associated with the first icon in the case where the first fingerprint data and the second fingerprint data match; and a function of executing second processing in the case where the first fingerprint data and the second fingerprint data do not match.

公开(公告)号：US20220327857A1

公开(公告)日：2022-10-13

申请号：US17640543

申请日：2020-09-11

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Koji KUSUNOKI ,  Daisuke KUBOTA ,  Ryo HATSUMI

IPC: G06V40/13 ,  H01L27/28 ,  G06F3/042 ,  G06V40/50 ,  G06V40/12 ,  G06F3/041

Abstract: An electronic device capable of detecting a difference in the way of touch is provided. An electronic device capable of detecting a difference in the way of touch with a small number of components is provided. An electronic device capable of executing various types of processes with simple operation is provided. The electronic device includes a control portion and a display portion. The display portion has a function of displaying an image on a screen and includes a detection portion. The detection portion has a function of detecting a touch operation and a function of imaging, at least twice, a detection object touching the screen. The control portion has a function of calculating a difference between the area of the detection object in first imaging and the area of the detection object in second imaging to execute a different process depending on whether the difference is larger or smaller than a reference.

公开(公告)号：US20220278177A1

公开(公告)日：2022-09-01

申请号：US17625854

申请日：2020-07-08

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daisuke KUBOTA ,  Taisuke KAMADA ,  Ryo HATSUMI ,  Koji KUSUNOKI ,  Kazunori WATANABE ,  Susumu KAWASHIMA

IPC: H01L27/32 ,  H01L51/52

Abstract: The resolution of a display apparatus having alight detection function is increased. The display apparatus includes a light-emitting device and a light-emitting and light-receiving device. The light-emitting device includes a first pixel electrode, a first light-emitting layer, and a common electrode; the light-emitting and light-receiving device includes a second pixel electrode, a second light-emitting layer, an active layer, and the common electrode; the active layer includes an organic compound; the first light-emitting layer is positioned between the first pixel electrode and the common electrode; the second light-emitting layer and the active layer are each positioned between the second pixel electrode and the common electrode; the light-emitting device has a function of emitting light of a first color; and the light-emitting and light-receiving device has a function of emitting light of a second color and a function of receiving light of the first color. The light-emitting and light-receiving device functions as both a light-emitting device and a light-receiving device, whereby a pixel can have a light-receiving function without an increase in the number of subpixels included in the pixel. Furthermore, the pixel can be provided with a light-receiving function without a reduction in the resolution of the display apparatus or a reduction in the aperture ratio of each subpixel.

公开(公告)号：US20220255045A1

公开(公告)日：2022-08-11

申请号：US17624593

申请日：2020-06-29

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Shunpei YAMAZAKI ,  Daiki NAKAMURA ,  Ryo HATSUMI ,  Rai SATO ,  Shingo EGUCHI ,  Koji KUSUNOKI

IPC: H01L51/52 ,  G02B27/09

Abstract: A novel functional panel that is highly convenient, useful, or reliable is provided. The functional panel includes a base material and a pair of pixels, and the base material covers the pair of pixels and has a light-transmitting property. The pair of pixels includes one pixel and another pixel, and the one pixel includes a light-emitting device and a first microlens. The light-emitting device emits light toward the base material, and the first microlens is interposed between the base material and the light emission and converges light. The first microlens includes a first surface and a second surface; the second surface is closer to the light-emitting device than the first surface is; and the second surface has a smaller radius of curvature than the first surface. The other pixel includes a photoelectric conversion device and a second microlens. The second microlens is interposed between the base material and the photoelectric conversion and converges external light incident from the base material side. The second microlens includes a third surface and a fourth surface; the third surface is closer to the photoelectric conversion device than the fourth surface is; and the fourth surface has a smaller radius of curvature than the third surface.