公开(公告)号：US12150367B2

公开(公告)日：2024-11-19

申请号：US18021024

申请日：2021-08-31

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Shingo Eguchi ,  Daisuke Kubota ,  Koji Kusunoki ,  Kazunori Watanabe

IPC: G06V40/13 ,  H04M1/02 ,  H10K59/40 ,  H10K59/65 ,  H10K59/80

Abstract: A display device having both a touch detection function and a function of capturing an image of a shape of a fingerprint or a vein is provided. The display device includes a first substrate, a first light-emitting element, a second light-emitting element, a light-receiving element, a light-blocking layer, a first resin layer, and a second resin layer. The first light-emitting element and the light-receiving element are arranged over the first substrate, and the first resin layer is provided over the first light-emitting element and the light-receiving element. The light-blocking layer is provided over the first resin layer, and the second light-emitting element is provided over the light-blocking layer. The second resin layer is provided over the second light-emitting layer. The first light-emitting element emits visible light upward, and the second light-emitting element emits invisible light upward. The light-receiving element is a photoelectric conversion element having sensitivity to visible light and invisible light. In a plan view, the light-blocking layer includes a portion positioned between the first light-emitting element and the light-receiving element, and the second light-emitting element overlaps with the light-blocking layer and is positioned inside the outline of the light-blocking layer.

公开(公告)号：US12073651B2

公开(公告)日：2024-08-27

申请号：US17923282

申请日：2021-06-14

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Koji Kusunoki ,  Daisuke Kubota ,  Ryo Hatsumi

IPC: G06V40/13 ,  G06F3/042 ,  G06F1/16

CPC classification number: G06V40/1318 ,  G06F3/042 ,  G06F1/163

Abstract: An electronic device having an authentication method with a high security level is provided. The electronic device includes a pixel portion, a sensor portion, an authentication portion, and a housing. The pixel portion includes a display element and a light-receiving element. The pixel portion has a function of turning on the display element. The pixel portion has a function of obtaining authentication information by capturing an image of a target object touching the pixel portion. The sensor portion has a function of detecting attachment or detachment to a living body or an object. The authentication portion has a function of performing authentication processing with the use of the authentication information. The housing includes a first surface and a second surface opposite to the first surface. The pixel portion is positioned on the first surface and the sensor portion is positioned on the second surface.

公开(公告)号：US12069876B2

公开(公告)日：2024-08-20

申请号：US18546685

申请日：2022-02-14

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Koji Kusunoki ,  Kazunori Watanabe ,  Tomoaki Atsumi ,  Satoshi Yoshimoto

IPC: G02F1/1333 ,  G06F3/042 ,  G06V40/13 ,  G09G3/3233 ,  H10K39/34 ,  H10K59/131

CPC classification number: H10K39/34 ,  G06F3/042 ,  G06V40/1318 ,  G09G3/3233 ,  H10K59/131 ,  G06F2203/04108 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2354/00 ,  G09G2360/14

Abstract: A semiconductor device having a light sensing function and including a high-resolution display portion is provided. The semiconductor device includes a plurality of pixels, and the pixels each include first and second light-receiving devices, first to fifth transistors, a capacitor, and a first wiring. One electrode of the first light-receiving device is electrically connected to the first wiring, and the other electrode is electrically connected to one of a source and a drain of the first transistor. One electrode of the second light-receiving device is electrically connected to the first wiring, and the other electrode is electrically connected to one of a source and a drain of the second transistor. The other of the source and the drain of the second transistor is electrically connected to the other of the source and the drain of the first transistor. The other of the source and the drain of the first transistor is electrically connected to one electrode of the capacitor, one of a source and a drain of the third transistor, and a gate of the fourth transistor.

公开(公告)号：US11940703B2

公开(公告)日：2024-03-26

申请号：US18202557

申请日：2023-05-26

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kouhei Toyotaka ,  Kazunori Watanabe ,  Susumu Kawashima ,  Kei Takahashi ,  Koji Kusunoki ,  Masataka Nakada ,  Ami Sato

IPC: G02F1/1368 ,  G02F1/1362

CPC classification number: G02F1/1368 ,  G02F1/136227

Abstract: A liquid crystal display device with a high aperture ratio is provided. The display device includes a transistor, a first insulating layer, a second insulating layer, a third insulating layer, a first conductive layer, a pixel electrode, a common electrode, and a liquid crystal layer in a pixel. The first insulating layer is positioned over a channel formation region of the transistor. The first conductive layer is positioned over the first insulating layer. The second insulating layer is positioned over the transistor, the first insulating layer, and the first conductive layer. The pixel electrode is positioned over the second insulating layer, the third insulating layer is positioned over the pixel electrode, the common electrode is positioned over the third insulating layer, and the liquid crystal layer is positioned over the common electrode. The common electrode includes a region overlapping with the first conductive layer with the pixel electrode positioned therebetween. The pixel includes a first connection portion where the pixel electrode is electrically connected to the transistor and a second connection portion where the first conductive layer is electrically connected to the common electrode. The first conductive layer, the pixel electrode, and the common electrode each have a function of transmitting visible light.

公开(公告)号：US11908850B2

公开(公告)日：2024-02-20

申请号：US17270081

申请日：2019-08-22

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Shunpei Yamazaki ,  Koji Kusunoki ,  Shingo Eguchi ,  Takayuki Ikeda

IPC: H01L25/16 ,  H01L27/12 ,  H01L33/52 ,  H01L25/18 ,  H01L33/00 ,  G06F3/044 ,  H01L23/00 ,  H01L25/065 ,  H01L25/00 ,  H01L27/15

CPC classification number: H01L25/18 ,  G06F3/044 ,  H01L24/94 ,  H01L25/0657 ,  H01L25/167 ,  H01L25/50 ,  H01L33/0093 ,  G06F2203/04103 ,  H01L24/16 ,  H01L27/1225 ,  H01L27/156 ,  H01L2224/16145 ,  H01L2225/06513 ,  H01L2924/12041

Abstract: A display device with high resolution is provided. A display device with high display quality is provided. The display device includes a substrate, an insulating layer, a plurality of transistors, and a plurality of light-emitting diodes. The plurality of light-emitting diodes are provided in a matrix over the substrate. Each of the plurality of transistors is electrically connected to at least one of the plurality of light-emitting diodes. The plurality of light-emitting diodes are positioned closer to the substrate than the plurality of transistors are. The plurality of light-emitting diodes emit light toward the substrate. Each of the plurality of transistors includes a metal oxide layer and a gate electrode. The metal oxide layer includes a channel formation region. The top surface of the gate electrode is substantially level with the top surface of the insulating layer.

公开(公告)号：US11844236B2

公开(公告)日：2023-12-12

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: G02B27/09 ,  H10K50/858 ,  H10K50/00 ,  H10K59/60 ,  G02B3/00 ,  H10K59/00 ,  G06F3/042 ,  G09F9/30 ,  H05B33/02 ,  G06F3/0354 ,  G06F3/041 ,  G06F3/147 ,  G09G3/30 ,  G09G3/3225 ,  H10K59/12 ,  G06F3/16

CPC classification number: H10K50/858 ,  G02B3/00 ,  G02B3/0056 ,  G02B27/0955 ,  G06F3/03545 ,  G06F3/042 ,  G06F3/0412 ,  G06F3/0421 ,  G06F3/147 ,  G09F9/30 ,  G09G3/30 ,  G09G3/3225 ,  H05B33/02 ,  H10K50/00 ,  H10K59/00 ,  H10K59/12 ,  H10K59/60 ,  G06F3/16

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.

公开(公告)号：US11817053B2

公开(公告)日：2023-11-14

申请号：US17730583

申请日：2022-04-27

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kazunori Watanabe ,  Susumu Kawashima ,  Koji Kusunoki

IPC: G09G3/3233 ,  G09G3/3275 ,  G09G3/20 ,  H10K59/131

CPC classification number: G09G3/3233 ,  G09G3/2003 ,  G09G3/3275 ,  H10K59/131 ,  G09G2300/0452

Abstract: A display device that can easily achieve higher definition is provided The display device includes a pixel, a first wiring, and a second wiring. The pixel includes first to fourth transistors, a first capacitor, and a light-emitting element. One of a source and a drain of the first transistor is connected to the first wiring, and the other of the source and the drain of the first transistor is connected to a gate of the second transistor and to the first capacitor. The light-emitting element is connected to one of a source and a drain of the second transistor. The first wiring is supplied with a first data potential. The second wiring is supplied with a second data potential and a reset potential in different periods. The third transistor supplies the second data potential to the first capacitor. The fourth transistor supplies the reset potential to the light-emitting element.

公开(公告)号：US11804064B2

公开(公告)日：2023-10-31

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 ,  G06V40/12 ,  G06V40/50 ,  G06F3/041 ,  G06F3/042 ,  H10K65/00

CPC classification number: G06V40/1318 ,  G06F3/042 ,  G06F3/0412 ,  G06V40/1365 ,  G06V40/50 ,  H10K65/00

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：US11774816B2

公开(公告)日：2023-10-03

申请号：US17288690

申请日：2019-10-22

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Koji Kusunoki ,  Susumu Kawashima ,  Daisuke Kubota ,  Tetsuji Ishitani ,  Akio Yamashita

IPC: G02F1/1362 ,  G02F1/1333 ,  G02F1/137 ,  C09K19/38 ,  G02F1/1343 ,  G02F1/1368

CPC classification number: G02F1/13624 ,  C09K19/3857 ,  G02F1/1368 ,  G02F1/13439 ,  G02F1/13756 ,  G02F1/133345 ,  G02F1/133357 ,  G02F1/133365 ,  G02F1/136227

Abstract: A display device with a high aperture ratio is provided. The display device includes, in a pixel, a first transistor, a second transistor, a first insulating layer, a second insulating layer, a conductive layer, a pixel electrode, a layer containing a liquid crystal material, and a common electrode. The first insulating layer is positioned over a channel formation region of the first transistor. The conductive layer is positioned over the first insulating layer. The second insulating layer is positioned over the first transistor, the second transistor, the first insulating layer, and the conductive layer. The pixel electrode is positioned over the second insulating layer, the layer containing a liquid crystal material is positioned over the pixel electrode, and the common electrode is positioned over the layer containing a liquid crystal material. The common electrode overlaps with the conductive layer with the layer containing a liquid crystal material and the pixel electrode therebetween. The pixel includes a first connection portion where the conductive layer is electrically connected to the first transistor and a second connection portion where the pixel electrode is electrically connected to the second transistor. The conductive layer, the pixel electrode, and the common electrode each have a function of transmitting visible light.

公开(公告)号：US11741209B2

公开(公告)日：2023-08-29

申请号：US17623294

申请日：2020-06-30

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Satoshi Yoshimoto ,  Susumu Kawashima ,  Koji Kusunoki ,  Kazunori Watanabe

IPC: G06F3/041 ,  G06F21/32 ,  G06V40/13

CPC classification number: G06F21/32 ,  G06F3/0412 ,  G06F3/04164 ,  G06V40/1318

Abstract: A semiconductor device including a biometric recognition function and a touch sensor or near touch sensor function is provided. The semiconductor device includes a light-emitting device and an imaging device. The imaging device includes a gate driver circuit and m rows of pixels (m is an integer more than or equal to 2). The gate driver circuit includes a plurality of first register circuits and second register circuits whose number is less than that of the first register circuits. The first register circuits are connected with each other in series and the second register circuits are connected with each other in series. The gate driver circuit has a function of operating in the first mode and the second mode. In the first mode, the first register circuits are in the on state and the second register circuits are in the off state, and in the second mode, the second register circuits are in the on state and the first register circuits are in the off state.