公开(公告)号：US12027091B2

公开(公告)日：2024-07-02

申请号：US18296690

申请日：2023-04-06

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Takashi Nakagawa ,  Takayuki Ikeda ,  Hidetomo Kobayashi ,  Hideaki Shishido ,  Shuichi Katsui ,  Kiyotaka Kimura

IPC: G09G3/20 ,  H01L27/12 ,  H01L29/786

CPC classification number: G09G3/20 ,  G09G2300/0814 ,  G09G2310/027 ,  G09G2310/0297 ,  G09G2310/08 ,  H01L27/1225 ,  H01L29/7869

Abstract: A display device with a narrower frame can be provided. In the display device, a first layer, a second layer, and a third layer are provided to be stacked. The first layer includes a gate driver circuit and a data driver circuit, the second layer includes a demultiplexer circuit, and the third layer includes a display portion. In the display portion, pixels are arranged in a matrix, an input terminal of the demultiplexer circuit is electrically connected to the data driver circuit, and an output terminal of the demultiplexer circuit is electrically connected to some of the pixels. The gate driver circuit and the data driver circuit are provided to include a region overlapping some of the pixels. The gate driver circuit and the data driver circuit have a region where they are not strictly separated from each other and overlap each other. Five or more gate driver circuits and five or more data driver circuits can be provided.

公开(公告)号：US11881489B2

公开(公告)日：2024-01-23

申请号：US17991893

申请日：2022-11-22

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hisao Ikeda ,  Kouhei Toyotaka ,  Hideaki Shishido ,  Hiroyuki Miyake ,  Kohei Yokoyama ,  Yasuhiro Jinbo ,  Yoshitaka Dozen ,  Takaaki Nagata ,  Shinichi Hirasa

IPC: H01L27/02 ,  H10K59/35 ,  G09G3/20 ,  G09G3/3233 ,  H01L27/12 ,  H01L29/786 ,  H10K59/131 ,  G09G3/36 ,  G09G5/391

CPC classification number: H01L27/124 ,  G09G3/2003 ,  G09G3/3233 ,  H01L27/1225 ,  H01L27/1266 ,  H01L29/78648 ,  H10K59/131 ,  H10K59/352 ,  H10K59/353 ,  G09G3/3648 ,  G09G5/391 ,  G09G2300/0426 ,  G09G2300/0443 ,  G09G2300/0452 ,  G09G2300/0465 ,  G09G2300/0809 ,  G09G2300/0842 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/0693

Abstract: Provided is a display device with extremely high resolution, a display device with higher display quality, a display device with improved viewing angle characteristics, or a flexible display device. Same-color subpixels are arranged in a zigzag pattern in a predetermined direction. In other words, when attention is paid to a subpixel, another two subpixels exhibiting the same color as the subpixel are preferably located upper right and lower right or upper left and lower left. Each pixel includes three subpixels arranged in an L shape. In addition, two pixels are combined so that pixel units including subpixel are arranged in matrix of 3×2.

公开(公告)号：US11842002B2

公开(公告)日：2023-12-12

申请号：US17760603

申请日：2020-09-22

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kei Takahashi ,  Hidetomo Kobayashi ,  Hajime Kimura ,  Takeshi Osada ,  Hideaki Shishido ,  Kiyotaka Kimura ,  Shuichi Katsui ,  Takeya Hirose ,  Takayuki Ikeda

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G06F3/041 ,  G06F3/042 ,  H01L27/12 ,  H10K30/88 ,  H10K50/844 ,  H10K50/858 ,  H04N25/70 ,  H10K59/40 ,  H10K59/65 ,  H10K65/00

CPC classification number: G06F3/0412 ,  G06F3/0421 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/1207 ,  H10K30/88 ,  H10K50/844 ,  H10K50/858 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2354/00 ,  G09G2360/14 ,  H04N25/70 ,  H10K59/40 ,  H10K59/65 ,  H10K65/00

Abstract: To provide an inexpensive display device. The display device includes a pixel and an IC chip. The pixel includes a first pixel circuit including a display element and a second pixel circuit including a light-receiving device. The one IC chip includes a control circuit, a data driver circuit, and a read circuit. The first and second pixel circuits are electrically connected to the read circuit. The control circuit has a function of controlling driving of the data driver circuit and the read circuit. The data driver circuit has a function of supplying image data to the first pixel circuit. The read circuit has a function of outputting a monitor signal corresponding to a monitor current when the monitor current flows through the first pixel circuit. The read circuit also has a function of outputting an imaging signal corresponding to imaging data acquired by the second pixel circuit.

公开(公告)号：US11791344B2

公开(公告)日：2023-10-17

申请号：US17377787

申请日：2021-07-16

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kouhei Toyotaka ,  Kei Takahashi ,  Hideaki Shishido ,  Koji Kusunoki

IPC: H01L27/12 ,  H01L29/04 ,  H01L29/49 ,  H01L29/786 ,  H10K59/126 ,  H10K59/121

CPC classification number: H01L27/1225 ,  H01L27/124 ,  H01L27/1266 ,  H01L29/045 ,  H01L29/4908 ,  H01L29/7869 ,  H01L29/78648 ,  H10K59/126 ,  H10K59/1213

Abstract: A novel display device or the like in which a transistor connected to a scan line has small gate capacitance is provided. A novel display device or the like in which a scan line has low resistance is provided. A novel display device or the like in which pixels can be arranged with high density is provided. A novel display device or the like that can be manufactured without an increase in cost is provided. In a transistor including a first gate electrode and a second gate electrode, the first gate electrode is formed using a metal material with low resistance and the second gate electrode is formed using a metal oxide material that can reduce oxygen vacancies in an oxide semiconductor layer. The first gate electrode is connected to the scan line, and the second gate electrode is connected to a wiring to which a constant potential is supplied.

公开(公告)号：US20220271109A1

公开(公告)日：2022-08-25

申请号：US17742842

申请日：2022-05-12

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hideaki Shishido ,  Naoto Kusumoto

IPC: H01L27/32 ,  G09G3/3225 ,  G09G3/3233 ,  G06F3/041 ,  G09G3/3258 ,  G09G3/20 ,  H01L29/786 ,  G09G3/36 ,  G02F1/133 ,  H01L51/52 ,  H01L51/10

Abstract: A display device with a narrow bezel is provided. The display device includes a pixel circuit and a driver circuit which are provided on the same plane. The driver circuit includes a selection circuit and a buffer circuit. The selection circuit includes a first transistor. The buffer circuit includes a second transistor. The first transistor has a region overlapping with the second transistor. One of a source and a drain of the first transistor is electrically connected to a gate of the second transistor. One of a source and a drain of the second transistor is electrically connected to the pixel circuit.

公开(公告)号：US10771662B2

公开(公告)日：2020-09-08

申请号：US16383727

申请日：2019-04-15

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Hideaki Shishido

IPC: H04N5/225 ,  G03B15/05 ,  G06F1/16 ,  G09F9/30

Abstract: Provided is an electronic device with high portability, a highly browsable electronic device, or an electronic device having a novel light source that can be used in shooting photographs and video. The electronic device includes a camera and a flexible display portion. The display portion has a first region and a second region. The first region has a function of emitting light to a photographic subject. The second region has a function of displaying an image of the photographic subject shot by the camera. The display portion can be bent so that the first region and the second region face in different directions.

公开(公告)号：US20200152897A1

公开(公告)日：2020-05-14

申请号：US16743220

申请日：2020-01-15

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hideaki Shishido ,  Naoto Kusumoto

IPC: H01L51/10 ,  G02F1/133 ,  H01L27/32 ,  G09G3/36 ,  H01L29/786 ,  G09G3/20 ,  G09G3/3258 ,  G06F3/041 ,  G09G3/3233 ,  G09G3/3225 ,  H01L51/52

Abstract: A display device with a narrow bezel is provided. The display device includes a pixel circuit and a driver circuit which are provided on the same plane. The driver circuit includes a selection circuit and a buffer circuit. The selection circuit includes a first transistor. The buffer circuit includes a second transistor. The first transistor has a region overlapping with the second transistor. One of a source and a drain of the first transistor is electrically connected to a gate of the second transistor. One of a source and a drain of the second transistor is electrically connected to the pixel circuit.

公开(公告)号：US10340021B2

公开(公告)日：2019-07-02

申请号：US15203885

申请日：2016-07-07

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Seiko Amano ,  Kouhei Toyotaka ,  Hiroyuki Miyake ,  Aya Miyazaki ,  Hideaki Shishido ,  Koji Kusunoki

IPC: G11C19/00 ,  G11C19/28 ,  G11C19/18 ,  H03K19/00 ,  H01L25/03 ,  H05K7/02 ,  G09G3/36 ,  H01L27/12

Abstract: An object is to provide a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit. A pulse signal output circuit according to one embodiment of the disclosed invention includes first to tenth transistors. The ratio W/L of the channel width W to the channel length L of the first transistor and W/L of the third transistor are each larger than W/L of the sixth transistor. W/L of the fifth transistor is larger than W/L of the sixth transistor. W/L of the fifth transistor is equal to W/L of the seventh transistor. W/L of the third transistor is larger than W/L of the fourth transistor. With such a structure, a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit can be provided.

公开(公告)号：US10264184B2

公开(公告)日：2019-04-16

申请号：US15408642

申请日：2017-01-18

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Hideaki Shishido

IPC: H04N5/232 ,  H04N5/225 ,  G09F9/30 ,  G06F1/16 ,  H04N5/235 ,  G03B15/05 ,  F21Y105/00

Abstract: Provided is an electronic device with high portability, a highly browsable electronic device, or an electronic device having a novel light source that can be used in shooting photographs and video. The electronic device includes a camera and a flexible display portion. The display portion has a first region and a second region. The first region has a function of emitting light to a photographic subject. The second region has a function of displaying an image of the photographic subject shot by the camera. The display portion can be bent so that the first region and the second region face in different directions.

公开(公告)号：US10073571B2

公开(公告)日：2018-09-11

申请号：US14691933

申请日：2015-04-21

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kazunori Watanabe ,  Hiroyuki Miyake ,  Yuji Iwaki ,  Hideaki Shishido ,  Kouhei Toyotaka ,  Koji Kusunoki

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333

CPC classification number: G06F3/044 ,  G02F1/13338 ,  G06F3/0412 ,  G06F2203/04102

Abstract: To increase the detection sensitivity of a touch panel, increase the visibility of a touch panel, provide a bendable touch panel, provide a thin touch panel, or provide a lightweight touch panel. The touch sensor has a first substrate, a first conductive layer, a second conductive layer, and an insulating layer. The first conductive layer includes a region between the first substrate and the second conductive layer. The insulating layer includes a region between the first conductive layer and the second conductive layer. The first conductive layer, the second conductive layer, and the insulating layer form a capacitor. The second conductive layer has an opening. The opening in the second conductive layer and the first conductive layer overlap with each other in a region.