公开(公告)号：US20200083260A1

公开(公告)日：2020-03-12

申请号：US16683871

申请日：2019-11-14

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hiroyuki Miyake

IPC: H01L27/12 ,  G09G3/3291 ,  G09G3/3233 ,  G09G3/3266 ,  H01L29/786

Abstract: First to fourth switches are provided so that conduction states are able to be controlled independently of each other. The first switch, the third switch, and the second switch are electrically connected in series between a first wiring and a third wiring. The fourth switch has a function of controlling a conduction state between the light-emitting element and a fourth wiring. In a first transistor, a gate is electrically connected to a node to which the third switch and the second switch are electrically connected, one of a source and a drain is electrically connected to a second wiring, and the other is electrically connected to the light-emitting element. A capacitor includes first and second electrodes, the first electrode is electrically connected to a node to which the first switch and the third switch are electrically connected, and the second electrode is electrically connected to the light-emitting element.

公开(公告)号：US10580508B2

公开(公告)日：2020-03-03

申请号：US16547976

申请日：2019-08-22

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Masayuki Sakakura ,  Yuugo Goto ,  Hiroyuki Miyake ,  Daisuke Kurosaki

IPC: G11C19/18 ,  H01L27/12 ,  H01L27/02

Abstract: A semiconductor device in which a decrease in the yield by electrostatic destruction can be prevented is provided. A scan line driver circuit for supplying a signal for selecting a plurality of pixels to a scan line includes a shift register for generating the signal. One conductive film functioning as respective gate electrodes of a plurality of transistors in the shift register is divided into a plurality of conductive films. The divided conductive films are electrically connected to each other by a conductive film which is formed in a layer different from the divided conductive films are formed. The plurality of transistors includes a transistor on an output side of the shift register.

公开(公告)号：US10573667B2

公开(公告)日：2020-02-25

申请号：US15366255

申请日：2016-12-01

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: H01L27/12 ,  H01L27/32 ,  G09G3/20 ,  G09G3/3233 ,  G09G3/36 ,  G09G5/391

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：US10539839B2

公开(公告)日：2020-01-21

申请号：US15545411

申请日：2016-02-03

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hiroyuki Miyake ,  Makoto Kaneyasu

IPC: H01L29/10 ,  H01L29/12 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1335

Abstract: A display device in which parasitic capacitance between wirings can be reduced is provided. Furthermore, a display device in which display quality is improved is provided. Furthermore, a display device in which power consumption can be reduced is provided. The display device includes a signal line, a scan line, a first electrode, a second electrode, a third electrode, a first pixel electrode, a second pixel electrode, and a semiconductor film. The signal line intersects with the scan line, the first electrode is electrically connected to the signal line, the first electrode has a region overlapping with the scan line, the second electrode faces the first electrode, the third electrode faces the first electrode, the first pixel electrode is electrically connected to the second electrode, the second pixel electrode is electrically connected to the third electrode, the semiconductor film is in contact with the first electrode, the second electrode, and the third electrode, and the semiconductor film is provided between the scan line and the first electrode to the third electrode.

公开(公告)号：US10521032B2

公开(公告)日：2019-12-31

申请号：US14695737

申请日：2015-04-24

Applicant: Semiconductor Energy Laboratory Co., LTD.

Inventor： Kei Takahashi ,  Hiroyuki Miyake

IPC: G06F3/041 ,  G09G3/32 ,  G09G3/3233

Abstract: A circuit which detects an output current from a pixel and an output current from an input device, and converts the output current into data is provided. The current detection circuit includes an integrator circuit, a comparator, a counter, and a latch. The integrator circuit integrates the potential of a first signal during a period determined by a second signal and outputting it as a third signal. The comparator compares the potential of the third signal with a first potential and outputting a fourth signal. The counter outputs the number of pulses included in a fifth signal as a sixth signal during a period determined by the fourth signal. The latch holds the sixth signal. The integrator circuit preferably further includes an operational amplifier and some capacitors. The first signal is supplied from a pixel included in a display device or an input portion included in an input device.

公开(公告)号：US10423254B2

公开(公告)日：2019-09-24

申请号：US15159020

申请日：2016-05-19

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Hiroyuki Miyake ,  Hideaki Shishido ,  Susumu Kawashima ,  Shunpei Yamazaki

IPC: G09G3/30 ,  G06F3/041 ,  H01L27/12 ,  G06F3/044

Abstract: A semiconductor device including a transistor includes a pixel circuit, a monitor circuit, and a correction circuit. The pixel circuit includes a selection transistor, a driving transistor, and a light-emitting element. The monitor circuit includes a monitor light-emitting element and a monitor transistor. The semiconductor device obtains the value of current flowing to the monitor light-emitting element and the monitor transistor and controls the value of current flowing to the light-emitting element and the driving transistor by the correction circuit.

公开(公告)号：US10379414B2

公开(公告)日：2019-08-13

申请号：US15552818

申请日：2016-02-23

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Shunpei Yamazaki ,  Kensuke Yoshizumi ,  Hiroyuki Miyake

IPC: G09G3/36 ,  G09G5/34 ,  G06F3/041 ,  G02F1/1333 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1362 ,  H01L29/786

Abstract: An object of the present invention is to provide a display device having a function of performing display that is less likely to cause eye strain.In the configuration of the display device of the present invention, one of a source and a drain of a transistor (510) is electrically connected to one electrode of a resistor (580) and one electrode of a first capacitor (550), the other electrode of the resistor (580) is electrically connected to a first wiring (610), the other of the source and the drain of the transistor (510) is electrically connected to one electrode of a liquid crystal element (570) and one electrode of a second capacitor (560), and a gate of the transistor (510) is electrically connected to a second wiring (620).

公开(公告)号：US10373983B2

公开(公告)日：2019-08-06

申请号：US15664703

申请日：2017-07-31

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kei Takahashi ,  Hiroyuki Miyake

IPC: H01L27/00 ,  G09G3/3233 ,  H01L27/12 ,  G09G3/3266 ,  G09G3/3275 ,  G11C19/28

Abstract: A display device including a display portion with an extremely high resolution is provided. The display device includes a pixel circuit and a light-emitting element. The pixel circuit includes a first element layer including a first transistor and a second element layer including a second transistor. A channel formation region of the first transistor includes silicon. The first transistor has a function of driving the light-emitting element. The second transistor functions as a switch. A channel formation region of the second transistor includes a metal oxide. The metal oxide functions as a semiconductor. The second element layer is provided over the first element layer.

公开(公告)号：US10359810B2

公开(公告)日：2019-07-23

申请号：US15473704

申请日：2017-03-30

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hiroyuki Miyake ,  Hisao Ikeda

IPC: G06F1/16 ,  H01L51/00 ,  H01L23/00 ,  H01L27/32 ,  H01L51/52

Abstract: To provide a display device that is suitable for increasing in size, a display device in which display unevenness is suppressed, or a display device that can display an image along a curved surface. The display device includes a first display panel and a second display panel each including a pair of substrates. The first display panel and the second display panel each include a first region which can transmit visible light, a second region which can block visible light, and a third region which can perform display. The third region of the first display panel and the first region of the second display panel overlap each other. The third region of the first display panel and the second region of the second display panel do not overlap each other.

公开(公告)号：US10304555B2

公开(公告)日：2019-05-28

申请号：US15410043

申请日：2017-01-19

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Hiroyuki Miyake ,  Kouhei Toyotaka

IPC: H01L27/12 ,  G02F1/1368 ,  G11C19/28 ,  H01L29/786 ,  G02F1/1362 ,  G09G3/36

Abstract: To provide a semiconductor device having a high aperture ratio and including a capacitor with a high charge capacitance. To provide a semiconductor device with a narrow bezel. A transistor over a substrate; a first conductive film over a surface over which a gate electrode of the transistor is provided; a second conductive film over a surface over which a pair of electrodes of the transistor is provided; and a first light-transmitting conductive film electrically connected to the first conductive film and the second conductive film are included. The second conductive film overlaps the first conductive film with a gate insulating film of the transistor laid between the second conductive film and the first conductive film.