公开(公告)号：US20220005790A1

公开(公告)日：2022-01-06

申请号：US17270722

申请日：2019-08-26

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kazunori WATANABE ,  Koji KUSUNOKI ,  Taiki NONAKA ,  Hiroki ADACHI ,  Koichi TAKESHIMA

IPC: H01L25/075 ,  H01L27/12 ,  H01L29/786 ,  H01L33/62

Abstract: A display device with high display quality is provided. A display device with low power consumption is provided. In the display device, a first transistor, a second transistor, a first conductive layer, and a light-emitting diode package are included in a pixel. The light-emitting diode package includes a first light-emitting diode, a second light-emitting diode, a second conductive layer, a third conductive layer, and a fourth conductive layer. The first light-emitting diode includes a first electrode and a second electrode. The second light-emitting diode includes a third electrode and a fourth electrode. One of a source and a drain of the first transistor is electrically connected to the first electrode through the second conductive layer. One of a source and a drain of the second transistor is electrically connected to the third electrode through the third conductive layer. The first conductive layer is electrically connected to each of the second electrode and the fourth electrode through the fourth conductive layer. A constant potential is supplied to the first conductive layer.

公开(公告)号：US20210217805A1

公开(公告)日：2021-07-15

申请号：US17055383

申请日：2019-04-26

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Koji KUSUNOKI ,  Shingo EGUCHI ,  Yosuke TSUKAMOTO ,  Kazunori WATANABE ,  Kouhei TOYOTAKA

IPC: H01L27/15 ,  H01L33/62 ,  H01L33/00

Abstract: A display device with high resolution is provided. Manufacturing cost of a display device using a micro LED as a display element is reduced. The display device includes a substrate, 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 are 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 to the opposite side of the substrate.

公开(公告)号：US20210193029A1

公开(公告)日：2021-06-24

申请号：US17271221

申请日：2019-09-03

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Kei TAKAHASHI ,  Susumu KAWASHIMA ,  Koji KUSUNOKI ,  Kazunori WATANABE

IPC: G09G3/32

Abstract: The power consumption of a display device is reduced. The power consumption of a driver circuit in a display device is reduced. A pixel included in the display device includes a display element. The pixel is configured to have a function of retaining a first voltage corresponding to a first input pulse signal and a function of driving the display element with a third voltage obtained by addition of a second voltage corresponding to a second input pulse signal to the first voltage.

公开(公告)号：US20200372868A1

公开(公告)日：2020-11-26

申请号：US16770998

申请日：2018-12-13

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Susumu KAWASHIMA ,  Koji KUSUNOKI ,  Kei TAKAHASHI ,  Kouhei TOYOTAKA ,  Kazunori WATANABE ,  Shigeru ONOYA

IPC: G09G3/36 ,  G02F1/1368 ,  G02F1/1362 ,  H01L27/12 ,  H01L29/24 ,  H01L29/786

Abstract: An object of the present invention is to provide a display device with high display quality. The display device of the present invention includes a pixel and a source driver circuit. The pixel includes first and second transistors (21, 22), a capacitor (25), and a display element (26). The source driver circuit is electrically connected to first and second wirings (31, 32). The first wiring (31) is electrically connected to one electrode of the capacitor 25 and one electrode of the display element (26) through the first transistor (21). The second wiring (32) is electrically connected to the other electrode of the capacitor (25) and the other electrode of the display element (26) through the second transistor (22).

公开(公告)号：US20200312238A1

公开(公告)日：2020-10-01

申请号：US16772912

申请日：2018-12-19

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kazunori WATANABE ,  Kei TAKAHASHI ,  Susumu KAWASHIMA ,  Kouhei TOYOTAKA ,  Koji KUSUNOKI

IPC: G09G3/3225 ,  H01L27/12 ,  G09G3/36

Abstract: A display device capable of improving image quality is provided.A first pixel circuit and a second pixel circuit are included; a memory node is provided in each pixel circuit and a first signal can be retained in the memory node. The first signal is added to a second signal by capacitive coupling, and then can be supplied to a display element. Thus, the display device can display a corrected image. Furthermore, the first pixel circuit and the second pixel circuit share a signal line, whereby the aperture ratio of a pixel can be increased.

公开(公告)号：US20200285334A1

公开(公告)日：2020-09-10

申请号：US16884154

申请日：2020-05-27

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Koji KUSUNOKI ,  Hiroyuki MIYAKE ,  Kazunori WATANABE

IPC: G06F3/044 ,  G06F3/041 ,  G06F1/16 ,  H01L51/00 ,  H01L27/32 ,  G06F3/045 ,  G06F3/0488 ,  G06F15/02

Abstract: To increase the detection sensitivity of a touch panel, provide a thin touch panel, provide a foldable touch panel, or provide a lightweight touch panel. A display element and a capacitor forming a touch sensor are provided between a pair of substrates. Preferably, a pair of conductive layers forming the capacitor each have an opening. The opening and the display element are provided to overlap each other. A light-blocking layer is provided between a substrate on the display surface side and the pair of conductive layers forming the capacitor.

公开(公告)号：US20150346866A1

公开(公告)日：2015-12-03

申请号：US14725205

申请日：2015-05-29

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Koji KUSUNOKI ,  Hiroyuki MIYAKE ,  Kazunori WATANABE

IPC: G06F3/044 ,  G06F3/0488 ,  G06F15/02 ,  G06F3/041 ,  G06F3/045

CPC classification number: G06F3/044 ,  G06F1/1618 ,  G06F1/1652 ,  G06F1/1677 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/045 ,  G06F3/0488 ,  G06F15/0216 ,  G06F2200/1633 ,  G06F2203/04101 ,  G06F2203/04102 ,  G06F2203/04104 ,  G06F2203/04111 ,  G06F2203/04112 ,  G06F2203/04808 ,  H01L27/323 ,  H01L51/0097 ,  Y02E10/549

Abstract: To increase the detection sensitivity of a touch panel, provide a thin touch panel, provide a foldable touch panel, or provide a lightweight touch panel. A display element and a capacitor forming a touch sensor are provided between a pair of substrates. Preferably, a pair of conductive layers forming the capacitor each have an opening. The opening and the display element are provided to overlap each other. A light-blocking layer is provided between a substrate on the display surface side and the pair of conductive layers forming the capacitor.

Abstract translation: 为了提高触摸屏的检测灵敏度，提供一个薄的触摸面板，提供一个可折叠的触摸面板，或提供一个轻巧的触摸面板。 在一对基板之间设置显示元件和形成触摸传感器的电容器。 优选地，形成电容器的一对导电层各自具有开口。 开口和显示元件被设置成彼此重叠。 在显示面侧的基板和形成电容器的一对导电层之间设置有遮光层。

公开(公告)号：US20240420571A1

公开(公告)日：2024-12-19

申请号：US18818889

申请日：2024-08-29

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Koji KUSUNOKI ,  Susumu KAWASHIMA ,  Kazunori WATANABE ,  Satoshi YOSHIMOTO

IPC: G08G1/0967 ,  G01C21/34 ,  G02F1/1334 ,  G02F1/1337 ,  G09G3/36

Abstract: A novel information processing device that is highly convenient or reliable is provided. The information processing device includes a sensor portion, a communication portion, a display portion, and an arithmetic device; the sensor portion has a function of obtaining position information, and the communication portion has a function of obtaining map information and legal speed limit information. The arithmetic device identifies first legal speed limit information from the map information on the basis of the position information, the arithmetic device generates first image information including the first legal speed limit information, and the display portion has a function of displaying the first image information.

公开(公告)号：US20240365573A1

公开(公告)日：2024-10-31

申请号：US18765450

申请日：2024-07-08

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kensuke YOSHIZUMI ,  Susumu KAWASHIMA ,  Koji KUSUNOKI ,  Kazunori WATANABE

IPC: H10K39/34 ,  G06F3/041 ,  G06F3/042 ,  G06V40/13 ,  G09G3/3233 ,  H10K59/131 ,  H10K59/35

CPC classification number: H10K39/34 ,  G09G3/3233 ,  H10K59/131 ,  H10K59/353 ,  G06F3/0412 ,  G06F3/0421 ,  G06V40/1318 ,  G09G2300/0465 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2354/00 ,  G09G2360/14

Abstract: A display device with an imaging function is provided. A high-resolution imaging device or display device is provided. The display device includes first to third switches, first and second transistors, a capacitor, first and second wirings, and a light-emitting and light-receiving element. One electrode of the first switch is electrically connected to the first wiring, and the other electrode is electrically connected to a gate of the first transistor and one electrode of the capacitor. One electrode of the second switch is electrically connected to one of a source and a drain of the first transistor, one electrode of the light-emitting and light-receiving element, and the other electrode of the capacitor, and the other electrode of the second switch is electrically connected to a gate of the second transistor and one electrode of the third switch. The other electrode of the third switch is electrically connected to the second wiring. The light-emitting and light-receiving element has a function of emitting light of a first color and a function of receiving light of a second color.

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.