公开(公告)号：US20210159297A1

公开(公告)日：2021-05-27

申请号：US17165143

申请日：2021-02-02

Applicant: Japan Display Inc.

Inventor： Tetsuo Morita ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake ,  Yasuhiro Ogawa

IPC: H01L27/32 ,  H01L27/12 ,  H01L29/417 ,  H01L29/786

Abstract: Provided is a display device including a plurality of pixels at least one of which has a first transistor and a light-emitting element. The first transistor includes a gate electrode, a gate insulating film over the gate electrode, an oxide semiconductor film over the gate insulating film, and a first terminal and a second terminal electrically connected to the semiconductor film. The second terminal is electrically connected to the light-emitting element. A region in which the first terminal overlaps with the gate electrode can be smaller than a region in which the second terminal overlaps with the gate electrode.

公开(公告)号：US10984726B2

公开(公告)日：2021-04-20

申请号：US16846855

申请日：2020-04-13

Applicant: Japan Display Inc.

Inventor： Tetsuo Morita ,  Hiroyuki Kimura

IPC: G09G3/3266

Abstract: A plurality of enable circuits are respectively adjacent to a display area in a first direction and connected to a plurality of control lines to output a control signal corresponding to a pulse signal. A plurality of unit circuits include a first group of unit circuits located adjacent to the display area in the first direction, and a second group of unit circuits located adjacent to the display area in a second direction. The plurality of connection lines include a first group of connection lines connected to the first group of unit circuits, and a second group of connection lines connected to the second group of unit circuits. The connection lines of the second group are longer than the connection lines of the first group.

公开(公告)号：US10573239B2

公开(公告)日：2020-02-25

申请号：US16119655

申请日：2018-08-31

Applicant: JAPAN DISPLAY INC.

Inventor： Kazuyoshi Omata ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake

IPC: G09G3/32 ,  G09G3/20 ,  H01L27/32 ,  G09G3/325 ,  H05B33/08 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/12

Abstract: According to one embodiment, a display apparatus includes a plurality of semiconductor layers, a first insulation film, a first conductive layer, a second insulation film and a display element includes a second conductive layer. The first conductive layer and the second conductive layer are opposed to each other to form a capacitance unit.

公开(公告)号：US10546526B2

公开(公告)日：2020-01-28

申请号：US15633960

申请日：2017-06-27

Applicant: Japan Display Inc.

Inventor： Tetsuo Morita ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake ,  Yasuhiro Ogawa

IPC: G09G3/3225 ,  H01L27/32 ,  H01L27/12 ,  H01L29/786

Abstract: A display device includes a pixel region having a plurality of pixel and a driver circuit outside the pixel region. The pixels have a driving transistor and a switching transistor having a gate and a pair of terminals, a light-emitting element having an input terminal, and a storage capacitor having a pair of terminals. One terminal of the switching transistor is electrically connected to the gate of the driving transistor and one terminal of the storage capacitor. One terminal of the driving transistor is electrically connected to the other terminal of the storage capacitor and the input terminal. The driver circuit includes first and second transistors having a gate and a pair of terminal. The other terminal of the switching transistor is electrically connected to one terminal of the first transistor and one terminal of the second transistor. The second transistor has a channel region including an oxide semiconductor.

公开(公告)号：US10475870B2

公开(公告)日：2019-11-12

申请号：US16032157

申请日：2018-07-11

Applicant: Japan Display Inc.

Inventor： Tetsuo Morita ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake ,  Yasuhiro Ogawa

IPC: H01L33/00 ,  H01L27/32 ,  H01L29/786 ,  H01L29/417 ,  H01L27/12

Abstract: Provided is a display device including a plurality of pixels at least one of which has a first transistor and a light-emitting element. The first transistor includes a gate electrode, a gate insulating film over the gate electrode, an oxide semiconductor film over the gate insulating film, and a first terminal and a second terminal electrically connected to the semiconductor film. The second terminal is electrically connected to the light-emitting element. A region in which the first terminal overlaps with the gate electrode can be smaller than a region in which the second terminal overlaps with the gate electrode.

公开(公告)号：US10204937B2

公开(公告)日：2019-02-12

申请号：US15462971

申请日：2017-03-20

Applicant: Japan Display Inc.

Inventor： Tetsuo Morita ,  Hiroyuki Kimura ,  Makoto Shibusawa ,  Hiroshi Tabatake ,  Yasuhiro Ogawa

IPC: H01L51/00 ,  H01L27/12 ,  H01L27/13 ,  H01L29/786 ,  G02F1/1368 ,  H01L27/32

Abstract: Provided is a display device including: a capacitor having a first electrode, a first insulating film over the first electrode, and a second electrode over the first insulating film; and a first transistor over the capacitor. The first transistor includes the second electrode, a second insulating film over the second electrode, an oxide semiconductor film over the second insulating film, and a first source electrode and a first drain electrode over the oxide semiconductor film. The first source electrode and the first drain electrode are electrically connected to the oxide semiconductor film.

公开(公告)号：US09990881B2

公开(公告)日：2018-06-05

申请号：US15083874

申请日：2016-03-29

Applicant: Japan Display Inc.

Inventor： Hiroyuki Kimura ,  Duzen Peng ,  Ilin Wu

IPC: G09G3/32 ,  G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0216 ,  G09G2310/0251 ,  G09G2310/0254

Abstract: A method of driving a display device includes the following steps: a step of applying a first voltage to a drain of the driving transistor from the first power supply line, while applying an initialization voltage lower than the first voltage to a gate of the driving transistor; a step of applying a voltage higher than the initialization voltage lower than the first voltage to the drain of the driving transistor, and applying a voltage based on a video signal to the gate of the driving transistor; and a step of applying the first voltage to a drain of the driving transistor from the first power supply line and supplying a current to the light emitting element while holding the voltage based on the video signal to the gate of the driving transistor.

公开(公告)号：US09607548B2

公开(公告)日：2017-03-28

申请号：US14573588

申请日：2014-12-17

Applicant: Japan Display Inc.

Inventor： Hiroyuki Kimura ,  Tetsuo Morita ,  Hiroshi Tabatake

IPC: G09G3/32 ,  G09G3/3258 ,  G09G3/00 ,  G09G3/3208 ,  G09G3/20

CPC classification number: G09G3/3258 ,  G09G3/007 ,  G09G3/20 ,  G09G3/2003 ,  G09G3/2074 ,  G09G3/3208 ,  G09G2300/0408 ,  G09G2300/0447 ,  G09G2300/046 ,  G09G2300/0804

Abstract: According to one embodiment, a display device includes a plurality of pixels each including a plurality of subpixels, each subpixel including a luminescent element, a plurality of scanning lines, a plurality of image signal lines, a plurality of reset power source lines, a first power source line, a scanning line driving circuit and a signal line driving circuit, wherein at least one subpixel comprises an output switch, a driving transistor, a retaining capacitance, a pixel switch and a reset switch, and the output switch is shared with a plurality of subpixels included in at least one pixel.

公开(公告)号：US20170076667A1

公开(公告)日：2017-03-16

申请号：US15259529

申请日：2016-09-08

Applicant: Japan Display Inc.

Inventor： Yuuichi NUMATA ,  Takahiro Fujioka ,  Kazuhiro Odaka ,  Hiroyuki Kimura

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  H01L27/32

CPC classification number: G09G3/3266 ,  G09G3/3258 ,  G09G2300/0426 ,  G09G2310/0291

Abstract: A display device in an embodiment according to the present invention includes a pixel region includes a plurality of pixels arranged in a matrix, a first power source line arranged in the pixel region and provided with a first power source voltage supplying a current to the plurality of pixels, a second power source line located in a layer higher than the first power source line in the pixel region and including an intersection part intersecting the first power source line and provided with a second power source voltage different to the first power source voltage, a conducting layer interposed between the first power source line and the second power source line via an insulation layer and having at least one part overlapping the intersection part, a current detection portion electrically connected with the conducting layer.

Abstract translation: 根据本发明的实施例的显示装置包括：像素区域，包括以矩阵形式排列的多个像素;布置在像素区域中的第一电源线，并且具有向多个像素区域提供电流的第一电源电压 像素，位于像素区域中比第一电源线高的层中的第二电源线，并且包括与第一电源线相交并且具有与第一电源电压不同的第二电源电压的交叉部， 导电层，其经由绝缘层介于所述第一电源线和所述第二电源线之间，并且具有与所述交叉部重叠的至少一个部分，与所述导电层电连接的电流检测部。

公开(公告)号：US12244748B2

公开(公告)日：2025-03-04

申请号：US17874355

申请日：2022-07-27

Applicant: Japan Display Inc.

Inventor： Yoshiro Aoki ,  Hiroyuki Kimura ,  Akio Takimoto

IPC: H04M1/02 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1343 ,  H04N23/55 ,  H04N23/57

Abstract: According to one embodiment, an electronic device includes a light shutter panel including an incident light control area, an optical member including a lens and facing the incident light control area, and an imaging device configured to convert light which passed through the incident light control area of the light shutter panel and the optical member to image data. The incident light control area includes a first annular light-shielding area, a circular incident light control area surrounded by the first annular light-shielding area, and a plurality of annular incident light control areas located between the first annular light-shielding area and the circular incident light control area and having a multiple shape.