公开(公告)号：US11183132B2

公开(公告)日：2021-11-23

申请号：US17014628

申请日：2020-09-08

Applicant: Japan Display Inc.

Inventor： Masaya Tamaki ,  Tsutomu Harada ,  Hirotaka Hayashi

IPC: G09G3/36

Abstract: According to one embodiment, a display device, includes a first pixel line including a first sub-pixel and a second sub-pixel, a second pixel line including a third sub-pixel and a fourth sub-pixel, and a display driver supplying video signals which cause signal polarities of signal lines adjacent to each other to be opposite to each other, without varying the polarities in one frame period, the video signals having the same polarities as each other being written to the respective sub-pixels of the first pixel line, the video signals having the polarities which are the same as each other and opposite to the polarities of the video signals written to the first pixel line, being written to the respective sub-pixels of the second pixel line.

公开(公告)号：US11181792B2

公开(公告)日：2021-11-23

申请号：US16787054

申请日：2020-02-11

Applicant: Japan Display Inc.

Inventor： Toshihide Jinnai ,  Hajime Watakabe ,  Akihiro Hanada ,  Ryo Onodera ,  Isao Suzumura

IPC: G02F1/1362 ,  G02F1/1368 ,  H01L29/786 ,  H01L27/12 ,  H01L27/32

Abstract: A display device including a substrate having a first TFT of an oxide semiconductor and a second TFT of a polysilicon semiconductor comprising: the oxide semiconductor 109 is covered by a first insulating film, a first drain electrode 110 is connected to the oxide semiconductor 109 via a first through hole 132 formed in the first insulating film, a first source electrode 111 is connected to the oxide semiconductor 109 via second through hole 133 formed in the first insulating film in the first TFT, a second insulating film is formed covering the first drain electrode 110 and the first source electrode 111, a drain wiring connects 12 to the first drain electrode 110 via a third through hole 130 formed in the second insulating film, a source wiring 122 is connected to the first source electrode 111 via a fourth through hole 131 formed in the second insulating film.

公开(公告)号：US11177363B2

公开(公告)日：2021-11-16

申请号：US16565760

申请日：2019-09-10

Applicant: Japan Display Inc.

Inventor： Yohei Yamaguchi ,  Isao Suzumura

IPC: H01L27/12 ,  H01L29/49 ,  H01L29/786 ,  H01L29/51 ,  H01L27/146 ,  H01L29/423 ,  H01L27/32 ,  G02F1/1362 ,  G02F1/1368

Abstract: The purpose of the present invention is to realize the TFT of the oxide semiconductor having a superior characteristics and high reliability during the product's life. The structure of the present invention is as follows. A display device comprising: a substrate including a display area where plural pixels are formed, the pixel includes a first TFT of a first oxide semiconductor, a first gate insulating film is formed on the first oxide semiconductor, the first gate insulating film is a laminated film of a first silicon oxide film and a first aluminum oxide film, a gate electrode is formed on the first aluminum film.

公开(公告)号：US11175552B2

公开(公告)日：2021-11-16

申请号：US16821560

申请日：2020-03-17

Applicant: Japan Display Inc.

Inventor： Keita Sasanuma ,  Masaki Kajiyama ,  Kengo Shiragami ,  Naoyuki Obinata

IPC: G02F1/1362 ,  G02F1/1339

Abstract: According to an aspect, a display device includes: a first substrate; a second substrate facing the first substrate; a display region in which a plurality of pixels are provided; a peripheral region positioned between an edge of the first substrate and the display region; a plurality of scanning lines extending in a first direction; a plurality of signal lines extending in a second direction; a plurality of terminals arranged in the first direction in the peripheral region of the first substrate; a plurality of connection lines that connect the terminals and the signal lines; a plurality of spacers provided between the first substrate and the second substrate in a direction perpendicular to the first substrate; and a plurality of dummy electrodes separated from the connection lines in planar view and provided between the first substrate and the spacers in the direction perpendicular to the first substrate.

公开(公告)号：US20210349348A1

公开(公告)日：2021-11-11

申请号：US17385143

申请日：2021-07-26

Applicant: Japan Display Inc.

Inventor： Takeshi Kaneki ,  Ken HIRABAYASHI ,  Hiromichi TANAKA

IPC: G02F1/13357 ,  G02F1/1333 ,  G02F1/1335 ,  H01L51/00 ,  H01L51/52

Abstract: A display device includes a display panel, a backlight under the display panel, and an adhesive placed so as to extend over a side face of the display panel and a side face of the backlight. An outer face of the adhesive opposite to a face of the adhesive bonded to the side face of the display panel and the side face of the backlight is formed as a flat face along one or both of the side face of the display panel and the side face of the backlight.

公开(公告)号：US11171162B2

公开(公告)日：2021-11-09

申请号：US16839121

申请日：2020-04-03

Applicant: Japan Display Inc.

Inventor： Daichi Hosokawa ,  Naoki Miyanaga ,  Masakatsu Kitani

IPC: H01L27/12 ,  G02F1/1362 ,  G09G3/36 ,  H01L27/32

Abstract: A display device may include a substrate; a plurality of signal lines on the substrate; a plurality of scan lines on the substrate, the scan lines crossing the signal lines; and a plurality of thin film transistors at crossing positions of the scan lines and the signal lines. The scan lines include some first scan lines and some second scan lines. Each of the second scan lines has an end connected to a load element.

公开(公告)号：US11170712B2

公开(公告)日：2021-11-09

申请号：US16376095

申请日：2019-04-05

Applicant: JAPAN DISPLAY INC.

Inventor： Takayuki Imai ,  Norio Nakamura

IPC: G09G3/3233 ,  G09G3/3283 ,  G09G5/18

Abstract: According to one embodiment, a display device includes a display panel in which pixel units are arranged, and a controller configured to generate image signals by multiplying display data externally supplied to each line by a luminosity adjustment factor, to supply the generated image signals to the pixel units, to accumulate power consumption of each line, and to execute black insertion if the accumulated power consumption is determined to be greater than power consumption of one previous display frame by a predetermined value, wherein the luminosity adjustment factor is acquired by substituting the power consumption of one previous frame to a decreasing function, and a display pattern including a plurality of continuing black display lines is synchronized with supply of the image signals and is displayed moving the same direction of a screen scanning direction of the display panel during the black insertion.

公开(公告)号：US11169636B2

公开(公告)日：2021-11-09

申请号：US16797782

申请日：2020-02-21

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Yasuyuki Teranishi

IPC: G06F3/041 ,  G06F3/044

Abstract: A detection apparatus is provided including a touch detection surface serving as a detection region having two dimensions; and first electrode components including divided electrodes arranged in the touch detection surface, first connection lines connected to one of the divided electrodes on a one-to-one basis, and a detection unit configured to output a detection signal to the divided electrodes via the first connection lines, wherein the first connection lines has a first switch between a corresponding one of the divided electrodes and the detection unit, in each of the first electrode components, the first connection lines are connected to each other between the first switches and the detection unit, and
in each of the first electrode components, the divided electrodes function as one first electrode when all the first switches are closed.

公开(公告)号：US20210341663A1

公开(公告)日：2021-11-04

申请号：US17375015

申请日：2021-07-14

Applicant: Japan Display Inc.

Inventor： Nobuko FUKUOKA

IPC: F21V8/00 ,  G02F1/1339

Abstract: According to one embodiment, a display device comprises first and second substrates and a liquid crystal layer. The second substrate has first and second surfaces and a side surface elongated in a first direction. The side surface includes first and second inclined surfaces on which end portions on the first surface side further protrude in a second direction intersecting the first direction than end portions on the second surface side. The first inclined surface is inclined at a first angle to a thickness direction of the second substrate. The second inclined surface is inclined at a second angle smaller than the first angle to the thickness direction.

公开(公告)号：US20210335313A1

公开(公告)日：2021-10-28

申请号：US17371846

申请日：2021-07-09

Applicant: Japan Display Inc.

Inventor： Katsuya ANZAI ,  Hideki KAWADA ,  Hiroshi MATSUDA ,  Yukitada IWASAKI

IPC: G09G3/36 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3225 ,  G09G3/20 ,  H01L27/32

Abstract: An electro-optical device is provided and includes first signal lines extending in first direction on substrate; second signal lines extending in second direction on substrate, second direction intersecting first direction; pixel area in which pixel electrodes are disposed; outer peripheral edge of pixel area having curved or bent portions; first and second circuit blocks arranged along curved or bent portions, each of first and second circuit blocks including at least two unit circuits, wherein second circuit block is arranged adjacent to first circuit block with gap therebetween in first direction, first circuit block has first upper part and first lower part that define width of first circuit block in second direction, second circuit block has second upper part and second lower part that define width of second circuit block in second direction, and first upper part is arranged between second upper part and second lower part in second direction.