公开(公告)号：US12055831B2

公开(公告)日：2024-08-06

申请号：US18143624

申请日：2023-05-05

Applicant: Japan Display Inc.

Inventor： Hirotaka Hayashi

IPC: G02F1/1362 ,  G02F1/1339

CPC classification number: G02F1/136286 ,  G02F1/1339

Abstract: Some of a plurality of image signal lines of a display apparatus according to one embodiment includes: a plurality of bypass wiring portions (bypass wirings) arranged in a frame region so as to have both ends being connected to a plurality of extension wiring portions (extension wirings). The plurality of bypass wiring portions of the plurality of image signal lines include: a plurality of second-layer bypass wirings arranged in a second conductive layer; and a plurality of third-layer bypass wirings arranged in a third conductive layer that is different from a first conductive layer and the second conductive layer. Each of an arrangement pitch between the plurality of second-layer bypass wirings and an arrangement pitch between the plurality of third-layer bypass wirings is smaller than an arrangement pitch between the plurality of image signal lines in a display region.

公开(公告)号：US20240260331A1

公开(公告)日：2024-08-01

申请号：US18632335

申请日：2024-04-11

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE

IPC: H10K59/122 ,  H10K50/813

CPC classification number: H10K59/122 ,  H10K50/813

Abstract: According to one embodiment, a display device includes a substrate, an insulating layer, a lower electrode, a rib including an aperture and covering a periphery of the lower electrode, a partition above the rib, an upper electrode being in contact with the partition, and an organic layer between the electrodes. The organic layer includes a first organic layer that is in contact with the lower electrode through the aperture, and a second organic layer on the partition. At least a part of the periphery of the lower electrode is located between the insulating layer and the partition in a thickness direction of the insulating layer.

公开(公告)号：US20240256070A1

公开(公告)日：2024-08-01

申请号：US18632987

申请日：2024-04-11

Applicant: Japan Display Inc.

Inventor： Koji Noguchi ,  Yoshitoshi Kida ,  Kohei Azumi

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/047 ,  G09G3/36 ,  G09G5/00 ,  G09G5/18

CPC classification number: G06F3/0412 ,  G06F3/04166 ,  G06F3/0418 ,  G06F3/04184 ,  G06F3/0445 ,  G06F3/0446 ,  G06F3/047 ,  G09G3/36 ,  G09G3/3677 ,  G09G5/003 ,  G09G5/18 ,  G09G3/3685 ,  G09G2300/0426 ,  G09G2310/0202 ,  G09G2310/0297 ,  G09G2310/08

Abstract: A display device is provided and includes signal line; pixel electrode; drive electrode opposed to pixel electrode; scanning lines; and display periods and a detection period in frame, wherein during one of display periods, common voltage is applied to drive electrode, scanning signal is applied to some scanning lines, pixel signal is applied to pixel electrode, wherein, during detection period, AC drive or pulse signal is applied to drive electrode, AC drive or pulse signal having pulses, wherein pulses during the detection period is less than number of some of scanning signal lines.

公开(公告)号：US20240256067A1

公开(公告)日：2024-08-01

申请号：US18630161

申请日：2024-04-09

Applicant: Japan Display Inc.

Inventor： Hiroyuki ABE ,  Yoshinori AOKI ,  Kazune MATSUMURA ,  Masateru MORIMOTO

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1343 ,  G06F3/044 ,  G09G3/36

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/0443 ,  G06F3/0446 ,  G02F1/13338 ,  G02F1/134309 ,  G02F2201/56 ,  G09G3/3648 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2310/0232 ,  G09G2310/0281

Abstract: According to an aspect, a display device with a sensor includes: a substrate including a display region and a peripheral region on a periphery of the display region; detection electrodes arranged in a row-column configuration in the display region; and detection lines coupled to the respective detection electrodes. A shape of the substrate in a plan view includes a curve of a curved portion. The detection electrodes include a first electrode and a second electrode having a shape different from that of the first electrode in a plan view. The second electrode is juxtaposed with the curved portion. The detection lines each include a first line coupled to the first electrode and a second line coupled to the second electrode. The second line passes from the display region across the peripheral region and extends to a position overlapping with the second electrode in a plan view.

公开(公告)号：US20240255801A1

公开(公告)日：2024-08-01

申请号：US18415697

申请日：2024-01-18

Applicant: Japan Display Inc.

Inventor： Koji FUJISAWA ,  Michihide SHIBATA ,  Masafumi OKADA

IPC: G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133607 ,  G02F1/133603

Abstract: In a backlight that includes a plurality of LEDs and a prism sheet disposed opposite to the LEDs, the prism sheet has a first surface opposite to the LEDs and a second surface on the opposite side of the first surface, a first prism having a first base and a first pitch L1 is formed on the first surface, a second prism having a cross section that is scalene triangular in shape having a second base having a length L2, a first base angle θ1, and a second base angle θ2 smaller than the first base angle is formed on the second surface, and L2

公开(公告)号：US20240255799A1

公开(公告)日：2024-08-01

申请号：US18422043

申请日：2024-01-25

Applicant: Japan Display Inc.

Inventor： Toshihiro YAJIMA ,  Takashi OTA ,  Michihide SHIBATA

IPC: G02F1/13357 ,  H01L25/075 ,  H01L33/50

CPC classification number: G02F1/133603 ,  H01L25/0753 ,  H01L33/504

Abstract: The present invention has been made to reduce a yellow shift around blue LEDs in a backlight including the blue LEDs and a color conversion sheet. Provided is a backlight including a light source including blue LEDs arranged in a matrix, on a plane, at first intervals, and a color conversion sheet arranged to cover the light source, in which red quantum dots that emit red light in response to blue light and green quantum dots that emit green light in response to blue light are dispersed in the color conversion sheet, short-wavelength LEDs that emit light of a shorter wavelength than that of blue light are arranged near the blue LEDs, and blue quantum dots that emit blue light in response to the short-wavelength light are arranged in the color conversion sheet, at positions overlapping the short-wavelength LEDs in plan view.

公开(公告)号：US20240255691A1

公开(公告)日：2024-08-01

申请号：US18631044

申请日：2024-04-10

Applicant: Japan Display Inc.

Inventor： Makoto HASEGAWA ,  Nobuyuki SUZUKI ,  Masafumi OKADA

IPC: F21V8/00

CPC classification number: G02B6/0076 ,  G02B6/0025 ,  G02B6/0053 ,  G02B6/0068

Abstract: According to one embodiment, in an illumination device, a second light guide includes a plurality of fourth projecting portions provided in a first area of a fifth main surface opposing a prism sheet, a plurality of fifth projecting portions provided in a second area of a fifth main surface, and a plurality of sixth projecting portions on a sixth main surface opposing the fifth main surface, cross-sectional shapes of the fourth projecting portions and the fifth projecting portions are scalene triangles, and the fourth projecting portions and the fifth projecting portions are arranged in respective positions line-symmetrical position with respect to each other in plan view.

公开(公告)号：US12051383B2

公开(公告)日：2024-07-30

申请号：US17745090

申请日：2022-05-16

Applicant: Japan Display Inc.

Inventor： Tadafumi Ozaki ,  Tsutomu Harada

IPC: G09G3/36 ,  G02F1/1334

CPC classification number: G09G3/3607 ,  G02F1/1334 ,  G09G3/3677 ,  G09G2310/08

Abstract: According to an aspect, a display device includes: a display panel including a display area provided with a plurality of pixels; and a light source configured to emit light to the display panel. Writing periods and lighting periods are alternately provided in one frame period for at least one color. Each writing period is a period in which part of a pixel signal is written to a corresponding one of the pixels. Each lighting period is a period in which light is emitted to the pixel after a corresponding one of the writing periods. A light amount in at least one of the lighting periods is larger than a light amount in other lighting periods.

公开(公告)号：US20240250214A1

公开(公告)日：2024-07-25

申请号：US18589784

申请日：2024-02-28

Applicant: Japan Display Inc.

Inventor： Hiroumi KINJO ,  Masumi NISHIMURA ,  Hayata AOKI

IPC: H01L33/36 ,  H01L33/06 ,  H01L33/16 ,  H01L33/32

CPC classification number: H01L33/36 ,  H01L33/06 ,  H01L33/16 ,  H01L33/32

Abstract: A gallium nitride-based semiconductor device includes an amorphous substrate, a conductive alignment layer on the amorphous substrate, a gallium nitride-based semiconductor layer on the conductive alignment layer, and an auxiliary electrode layer in contact with the conductive alignment layer. The auxiliary electrode layer is arranged around a periphery portion of the conductive alignment layer.

公开(公告)号：US20240248356A1

公开(公告)日：2024-07-25

申请号：US18402788

申请日：2024-01-03

Applicant: Japan Display Inc.

Inventor： Masataka IKEDA

IPC: G02F1/1362 ,  G02F1/1334 ,  G02F1/1368 ,  H01L27/12

CPC classification number: G02F1/136227 ,  G02F1/1334 ,  G02F1/1368 ,  H01L27/1248

Abstract: A display device includes a transistor having an oxide semiconductor layer, a gate electrode opposed to the semiconductor layer, and a gate insulating film arranged between the oxide semiconductor layer and the gate electrode, a drain electrode connected to the transistor, a pixel electrode connected to the drain electrode, and a first insulating film and a second insulating film arranged between the drain electrode and the pixel electrode.