公开(公告)号：US20240264500A1

公开(公告)日：2024-08-08

申请号：US18428904

申请日：2024-01-31

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Nobutaka OZAKI

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

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

Abstract: Disclosed is a display device including a substrate and a plurality of pixels over the substrate. At least one of the plurality of pixels includes a driving transistor and a liquid crystal element electrically connected to the driving transistor. The liquid crystal element has a pixel electrode, an interelectrode insulating film, a common electrode, an inorganic insulating film, a first orientation film, a liquid crystal layer, and a second orientation film. The interelectrode insulating film is located over the pixel electrode. The common electrode is located over the interelectrode insulating film and has a slit overlapping the pixel electrode. The inorganic insulating film is located over the common electrode. The first orientation film is located over the inorganic insulating film. The liquid crystal layer is located over the first orientation film. The second orientation film is located over the liquid crystal layer.

公开(公告)号：US20240264015A1

公开(公告)日：2024-08-08

申请号：US18425674

申请日：2024-01-29

Applicant: Japan Display Inc.

Inventor： Fumihoru NAKANO ,  Toshinori UEHARA

IPC: G01L1/22

CPC classification number: G01L1/225

Abstract: According to one embodiment, a strain detection device includes a first sensor sheet and a second sensor sheet opposed to the first sensor sheet with a base sandwiched therebetween, and a controller which drives the first sensor sheet and the second sensor sheet. Each of the first sensor sheet and the second sensor sheet includes strain gauges arranged in a row, power supply lines and first signal lines connected to first ends of the strain gauges, and ground lines and second signal lines connected to second ends of the strain gauges. Each of the ground lines of the first sensor sheet is connected to corresponding one of the power supply lines of the second sensor sheet.

公开(公告)号：US12058893B2

公开(公告)日：2024-08-06

申请号：US18347778

申请日：2023-07-06

Applicant: Japan Display Inc.

Inventor： Satoshi Maruyama

IPC: H01L27/00 ,  H01L27/12 ,  H10K59/121 ,  H10K59/131 ,  H01L27/06 ,  H01L29/66 ,  H01L29/786 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H01L27/1225 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/1259 ,  H10K59/1216 ,  H10K59/131 ,  H01L27/0688 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1262 ,  H01L29/66757 ,  H01L29/66969 ,  H01L29/78675 ,  H01L29/7869 ,  H10K59/1201

Abstract: A plurality of thin film transistors provided in a peripheral region are first staggered thin film transistors where a first channel layer configured of low-temperature polysilicon is included, and the first channel layer is not interposed between a first source electrode and a first gate electrode, and between a first drain electrode and the first gate electrode. A plurality of thin film transistors provided in a display region are second staggered thin film transistors where a second channel layer configured of an oxide semiconductor is included, and the second channel layer is not interposed between a second source electrode and a second gate electrode, and between a second drain electrode and the second gate electrode. The first thin film transistor is located below the second thin film transistor.

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.