公开(公告)号：US20190302967A1

公开(公告)日：2019-10-03

申请号：US16371946

申请日：2019-04-01

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Toshinori UEHARA ,  Yuji SUZUKI

IPC: G06F3/044

Abstract: According to an aspect, a display device includes: a first substrate; a second substrate facing the first substrate; a display function layer between the first substrate and the second substrate and displaying an image; first electrodes in a detection region of the first substrate; second electrodes in the detection region above the second substrate; a first electrode selection circuit in a peripheral region outside the detection region of the first substrate; and a second electrode selection circuit in a region overlapping with the peripheral region above the second substrate. The first electrode selection circuit selects some of the first electrodes, and supplies detection drive signals having phases determined on the basis of a certain code to the selected first electrodes. The second electrode selection circuit selects some of the second electrodes on the basis of a certain code, and couples the selected second electrodes to a single output signal line.

公开(公告)号：US20170249051A1

公开(公告)日：2017-08-31

申请号：US15437074

申请日：2017-02-20

Applicant: Japan Display Inc.

Inventor： Toshinori UEHARA ,  Hiroshi MIZUHASHI ,  Toshio SOYA

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/044 ,  G06F2203/04107 ,  G06F2203/04108

Abstract: According to an aspect, a touch detecting apparatus includes: three or more detectors; a generating circuit that performs generation for generating a plurality of pieces of output data corresponding to a plurality of patterns and having resolution lower than resolution corresponding to the number of the detectors based on outputs from the detectors; a calculating circuit that performs calculation for calculating, for each of the detectors, a composite value to be used to derive a detection result of each of the detectors based on the pieces of output data corresponding to the patterns.

公开(公告)号：US20140293172A1

公开(公告)日：2014-10-02

申请号：US14221923

申请日：2014-03-21

Applicant: Japan Display Inc.

Inventor： Daichi SUZUKI ,  Toshinori UEHARA ,  Ai KOIKE

IPC: G02B27/22

CPC classification number: G02B27/2214 ,  G02B27/2264 ,  G09G3/003 ,  G09G3/3614 ,  G09G3/3655 ,  G09G2300/0426 ,  G09G2300/0434 ,  G09G2380/10 ,  H04N13/31 ,  H04N13/324 ,  H04N2013/403

Abstract: A display device for displaying a first image in a first direction and a second image in a second direction, including a display panel having pixels arrayed in a matrix, a backlight configured to emit a light to a back surface of the display panel, and a parallax barrier configured so that a light from the first pixel passes through an opening of the parallax barrier and is emitted to the first direction, and a light from the second pixel passes through the opening of the parallax barrier and is emitted to the second direction. The formula (B−A)/A≦1 is satisfied wherein A represents the luminance of the first image when the first image and the second image are black images, and B represents a luminance of the first image when the first image is a black image and the second image is a white image.

Abstract translation: 一种用于在第一方向上显示第一图像和第二方向的显示装置，包括具有排列成矩阵的像素的显示面板，被配置为向显示面板的后表面发光的背光源，以及 视差屏障被配置为使得来自第一像素的光通过视差屏障的开口并且被发射到第一方向，并且来自第二像素的光通过视差屏障的开口并且被发射到第二方向。 满足公式（B-A）/ A＆nlE; 1，其中A表示当第一图像和第二图像是黑色图像时第一图像的亮度，B表示当第一图像是黑色时的第一图像的亮度 图像，第二个图像是白色图像。

公开(公告)号：US20250052626A1

公开(公告)日：2025-02-13

申请号：US18768891

申请日：2024-07-10

Applicant: JAPAN DISPLAY INC.

Inventor： Fumihoru NAKANO ,  Toshinori UEHARA

IPC: G01L1/20 ,  G01L1/22

Abstract: According to one embodiment, a strain detection device includes a flexible base material, first, second, third, and fourth sensor patterns on the base material, each including a plural strain gauges provided in a row. First strain gauges of the first sensor pattern, second strain gauges of the second sensor pattern, third strain gauges of the third sensor pattern, and fourth strain gauges of the fourth sensor pattern are arranged facing each other in a thickness direction of the base material. The first and fourth strain gauges are arranged symmetrically with a center position of the base material in the thickness direction, and the second and third strain gauges are arranged symmetrically with the center position of the base material in the thickness direction.

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：US20240126395A1

公开(公告)日：2024-04-18

申请号：US18391848

申请日：2023-12-21

Applicant: Japan Display Inc.

Inventor： Koichi MIYASAKA ,  Yoshikatsu IMAZEKI ,  Yoichi KAMIJO ,  Shuichi OSAWA ,  Toshinori UEHARA

IPC: G06F3/044 ,  G02F1/1333 ,  G02F1/1343 ,  G06V40/13

CPC classification number: G06F3/0446 ,  G02F1/13338 ,  G02F1/134309 ,  G06V40/1306

Abstract: According to an aspect, a detection device includes: drive electrodes; detection electrodes; and dummy electrodes in a floating state. The drive electrodes include a first electrode extending in a first direction, and a second electrode disposed at a predetermined interval from the first electrode in a second direction intersecting the first direction. The detection electrodes include a third electrode extending in the second direction. The dummy electrodes include a fourth electrode disposed at a predetermined interval from the third electrode in the first direction. The first electrode includes a first extension part, a second extension part, and a first coupling part. The second electrode includes a third extension part, a fourth extension part, and a second coupling part. The third electrode includes a fifth extension part, a sixth extension part, and a third coupling part. The fourth electrode includes a seventh extension part, and an eighth extension part.

公开(公告)号：US20210182522A1

公开(公告)日：2021-06-17

申请号：US17187101

申请日：2021-02-26

Applicant: Japan Display Inc.

Inventor： Fumihito SHIBANO ,  Hiroshi MIZUHASHI ,  Toshinori UEHARA ,  Kimiyo NONOYAMA ,  Hayato KURASAWA

IPC: G06K9/00

Abstract: A fingerprint sensor is provided and includes substrate; sensor electrodes on substrate; first switches coupled to sensor electrodes; organic layer covering sensor electrodes; control line drive circuit in first direction; signal line drive circuit in second direction orthogonal to first direction; signal lines coupled to first switches; control lines coupling first switches to control line drive circuit; sensor drive electrode surrounding sensor electrodes; second switches between signal line drive circuit and signal lines; and first number of third switches between signal line drive circuit and first number of second switches, wherein distance of sensor drive electrode from surface of substrate is larger than distance of sensor electrodes from surface of substrate, and wherein first number is less than number of all second switches.

公开(公告)号：US20200226343A1

公开(公告)日：2020-07-16

申请号：US16828296

申请日：2020-03-24

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Yoshitaka OZEKI ,  Toshinori UEHARA ,  Yuji SUZUKI

IPC: G06K9/00 ,  G06F3/042

Abstract: According to an aspect, a fingerprint detection device includes: a substrate; a plurality of drive electrodes provided on one surface side of the substrate and arranged in a first direction; a plurality of detection electrodes provided on the one surface side and arranged in a second direction intersecting the first direction; and an insulating layer provided in a normal direction of the substrate between each of the drive electrodes and the corresponding detection electrodes. The detection electrodes intersect the drive electrodes in the normal direction of the substrate. The detection electrodes include: a first metallic layer; and a second metallic layer positioned closer to the one surface than the first metallic layer to the one surface. The first metallic layer has a reflectance of visible light lower than that of the second metallic layer.

公开(公告)号：US20200175242A1

公开(公告)日：2020-06-04

申请号：US16694033

申请日：2019-11-25

Applicant: Japan Display Inc.

Inventor： Toshinori UEHARA

IPC: G06K9/00 ,  G06F3/044

Abstract: A detection apparatus includes: a plurality of detection electrodes; a detection circuit configured to be coupled to the detection electrodes; and a coupling circuit configured to cause the detection electrodes to be a coupled state in which the detection electrodes are coupled to the detection circuit and a non-coupled state in which the detection electrodes are uncoupled from the detection circuit. The detection apparatus has a plurality of selection patterns of the detection electrodes causing detection electrodes as first selection targets among the detection electrodes to be the coupled state and causing detection electrodes as second selection targets to be the non-coupled state. The selection patterns do not include any selection patterns causing detection electrodes as the first selection targets to be the non-coupled state and causing detection electrodes as the second selection targets to be the coupled state.

公开(公告)号：US20190102006A1

公开(公告)日：2019-04-04

申请号：US16139337

申请日：2018-09-24

Applicant: Japan Display Inc.

Inventor： Yuji SUZUKI ,  Toshinori UEHARA ,  Hayato KURASAWA

IPC: G06F3/044 ,  G06K9/00 ,  G01D5/24

Abstract: According to an aspect, a detection device includes: an insulating substrate including a plurality of detection electrodes; a transmission conductor disposed adjacent to the detection electrodes; a drive signal generator coupled to the transmission conductor; and a detector coupled to the detection electrodes. The drive signal generator generates a detection drive signal and supplies the detection drive signal to the transmission conductor. The detector detects a detection signal corresponding to a change in capacitance in the detection electrodes.