公开(公告)号：US20250003729A1

公开(公告)日：2025-01-02

申请号：US18738156

申请日：2024-06-10

Applicant: JAPAN DISPLAY INC.

Inventor： Toshinori UEHARA ,  Fumihoru NAKANO

IPC: G01B7/16

Abstract: According to one embodiment, a strain detection device includes a sheet base material, a plurality of strain gauges arranged in a first direction on the sheet base material, a plurality of power supply lines and a plurality of first signal lines each connected to one end of a respective one of the plurality of strain gauges, and a plurality of ground lines and a plurality of second signal lines each connected to an other end of a respective one of the plurality of strain gauges, and a dummy pattern provided on the sheet base material and located between two of the plurality of strain gauges adjacent to each other in the first direction.

公开(公告)号：US12185595B2

公开(公告)日：2024-12-31

申请号：US18408682

申请日：2024-01-10

Applicant: Japan Display Inc.

Inventor： Hiroumi Kinjo

IPC: H10K59/122 ,  H10K50/814 ,  H10K59/123

Abstract: According to one embodiment, a display device includes a base, a driving transistor placed on the base, a first insulating layer placed on the driving transistor, a cathode electrode placed on the first insulating layer, an organic layer including a light-emitting layer placed on the cathode electrode, an anode electrode that covers the organic layer, a second insulating layer placed on the first insulating layer and having an opening superposed on the cathode electrode, and a barrier wall placed on the second insulating layer. The anode electrode is electrically connected to the driving transistor through a first contact hole formed in the first insulating layer and the second insulating layer.

公开(公告)号：US12183265B2

公开(公告)日：2024-12-31

申请号：US18241575

申请日：2023-09-01

Applicant: Japan Display Inc.

Inventor： Kazunari Tomizawa ,  Kazuhiko Sako ,  Tsutomu Harada

IPC: G09G3/32

Abstract: A display device includes a plurality of light-emitting elements, and a control circuit configured to control drive of the light-emitting elements. The control circuit divides one frame period into a plurality of subframe periods having different lengths and controls light emission and non-emission of the light-emitting elements for each of the subframe periods.

公开(公告)号：US20240430583A1

公开(公告)日：2024-12-26

申请号：US18752045

申请日：2024-06-24

Applicant: Japan Display Inc.

Inventor： Tomoyuki ISHIHARA

IPC: H04N23/84 ,  G06V20/69 ,  H04N23/56 ,  H04N23/74 ,  H04N23/76

Abstract: A detection device includes a light source, and an optical sensor comprising a plurality of photodiodes configured to output pixel data corresponding to a light intensity irradiating the photodiodes. The optical sensor is configured to capture a first image containing a plurality of pieces of first pixel data and a second image that contains a plurality of pieces of second pixel data and is more sensitive than the first image, the second pixel data having a gradation equal to or smaller than a predetermined threshold is selected in the second image, the first pixel data in an area corresponding to a deselected second pixel data is selected in the first image, and a composite image is generated based on the selected second pixel data and the selected first pixel data.

公开(公告)号：US20240428749A1

公开(公告)日：2024-12-26

申请号：US18742041

申请日：2024-06-13

Applicant: Japan Display Inc.

Inventor： Hirofumi OHIRA ,  Koji YOSHIDA

IPC: G09G3/36

Abstract: According to an aspect, a display device includes: a display panel having a display region configured to output an image; a light source configured to emit light toward one surface side of the display panel; a liquid crystal panel interposed between the display panel and the light source and provided to be able to change a transmission degree of light between the display panel and the light source; a temperature detector configured to detect temperature of at least one of the display panel and the liquid crystal panel; and a controller configured to adjust color to be reproduced by the display panel in accordance with the temperature detected by the temperature detector.

公开(公告)号：US20240427195A1

公开(公告)日：2024-12-26

申请号：US18826422

申请日：2024-09-06

Applicant: Japan Display Inc.

Inventor： Shinichiro OKA ,  Yasushi TOMIOKA ,  Koichi IGETA ,  Ayaka HIGUCHI ,  Tsuyoshi IYAMA ,  Ryoichi MATSUMOTO ,  Kiyoshi SHOHARA ,  Takeshi YAMAMOTO

IPC: G02F1/1337

Abstract: According to one embodiment, a liquid crystal optical element according to one embodiment includes a substrate, a plurality of structures aligned at a prescribed pitch in each of a plurality of first areas, and a liquid crystal layer arranged across the plurality of first areas and a second area surrounding each of the plurality of first areas. The liquid crystal layer includes first liquid crystal molecules arranged in the first areas between the adjacent structures and aligned along the structures, and second liquid crystal molecules having the long axes aligned in the same direction in the second area.

公开(公告)号：US20240427185A1

公开(公告)日：2024-12-26

申请号：US18745147

申请日：2024-06-17

Applicant: Japan Display Inc.

Inventor： Hirofumi OHIRA ,  Koji YOSHIDA

IPC: G02F1/1333 ,  G02F1/1343

Abstract: According to an aspect, a display device includes: a display panel having a display region configured to output an image; a light source configured to emit light toward one surface side of the display panel; a liquid crystal panel interposed between the display panel and the light source and provided to be able to change a transmission degree of light between the display panel and the light source; a signal generator coupled to two electrodes facing each other with liquid crystal interposed between the electrodes in the liquid crystal panel and configured to provide an individual electric signal to each of the two electrodes; and a signal sensor coupled to the two electrodes and configured to individually sense the electric signals provided to the two electrodes.

公开(公告)号：US20240427181A1

公开(公告)日：2024-12-26

申请号：US18745107

申请日：2024-06-17

Applicant: Japan Display Inc.

Inventor： Hirofumi OHIRA

IPC: G02F1/13 ,  G02F1/133

Abstract: A display device includes: a display panel; a light source configured to emit light toward one surface side of the display panel; a liquid crystal panel interposed between the display panel and the light source and provided to be able to change a transmission degree of light between the display panel and the light source; and a controller configured to control a potential difference between two electrodes facing each other with liquid crystal interposed therebetween. The liquid crystal panel in operation is makes a transmission degree of light tilted toward one side in a longitudinal direction of the display panel in a rectangular shape and a transmission degree of light tilted toward the other side in the longitudinal direction to be different from each other. The potential difference corresponds to an angle of tilt with a smaller transmission degree of light when the liquid crystal panel is in operation.

公开(公告)号：US12178083B2

公开(公告)日：2024-12-24

申请号：US17392348

申请日：2021-08-03

Applicant: Japan Display Inc.

Inventor： Jun Hanari

IPC: H10K59/122 ,  H01L27/12 ,  H10K50/824 ,  H10K50/84 ,  H10K50/842 ,  H10K50/844 ,  H10K59/12 ,  H10K59/121 ,  H10K59/123 ,  H10K59/124 ,  H10K71/00 ,  H10K59/131 ,  H10K102/00

Abstract: Disclosed is a display device possessing: a substrate having a display region and a peripheral region surrounding the display region; a pixel over the display region; a passivation film over the pixel; a resin layer over the passivation film; a first dam over the peripheral region and surrounding the display region; and a second dam surrounding the first dam. The passivation film includes; a first layer containing an inorganic compound; a second layer over the first layer, the second layer containing an organic compound; and a third layer over the second layer, the third layer containing an inorganic compound. The second layer is selectively arranged in a region surrounded by the first dam. The resin layer is selectively arranged in a region surrounded by the second dam.

公开(公告)号：US12174495B2

公开(公告)日：2024-12-24

申请号：US18410156

申请日：2024-01-11

Applicant: JAPAN DISPLAY INC.

Inventor： Kenta Seki ,  Gen Koide ,  Hayato Kurasawa

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1337 ,  G02F1/1362

Abstract: According to one embodiment, a display device comprises image signal lines, scanning signal lines, pixels, a display area, pixel electrodes, and common electrodes. The common electrodes are configured to detect an object and to display an image in the display area. The common electrodes include first and second common electrodes which are arranged in a first direction. A first slit is provided between the first and second common electrodes. The first and second common electrodes are supplied a signal different from each other. A second slit is provided in the first common electrode. Each of the first slit and the second slit overlaps one of the image signal lines and extends in an extension direction in which the image signal line extends.