公开(公告)号：US12278294B2

公开(公告)日：2025-04-15

申请号：US17650718

申请日：2022-02-11

Applicant: Japan Display Inc.

Inventor： Masanobu Ikeda ,  Yasuhiro Kanaya

IPC: H01L31/0224 ,  H01L31/02 ,  H01L31/0216 ,  H01L33/32

Abstract: A photo detecting device comprising: a substrate; a plurality of photoelectric conversion elements provided to the substrate and configured to output a detection signal corresponding to light with which the photoelectric conversion elements are irradiated; at least one or more light emitting elements provided to the substrate; and a control circuit configured to set a wavelength of light output from the light emitting element by controlling an electric current flowing through the light emitting element.

公开(公告)号：US12272723B2

公开(公告)日：2025-04-08

申请号：US18130717

申请日：2023-04-04

Applicant: Japan Display Inc.

Inventor： Masanobu Ikeda ,  Yasuhiro Kanaya

IPC: H01L27/15 ,  H01L33/48 ,  H01L33/58 ,  H01L33/62

Abstract: A display apparatus is provided and includes substrate; pixels disposed on substrate; inorganic light emitting elements that are provided in pixels, respectively; electrode that is translucent and provided on one surface side of substrate and that is coupled to one of inorganic light emitting elements; transparent resin layer that is provided on one surface side of substrate and that covers electrode; light-shielding conductive layer that is provided on one surface side of substrate and that is in contact with transparent resin layer; and cover member that is translucent and provided on one surface side of substrate and that covers transparent resin layer, wherein substrate includes display region in which pixels are located, and peripheral region located outside display region, and light-shielding conductive layer is located in peripheral region.

公开(公告)号：US12025874B2

公开(公告)日：2024-07-02

申请号：US18131906

申请日：2023-04-07

Applicant: Japan Display Inc.

Inventor： Koji Ishizaki ,  Masanobu Ikeda ,  Hayato Kurasawa ,  Yoshihiro Watanabe

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

CPC classification number: G02F1/13338 ,  G06F3/044 ,  G06F3/0445 ,  G06F3/0446 ,  G09G3/3648 ,  G09G2300/0426 ,  G09G2310/0232 ,  G09G2310/08 ,  G09G2330/06

Abstract: A display apparatus includes a first substrate, a second substrate facing the first substrate, lead wirings provided on the first substrate or the second substrate and a first insulator part provided on an upper surface of the second substrate. The lead wirings are arranged in a peripheral region when seen in a plan view and the first insulator part is arranged so as to overlap a display region when seen in a plan view. Second insulator parts or spaces with a permittivity lower than a permittivity of the first insulator part are provided at sides of the first insulator part. The second insulator parts or the spaces are arranged so as to overlap the lead wirings in the peripheral region when seen in a plan view.

公开(公告)号：US11847987B2

公开(公告)日：2023-12-19

申请号：US17519881

申请日：2021-11-05

Applicant: JAPAN DISPLAY INC.

Inventor： Akihiro Ogawa ,  Masanobu Ikeda

IPC: G09G3/36 ,  G09G3/34 ,  G02F1/1333 ,  G02F1/13357 ,  H01L25/075 ,  H01L33/44 ,  H01L33/56 ,  G02F1/1343 ,  G02F1/1335

CPC classification number: G09G3/3426 ,  G02F1/1336 ,  G02F1/133345 ,  G02F1/133621 ,  G09G3/3413 ,  G09G3/3607 ,  H01L25/0753 ,  H01L33/44 ,  H01L33/56 ,  G02F1/133514 ,  G02F1/133553 ,  G02F1/133626 ,  G02F1/134345 ,  G02F1/134372 ,  G09G2300/046 ,  G09G2300/0421 ,  G09G2300/0452

Abstract: A display device includes a plurality of divided pixels each comprising a reflective electrode, a counter electrode provided so as to face the reflective electrode, a color filter provided on a side of the counter electrode opposite to a side of the counter electrode facing the reflective electrode, and a holding unit configured to hold a potential corresponding to an expression of a gradation; and an inorganic light emitter provided on the counter electrode side of the color filter, and configured to emit light.

公开(公告)号：US11721276B2

公开(公告)日：2023-08-08

申请号：US17471202

申请日：2021-09-10

Applicant: Japan Display Inc.

Inventor： Masanobu Ikeda ,  Yoshinori Aoki ,  Akihiro Ogawa ,  Yasuhiro Kanaya

IPC: G09G3/32 ,  H01L23/34 ,  H01L27/15

CPC classification number: G09G3/32 ,  H01L23/34 ,  H01L27/156 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2320/041

Abstract: A display device includes a substrate, a plurality of pixels provided on the substrate, a light emitting element provided to each of the plurality of pixels, a first electrode provided to the substrate and electrically coupled to the light emitting element, a pixel circuit provided to the substrate and configured to drive the light emitting element, and a heat generation resistor provided to the pixel circuit.

公开(公告)号：US11328659B2

公开(公告)日：2022-05-10

申请号：US17238216

申请日：2021-04-23

Applicant: Japan Display Inc.

Inventor： Masanobu Ikeda

IPC: G09G3/32 ,  H01L25/16 ,  G09G3/20

Abstract: A display device comprises a plurality of pixels arranged in a first direction and a second direction intersecting the first direction, a plurality of sub-pixels included in each of the plurality of pixels, a first LED chip included in one of the plurality of sub-pixels and emitting light at a first luminosity L1, a second LED chip included in the one of sub-pixel and emitting light at a second luminosity L2, a first wiring supplying a first voltage corresponding to the first luminosity L1 to the first LED chip, a second wiring supplying a second voltage corresponding to the second luminosity L2 to the second LED chip. The first luminous intensity L1 of the first LED chip is calculated based on an equation (1) using a chip area S1 and a luminance EQEL1 of the first LED chip, L1=S1×EQEL1  (1).

公开(公告)号：US20210098527A1

公开(公告)日：2021-04-01

申请号：US17034368

申请日：2020-09-28

Applicant: Japan Display Inc.

Inventor： Masanobu Ikeda ,  Yoshinori Aoki ,  Akihiro Ogawa ,  Yasuhiro Kanaya

IPC: H01L27/15 ,  H01L33/48

Abstract: A display device, includes: a substrate; a plurality of pixels provided on the substrate; and a plurality of light emitting elements provided in each of the pixels. A first distance between a top surface of the substrate and one of the light emitting elements in a direction perpendicular to the top surface of the substrate, in a center portion of a display region of the substrate, is different from a second distance between the top surface of the substrate and another one of the light emitting elements in the direction perpendicular to the top surface of the substrate, in a periphery portion of the display region.

公开(公告)号：US10884543B2

公开(公告)日：2021-01-05

申请号：US16843523

申请日：2020-04-08

Applicant: Japan Display Inc.

Inventor： Masanobu Ikeda ,  Hayato Kurasawa

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/36

Abstract: A display device with a touch detection function is provided and includes a display unit that includes a plurality of pixel electrodes, and a plurality of counter electrodes facing the pixel electrodes, and that displays an image at a resolution in accordance with the number of the pixel electrodes; and a controller that alternately executes, in one frame period, a display operation in a display period by driving the pixel electrodes and the counter electrodes, and a touch detection operation in a touch period by driving the counter electrodes, wherein the controller that changes a ratio between the display period and the touch period in the one frame period in accordance with a resolution of an image to be displayed in the one frame period.

公开(公告)号：US10365745B2

公开(公告)日：2019-07-30

申请号：US16043713

申请日：2018-07-24

Applicant: Japan Display Inc.

Inventor： Koji Ishizaki ,  Masanobu Ikeda ,  Yasuyuki Matsui

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333

Abstract: A display device with a touch detection function including a plurality of touch detection electrodes arranged in parallel to extend in one direction, formed with a predetermined electrode pattern including an electrode portion and aperture portions, and each outputting a detection signal based on a change of an electrostatic capacitance in response to an external proximity object, a plurality of display elements formed in a layer different from a layer provided with the touch detection electrodes, and arranged by a predetermined number in a width direction in a region corresponding to the touch detection electrode, and a plurality of dummy electrodes arranged in an inter-detection-electrode region of the plurality of touch detection electrodes. The aperture portions are provided to allow an arrangement area ratio of the touch detection electrode to be almost equal to an arrangement area ratio of the dummy electrodes in the inter-detection-electrode region.

公开(公告)号：US20190138134A1

公开(公告)日：2019-05-09

申请号：US16239919

申请日：2019-01-04

Applicant: Japan Display Inc.

Inventor： Masanobu Ikeda ,  Koji Ishizaki ,  Hayato Kurasawa ,  Yoshihiro Watanabe ,  Toshimasa Ishigaki ,  Daisuke Sonoda ,  Tatsuya Ide

IPC: G06F3/044 ,  G02F1/1362 ,  G02F1/1333 ,  G06F3/041

CPC classification number: G06F3/044 ,  G02F1/13338 ,  G02F1/136204 ,  G02F2001/134372 ,  G06F3/0412

Abstract: To reduce disturbances in display of images due to static electricity without deteriorating optical properties in a display. The display includes a conductive pattern provided on the upper surface of the substrate, a protection layer provided on the upper surface of the substrate to cover the conductive pattern, and a conductive layer provided on the protection layer. The sheet resistance of the conductive pattern is not more than 8 Ω/square. A ratio of the total sum of areas of portions of the plurality of sub-pixels that overlap the conductive pattern in a plan view to the total sum of the areas of the plurality of sub-pixels is 1 to 22%. A sheet resistance of the conductive layer is higher than the sheet resistance of the conductive pattern.