公开(公告)号：US20240105884A1

公开(公告)日：2024-03-28

申请号：US18470478

申请日：2023-09-20

Applicant: Japan Display Inc.

Inventor： Kenichi TAKEMASA ,  Kazuyuki YAMADA ,  Keisuke ASADA ,  Daiki ISONO

IPC: H01L33/48 ,  H01L25/075 ,  H01L33/20 ,  H01L33/62

CPC classification number: H01L33/486 ,  H01L25/0753 ,  H01L33/20 ,  H01L33/62 ,  H01L2933/0066

Abstract: Performance of an electronic device is improved. A substrate for transfer includes a substrate having a surface and made of a visible light transmitting material, and an elastic deformation portion fixed on the surface of the substrate, transmitting visible light, and made of an elastically deformable material. The elastic deformation portion includes a plurality of element holding portions, and a plurality of protrusions arranged at positions not overlapping with the plurality of element holding portions, and protruding higher than the plurality of element holding portions when the surface of the substrate is a reference plane.

公开(公告)号：US20240021757A1

公开(公告)日：2024-01-18

申请号：US18350774

申请日：2023-07-12

Applicant: Japan Display Inc.

Inventor： Keisuke ASADA ,  Kazuyuki YAMADA ,  Kenichi TAKEMASA ,  Daiki ISONO

IPC: H01L33/38 ,  H01L21/66 ,  H01L33/00 ,  H01L33/56

CPC classification number: H01L33/38 ,  H01L22/12 ,  H01L33/005 ,  H01L33/56 ,  H01L2933/0016

Abstract: A display device includes a substrate, a first electrode and a second electrode on the substrate, and an LED chip disposed on the first electrode and the second electrode and having an n-side pad electrode and a p-side pad electrode. The n-side pad electrode has a first protruding portion, the first protruding portion protruding toward the substrate and in contact with the first electrode, and the p-side pad electrode has a second protruding portion, the second protruding portion protruding toward the substrate and in contact with the second electrode.

公开(公告)号：US20220375895A1

公开(公告)日：2022-11-24

申请号：US17746263

申请日：2022-05-17

Applicant: Japan Display Inc.

Inventor： Keisuke ASADA ,  Kazuyuki YAMADA ,  Kenichi TAKEMASA ,  Daiki ISONO

IPC: H01L23/00 ,  H01L33/00 ,  H01L25/16

Abstract: According to an aspect, a manufacturing method of a display device includes: obtaining a first reference position on a surface of a holding substrate based on positions of a plurality of first alignment marks of the holding substrate; and aligning the holding substrate with a transfer destination substrate such that the first reference position on the holding substrate and a second reference position on a surface of the transfer destination substrate coincide. The holding substrate is sectioned into a plurality of first sections and a plurality of second sections when viewed from one direction. Each of the first sections is provided in a part of a gap between the second sections when viewed from the one direction, has a light transmission rate higher than a light transmission rate of the second sections, and forms the first alignment mark through which light passes when viewed from the one direction.

公开(公告)号：US20220320041A1

公开(公告)日：2022-10-06

申请号：US17706612

申请日：2022-03-29

Applicant: Japan Display Inc.

Inventor： Kenichi TAKEMASA ,  Kazuyuki YAMADA ,  Keisuke ASADA ,  Daiki ISONO

IPC: H01L23/00 ,  H01L25/075

Abstract: According to one embodiment, a method of mounting electronic components, includes placing a workpiece comprising an insulating substrate including a first surface, a circuit board including a terminal portion and a spacer, a sapphire substrate including a second surface and a wafer including the electronic components, bringing the pressure jig into contact with a part of the sapphire substrate to apply a load on a contact part between a part of an upper surface of the spacer and the second surface, pressing the sapphire substrate toward the circuit board with the pressure jig, to bring other part of the upper surface of the spacer into contact with the second surface and flatten the sapphire substrate.

公开(公告)号：US20220209081A1

公开(公告)日：2022-06-30

申请号：US17696927

申请日：2022-03-17

Applicant: Japan Display Inc.

Inventor： Hideaki ABE ,  Kazuyuki YAMADA ,  Keisuke ASADA ,  Kota UOGISHI ,  Kenichi TAKEMASA ,  Daiki ISONO

IPC: H01L33/60 ,  H01L33/62

Abstract: An LED module has a first layer including a first plane, an LED chip arranged on the first plane, a second layer surrounding the LED chip and including a convex part on the first plane, and a third layer arranged outside the LED chip and overlapping an upper surface of the first layer, a side surface of the second layer, and a part of the upper surface of the second layer. In the LED module, a height of the convex part of the second layer is lower than a height of the upper surface of the LED chip, and the first layer, the second layer and the third layer include conductive films.

公开(公告)号：US20240395587A1

公开(公告)日：2024-11-28

申请号：US18669662

申请日：2024-05-21

Applicant: Japan Display Inc.

Inventor： Kenichi TAKEMASA ,  Kazuyuki YAMADA ,  Keisuke ASADA ,  Daiki ISONO

IPC: H01L21/673 ,  H01L23/00 ,  H01L25/075

Abstract: Performance of an electronic component including a plurality of elements is improved. A transfer substrate includes: a support substrate; an adhesive resin layer continuously provided on one surface of the support substrate and having a plurality of holding regions adhesively holding elements; and a coating film provided on a surface of the adhesive resin layer opposite to the support substrate to cover an outer region of the holding region of the adhesive resin layer and having lower surface adhesiveness than surface adhesiveness of the adhesive resin layer.

公开(公告)号：US20220238599A1

公开(公告)日：2022-07-28

申请号：US17723619

申请日：2022-04-19

Applicant: Japan Display Inc.

Inventor： Kazuyuki YAMADA

IPC: H01L27/15 ,  H01L33/56 ,  H01L33/00

Abstract: According to one embodiment, a display device includes an array substrate having a first main surface on which a plurality of light emitting elements spaced apart from each other is provided and a second main surface located on an opposite side of the first main surface, an optical resin layer provided between the plurality of light emitting elements and on the plurality of light emitting elements on the first main surface of the array substrate, and a light transmitting layer provided on the optical resin layer. The optical resin layer has a refractive index of 1.40 or more and 1.60 or less, and translucency of 90% or more.

公开(公告)号：US20220209084A1

公开(公告)日：2022-06-30

申请号：US17551182

申请日：2021-12-15

Applicant: Japan Display Inc.

Inventor： Kenichi TAKEMASA ,  Kazuyuki YAMADA ,  Keisuke ASADA ,  Daiki ISONO

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/38

Abstract: An LED module includes a first electrode, a second electrode arranged isolated from the first electrode, a first bump on the first electrode, a second bump on the second electrode, a protrusion between the first electrode and the second electrode, and an LED chip having a first pad electrode and a second pad electrode. The protrusion has insulating properties, the first pad electrode of the LED chip is disposed opposite the first electrode, the second pad electrode is disposed opposite the second electrode, the first pad electrode is connected to the first electrode through the first bump, and the second pad electrode is connected to the second electrode through the second bump.

公开(公告)号：US20150070308A1

公开(公告)日：2015-03-12

申请号：US14478215

申请日：2014-09-05

Applicant: Japan Display Inc.

Inventor： Keiji TAKIZAWA ,  Kazuyuki YAMADA ,  Akio NAKAMURA

IPC: G06F3/044

CPC classification number: G06F3/04886 ,  G06F2203/04809

Abstract: A display device with touch detection function includes: a display panel including a display plane for displaying images and an electrostatic capacitance type touch detection device; a cover member stacked on the display plane of the display panel, the cover member having at least one recess portion and/or projection portion on the side of a touch surface opposite to a plane that faces the display panel; and a controller configured to send a signal upon the touch detection device detects a variance of electrostatic capacitance proximity to the at least one recess portion and/or projection portion.

Abstract translation: 具有触摸检测功能的显示装置包括：显示面板，包括用于显示图像的显示面和静电电容型触摸检测装置; 盖构件，其堆叠在所述显示面板的显示面上，所述盖构件具有与面向所述显示面板的平面相反的触摸面侧的至少一个凹部和/或突出部; 以及控制器，被配置为在所述触摸检测装置上发送信号以检测与所述至少一个凹部和/或突出部分的静电电容接近度的差异。

公开(公告)号：US20240266490A1

公开(公告)日：2024-08-08

申请号：US18625751

申请日：2024-04-03

Applicant: Japan Display Inc.

Inventor： Keisuke ASADA ,  Kazuyuki YAMADA ,  Kenichi TAKEMASA ,  Daiki ISONO

IPC: H01L33/62 ,  H01L25/16 ,  H01L33/58

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L33/58

Abstract: A display device capable of providing a high production efficiency LED display including: a wiring electrically connected to a transistor of a pixel circuit, a layer including a top surface of the wiring being formed of a first material; a connecting electrode electrically connected to the wiring, a layer including a top surface of the connecting electrode being formed of a second material; and an LED element mounted on the connecting electrode, wherein an absorption rate of the first material with respect to infrared radiation is smaller than an absorption rate of the second material with respect to infrared radiation.