公开(公告)号：US20240147615A1

公开(公告)日：2024-05-02

申请号：US18483542

申请日：2023-10-10

Applicant: Japan Display Inc.

Inventor： Takumi SANO ,  Akio MURAYAMA ,  Shinichiro OKA ,  Masatomo HISHINUMA

IPC: H05K1/03 ,  H05K1/11 ,  H05K3/10

CPC classification number: H05K1/032 ,  H05K1/0306 ,  H05K1/118 ,  H05K3/103 ,  H05K2201/10106 ,  H05K2201/10151

Abstract: According to one embodiment, an electronic device includes an elastic insulating base including a plurality of island-shaped portions and a plurality of strip-like portions each connecting respective adjacent pair of the plurality of island-shaped portions, electrical element located on each of the plurality of island-shaped portions and a plurality of wiring lines located in the plurality of strip-like portions respectively and each electrically connected to the electrical element. Each of the plurality of strip-like portions including a curved portion, and a ratio (R/W) of a radius (R) of curvature in the curved portions to the width W in the curved portion is in a range of 10≤R/W≤20.

公开(公告)号：US20240027826A1

公开(公告)日：2024-01-25

申请号：US18477550

申请日：2023-09-29

Applicant: Japan Display Inc.

Inventor： Mitsutaka OKITA ,  Shinichiro OKA ,  Shigesumi ARAKI ,  Daiichi SUZUKI ,  Yoshiaki AMANO ,  Hiromi MATSUNO

IPC: G02F1/1335 ,  G02F1/1347 ,  G02F1/1343

CPC classification number: G02F1/133553 ,  G02F1/13478 ,  G02F1/134309

Abstract: According to one embodiment, an intelligent reflecting surface includes a first substrate including a plurality of patch electrodes spaced apart and arranged in a matrix along each of an X-axis and a Y-axis orthogonal to each other, a second substrate including a common electrode opposed to the plurality of patch electrodes in a direction parallel to a Z-axis orthogonal to each of the X-axis and the Y-axis, and a liquid crystal layer held between the first substrate and the second substrate and opposed to the plurality of patch electrodes. Each of the patch electrodes includes a first aperture.

公开(公告)号：US20230039923A1

公开(公告)日：2023-02-09

申请号：US17972904

申请日：2022-10-25

Applicant: Japan Display Inc.

Inventor： Kazunari TOMIZAWA ,  Tsutomu HARADA ,  Junji KOBASHI ,  Shinichiro OKA ,  Yosuke HYODO

IPC: G02F1/1347 ,  G02F1/1335

Abstract: According to one embodiment, in a display device a first panel includes a first polarizing plate, a second polarizing plate, and a first liquid crystal panel interposed between the first polarizing plate and the second polarizing plate, a second panel includes a third polarizing plate, a fourth polarizing plate, and a second liquid crystal panel interposed between the third polarizing plate and the fourth polarizing plat, and a polarizing plate, which is located second from a surface close to an illumination device and a surface closest to an observer, has an extinction ratio that is lower than that of each of the other polarizing plates.

公开(公告)号：US20220350183A1

公开(公告)日：2022-11-03

申请号：US17868898

申请日：2022-07-20

Applicant: Japan Display Inc.

Inventor： Yosuke HYODO ,  Shinichiro OKA ,  Toshiharu MATSUSHIMA

IPC: G02F1/1345 ,  G02F1/1339

Abstract: According to one embodiment, a display device includes a first display panel, a second display panel and an adhesive layer. The first display panel includes a first substrate with a first terminal area in which a first terminal part is formed, and a second substrate which is opposed to the first substrate and has a thickness different from that of the first substrate. The second display panel includes a third substrate with a second terminal area in which a second terminal part is formed, and a fourth substrate which is opposed to the third substrate and has a thickness different from that of the third substrate. The first terminal area and the second terminal area do not overlap with each other in a plan view.

公开(公告)号：US20210397262A1

公开(公告)日：2021-12-23

申请号：US17446873

申请日：2021-09-03

Applicant: Japan Display Inc.

Inventor： Shinichiro OKA ,  Michiaki SAKAMOTO

IPC: G06F3/01 ,  G06F3/041 ,  B06B1/00

Abstract: A display apparatus includes: a display panel; an enclosure enclosing the display panel; a cover member covering a front surface of the display panel; an actuator connected to the cover member and having a function of applying vibration to the cover member; and a viscous body arranged between the display panel and the cover member. The viscous body is bonded to the display panel and the cover member, and, when a periodic stress having a vibration frequency of ½ period per second is applied to the viscous body, a dynamic elastic modulus of the viscous body is equal to or lower than 1×10−3 of Young's modulus of the viscous body.

公开(公告)号：US20210208444A1

公开(公告)日：2021-07-08

申请号：US17208500

申请日：2021-03-22

Applicant: Japan Display Inc.

Inventor： Shinichiro OKA ,  Yosuke HYODO ,  Toshiyuki HIGANO ,  Emi HIGANO

IPC: G02F1/1345 ,  G02F1/1333 ,  G02F1/1339

Abstract: An electrooptic apparatus includes: a flexible first substrate having a first front surface; a liquid crystal layer (electrooptic layer) formed above the first front surface of the first substrate; a transistor element between the first substrate and the liquid crystal layer; a first wiring being closer to the first front surface and electrically connected to the transistor element; a first organic film between the first substrate and the first wiring; and a first inorganic insulating film between the transistor element and the first substrate and on the first front surface of the first substrate. The first substrate further includes: a first portion overlapping a display region and the insulating film; and a second portion not overlapping the insulating film 11 and including a bending region. The first wiring overlaps the first and second portions, and a thickness of the second portion is smaller than a thickness of the first portion.

公开(公告)号：US20200348561A1

公开(公告)日：2020-11-05

申请号：US16935270

申请日：2020-07-22

Applicant: Japan Display Inc.

Inventor： Shinichiro OKA ,  Yosuke Hyodo ,  Lu Jin ,  Yasushi Tomioka

IPC: G02F1/1335 ,  G02F1/1339 ,  G02F1/1337 ,  G02F1/1362

Abstract: Regarding a flexible display apparatus, a technique capable of securing connection performance between the members in the thickness direction and reducing the change of the cell gap, and besides, achieving favorable optical property such as the improvement of the aperture ratio is provided. A display apparatus 1 includes: a first substrate SB1 having flexibility; a second substrate SB2 having flexibility; a liquid crystal layer LQ serving as an electrooptic layer; and a display area made of these components. The second substrate SB2 includes: a color filter (second color filter CF2) arranged in a region corresponding to an opening P1 of each pixel in the display area in a plan view; and a first light blocking film BM1 having an ultraviolet-light transmitting property and arranged in a region corresponding to a non-opening P2 between pixels. The electrooptic layer includes a polymer wall PW arranged in a region overlapping the first light blocking film BM1 in a plan view, the region overlapping this film, and connecting a surface Sf11 of the first substrate SB1 and a surface Sf22 of the second substrate SB2.

公开(公告)号：US20180356701A1

公开(公告)日：2018-12-13

申请号：US15984913

申请日：2018-05-21

Applicant: Japan Display Inc.

Inventor： Yosuke HYODO ,  Shinichiro OKA ,  Lu JIN

IPC: G02F1/1362 ,  G02F1/1335 ,  G02F1/1333 ,  G02F1/1343

CPC classification number: G02F1/136286 ,  G02F1/133305 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/1343 ,  G02F1/136209 ,  G02F2001/134372 ,  G02F2001/13685

Abstract: A display device including a first resin substrate having flexibility, a second resin substrate having flexibility facing the first resin substrate, an electro-optical layer between the first resin substrate and the second resin substrate, a semiconductor layer included in a transistor between the first resin substrate and the electro-optical layer, a plurality of wiring layers between the first resin substrate and the electro-optical layer, the plurality of wiring layers including a metal layer below the semiconductor layer, a first inorganic insulating layer between the metal layer and the first resin substrate, and a second inorganic insulating layer arranged in the second resin substrate between the electro-optical layer and the second resin substrate, a thickness of the second inorganic insulating layer being different from a thickness of the first inorganic insulating layer.

公开(公告)号：US20180341143A1

公开(公告)日：2018-11-29

申请号：US15960873

申请日：2018-04-24

Applicant: Japan Display Inc.

Inventor： Yosuke HYODO ,  Shinichiro OKA ,  Lu JIN

IPC: G02F1/1333 ,  H01L27/12 ,  G02F1/1345 ,  G02F1/1368 ,  H01L29/786 ,  G02F1/1362 ,  G02F1/1335

Abstract: A display device includes a first flexible substrate on which a display region and a peripheral region located along a periphery of the display region are arranged; a connection terminal provided in the peripheral region, the connection terminal being connected with an integrated circuit; and a first insulating film in contact with the first flexible substrate. The first insulating film is present in the display region, and the first insulating film is not present between the connection terminal and the first flexible substrate.

公开(公告)号：US20180231823A1

公开(公告)日：2018-08-16

申请号：US15877674

申请日：2018-01-23

Applicant: Japan Display Inc.

Inventor： Yosuke HYODO ,  Shinichiro OKA ,  Lu JIN

IPC: G02F1/1333 ,  G02F1/1339 ,  G02F1/1345

CPC classification number: G02F1/133305 ,  G02F1/133345 ,  G02F1/1339 ,  G02F1/1345 ,  G02F1/13458 ,  G02F1/136286 ,  G02F2001/133388 ,  G02F2001/13456

Abstract: A display device includes a flexible first substrate, a flexible second substrate, a first layer, a first insulating layer in contact with the first layer, a second insulating layer in contact with the first layer, a liquid crystal layer between the first substrate and the second substrate, and a sealant sealing the liquid crystal layer and bonding the first substrate and the second substrate. The display device is bendable in a region inner to the sealant, the first substrate includes a seal region overlapping the sealant and a liquid crystal region overlapping the liquid crystal layer, the first insulating layer is in contact with the first layer in the seal region, the second insulating layer is in contact with the first layer in the liquid crystal region, and the first insulating layer and the second insulating layer have different thicknesses or are formed of different materials.