公开(公告)号：US09991469B2

公开(公告)日：2018-06-05

申请号：US15442089

申请日：2017-02-24

Applicant: Japan Display Inc.

Inventor： Takumi Sano ,  Yasushi Kawata

IPC: H01L51/52 ,  G02F1/1345

CPC classification number: H01L51/5256 ,  G02F1/13452 ,  G02F1/13458 ,  G02F2201/50 ,  H01L27/3258 ,  H01L27/3276 ,  H01L51/5203 ,  H01L51/5253

Abstract: According to one embodiment, a display device includes an insulating substrate including a first area and a second area adjacent to the first area, the insulating substrate including a first through hole formed in the second area which is formed thinner than the first area, a pad electrode disposed above the first through hole, a signal line electrically connected to the pad electrode, a line substrate including a connection line and disposed below the insulating substrate, a conductive material disposed inside the first through hole to electrically connect the pad electrode and the connection line, a first protection member disposed below the first area, and a second protection member disposed below the first protection member.

公开(公告)号：US09817273B2

公开(公告)日：2017-11-14

申请号：US14931963

申请日：2015-11-04

Applicant: Japan Display Inc.

Inventor： Yasushi Kawata

IPC: G02F1/1337

CPC classification number: G02F1/13378 ,  G02F1/1337 ,  G02F2001/133773 ,  G02F2202/40

Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal layer, a first substrate and a second substrate. The first substrate includes a light reflection type of first pixel electrode and a first alignment film. The second substrate includes a counter-electrode and a second alignment film. A first alignment treatment direction is inclined in a second direction of rotation at an angle of 110° to 130° with respect to in a second alignment treatment direction. A liquid crystal material is used which contains an optically active substance which gives liquid crystal molecules a twisting force from the second alignment film toward the first alignment film in the second direction of rotation.

公开(公告)号：US09666599B2

公开(公告)日：2017-05-30

申请号：US14513653

申请日：2014-10-14

Applicant: Japan Display Inc.

Inventor： Masato Hiramatsu ,  Yasushi Kawata ,  Arichika Ishida

IPC: H01L27/14 ,  H01L29/04 ,  H01L29/15 ,  H01L31/036 ,  H01L27/12

CPC classification number: H01L27/1266 ,  H01L27/1218 ,  H01L27/1222 ,  H01L29/04 ,  H01L29/16 ,  H01L29/66757 ,  H01L29/78684

Abstract: According to one embodiment, a display device includes an underlying insulation layer formed on a surface of a resin layer, and a thin-film transistor formed above the surface of the resin layer via the underlying insulation layer. The underlying insulation layer includes a three-layer multilayer structure of a first silicon oxide film, a silicon nitride film formed above the first silicon oxide film, and a second silicon oxide film formed above the silicon nitride film.

公开(公告)号：US10976580B2

公开(公告)日：2021-04-13

申请号：US16533903

申请日：2019-08-07

Applicant: Japan Display Inc.

Inventor： Arichika Ishida ,  Yasushi Kawata

IPC: G02F1/1333 ,  H01L51/00

Abstract: According to one embodiment, a display device includes a first substrate including a first resin substrate having a first thermal expansion coefficient, and a first barrier layer having a second thermal expansion coefficient which is lower than the first thermal expansion coefficient, a second substrate including a second resin substrate having a third thermal expansion coefficient which is equal to the first thermal expansion coefficient, and a second barrier layer having a fourth thermal expansion coefficient which is lower than the third thermal expansion coefficient and is equal to the first thermal expansion coefficient, and a display element located between the first resin substrate and the second resin substrate.

公开(公告)号：US10658400B2

公开(公告)日：2020-05-19

申请号：US15479305

申请日：2017-04-05

Applicant: Japan Display Inc.

Inventor： Masato Hiramatsu ,  Yasushi Kawata ,  Arichika Ishida

IPC: H01L27/12 ,  H01L29/04 ,  H01L29/16 ,  H01L29/66 ,  H01L29/786

Abstract: According to one embodiment, a display device includes an underlying insulation layer formed on a surface of a resin layer, and a thin-film transistor formed above the surface of the resin layer via the underlying insulation layer. The underlying insulation layer includes a three-layer multilayer structure of a first silicon oxide film, a silicon nitride film formed above the first silicon oxide film, and a second silicon oxide film formed above the silicon nitride film.

公开(公告)号：US10401560B2

公开(公告)日：2019-09-03

申请号：US14988900

申请日：2016-01-06

Applicant: Japan Display Inc.

Inventor： Yasushi Kawata

IPC: G02F1/136 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1345 ,  F21V8/00

Abstract: An illumination device according to one embodiment includes a backlight and a display panel configured to selectively transmit light from the backlight. The backlight includes a light source, a main light guide portion formed in the shape of a flat plate and an approach portion. The main light guide portion includes a first surface facing the display panel, and a second surface opposite to the first surface. The approach portion includes a third surface facing the second surface, a fourth surface opposite to the third surface, a first end portion facing the light source, and a second end portion opposite to the first end portion, and connected to the main light guide portion, the fourth surface being inclined with respect to the third surface.

公开(公告)号：US10342133B2

公开(公告)日：2019-07-02

申请号：US15635680

申请日：2017-06-28

Applicant: Japan Display Inc.

Inventor： Yasushi Kawata ,  Takumi Sano

IPC: H05K1/14 ,  H01L27/32 ,  H05K1/03 ,  H05K3/28 ,  H05K3/36 ,  H01L51/00 ,  H01L51/52

Abstract: According to one embodiment, a display device includes an insulating substrate that includes a first area, a second area adjacent to the first area, and a third area adjacent to the second area, a wiring substrate mounted at a position overlapping the third area on a surface side of the insulating substrate, and a supporting substrate attached to the insulating substrate on the other surface side of the insulating substrate, which is opposite to the surface side, wherein the second area is located between the first area and the third area, and the supporting substrate is provided so as not to overlap the second area.

公开(公告)号：US10170530B2

公开(公告)日：2019-01-01

申请号：US15449033

申请日：2017-03-03

Applicant: Japan Display Inc.

Inventor： Takumi Sano ,  Yasushi Kawata

IPC: H01L29/205 ,  H01L33/00 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: According to one embodiment, a display device includes a first substrate including as insulating substrate with a first through hole, a pad electrode positioned above the insulating substrate, and a signal line electrically connected to the pad electrode, a second substrate opposed to the first substrate, a sealant which adheres the first substrate and the second substrate, a line substrate including a connection line and disposed below the insulating substrate, and a conductive material which electrically connects the pad electrode and the connection line, wherein the sealant is less absorptive than is the insulating substrate as to a wavelength less than 350 nm.

公开(公告)号：US10032421B2

公开(公告)日：2018-07-24

申请号：US15240240

申请日：2016-08-18

Applicant: Japan Display Inc.

Inventor： Hajime Yamaguchi ,  Yasushi Kawata ,  Akio Murayama

IPC: G09G3/36

Abstract: According to one embodiment, a liquid display device includes a liquid crystal display panel provided with pixel which includes pixel electrode, and has gradation values that vary, a driver which drives the pixel electrode, and a processor which supplies, if the gradation value of the pixel varies, the driver with a correction image signal based on an addition image signal in which a voltage based on the gradation value and a compensation voltage are added. The compensation voltage is based on pixel capacitances prior to and subsequent to variation of the gradation value and a voltage subsequent to the variation of the gradation value.

公开(公告)号：US10031365B2

公开(公告)日：2018-07-24

申请号：US14689282

申请日：2015-04-17

Applicant: Japan Display Inc.

Inventor： Masaya Tamaki ,  Hayato Kurasawa ,  Yasushi Kawata

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/13

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate unit including pixel electrodes arranged in a matrix configuration, a second substrate unit including counter electrodes, and a liquid crystal layer. The pixel electrodes include a first and a second pixel electrode arranged to be adjacent along one of the row direction or the column direction. An inter-pixel region is provided between the first and the second pixel electrodes. The counter electrodes include a first and a second opposing portion arranged to be adjacent along the other of the row direction or the column direction. An inter-counter electrode region is provided between the first and the second opposing portions. The inter-counter electrode region overlaps the inter-pixel region. A light-shielding layer is provided in the second substrate unit, and covers the inter-counter electrode region and the inter-pixel region.