公开(公告)号：US11899313B2

公开(公告)日：2024-02-13

申请号：US18097631

申请日：2023-01-17

Applicant: Japan Display Inc.

Inventor： Manabu Mizuno ,  Kentaro Okuyama ,  Hiroshi Inamura ,  Hiroki Sugiyama

IPC: G02F1/13357 ,  F21V8/00 ,  G02F1/1334 ,  G02F1/137 ,  G02F1/1339 ,  G02F1/1341

CPC classification number: G02F1/133615 ,  G02B6/0055 ,  G02B6/0076 ,  G02F1/137 ,  G02F1/1334 ,  G02F1/133605 ,  G02F1/1339 ,  G02F1/1341 ,  G02F1/13756 ,  G02F2201/121

Abstract: According to an aspect, a display apparatus includes: a first light-transmissive substrate; a second light-transmissive substrate arranged to face the first light-transmissive substrate; a liquid crystal layer including polymer dispersed liquid crystals sealed between the first light-transmissive substrate and the second light-transmissive substrate; at least one light-emitting device arranged to face at least one of a side surface of the first light-transmissive substrate or a side surface of the second light-transmissive substrate; and at least one reflector arranged on at least one of a side surface of the first light-transmissive substrate or a side surface of the second light-transmissive substrate, the side surface of the first or second light-transmissive substrate being on an opposite side of the side surface of the first or second light-transmissive substrate to which the at least one light-emitting device faces, and configured to reflect light at the side surface on the opposite side.

公开(公告)号：US10942396B2

公开(公告)日：2021-03-09

申请号：US16863059

申请日：2020-04-30

Applicant: Japan Display Inc.

Inventor： Hiroki Sugiyama ,  Kentaro Okuyama ,  Hideki Kaneko ,  Hiroshi Inamura ,  Manabu Mizuno

IPC: G02F1/13357 ,  G02F1/1334 ,  G02F1/1345 ,  G02B6/00 ,  F21V8/00 ,  G02F1/1335

Abstract: A display device according to one aspect of the present invention includes a first substrate including a pixel portion and a terminal portion, a second substrate arranged to face the pixel portion, a first light source device arranged in the terminal portion, and irradiating a first end surface of the second substrate with first light, a liquid crystal layer arranged between the first substrate and the second substrate, and a semiconductor element arranged on a side opposite to a side of the pixel portion across the first light source device, and electrically coupled with the terminal portion, wherein the first light is propagated while reflected between the first substrate and the second substrate, and the liquid crystal layer modulates the propagated first light.

公开(公告)号：US11460739B2

公开(公告)日：2022-10-04

申请号：US17336786

申请日：2021-06-02

Applicant: Japan Display Inc.

Inventor： Manabu Mizuno ,  Yoshihide Ohue ,  Hiroki Sugiyama ,  Kentaro Okuyama

IPC: G02F1/137 ,  G02F1/1362 ,  G02F1/1334 ,  G02F1/13357 ,  G09G3/34 ,  G09G3/36 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1368

Abstract: A display device includes: an array substrate including a plurality of first light-transmitting electrodes each disposed in a corresponding one of pixels; a counter substrate including positions overlapping the first light-transmitting electrodes and provided with a second light-transmitting electrode; a liquid crystal layer including polymer-dispersed liquid crystals filled between the array substrate and the counter substrate; and at least one light source configured to emit light toward a side surface of the counter substrate. The array substrate includes, in each of the pixels, a third light-transmitting electrode that at least partially overlaps the first light-transmitting electrode in the plan view with an insulating layer interposed therebetween. An area of the third light-transmitting electrode in the pixel in a display region closer to the light source is larger than an area of the third light-transmitting electrode in the pixel in a display region farther from the light source.

公开(公告)号：US11592712B2

公开(公告)日：2023-02-28

申请号：US17560786

申请日：2021-12-23

Applicant: Japan Display Inc.

Inventor： Manabu Mizuno ,  Kentaro Okuyama ,  Hiroshi Inamura ,  Hiroki Sugiyama

IPC: G02F1/13357 ,  F21V8/00 ,  G02F1/1334 ,  G02F1/137 ,  G02F1/1339 ,  G02F1/1341

Abstract: According to an aspect, a display apparatus includes: a first light-transmissive substrate; a second light-transmissive substrate arranged to face the first light-transmissive substrate; a liquid crystal layer including polymer dispersed liquid crystals sealed between the first light-transmissive substrate and the second light-transmissive substrate; at least one light-emitting device arranged to face at least one of a side surface of the first light-transmissive substrate or a side surface of the second light-transmissive substrate; and at least one reflector arranged on at least one of a side surface of the first light-transmissive substrate or a side surface of the second light-transmissive substrate, the side surface of the first or second light-transmissive substrate being on an opposite side of the side surface of the first or second light-transmissive substrate to which the at least one light-emitting device faces, and configured to reflect light at the side surface on the opposite side.

公开(公告)号：US11340508B2

公开(公告)日：2022-05-24

申请号：US17331732

申请日：2021-05-27

Applicant: Japan Display Inc.

Inventor： Hiroki Sugiyama ,  Yoshihide Ohue ,  Manabu Mizuno ,  Kentaro Okuyama

IPC: G02F1/1362 ,  G02F1/1368

Abstract: A display device according to an aspect includes: an array substrate including a plurality of first light-transmitting electrodes each disposed in a corresponding one of pixels; a counter substrate including positions that overlap the first light-transmitting electrodes in a plan view and are provided with a second light-transmitting electrode; a liquid crystal layer including polymer-dispersed liquid crystals filled between the array substrate and the counter substrate; and at least one light emitter configured to emit light toward a side surface of the counter substrate. The array substrate includes, in each of the pixels, a third light-transmitting electrode and a conductive metal layer. The third light-transmitting electrode at least partially overlaps the first light-transmitting electrode in the plan view with an inorganic insulating layer interposed therebetween, and the conductive metal layer is stacked on the third light-transmitting electrode.

公开(公告)号：US10782558B2

公开(公告)日：2020-09-22

申请号：US16571976

申请日：2019-09-16

Applicant: Japan Display Inc.

Inventor： Manabu Mizuno ,  Kentaro Okuyama ,  Hiroshi Inamura ,  Hideki Kaneko ,  Hiroki Sugiyama

IPC: G02F1/1335 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1334 ,  G02F1/137

Abstract: A display device according to one aspect of the present invention includes a first substrate including at least a pixel electrode and a pixel switching circuit portion, a second substrate arranged to face the first substrate, a liquid crystal layer arranged between the first substrate and the second substrate, and configured to modulate light, the light being propagated while reflected between the first substrate and the second substrate, and a reflecting layer arranged over a liquid crystal layer side of the pixel switching circuit portion, partially superimposed with the pixel switching circuit portion, and electrically coupled with the pixel electrode, the reflecting layer having higher reflectance of the light than any members included in the pixel switching circuit portion.

公开(公告)号：US10575420B2

公开(公告)日：2020-02-25

申请号：US15919891

申请日：2018-03-13

Applicant: Japan Display Inc.

Inventor： Makoto Ishikawa ,  Manabu Mizuno ,  Shinichiro Tanaka

IPC: H05K5/03 ,  G02F1/1333 ,  H01L51/00 ,  H01L51/52 ,  H05K5/00 ,  H01L27/32

Abstract: According to an aspect, a display device includes: a cover member curved when viewed in a first axis direction along a first axis; and a display panel disposed on one side of the cover member. The cover member has a first surface facing the display panel and a second surface on the opposite side of the first surface. The first surface forms a straight line and at least a part of the second surface forms a curved line in a cross-section orthogonal to a second axis that is along a straight line extending from one end to the other end of the cover member when viewed in the first axis direction.

公开(公告)号：US20200012155A1

公开(公告)日：2020-01-09

申请号：US16573212

申请日：2019-09-17

Applicant: Japan Display Inc.

Inventor： Hiroki Sugiyama ,  Kentaro Okuyama ,  Hideki Kaneko ,  Hiroshi Inamura ,  Manabu Mizuno

IPC: G02F1/1335 ,  G02F1/1334 ,  G02F1/1345

Abstract: A display device according to one aspect of the present invention includes a first substrate including a pixel portion and a terminal portion, a second substrate arranged to face the pixel portion, a first light source device arranged in the terminal portion, and irradiating a first end surface of the second substrate with first light, a liquid crystal layer arranged between the first substrate and the second substrate, and a semiconductor element arranged on a side opposite to a side of the pixel portion across the first light source device, and electrically coupled with the terminal portion, wherein the first light is propagated while reflected between the first substrate and the second substrate, and the liquid crystal layer modulates the propagated first light.

公开(公告)号：US10067392B2

公开(公告)日：2018-09-04

申请号：US15440180

申请日：2017-02-23

Applicant: Japan Display Inc.

Inventor： Hideki Kaneko ,  Kentaro Okuyama ,  Hiroshi Inamura ,  Hiroki Sugiyama ,  Manabu Mizuno

IPC: G02F1/1362 ,  G02F1/1333 ,  G02F1/1368 ,  G02F1/1339 ,  G02F1/1334 ,  G02F1/137 ,  G02F1/1335

Abstract: A display device according to one aspect of the present invention includes a first substrate including a thin film transistor, a second substrate including a common electrode, an organic insulating layer arranged on the first substrate so as to overlap with the thin film transistor, and projecting from the first substrate toward the second substrate, and a conductive light shielding layer covering an upper surface and a side surface of the organic insulating layer, and electrically coupled with the common electrode, wherein the organic insulating layer and the light shielding layer hold a gap between the first substrate and the second substrate.

公开(公告)号：US09111809B2

公开(公告)日：2015-08-18

申请号：US13748109

申请日：2013-01-23

Applicant: Japan Display Inc.

Inventor： Shunpei Takeuchi ,  Akio Ota ,  Manabu Mizuno ,  Takaya Hirose

IPC: H01L27/12 ,  H01L27/146 ,  H01L27/15 ,  H01L21/768 ,  H01L27/32

CPC classification number: H01L27/1248 ,  H01L21/76804 ,  H01L21/76835 ,  H01L27/1214 ,  H01L27/124 ,  H01L27/14603 ,  H01L27/15 ,  H01L27/3248

Abstract: A circuit substrate includes, on an insulating substrate, a plurality of devices, a plurality of conductive layers connected in one-to-one correspondence with the devices, and an insulating layer provided between the devices and the conductive layers. The insulating layer includes a first insulating layer covering the devices, a second insulating layer formed on the first insulating layer, and a plurality of contact holes each passing through the first and second insulating layers in a thickness direction thereof. Side surfaces of the first and second insulating layers contact each other in at least part of the inside of each contact hole. Each conductive layer extends along an upper surface of the second insulating layer, at least a part of a side surface of the contact hole in which the side surfaces of the first and second insulating layers contact each other, and a bottom surface of the contact hole.

Abstract translation: 电路基板在绝缘基板上包括多个器件，与器件一一对应连接的多个导电层以及设置在器件与导电层之间的绝缘层。 绝缘层包括覆盖器件的第一绝缘层，形成在第一绝缘层上的第二绝缘层，以及沿厚度方向穿过第一绝缘层和第二绝缘层的多个接触孔。 第一和第二绝缘层的侧表面在每个接触孔的内部的至少一部分中彼此接触。 每个导电层沿着第二绝缘层的上表面延伸，接触孔的侧表面的至少一部分，其中第一和第二绝缘层的侧表面彼此接触，并且接触孔的底表面 。