公开(公告)号：US20240119890A1

公开(公告)日：2024-04-11

申请号：US18243031

申请日：2023-09-06

Applicant: Samsung Display Co., LTD.

Inventor： Nak Cho CHOI ,  Jeong Su KIM ,  Myung Koo HUR

IPC: G09G3/32 ,  G09G3/00

CPC classification number: G09G3/32 ,  G09G3/006 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2330/12

Abstract: A display device includes a sub-pixel connected to a scan write line, a first data line, and a second data line. The sub-pixel includes a light emitting element, a first pixel driving unit configured to generate a control current according to a first data voltage of the first data line, a second pixel driving unit configured to generate a driving current applied to the light emitting element according to a second data voltage of the second data line, and a third pixel driving unit configured to apply the driving current to the light emitting element according to the control current of the first pixel driving unit. The first pixel driving unit includes a first transistor to generate the control current according to the first data voltage, a second transistor configured to apply the first data voltage of the first data line to a first electrode of the first transistor.

公开(公告)号：US20250143047A1

公开(公告)日：2025-05-01

申请号：US18927338

申请日：2024-10-25

Applicant: Samsung Display Co., LTD.

Inventor： Ki Seong SEO ,  Jong Moo HUH ,  Min Woo KIM ,  Myung Koo HUR ,  Hui Won YANG ,  Jae Phil LEE

IPC: H01L33/62 ,  H01L25/16 ,  H01L33/48

Abstract: Provided are a display device and a method for manufacturing the same. According to one or more embodiments of the present disclosure, the display device includes a substrate, a bank on the substrate and comprising an opening, a pixel electrode and a common electrode spaced from each other on the substrate in the opening, an organic layer on the pixel electrode and the common electrode in the opening, a light emitting element on the organic layer, and comprising a first electrode and a second electrode on a top surface thereof, a first connection electrode connected to the pixel electrode and the first electrode of the light emitting element, and a second connection electrode connected to the common electrode and the second electrode of the light emitting element. The organic layer is on a bottom surface and at least a portion of one side surface of the light emitting element.

公开(公告)号：US20230238494A1

公开(公告)日：2023-07-27

申请号：US17970406

申请日：2022-10-20

Applicant: Samsung Display Co., LTD.

Inventor： Nak Cho CHOI ,  Sang Woo AN ,  Yong Duck SON ,  Won Ho JANG ,  Myung Koo HUR

IPC: H01L33/62 ,  H01L25/075 ,  G09F9/302 ,  G09F9/33

CPC classification number: H01L33/62 ,  H01L25/0753 ,  G09F9/3026 ,  G09F9/33 ,  H01L2933/0066

Abstract: A display device includes a substrate including a first surface, a second surface opposite the first surface, a first chamfered surface extending from a side of the first surface, a second chamfered surface extending from a side of the second surface, and a first side surface connecting the first chamfered surface and the second chamfered surface, a plurality of subpixels on the first surface, a side wiring on the first surface, the first chamfered surface, the first side surface, the second chamfered surface, and the second surface of the substrate, and a circuit board on the second surface. The side wiring comprises a first portion on the first surface and a second portion on the first side surface, and includes metal particles where a packing density of the metal particles in the first portion is higher than a packing density of the metal particles in the second portion.

公开(公告)号：US20220302231A1

公开(公告)日：2022-09-22

申请号：US17696413

申请日：2022-03-16

Applicant: Samsung Display Co., LTD.

Inventor： Yong Duck SON ,  Ki-Hoon HA ,  Chan-Hyun PARK ,  Won Ho JANG ,  Myung Koo HUR

IPC: H01L27/32

Abstract: A display device includes a common voltage line disposed on a substrate, a passivation layer disposed on the common voltage line, a connection electrode disposed on the passivation layer and electrically connected to the common voltage line, a pixel definition layer disposed on the connection electrode and including a first opening, an emission layer disposed on the pixel definition layer, and a common electrode disposed on the emission layer and electrically connected to the connection electrode through the first opening, wherein the passivation layer includes a second opening surrounding the first opening.

公开(公告)号：US20220209177A1

公开(公告)日：2022-06-30

申请号：US17560356

申请日：2021-12-23

Applicant: Samsung Display Co., LTD.

Inventor： Yong Duck SON ,  Jeong Hwan KIM ,  Sun PARK ,  Min Chul SHIN ,  Jin Wook JEONG ,  Myung Koo HUR

IPC: H01L51/52 ,  H01L51/56

Abstract: A display device includes a substrate that includes a display area and a non-display area; a mask support that is disposed in the non-display area of the substrate; a sealant that is disposed in the non-display area of the substrate and is disposed between the mask support and the display area; an insulating layer that is disposed between the sealant and the mask support; and a plurality of grooves that are formed by removing at least a part of the insulating layer.

公开(公告)号：US20240266362A1

公开(公告)日：2024-08-08

申请号：US18396205

申请日：2023-12-26

Applicant: Samsung Display Co., LTD. ,  NOKWON C&I Corporation

Inventor： Nak Cho CHOI ,  Min Woo OH ,  Jong Hwan BAE ,  Sang Woo AN ,  Jae Chil HWANG ,  Myung Koo HUR

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/1244 ,  H01L25/167 ,  H01L27/1292 ,  H01L27/1218

Abstract: Provided are a display device, a method of fabricating the display device, and a tiled display device including display devices. A display device includes, a substrate including a first surface, a second surface opposite the first surface, and a first side surface disposed between the first surface and the second surface, a light emitting element disposed on the first surface, a side wiring disposed on the first surface, the first side surface, and the second surface, and an overcoat layer covering the side wiring, and the overcoat layer includes at least one of CaCO3 and xCaO·ySiO2·zH2O where x, y, and z are natural numbers.

公开(公告)号：US20230238394A1

公开(公告)日：2023-07-27

申请号：US18158421

申请日：2023-01-23

Applicant: Samsung Display Co., LTD.

Inventor： Kye Uk LEE ,  Nak Cho CHOI ,  Sang Woo AN ,  Yong Duck SON ,  Won Ho JANG ,  Jung Hwan HWANG ,  Myung Koo HUR

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/124 ,  H01L25/167 ,  H01L27/1218 ,  H01L24/05

Abstract: A display device includes a substrate including a first surface, a second surface opposite to the first surface, a first chamfered surface extending from one side of the first surface, a second chamfered surface extending from one side of the second surface, and a side surface connecting the first chamfered surface to the second chamfered surface, a pixel on the first surface of the substrate and including a light emitting element to emit light, a plurality of front pad parts on an edge of the first surface of the substrate and electrically connected to the pixel, a plurality of rear pad parts on an edge of the second surface of the substrate, and a plurality of side surface connection lines on the side surface of the substrate electrically connecting the plurality of front pad parts to the plurality of rear pad parts.

公开(公告)号：US20230237937A1

公开(公告)日：2023-07-27

申请号：US17890937

申请日：2022-08-18

Applicant: Samsung Display Co., LTD.

Inventor： Nak Cho CHOI ,  Sang Woo AN ,  Yong Duck SON ,  Won Ho JANG ,  Myung Koo HUR

IPC: G09F9/302 ,  H01L33/62 ,  H01L25/075 ,  H01L33/44 ,  H01L33/38

CPC classification number: G09F9/3026 ,  H01L33/62 ,  H01L25/0753 ,  H01L33/44 ,  H01L33/382

Abstract: A display device includes: a substrate; a transistor layer on a first surface of the substrate; a pad portion; a first via layer on the transistor layer, and spaced from the pad portion; a second via layer on the first via layer, and exposing an upper surface of the first via layer; a third via layer on the second via layer, and exposing an upper surface of the second via layer; a display element layer on the third via layer; a lead line on a second surface of the substrate; a side surface connection line on the first surface, the second surface, and a side surface between the first surface and the second surface, the side surface connection line electrically connecting the pad portion to the lead line; and an over-coating layer covering the side surface connection line, and overlapping with the exposed upper surface of the first via layer.