公开(公告)号：US20230327055A1

公开(公告)日：2023-10-12

申请号：US17960205

申请日：2022-10-05

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Jong Chan LEE ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L33/48 ,  H01L25/16 ,  H01L33/38

CPC classification number: H01L33/483 ,  H01L25/167 ,  H01L33/38 ,  H01L2933/0033

Abstract: A display device includes a first electrode and a second electrode on a base layer; a first insulating layer on the first electrode and the second electrode; a bank on the first insulating layer; a light emitting element in an area surrounded by the bank; and a second insulating layer on the bank. The second insulating layer forms an opening exposing a surface of the bank.

公开(公告)号：US20230317882A1

公开(公告)日：2023-10-05

申请号：US17979071

申请日：2022-11-02

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/40 ,  H01L33/00 ,  H01L25/075

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L33/40 ,  H01L2933/0066 ,  H01L25/0753 ,  H01L2933/0016 ,  H01L33/005

Abstract: A display device includes, first and second electrodes on a substrate, a buffer layer covering the first and second electrodes, a light emitting element between the first and second electrodes a first contact electrode on the first electrode electrically contacting an end of the light emitting element, and a second contact electrode on the second electrode electrically contacting another end of the light emitting element, and an active layer on the buffer layer, and a first connection electrode electrically contacting at least one side of the active material layer the first and second contact electrodes, and the active material layer are on a same layer, and a thickness of the first electrode and a thickness of the second electrode is greater than about 800 nm.

公开(公告)号：US20230253412A1

公开(公告)日：2023-08-10

申请号：US17955813

申请日：2022-09-29

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Su PARK ,  Jin Taek KIM ,  Hyun KIM ,  Sung Jin LEE ,  Jong Chan LEE ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L27/12 ,  H01L25/16 ,  H01L33/38 ,  H01L23/00

CPC classification number: H01L27/124 ,  H01L25/167 ,  H01L27/1288 ,  H01L33/38 ,  H01L24/03 ,  H01L24/05 ,  H01L24/06 ,  H01L27/1248 ,  H01L2933/0016 ,  H01L2224/05022 ,  H01L2224/05018 ,  H01L2224/05082 ,  H01L2224/05083 ,  H01L2224/0518 ,  H01L2224/05124 ,  H01L2224/05171 ,  H01L2224/05144 ,  H01L2224/05166 ,  H01L2224/05155 ,  H01L2224/05138 ,  H01L2924/0106 ,  H01L2224/05147 ,  H01L2224/05686 ,  H01L2924/0549 ,  H01L2224/05573 ,  H01L2224/05558 ,  H01L2224/05624 ,  H01L2224/05553 ,  H01L2224/0603 ,  H01L2224/05566 ,  H01L2224/0362 ,  H01L2224/03019

Abstract: A display device includes a substrate including a display area and a pad area; a first conductive layer including a first pad electrode in the pad area; and a second conductive layer the second conductive layer includes a second pad electrode on the first pad electrode in the pad area; the first pad electrode and the second pad electrode overlap in a first direction that is a thickness direction, and do not overlap in a second direction perpendicular to the first direction.

公开(公告)号：US20230246134A1

公开(公告)日：2023-08-03

申请号：US17926242

申请日：2020-08-11

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Hyun KIM ,  Sung Jin LEE ,  Jeong Hyun LEE ,  Tae Hee LEE ,  Seung Jin CHU

IPC: H01L33/38 ,  H01L33/62 ,  H01L25/075 ,  H01L33/20

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L25/0753 ,  H01L33/20

Abstract: The display device includes: a substrate; a first electrode and a second electrode that are disposed on the substrate and spaced apart from each other; a first insulating layer disposed between the first electrode and the second electrode and covering the first electrode and the second electrode; and a light emitting element disposed on the first insulating layer and extending in a first direction. The light emitting element includes: a first side extending in the first direction; a second side opposite to the first side; a first lateral side connecting first end portions of the first and second sides; and a second lateral side connecting second end portions of the first and second sides. Each of a first interior angle and a second interior angle, which are formed by the first side and the first and second lateral sides, is an acute angle.

公开(公告)号：US20230187428A1

公开(公告)日：2023-06-15

申请号：US17960876

申请日：2022-10-06

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L25/16 ,  H01L33/48 ,  H01L33/38

CPC classification number: H01L25/167 ,  H01L33/483 ,  H01L33/38 ,  H01L2933/0033 ,  H01L2933/0016

Abstract: A display device may include a plurality of pixels each including an emission area and a non-emission area. Each of the plurality of pixels may include a via layer on a substrate and including an organic layer, a first alignment electrode and a second alignment electrode on the via layer in the emission area and spaced apart from each other, a first insulating layer on the first and second alignment electrodes of the emission area and including a lyophilic organic material, a first bank pattern and a second bank pattern on the first insulating layer of the emission area and spaced apart from each other, a first bank in the non-emission area and including a liquid repellent organic material, and a light emitting element on the first insulating layer in the emission area.

公开(公告)号：US20230154937A1

公开(公告)日：2023-05-18

申请号：US17877524

申请日：2022-07-29

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L27/12 ,  H01L25/16 ,  H01L23/00

CPC classification number: H01L27/1248 ,  H01L25/167 ,  H01L27/1259 ,  H01L24/24 ,  H01L24/25 ,  H01L33/325

Abstract: A display device includes: a substrate having an emission area and a non-emission area; a first bank in the non-emission area of the substrate and having an opening; electrodes on the first bank and spaced apart from each other; a second bank on the electrodes; and light emitting elements on the second bank between the electrodes. The second bank has a first area overlapping the light emitting elements and a second area in the opening in the first bank.

公开(公告)号：US20230133550A1

公开(公告)日：2023-05-04

申请号：US17854584

申请日：2022-06-30

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jung Eun HONG ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Woong Hee JEONG

IPC: H01L27/32 ,  H01L51/56

Abstract: A method for fabricating a thin film transistor comprises disposing a semiconductor layer including a channel area, and a first and second electrode areas, disposing a gate insulating layer covering the semiconductor layer, disposing a diffusion barrier layer covering the gate insulating layer, disposing first and second electrode holes corresponding to the first and second electrode areas, and disposing a gate electrode overlapping the channel area, first and second electrodes electrically connected to the first and second electrode areas through the first and second electrode holes. The disposing of the first electrode hole, and the second electrode hole includes patterning the diffusion layer with a patterning mask disposed on the diffusion barrier layer. The disposing of the gate electrode and the first and second electrodes may include disposing a conductive material layer covering the diffusion barrier layer, and patterning the conductive material layer.

公开(公告)号：US20220310767A1

公开(公告)日：2022-09-29

申请号：US17842360

申请日：2022-06-16

Applicant: Samsung Display Co., LTD.

Inventor： Ju Chan PARK ,  Sun Hee LEE ,  Sun Ho KIM ,  Hyun KIM

IPC: H01L27/32 ,  H01L51/00

Abstract: Provided is a display device. The display device has a display area and a non-display area disposed around the display area and includes pixels disposed in the display area; and an intra-pixel bending area disposed along a direction of each of the pixels.

公开(公告)号：US20220262877A1

公开(公告)日：2022-08-18

申请号：US17500462

申请日：2021-10-13

Applicant: Samsung Display Co., LTD.

Inventor： No Kyung PARK ,  Hyun KIM ,  Do Yeong PARK ,  Jeong Su PARK ,  Myeong Hun SONG ,  Jeong Kook WANG ,  Jong Chan LEE

IPC: H01L27/32

Abstract: A display device includes a first electrode and a second electrode extending in a first direction and spaced apart from each other in a second direction, a first insulating layer disposed on the first electrode and the second electrode, a bank layer disposed on the first insulating layer and comprising an outer bank part extending in the first direction and the second direction and inner bank parts extending in the first direction in an area surrounded by the outer bank part, a second insulating layer disposed on the inner bank parts and the first insulating layer, and light emitting elements disposed on the second insulating layer between the inner bank parts, wherein each of the inner bank parts is connected to a part of the outer bank part extending in the second direction.

公开(公告)号：US20210165460A1

公开(公告)日：2021-06-03

申请号：US17173879

申请日：2021-02-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun KIM ,  Minsoo KIM

IPC: G06F1/16 ,  G09F9/30 ,  H01L51/00

Abstract: In a flexible display device including a non-bending area and a bending area, the flexible display device may include a circuit structure, a display structure on the circuit structure, and an organic layer under or over the circuit structure, the organic layer including a groove corresponding to the bending area.