公开(公告)号：US20210336108A1

公开(公告)日：2021-10-28

申请号：US17196358

申请日：2021-03-09

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Tae Hee LEE ,  Jong Chan LEE ,  Woong Hee JEONG

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/60 ,  H01L23/00

Abstract: A display device includes a first electrode disposed on a substrate, a second electrode disposed on the substrate and spaced apart from the first electrode, at least one light-emitting element extending in a direction, disposed between the first electrode and the second electrode, and electrically connected to the first electrode and the second electrode, and an insulating pattern layer disposed on the first electrode and the second electrode, the insulating pattern layer including a fixer disposed on at least part of the at least one light-emitting element, and a barrier surrounding the at least one light-emitting element.

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：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：US20210384178A1

公开(公告)日：2021-12-09

申请号：US17203496

申请日：2021-03-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Chan LEE ,  Sang Jun PARK ,  Jeong Hyun LEE ,  Woong Hee JEONG ,  Kwang Taek HONG

IPC: H01L25/16 ,  H01L25/075 ,  H01L33/62

Abstract: A display device and a method of fabricating a display device are provided. The display device includes a substrate comprising a contact area and a line area, a first electrode that extends in a first direction on the substrate, a first electrode pattern that extends in the first direction and is spaced apart from the first electrode on the substrate, a second electrode that extends in the first direction and is between the first electrode and the first electrode pattern on the substrate, a second electrode pattern that extends in the first direction and is between the first electrode and the second electrode on the substrate, and a first light-emitting element between the first electrode and the second electrode pattern in the contact area.

公开(公告)号：US20210012708A1

公开(公告)日：2021-01-14

申请号：US16876910

申请日：2020-05-18

Applicant: Samsung Display Co., LTD. ,  Konkuk University Industrial Cooperation Corp

Inventor： Tae Hoon YANG ,  Joon Ho LEE ,  Kee Chan PARK ,  Ki Bum KIM ,  Jong Chan LEE ,  Woong Hee JEONG

IPC: G09G3/3225

Abstract: An emission signal driver comprises stages connected to emission lines. Each of the stages includes a node controller which supplies a start signal or a carry signal, which is input to a start terminal, to a first node in response to a clock signal input to a clock terminal, a first inverter connected between the first node and a second node, and a second inverter connected between the second node and an output terminal.

公开(公告)号：US20190096925A1

公开(公告)日：2019-03-28

申请号：US16036985

申请日：2018-07-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Chan LEE ,  Woong Hee JEONG ,  Tae Hoon YANG ,  Yong Su LEE

IPC: H01L27/12

Abstract: A display device includes a substrate, a buffer layer on the substrate, a first semiconductor layer of a first transistor on the buffer layer, a first insulating layer disposed on the first semiconductor layer, a first gate electrode of the first transistor on the first insulating layer, a second insulating layer on the first gate electrode, and a second semiconductor layer of a second transistor disposed on the second insulating layer. A difference between a first distance between a lower side of the buffer layer and an upper side of the second insulating layer and a second distance between an upper side of the first semiconductor layer and an upper side of the second insulating layer is 420 to 520 angstroms.