公开(公告)号：US20210407970A1

公开(公告)日：2021-12-30

申请号：US17210985

申请日：2021-03-24

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Ki Nyeng KANG ,  Jin Taek KIM ,  Tae Woo KIM ,  Hee Keun LEE ,  Kyung Tae CHAE

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/62

Abstract: A pixel may include a pixel circuit layer including at least one transistor and a first electrode disposed on a substrate, and a first insulating layer disposed on the at least one transistor and the first electrode, and a display element layer disposed on the pixel circuit layer, the display element layer including a second electrode electrically connected to the at least one transistor, and a plurality of light emitting elements electrically connected to each of the first and second electrodes. The first electrode and the second electrode may be disposed on different layers and may be spaced apart from each other. The plurality of light emitting elements may overlap the first and second electrodes in a plan view and a cross-sectional view.

公开(公告)号：US20210376210A1

公开(公告)日：2021-12-02

申请号：US17222434

申请日：2021-04-05

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Ki Nyeng KANG ,  Ki Bum KIM ,  Jin Taek KIM ,  Kyung Tae CHAE

IPC: H01L33/62 ,  H01L25/16 ,  H01L33/54

Abstract: A pixel includes a first insulating film disposed on a substrate, a light emitting element disposed on the first insulating film, a second insulating film disposed on the light emitting element to cover at least a portion of the light emitting element, a first contact electrode and a second contact electrode, each of the first and second contact electrodes including at least a portion disposed on the first insulating film and connected to the light emitting element, and an encapsulation layer including a photosensitive material.

公开(公告)号：US20240213234A1

公开(公告)日：2024-06-27

申请号：US18505682

申请日：2023-11-09

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek KIM ,  Hyun Wook LEE

IPC: H01L25/16 ,  H01L25/075 ,  H01L33/42 ,  H01L33/62

CPC classification number: H01L25/167 ,  H01L25/0753 ,  H01L33/42 ,  H01L33/62

Abstract: A display device may include: a pixel circuit layer including a first transistor and a first auxiliary layer; and a display element layer on the pixel circuit layer, and including at least one light emitting element. The display element layer may include: a first pixel electrode electrically connected to a first end of the light emitting element; and a second pixel electrode electrically connected to a second end of the light emitting element. The first transistor may include: a semiconductor pattern; a first gate insulating layer on the semiconductor pattern; a gate electrode on the first gate insulating layer; and a first transistor electrode and a second transistor electrode connected to the semiconductor pattern. The first transistor electrode may be connected to the second pixel electrode by the first auxiliary layer. The first auxiliary layer may be between the first and second pixel electrodes.

公开(公告)号：US20240136488A1

公开(公告)日：2024-04-25

申请号：US18488705

申请日：2023-10-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Taek KIM ,  Veidhes BASRUR ,  Ki Nyeng KANG ,  Ock Soo SON ,  Yong Tae CHO ,  Jong Hwan CHA

IPC: H01L33/62 ,  H01L25/16

CPC classification number: H01L33/62 ,  H01L25/167

Abstract: A pixel may include: an emission area and a non-emission area; a first bank in the non-emission area, the first bank including an opening corresponding to the emission area; a first electrode, a second electrode, and an intermediate electrode that are spaced from each other; light emitting elements in the emission area, each of the light emitting elements including one end portion electrically connected to one of the first electrode, the second electrode, or the intermediate electrode and an other end portion electrically connected to another one of the first electrode, the second electrode, or the intermediate electrode; and a sub-bank located in the opening of the first bank, the sub-bank being spaced from the first bank. The intermediate electrode may be around at least a portion of the sub-bank.

公开(公告)号：US20240096903A1

公开(公告)日：2024-03-21

申请号：US18317327

申请日：2023-05-15

Applicant: Samsung Display Co., LTD.

Inventor： Veidhes BASRUR ,  Jin Taek KIM ,  Ki Nyeng KANG ,  Yong Tae CHO

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

CPC classification number: H01L27/124 ,  H01L24/05 ,  H01L24/29 ,  H01L24/32 ,  H01L25/167 ,  H01L27/1288 ,  H01L2224/05573 ,  H01L2224/29028 ,  H01L2224/32225

Abstract: A display device includes electrodes spaced apart from each other in a display area, an insulating layer disposed on the electrodes, light emitting elements disposed between the electrodes on the insulating layer, a signal line electrically connected to the light emitting elements, and a pad electrode electrically connected to the signal line, the pad electrode and the electrodes being disposed on a same layer in a non-display area. The insulating layer includes an opening exposing the pad electrode, and the signal line does not overlap the opening of the insulating layer in plan view.

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：US20230231096A1

公开(公告)日：2023-07-20

申请号：US18092509

申请日：2023-01-03

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hwan CHA ,  Ki Nyeng KANG ,  Jin Taek KIM ,  Hong Joon MOON

IPC: H01L33/62 ,  H01L25/16 ,  H01L27/12

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L27/124

Abstract: A display device comprises electrode patterns spaced apart from each other in a first direction; a via layer disposed on the electrode patterns; first electrodes, each of the first electrodes partially overlapping an electrode pattern of the electrode patterns on the via layer in a plan view and extending in a second direction intersecting the first direction; second electrodes, each of the second electrodes comprising a portion extending in the second direction, the first electrodes and the second electrodes being spaced apart from each other and alternately disposed with each other; and light emitting elements disposed on a first electrode of the first electrodes and a second electrode of the second electrodes. The first electrodes are in contact with the electrode patterns through first electrode contact holes penetrating the via layer, and the first electrode contact holes are spaced apart from each other in the first direction.

公开(公告)号：US20230187584A1

公开(公告)日：2023-06-15

申请号：US17998352

申请日：2020-07-28

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek KIM ,  Seung Min LEE ,  Jung Hwan YI ,  Hee Keun LEE ,  Bek Hyun LIM ,  Kyung Tae CHAE

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

CPC classification number: H01L33/387 ,  H01L33/62 ,  H01L25/0753

Abstract: Provided is a display device. The display device comprises: a first substrate; a first electrode and a second electrode arranged spaced apart from each other on the first substrate; a plurality of light-emitting diodes arranged on the first electrode and the second electrode; a plurality of contact electrodes arranged on the first electrode or the second electrode and being in contact with the light-emitting diodes, wherein the contact electrodes comprise a first contact electrode arranged on the first electrode, a second contact electrode arranged on the second electrode, a third contact electrode facing the first contact electrode in a second direction, and a fourth contact electrode facing the second contact electrode in the second direction, and include an electrode connection unit connected to the third contact electrode and the fourth contact electrode and arranged to surround the second contact electrode.