公开(公告)号：US20210265324A1

公开(公告)日：2021-08-26

申请号：US17261414

申请日：2019-01-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin KONG ,  Hee Keun LEE ,  Xinxing LI ,  Hyun Min CHO ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Veidhes BASRUR ,  Chang Il TAE

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/24 ,  H01L33/62

Abstract: A light emitting device may include: a substrate including emission areas; a first electrode disposed on the substrate; a second electrode disposed on the substrate and spaced apart from the first electrode; light emitting elements disposed on the substrate, each of the light emitting elements including a first end and a second end in a longitudinal direction of the light emitting elements; a bank disposed in each of the emission areas and including openings in which portions of each of the unit emission areas are exposed; a first contact electrode that electrically connects the first electrode with the first end of each of the light emitting elements; and a second contact electrode that electrically connects the second electrode with the second end of each of the light emitting elements. At least one of the light emitting elements may be disposed in each of the openings.

公开(公告)号：US20240234663A9

公开(公告)日：2024-07-11

申请号：US18488705

申请日：2023-10-17

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：US20240088340A1

公开(公告)日：2024-03-14

申请号：US18457840

申请日：2023-08-29

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L33/38 ,  H01L33/40

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/1218 ,  H01L27/1262 ,  H01L33/38 ,  H01L33/40 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a substrate including a display area and a pad area, a circuit element layer on the substrate, and an alignment electrode layer on the circuit element layer, wherein the circuit element layer includes a thin film transistor in the display area, and a pad electrode in the pad area, the alignment electrode layer includes a first alignment electrode and a second alignment electrode spaced from each other in the display area, and a pad upper electrode includes a first opening exposing the pad electrode in the pad area, and a light emitting element is on a space between the first alignment electrode and the second alignment electrode that are spaced from each other.

公开(公告)号：US20230290790A1

公开(公告)日：2023-09-14

申请号：US17945186

申请日：2022-09-15

Applicant: Samsung Display Co., LTD.

Inventor： Veidhes BASRUR ,  Ock Soo SON ,  Ki Nyeng KANG ,  Jong Hwan CHA

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

CPC classification number: H01L27/1248 ,  H01L25/167 ,  H01L33/38 ,  H01L27/1288 ,  G09G3/32

Abstract: A display device includes pixels. Each of the pixels includes electrodes disposed on a base layer; a first insulating layer disposed on the electrodes; a light emitting element disposed on the first insulating layer; a bank disposed on the first insulating layer and protruding in a thickness direction of the base layer; and a second insulating layer, at least a portion of the second insulating layer being disposed on the first insulating layer. At least part of the electrodes of a pixel among the pixels are spaced apart from at least part of the electrodes of another pixel adjacent to the pixel with an open area being disposed between the electrodes. The first insulating layer includes a first opening overlapping the open area in a plan view, and the second insulating layer includes a second opening overlapping the open area in a plan view.

公开(公告)号：US20230145007A1

公开(公告)日：2023-05-11

申请号：US17979888

申请日：2022-11-03

Applicant: Samsung Display Co., LTD.

Inventor： Veidhes BASRUR ,  Hyun Wook LEE ,  Hee Keun LEE

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

CPC classification number: H01L33/382 ,  H01L33/387 ,  H01L33/62 ,  H01L25/0753

Abstract: A display device includes first electrodes comprising a first sub-electrode and a second sub-electrode, a first insulating layer comprising openings partially exposing upper surfaces of the first electrodes, second electrodes disposed on the first insulating layer and overlapping the first electrodes in a plan view, light emitting elements disposed on the first electrodes and comprising first light emitting elements and second light emitting elements, first connection electrodes to contact first ends of the light emitting elements and the first electrodes, a second insulating layer to surround the light emitting elements, and second connection electrodes. The first connection electrodes include a first electrode part and a second electrode part. The second connection electrodes include a third electrode part and a fourth electrode part.

公开(公告)号：US20220115470A1

公开(公告)日：2022-04-14

申请号：US17277832

申请日：2019-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun KIM ,  Veidhes BASRUR ,  Xinxing LI ,  Tae Jin KONG ,  Hee Keun LEE ,  Hyun Min CHO ,  Keun Kyu SONG ,  Jin Oh KWAG

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display device may include: a base layer including a display area and a non-display area; and a plurality of pixels provided on the display area, and each including a plurality of sub-pixels. Each of the sub-pixels may include a pixel circuit layer, and a display element layer including an emission area formed to emit light, and a non-emission area provided around a perimeter of the emission area. The display element layer may include: a partition wall provided on the emission area of each of the sub-pixels; a bank provided on the non-emission area of each sub-pixel, and disposed on a surface equal to a surface on which the partition wall is disposed; a first electrode and a second electrode provided on the partition wall and spaced apart from each other; and at least one light emitting element provided between the first and second electrodes in the emission area of each sub-pixel, and configured to emit the light.

公开(公告)号：US20220059739A1

公开(公告)日：2022-02-24

申请号：US17415893

申请日：2019-06-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing LI ,  Bek Hyun LIM ,  Veidhes BASRUR ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Je Won YOO

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

Abstract: A display device may include a pixel disposed in a display area. The pixel may include first and second electrodes; a light emitting element disposed between the first and second electrodes; a first insulating pattern disposed on the light emitting element such that first and second ends of the light emitting element are exposed; a second insulating pattern disposed on the first insulating pattern such that ends of the first insulating pattern are exposed; a third insulating pattern disposed on the second insulating pattern and overlapping ends of the second insulating pattern; a first contact electrode disposed on the first end of the light emitting element, and electrically connecting the first end of the light emitting element to the first electrode; and a second contact electrode disposed on the second end of the light emitting element and electrically connecting the second end to the second electrode.

公开(公告)号：US20210202451A1

公开(公告)日：2021-07-01

申请号：US17269737

申请日：2019-02-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin KONG ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Veidhes BASRUR ,  Je Won YOO ,  Xinxing LI ,  Hee Keun LEE ,  Bek Hyun LIM ,  Hyun Min CHO ,  Chang Il TAE

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  B82B3/00

Abstract: A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.