公开(公告)号：US20230155067A1

公开(公告)日：2023-05-18

申请号：US17920516

申请日：2021-04-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Won Sik OH ,  Won Ho LEE ,  Jong Hyuk KANG ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L33/20 ,  H01L33/62 ,  H01L25/075 ,  H01L33/00

CPC classification number: H01L33/387 ,  H01L33/20 ,  H01L33/62 ,  H01L25/0753 ,  H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: According to an embodiment, a pixel may include a first area and a second area partitioned in a first direction, (1-1)-th and (2-1)-th electrodes disposed in the first area and spaced apart in a second direction different from the first direction, (1-2)-th and (2-2)-th electrodes disposed in the second area and spaced apart in the second direction, light emitting elements disposed between the (1-1)-th and (2-1)-th electrodes and between the (1-2)-th and (2-2)-th electrodes, a contact electrode disposed on the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, an insulating layer disposed between each of the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, and the contact electrode, and including a first opening exposing a portion of the (1-1)-th electrode; and a first intermediate electrode electrically connecting the contact electrode on the (2-1)-th electrode and the contact electrode on the (1-2)-th electrode.

公开(公告)号：US20230078237A1

公开(公告)日：2023-03-16

申请号：US17801428

申请日：2020-04-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ho LEE ,  Hyun Deok IM ,  Hyun Min CHO ,  Jong Hyuk KANG ,  Sung-Chan JO

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/06 ,  H01L33/24 ,  H01L33/44 ,  H01L21/67 ,  G06T7/00

Abstract: An inspection device, and a method of inspecting and a method of repairing a display panel using the inspection device are provided. The method of inspecting the display panel including light emitting elements includes acquiring an image of the display panel, and determining an alignment degree of the light emitting elements in the display panel.

公开(公告)号：US20220415965A1

公开(公告)日：2022-12-29

申请号：US17747602

申请日：2022-05-18

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Deok IM ,  Buem Joon KIM ,  Won Ho LEE ,  Hae Yun CHOI

IPC: H01L27/15 ,  H01L33/38

Abstract: A display device includes: a first sub-pixel having a first emission area and a first sub-area adjacent to each other in a first direction; and a bank extending around a portion of the first emission area and the first sub-area. The bank includes: a first wall extending around the first sub-area; and a second wall adjacent to the first emission area in a second direction crossing the first direction. The second wall and the first wall are spaced apart from each other in the first direction.

公开(公告)号：US20220375990A1

公开(公告)日：2022-11-24

申请号：US17640693

申请日：2020-08-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Hyun Min CHO

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

Abstract: A display device includes a pixel in a display area. The pixel includes: spaced apart first and second electrodes; a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode and having a first etch selectivity; a first insulating pattern on the first insulating layer between the first electrode and the second electrode, and having a second etch selectivity; a light emitting element on the first insulating pattern; a second insulating pattern having the second etch selectivity and being on one area of the light emitting element such that a first end and the second end of the light emitting element are exposed; and third and fourth electrodes configured to electrically connect the first end and the second end of the light emitting element to the first and second electrodes, respectively.

公开(公告)号：US20220344536A1

公开(公告)日：2022-10-27

申请号：US17585864

申请日：2022-01-27

Applicant: Samsung Display Co., LTD.

Inventor： Won Ho LEE ,  Seung A LEE ,  Jin Hyuk JANG ,  Jong Hyuk KANG ,  Hyun Deok IM ,  Sang Ho JEON ,  Eun A CHO ,  Hyun Min CHO

IPC: H01L33/02 ,  H01L25/16

Abstract: A light-emitting element includes a first semiconductor layer doped with an n-type dopant, a second semiconductor layer doped with a p-type dopant, a light emitting layer disposed between the first semiconductor layer and the second semiconductor layer, and an insulating film that surrounds the first semiconductor layer, the second semiconductor layer, and the light emitting layer. A doping concentration of the first semiconductor layer is in a predetermined range. A display device includes the light-emitting element.

公开(公告)号：US20220262867A1

公开(公告)日：2022-08-18

申请号：US17565804

申请日：2021-12-30

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hyun AHN ,  Cheol Ku KANG ,  Ki Hoon PARK ,  Hyun Deok IM

IPC: H01L27/32

Abstract: A display device includes a first electrode and a second electrode spaced apart from each other and disposed on a substrate; a first sub-bank disposed on the first electrode and exposing an end of the first electrode facing the second electrode; a second sub-bank disposed on the second electrode and exposing an end of the second electrode facing the first electrode; a step pattern disposed on the second electrode and overlapping at least the end of the second electrode; and a light-emitting element disposed between the first sub-bank and the second sub-bank.

公开(公告)号：US20220262846A1

公开(公告)日：2022-08-18

申请号：US17454016

申请日：2021-11-08

Applicant: Samsung Display Co., Ltd.

Inventor： Won Ho LEE ,  Jong Hyuk KANG ,  Buem Joon KIM ,  Hyun Deok IM ,  Eun A CHO

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

Abstract: A display device in accordance with some embodiments may include a base layer, a first bank pattern and a second bank pattern on the base layer, and spaced apart from each other in a first direction, a first electrode overlapping the first bank pattern, a second electrode overlapping the second bank pattern, and a light emitting element aligned between the first electrode and the second electrode, wherein a distance between an end of the first electrode and an end of the first bank pattern differs from a distance between an end of the second electrode and an end of the second bank pattern in the first direction.

公开(公告)号：US20220223562A1

公开(公告)日：2022-07-14

申请号：US17545439

申请日：2021-12-08

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hyun AHN ,  Buem Joon KIM ,  Won Ho LEE ,  Hyun Deok IM

IPC: H01L23/00 ,  H01L25/16 ,  B41M5/00

Abstract: An ink leveling device includes a stage on which a target substrate is disposed, base frames disposed at sides of the stage, moving members coupled to the base frames and movable upward and downward, and at least one plate coupled to the moving members and disposed to press the target substrate. Light-emitting element ink is disposed on the target substrate.

公开(公告)号：US20220216179A1

公开(公告)日：2022-07-07

申请号：US17603810

申请日：2020-01-17

Applicant: Samsung Display Co., LTD.

Inventor： Eun A YANG ,  Jong Hyuk KANG ,  Hyun Deok IM ,  Hyun Min CHO

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

Abstract: A display device may include: a substrate including a display area and a non-display area; and at least one pixel disposed in the display area, and including at least one pixel having an emission area formed to emit light. The at least one pixel may include: a plurality of first electrodes disposed on the substrate and arranged in a column direction; second electrodes spaced apart from the first electrodes; a first connection line extending in the column direction, and connecting each of the first electrodes to the first electrodes adjacent thereto; a light emitting element electrically connected to at least one of the first electrodes and at least one of the second electrodes; and an insulating pattern overlapping the first connection line.

公开(公告)号：US20220093828A1

公开(公告)日：2022-03-24

申请号：US17297950

申请日：2019-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Oh KWAG ,  Hyun Deok IM ,  Keun Kyu SONG ,  Sung Chan JO ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L27/15

Abstract: A display device is provided. The display device comprises: a first electrode and a second electrode spaced apart from and arranged to face the first electrode; a first insulating layer arranged to cover at least a partial region of the first and second electrodes; a shielding electrode layer which is arranged on the first insulating layer and which does not overlap at least a portion of the first and second electrodes; and at least one light-emitting element arranged between the first and second electrodes so as to be spaced apart from the shielding electrode layer, wherein the at least one light-emitting element can be arranged in a region in which the shielding electrode layer does not overlap the first and second electrodes.