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：US20220352242A1

公开(公告)日：2022-11-03

申请号：US17568299

申请日：2022-01-04

Applicant: Samsung Display Co., LTD.

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

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

Abstract: A display device includes a first electrode and a second electrode spaced apart from and parallel to each other and disposed on a substrate, each of the first electrode and the second electrode extends in a direction, a first insulating layer disposed on the first electrode and the second electrode, a light-emitting element disposed on the first insulating layer and having opposing ends respectively disposed on the first electrode and the second electrode, a first connection electrode electrically contacting an end of the light-emitting element, a second connection electrode electrically contacting an opposite end of the light-emitting element, and insulating patterns respectively disposed on and contacting the first connection electrode and the second connection electrode, the insulating patterns are spaced apart from the light-emitting element and the first insulating layer.

公开(公告)号：US20220165911A1

公开(公告)日：2022-05-26

申请号：US17519248

申请日：2021-11-04

Applicant: Samsung Display Co., LTD.

Inventor： Cheol Ku KANG ,  Buem Joon KIM ,  Won Kyu KIM

IPC: H01L33/00 ,  H01L21/68

Abstract: An apparatus for manufacturing a display device, comprising a stage, a first electric-field-applying module on a first side of the stage, and including first probe pins, a first light-irradiating module above the stage, and configured to irradiate light to the stage, a first light emission driver configured to transmit a first emission driving signal to the first light-irradiating module, and a signal output unit configured to output a first emission timing signal for setting light irradiation timing of the first light-irradiating module to the first light emission driver, to output a first alignment signal to any one of the first probe pins, and to output a second alignment signal to another one of the first probe pins, wherein the first emission timing signal and the second alignment signal are alternating current (AC) signals, and wherein periods of the first emission timing signal and the second alignment signal are the same.

公开(公告)号：US20220328726A1

公开(公告)日：2022-10-13

申请号：US17699426

申请日：2022-03-21

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Cheol Ku KANG ,  Hyun KIM ,  Jeong Su PARK ,  Myeong Hun SONG ,  Hyun Wook LEE

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/00

Abstract: A manufacturing method of a display device and a display device are provided. A manufacturing method of a display device includes: preparing a substrate including a light emitting area and a non-light emitting area; arranging a first electrode, a second electrode, a first uncut electrode, and a second uncut electrode on the substrate; forming a bank in the non-light emitting area of the substrate; arranging a light emitting element in the light emitting area of the substrate; removing at least a portion of each of the first uncut electrode and the second uncut electrode; arranging a first contact electrode electrically connecting the light emitting element and the first electrode; and arranging a second contact electrode electrically connecting the light emitting element and the second electrode, and the at least the portion of each of the first uncut electrode and the second uncut electrode is removed within an open area.

公开(公告)号：US20220302354A1

公开(公告)日：2022-09-22

申请号：US17454431

申请日：2021-11-10

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Lim KIM ,  Cheol Ku KANG ,  Jeong Nyun KIM ,  Jung Gun NAM

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

Abstract: A display device includes a first electrode, a second electrode, and a third electrode extending in one direction on a substrate and being spaced from one another, a first light-emitting element between the first electrode and the second electrode, and a second light-emitting element between the second electrode and the third electrode, a first connection electrode on the first electrode and in contact with a first end of the first light-emitting element, a second connection electrode on one side of the second electrode and in contact with a first end of the second light-emitting element, a third connection electrode on an opposite side of the second electrode and in contact with a second end of the first light-emitting element, and a fourth connection electrode on the third electrode and in contact with a second end of the second light-emitting element.