公开(公告)号：US20200161286A1

公开(公告)日：2020-05-21

申请号：US16673953

申请日：2019-11-04

Applicant: Samsung Display Co., Ltd.

Inventor： Sangjin PARK ,  Heena KIM ,  Youngseok BAEK ,  Donghyun YANG

IPC: H01L25/16

Abstract: A display device includes a plurality of scan lines and a plurality of data lines; and a plurality of pixels connected with the scan lines and the data lines, wherein at least one pixel of the plurality of pixels includes a pixel circuit having at least one transistor, an insulating layer covering the pixel circuit, a first electrode disposed on the insulating layer and electrically connected to the pixel circuit, a second electrode disposed on the insulating layer and spaced apart from the first electrode, and a light-emitting element electrically connected to the first electrode and the second electrode. The first electrode includes a first region having at least one first resistance and a plurality of second regions having a second resistance higher than the first resistance, the second electrode includes a third region having at least one third resistance and a plurality of fourth regions having a fourth resistance higher than the third resistance, and the light-emitting element is electrically connected to the first electrode at one of the first regions and the second electrode at one of the third regions.

公开(公告)号：US20210313307A1

公开(公告)日：2021-10-07

申请号：US17349433

申请日：2021-06-16

Applicant: Samsung Display Co., Ltd.

Inventor： Sangjin PARK ,  Heena KIM ,  Youngseok BAEK ,  Donghyun YANG

IPC: H01L25/16

Abstract: A method of fabricating a display device includes forming a circuit layer on a base layer, forming a first preliminary electrode and a second preliminary electrode on the circuit layer, forming a photoresist layer on the first preliminary electrode and the second preliminary electrode, patterning the photoresist layer to form a photoresist pattern, treating a region of each of the first preliminary electrode and the second preliminary electrode to form a first electrode and a second electrode having regions of lower and higher electrical resistance, and disposing a light-emitting element on the first electrode and the second electrode at regions having lower electrical resistance.

公开(公告)号：US20210335768A1

公开(公告)日：2021-10-28

申请号：US17370523

申请日：2021-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sangjin PARK ,  Heena KIM ,  Youngseok BAEK ,  Donghyun YANG

IPC: H01L25/16

Abstract: A method of fabricating a display device includes forming a circuit layer on a base layer, forming a first preliminary electrode and a second preliminary electrode on the circuit layer, forming a photoresist layer on the first preliminary electrode and the second preliminary electrode, patterning the photoresist layer to form a photoresist pattern, treating a region of each of the first preliminary electrode and the second preliminary electrode to form a first electrode and a second electrode having regions of lower and higher electrical resistance, and disposing a light-emitting element on the first electrode and the second electrode at regions having lower electrical resistance.

公开(公告)号：US20210151718A1

公开(公告)日：2021-05-20

申请号：US17129580

申请日：2020-12-21

Applicant: Samsung Display Co., Ltd.

Inventor： Mijung HAN ,  Heena KIM ,  Sangjin PARK

IPC: H01L51/56 ,  H01L27/32

Abstract: A manufacturing method of a display apparatus, in which a defect rate in a manufacturing process is reduced and product reliability is increased, and a display apparatus manufactured according to the method are provided. The manufacturing method includes: forming a first pixel electrode on a substrate; forming an insulating layer; forming a first dam portion; forming a first lift-off layer; forming a first mask layer; forming a first intermediate layer; forming a first opposite electrode; forming a first insulating protective layer; and removing the first dam portion.

公开(公告)号：US20200052249A1

公开(公告)日：2020-02-13

申请号：US16437792

申请日：2019-06-11

Applicant: Samsung Display Co., Ltd.

Inventor： Mijung HAN ,  Heena KIM ,  Sangjin PARK

IPC: H01L51/56 ,  H01L27/32

Abstract: A manufacturing method of a display apparatus, in which a defect rate in a manufacturing process is reduced and product reliability is increased, and a display apparatus manufactured according to the method are provided. The manufacturing method includes: forming a first pixel electrode on a substrate; forming an insulating layer; forming a first dam portion; forming a first lift-off layer; forming a first mask layer; forming a first intermediate layer; forming a first opposite electrode; forming a first insulating protective layer; and removing the first dam portion.

公开(公告)号：US20190171318A1

公开(公告)日：2019-06-06

申请号：US16183157

申请日：2018-11-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yonghwan RYU ,  Youngdae KIM ,  Heena KIM ,  Sangjin PARK ,  Taehyeok CHOI ,  Euikang HEO

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes an encapsulation layer, a display device, a touch layer, and an organic insulating layer. The encapsulation layer is on and covers the display device. The touch layer is above the encapsulation layer and includes a plurality of sensing electrodes, each of which includes a conductive layer having a first metal layer, a second metal layer above the first metal layer, and a third metal layer between the first metal layer and the second metal layer and exposed side surfaces. The organic insulating layer is above and covers the touch layer and is spaced apart from the side surfaces of the third metal layer.

公开(公告)号：US20190027686A1

公开(公告)日：2019-01-24

申请号：US15864472

申请日：2018-01-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Youngdae KIM ,  Sangjin PARK ,  Minjae JEONG

IPC: H01L51/00 ,  H01L51/56 ,  G03F7/039 ,  G03F7/038 ,  G03F7/213 ,  G03F7/26 ,  G03F7/09 ,  G03F7/095 ,  G03F7/20

CPC classification number: H01L51/0011 ,  C23C14/042 ,  G03F7/038 ,  G03F7/039 ,  G03F7/094 ,  G03F7/095 ,  G03F7/0957 ,  G03F7/12 ,  G03F7/2022 ,  G03F7/213 ,  G03F7/26 ,  H01L51/56

Abstract: A method of manufacturing a mask includes attaching a first mask base substrate and a second mask base substrate to opposite sides of an adhesive layer, forming a photoresist layer on the first and second mask base substrates, exposing and developing the photoresist layer to remove the photoresist layer on effective area at centers of surfaces of the first and second mask base substrates such that the first photoresist layer remains on non-effective areas at edges of surfaces of the first mask base substrate and the second mask base substrate, etching the effective area to form a stepped groove on the first and second mask base substrates, separating the first and second mask base substrates from the adhesive layer, and forming a pattern hole in the effective area of first and second mask base substrates, each with the first stepped groove thereon.