公开(公告)号：US11527522B2

公开(公告)日：2022-12-13

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 ,  H01L27/12

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：US11063030B2

公开(公告)日：2021-07-13

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 ,  H01L27/12

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：US11545476B2

公开(公告)日：2023-01-03

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 ,  H01L27/12

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：US11917878B2

公开(公告)日：2024-02-27

申请号：US18193418

申请日：2023-03-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Youngseok Baek ,  Sangjin Park ,  Chongsup Chang ,  Eui Kang Heo

IPC: H10K59/131 ,  H10K50/86 ,  H10K71/00

CPC classification number: H10K59/131 ,  H10K50/865 ,  H10K71/00

Abstract: A display device includes: a first active pattern on a light blocking pattern; a second active pattern at a same layer as that of the first active pattern; a first insulating pattern on the first active pattern; a second insulating pattern on the first active pattern, the second insulating pattern being spaced from the first insulating pattern, and having a first contact hole exposing the first active pattern; a first gate electrode on the first insulating pattern; a second gate electrode at a same layer as that of the first gate electrode, and overlapping with the second active pattern; a first etch stopper on the second insulating pattern, and having a second contact hole connected to the first contact hole; and a first electrode on the first etch stopper, the first electrode contacting the light blocking pattern and the first active pattern through the first and second contact holes.

公开(公告)号：US11626471B2

公开(公告)日：2023-04-11

申请号：US17307881

申请日：2021-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Youngseok Baek ,  Sangjin Park ,  Chongsup Chang ,  Eui Kang Heo

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

Abstract: A display device includes: a first active pattern on a light blocking pattern; a second active pattern at a same layer as that of the first active pattern; a first insulating pattern on the first active pattern; a second insulating pattern on the first active pattern, the second insulating pattern being spaced from the first insulating pattern, and having a first contact hole exposing the first active pattern; a first gate electrode on the first insulating pattern; a second gate electrode at a same layer as that of the first gate electrode, and overlapping with the second active pattern; a first etch stopper on the second insulating pattern, and having a second contact hole connected to the first contact hole; and a first electrode on the first etch stopper, the first electrode contacting the light blocking pattern and the first active pattern through the first and second contact holes.

公开(公告)号：US11133483B2

公开(公告)日：2021-09-28

申请号：US16590075

申请日：2019-10-01

Applicant: Samsung Display Co., Ltd.

Inventor： Heena Kim ,  Sangjin Park ,  Youngseok Baek ,  Taehyeok Choi ,  Mijung Han

IPC: H01L51/52 ,  H01L27/32

Abstract: An organic light emitting display panel includes an organic light emitting element, an encapsulation layer sealing the organic light emitting element, a power electrode providing a power voltage to the organic light emitting element, and a partial wall preventing an organic material from flowing while the encapsulation layer is formed. The partition wall includes a base dam covering one side of the power electrode, a first dam covering one side of the base dam, a second dam covering the other side of the base dam, a third dam covering one side of the first dam, and a fourth dam covering one side of the second dam.