公开(公告)号：US20210359167A1

公开(公告)日：2021-11-18

申请号：US17156253

申请日：2021-01-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Wook LEE ,  Ki Bum KIM ,  Jin Taek KIM ,  Seung Min LEE ,  Kwang Taek HONG ,  Jung Eun HONG

IPC: H01L33/38 ,  H01L27/15

Abstract: A pixel includes a first electrode; a second electrode surrounding at least a portion of the first electrode; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode electrically connecting the first electrode and the plurality of light emitting elements; a second contact electrode on the second electrode, the second contact electrode electrically connecting the second electrode and the plurality of light emitting elements; and an intermediate electrode on the first electrode and the second electrode, the intermediate electrode comprising a first area overlapping the first electrode and a second area overlapping the second electrode, the first area and the second area being integrally connected to each other.

公开(公告)号：US20210111303A1

公开(公告)日：2021-04-15

申请号：US16937255

申请日：2020-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Jin LEE ,  Jin Yeong KIM ,  Jin Taek KIM ,  Mi Jin PARK ,  Sang Ho PARK ,  Tae Hoon YANG

IPC: H01L33/00 ,  H01L25/075 ,  H01L33/40 ,  H01L33/42

Abstract: A method of manufacturing a display device includes: forming a first electrode on a substrate; forming an insulating layer on the substrate and on the first electrode;
providing light emitting elements in the insulating layer, each of the light emitting elements having a long axis and a short axis crossing the long axis and being configured to emit light; aligning the light emitting elements such that one end of each of the light emitting elements faces the substrate and the long axis of each of the light emitting elements is arranged in a direction from the substrate toward the insulating layer; patterning the insulating layer to form an insulating pattern exposing another end of each of the light emitting elements; and forming a second electrode electrically connected to the exposed other end of each of the light emitting elements.

公开(公告)号：US20250160129A1

公开(公告)日：2025-05-15

申请号：US18824910

申请日：2024-09-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Taek KIM ,  Suk Hoon KU ,  Yong Tae CHO ,  Sang Yeol KIM ,  Jung Tae PARK ,  Chun Gi YOU

IPC: H10K59/122 ,  H10K50/19 ,  H10K102/00

Abstract: A display device is disclosed that includes: pixels each including emission areas and a non-emission area adjacent to the emission areas, and a pixel defining layer overlapping the non-emission area. The pixel defining layer includes trenches enclosing the respective emission areas and spaced apart from each other. A corner of each of the trenches is chamfered.

公开(公告)号：US20240186456A1

公开(公告)日：2024-06-06

申请号：US18440459

申请日：2024-02-13

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Ki Bum KIM ,  Jin Taek KIM ,  Jung Eun HONG

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/62

CPC classification number: H01L33/387 ,  H01L27/156 ,  H01L33/62

Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other in a second direction, light-emitting elements spaced apart from each other in the first direction, a first contact electrode electrically contacting the light-emitting elements, and a second contact electrode electrically contacting the light-emitting elements. The first contact electrode electrically contacts the first electrode through a first contact portion disposed on the first electrode, the second contact electrode electrically contacts the second electrode through a second contact portion disposed on the second electrode, the first contact portion is disposed on an end portion in the first direction of the first contact electrode, and the second contact portion is disposed on an end portion in the first direction of the second contact electrode.

公开(公告)号：US20240113085A1

公开(公告)日：2024-04-04

申请号：US18475956

申请日：2023-09-27

Applicant: Samsung Display Co., LTD.

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

IPC: H01L25/075 ,  H01L25/16 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L25/167 ,  H01L33/62 ,  H01L33/58

Abstract: A display device includes electrodes in an emission area of a pixel, and spaced apart from each other, light-emitting elements respectively between the electrodes, connection electrodes above the light-emitting elements, and including a first electrode portion, a second electrode portion, and a connection portion between the first electrode portion and the second electrode portion, and a shielding electrode in a non-emission area of the pixel, and overlapping the connection portion.

公开(公告)号：US20230317883A1

公开(公告)日：2023-10-05

申请号：US18103726

申请日：2023-01-31

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Sok Ho LEE ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/54 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L33/54 ,  H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device comprises a pad electrode disposed on a substrate, a pad electrode upper layer disposed on the pad electrode, a first pad electrode capping layer disposed on the pad electrode upper layer, a second pad electrode capping layer disposed on the first pad electrode capping layer, a protective layer disposed on the second pad electrode capping layer, and a capping layers disposed on the protective layer. The protective layer comprises a polymer resin and scattering particles. The protective layer comprises a first pad opening exposing the second pad electrode capping layer.

公开(公告)号：US20230282796A1

公开(公告)日：2023-09-07

申请号：US18166436

申请日：2023-02-08

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek KIM ,  Sang Ho PARK ,  Hyun KIM ,  Woong Hee JEONG

IPC: H01L33/62 ,  H01L25/075

CPC classification number: H01L33/62 ,  H01L25/0753

Abstract: A pixel includes an emission area and a non-emission area, a first pixel electrode, a first intermediate electrode, a second intermediate electrode, and a second pixel electrode spaced from each other, first light emitting elements including a first end electrically connected to the first pixel electrode and a second end electrically connected to the first intermediate electrode, second light emitting elements including a first end electrically connected to the first intermediate electrode and a second end electrically connected to the second intermediate electrode, and third light emitting elements including a first end electrically connected to the second intermediate electrode and a second end electrically connected to the second pixel electrode. The second intermediate electrode includes a first portion opposing the first intermediate electrode, a second portion between the first pixel electrode and the second pixel electrode, and a diagonal line portion between the first portion and the second portion.

公开(公告)号：US20220223664A1

公开(公告)日：2022-07-14

申请号：US17463975

申请日：2021-09-01

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek KIM ,  Ki Nyeng KANG ,  Ock Soo SON ,  Hee Keun LEE ,  Su Min CHOI ,  Kwang Taek HONG

IPC: H01L27/32

Abstract: A display device includes a substrate including a display area and a non-display area adjacent to the display area, a passivation layer disposed on the substrate, a via layer disposed on the passivation layer, sub-pixels including electrodes disposed on the via layer and light emitting elements disposed on the electrodes in the display area, a first bank disposed on the via layer and surrounding the sub-pixels in the display area, a second bank disposed on the via layer and spaced apart from the first bank in the non-display area, a third bank disposed on the via layer and spaced apart from the second bank in the non-display area, and a first valley disposed between the first bank and the second bank in the non-display area and penetrating the via layer and the passivation layer.

公开(公告)号：US20210376281A1

公开(公告)日：2021-12-02

申请号：US17316505

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Ki Bum KIM ,  Jin Taek KIM ,  Sang Hoon LEE ,  Hyun Wook LEE

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

Abstract: A display device and a method of fabricating a display device are provided, the display device comprising a first substrate, first and second electrodes on the first substrate and spaced apart from each other, a first insulating layer covering portions of the first and second electrodes, light-emitting elements on the first insulating layer, a first contact electrode on the first electrode and in contact with first end portions of the light-emitting elements, a second insulating layer on the light-emitting elements and covering a first end portion of the first contact electrode, and a second contact electrode between the second insulating layer and the second electrode, and in contact with second end portions of the light-emitting elements.

公开(公告)号：US20210367024A1

公开(公告)日：2021-11-25

申请号：US17236995

申请日：2021-04-21

Applicant: Samsung Display Co., Ltd.

Inventor： Ki Bum KIM ,  Kyung Tae CHAE ,  Ki Nyeng KANG ,  Jin Taek KIM ,  Hyun Wook LEE

IPC: H01L27/32

Abstract: A display device including: a substrate; a conductive layer on the substrate and including a first voltage line and a second voltage line extending in a first direction; a first electrode and a second electrode on the conductive layer, extending in the first direction, and spaced apart from each other; a plurality of light-emitting elements on the first electrode and the second electrode; and an electrode pattern on the conductive layer and separated from the first electrode. The electrode pattern overlaps the first voltage line in a thickness direction and directly contacts the first voltage line.