公开(公告)号：US20210159250A1

公开(公告)日：2021-05-27

申请号：US17020579

申请日：2020-09-14

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Sup CHANG ,  Eui Kang HEO ,  Young Seok BAEK ,  Ha Na SEO

IPC: H01L27/12

Abstract: A display includes a substrate, a first electrode base layer and a second electrode base layer spaced from each other on the substrate, a first electrode on the first electrode base layer and a second electrode on the second electrode base layer, a first inner bank between the first electrode base layer and the first electrode and a second inner bank between the second electrode base layer and the second electrode, and a light emitting element between the first electrode and the second electrode, at least one end portion of the light emitting element being electrically connected to the first electrode or the second electrode, wherein a side surface of one end portion of each of the first and second electrode base layers is at the same line as a side surface of an end portion of a corresponding one of the first and second electrodes.

公开(公告)号：US20230187583A1

公开(公告)日：2023-06-15

申请号：US17968657

申请日：2022-10-18

Applicant: Samsung Display Co., LTD.

Inventor： Young Seok BAEK ,  Ha Na SEO ,  Chong Sup CHANG ,  Eui Kang HEO

IPC: H01L33/38 ,  H01L33/50 ,  H01L33/62 ,  H01L33/00 ,  H01L27/15

CPC classification number: H01L33/387 ,  H01L33/505 ,  H01L33/62 ,  H01L33/005 ,  H01L27/156 ,  H01L2933/0016 ,  H01L2933/0041 ,  H01L2933/0066

Abstract: A pixel includes: an emission area and a non-emission area; a via layer including a lower surface and an upper surface, the via layer including a first part having a first thickness, and a second part having a second thickness; a first alignment electrode and a second alignment electrode on the via layer and spaced from each other; an insulating layer on the via layer, the first alignment electrode, and the second alignment electrode, the insulating layer having a planar surface; a first electrode and a second electrode in the emission area and spaced from each other; and light emitting elements on the planer surface of the insulating layer in the emission area, and electrically connected to the first electrode and the second electrode. The first and second alignment electrodes may be on the second part of the via layer and overlap the second part of the via layer.

公开(公告)号：US20200212139A1

公开(公告)日：2020-07-02

申请号：US16708950

申请日：2019-12-10

Applicant: Samsung Display Co., Ltd.

Inventor： Young Seok BAEK ,  Heena KIM ,  Sang Jin PARK ,  Taehyeok CHOI ,  Mijung HAN

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

Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.

公开(公告)号：US20240121992A1

公开(公告)日：2024-04-11

申请号：US18361447

申请日：2023-07-28

Applicant: Samsung Display Co., LTD.

Inventor： In Kyung YOO ,  Cha Dong KIM ,  Young Seok BAEK

IPC: H10K59/122 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/873

Abstract: A display device includes: a display area and a non-display area; anode electrodes in the display area; an inorganic insulating layer on the anode electrodes; a bank structure on the inorganic insulating layer, and including openings overlapping with the anode electrodes; light emitting layers on the anode electrodes and in the openings; cathode electrodes on the light emitting layers and in the openings; a first power line in the non-display area; and a power connection electrode including through portions partially overlapping with the first power line, and between the first power line and the display area. The bank structure includes: hole patterns on the power connection electrode in the non-display area, and overlapping with the through portions; a first bank layer; and a second bank layer on the first bank layer. The second bank layer includes a tip protruding from a sidewall of the first bank layer.

公开(公告)号：US20230061844A1

公开(公告)日：2023-03-02

申请号：US17707294

申请日：2022-03-29

Applicant: Samsung Display Co., LTD.

Inventor： Chong Sup CHANG ,  Young Seok BAEK ,  Ha Na SEO ,  Eui Kang HEO

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

Abstract: A display device includes a display area and a pad area, a first electrode and a second electrode disposed on a substrate in the display area, the first electrode and the second electrode being spaced apart from each other, a transistor disposed on the substrate in the display area, the transistor being electrically connected to the first electrode, and including a first transistor electrode and a second transistor electrode; a light emitting element disposed on the first electrode and the second electrode; and a pad structure disposed on the substrate in the pad area, the pad structure including a first pad pattern and a second pad pattern which is disposed on the first pad pattern and is electrically connected to the first pad pattern.

公开(公告)号：US20210296407A1

公开(公告)日：2021-09-23

申请号：US17337818

申请日：2021-06-03

Applicant: Samsung Display Co., Ltd.

Inventor： Heena KIM ,  Myounggeun CHA ,  Sang Jin PARK ,  Young Seok BAEK

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light emitting diode display device includes a substrate, a buffer layer, a first circuit structure, a sub-pixel structure, and a first signal wire. The substrate includes a display region including a plurality of sub-pixel regions and a peripheral region surrounding the display region. The buffer layer is disposed in the display region and peripheral region on the substrate. The first circuit structure is disposed in the peripheral region on the buffer layer. The sub-pixel structure is disposed in each of the sub-pixel regions on the first circuit structure. The first signal wire is disposed in the peripheral region between the substrate and the buffer layer, and overlaps the first circuit structure when viewed from a plan view in a thickness direction of the substrate.

公开(公告)号：US20210226166A1

公开(公告)日：2021-07-22

申请号：US17078015

申请日：2020-10-22

Applicant: Samsung Display Co., Ltd.

Inventor： Young Seok BAEK ,  Chong Sup CHANG ,  Hana SEO ,  Eui Kang HEO

IPC: H01L51/52 ,  H01L51/56

Abstract: A method of manufacturing a display device may include sequentially forming a first conductive layer, a second conductive layer including copper (Cu), a third conductive layer, and a fourth conductive layer on a substrate, patterning the first conductive layer, the second conductive layer, the third conductive layer, and the fourth conductive layer together to form a conductive pattern including a first layer, a second layer, a third layer, and a fourth layer sequentially on the substrate, removing the fourth layer of the conductive pattern, forming a protective layer covering at least a sidewall of the conductive layer on the substrate, and forming a display element on the protective layer.

公开(公告)号：US20250008816A1

公开(公告)日：2025-01-02

申请号：US18618004

申请日：2024-03-27

Applicant: Samsung Display Co., LTD.

Inventor： Young Seok BAEK ,  In Kyung YOO ,  Sang Jin PARK

IPC: H10K59/80 ,  H10K59/122

Abstract: A display device includes: a substrate including a display area and a non-display area surrounding a through-hole; a bank structure positioned on the display area of the substrate, and defining an opening; a light emitting element overlapping the opening; and a pattern structure positioned on the non-display area and between the bank structure and the through-hole. The pattern structure includes a first pattern dam and a second pattern dam spaced apart from each other with a recess portion defined therebetween, the recess portion being recessed toward the substrate, the first pattern dam includes a first pattern layer and a second pattern layer, which include their respective conductive materials different from each other, and a side of the second pattern layer, which is directed toward the recess portion, is more protruded toward the recess portion than a side of the first pattern layer, which is directed toward the recess portion.

公开(公告)号：US20240284716A1

公开(公告)日：2024-08-22

申请号：US18498232

申请日：2023-10-31

Applicant: Samsung Display Co., LTD.

Inventor： In Kyung YOO ,  Tae Wook KANG ,  Ji Min PARK ,  Young Seok BAEK

IPC: H10K59/122 ,  H10K59/131 ,  H10K59/40

CPC classification number: H10K59/122 ,  H10K59/131 ,  H10K59/40

Abstract: A display device includes anode electrodes in a display area, an inorganic insulating layer in the display area and partially on the anode electrode, a bank structure on the inorganic insulating layer, with openings overlapping the anode electrodes, light emitting layers on the anode electrodes and in the openings, cathode electrodes on the light emitting layers and in the openings, a first power line in a non-display area, and a conductive layer including an oxide semiconductor. A portion of the conductive layer in the non-display area is between the first power line and the display area. The bank structure is on the conductive layer in the non-display area with hole patterns defined further through the conductive layer, the bank structure includes first and second bank layers including different metal materials, respectively, and a portion of the first bank layer is directly on the conductive layer in the non-display area.

公开(公告)号：US20230122457A1

公开(公告)日：2023-04-20

申请号：US17832079

申请日：2022-06-03

Applicant: Samsung Display Co., LTD.

Inventor： Eui Kang HEO ,  Young Seok BAEK ,  Ha Na SEO ,  Chong Sup CHANG

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

Abstract: A display device may include a conductive pattern disposed on a substrate. A passivation layer may be disposed on the conductive pattern. A first shielding electrode and a second shielding electrode that may be disposed on the passivation layer may be spaced apart from each other. A first electrode may be disposed on the first shielding electrode. A second electrode may be disposed on the second shielding electrode. A light emitting element may be electrically connected between the first electrode and the second electrode. A first distance between the first shielding electrode and the second shielding electrode may be less than a second distance between the first electrode and the second electrode.