公开(公告)号：US20250040306A1

公开(公告)日：2025-01-30

申请号：US18616957

申请日：2024-03-26

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN

IPC: H01L33/38 ,  H01L25/16 ,  H01L33/42 ,  H01L33/44

Abstract: A display device includes a substrate having a pixel electrode, a light emitting element disposed on the pixel electrode and including a first semiconductor layer, an active layer, and a second semiconductor layer, a step coverage prevention layer surrounding the light emitting element in a plan view, a common electrode disposed on the light emitting element and the step coverage prevention layer, and an oxidation prevention layer disposed on a portion of the common electrode that does not overlap the light emitting element in a thickness direction. The common electrode includes a first portion disposed on the light emitting element and a second portion disposed between the oxidation prevention layer and the step coverage prevention layer, and a material forming the first portion is an oxide of a material forming the second portion.

公开(公告)号：US20250028416A1

公开(公告)日：2025-01-23

申请号：US18437624

申请日：2024-02-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Eok SHIN

IPC: G06F3/044 ,  G06F3/041

Abstract: A display device includes an optical sensor, a display panel disposed on the optical sensor, and a touch sensing panel disposed on the display panel. The touch sensing panel includes a first sensing area corresponding to an area in which the optical sensor is disposed, and a second sensing area distinct from the first sensing area. The touch sensing panel further includes first conductive patterns extending in a first direction, and second conductive patterns extending in a second direction intersecting with the first direction. First opening areas are provided by the first conductive patterns and the second conductive patterns disposed in the first sensing area. Second opening areas are provided by the first conductive patterns and the second conductive patterns disposed in the second sensing area. A surface area of each of the first opening areas is greater than a surface area of each of the second opening areas.

公开(公告)号：US20250017045A1

公开(公告)日：2025-01-09

申请号：US18432328

申请日：2024-02-05

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN

IPC: H10K59/122 ,  H10K59/12

Abstract: A display device may include a pixel circuit layer, a partition wall above the pixel circuit layer, a protrusion part spaced apart from the partition wall in a planar direction, and defining an opening, a planarization layer in the opening, a first electrode having at least a portion above the planarization layer, a light-emitting part having at least a portion above the first electrode, and a second electrode having at least a portion above the light-emitting part.

公开(公告)号：US20240313163A1

公开(公告)日：2024-09-19

申请号：US18600531

申请日：2024-03-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Do Keun SONG ,  Su Kyoung YANG

IPC: H01L33/38 ,  H01L33/40 ,  H01L33/50

CPC classification number: H01L33/38 ,  H01L33/405 ,  H01L33/50 ,  H01L2933/0016 ,  H01L2933/0025 ,  H01L2933/0041 ,  H01L2933/0083

Abstract: A display device includes: a substrate having an emission area and a non-emission area; an insulating layer covering a circuit element on the substrate, the insulating layer including a contact part exposing a portion of the circuit element; a conductive pattern on the insulating layer and electrically connected to the circuit element through the contact part; a first electrode on the insulating layer and integrally formed with the conductive pattern; a pixel defining layer over the first electrode, the pixel defining layer including an opening exposing a portion of the first electrode; a light emitting layer on the first electrode; and a second electrode on the light emitting layer, wherein the conductive pattern and the first electrode include a first layer, a second layer, and a third layer, which are sequentially stacked on one surface of the insulating layer, and wherein the second layer includes an aluminum-nickel-lanthanum-based alloy.

公开(公告)号：US20240121996A1

公开(公告)日：2024-04-11

申请号：US18362812

申请日：2023-07-31

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Sang Gab KIM ,  Joon Yong PARK ,  Do Keun SONG ,  Su Kyoung YANG ,  Dong Min LEE

IPC: H10K59/123 ,  H01L27/12 ,  H10K59/121

CPC classification number: H10K59/123 ,  H01L27/124 ,  H10K59/1213 ,  H10K2102/351

Abstract: A display device is provided. The display device includes a substrate including a display area and a pad area, which is disposed on one side of the display area, a plurality of conductive layers disposed on the substrate, in the display area and the pad area, a passivation layer disposed on the conductive layers, and a plurality of light-emitting elements disposed on the passivation layer, in the display area, and spaced apart from one another, wherein at least one of the conductive layers includes a first metal layer, a second metal layer, which is disposed on the first metal layer, and a third metal layer, which is disposed on the second metal layer, the first metal layer includes vanadium (V), the second metal layer includes aluminum (Al) or an Al alloy, and the third metal layer includes V or titanium (Ti).

公开(公告)号：US20240057410A1

公开(公告)日：2024-02-15

申请号：US18131535

申请日：2023-04-06

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Joon Yong PARK ,  Joon Woo BAE ,  Do Keun SONG ,  Yung Bin CHUNG

IPC: H10K59/131 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/1201

Abstract: A display device includes a substrate including a flat area and a trench area, which is recessed from the flat area; an electrode pattern disposed on the substrate, where the electrode pattern includes a dent portion, which is bent along a profile of the trench area of the substrate; a planarization layer inserted in the dent portion; a first insulating layer covering the substrate, the electrode pattern, and the planarization layer; and a light-emitting element disposed on the first insulating layer, where the planarization layer includes an organic-inorganic composite material.

公开(公告)号：US20230367364A1

公开(公告)日：2023-11-16

申请号：US18297763

申请日：2023-04-10

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Ju Hyun LEE ,  Joon Yong PARK

IPC: G06F1/16 ,  G02F1/00 ,  G02F1/01

CPC classification number: G06F1/1601 ,  G02F1/0063 ,  G02F1/0102 ,  G02F2202/02 ,  G02F2201/08

Abstract: A light control film includes a first light absorbing layer, a first organic layer disposed on the first light absorbing layer, and a second light absorbing layer disposed on the first organic layer. At least one of the first light absorbing layer and the second light absorbing layer includes a first layer including a metal oxide, a second layer disposed on the first layer and including a metal, and a third layer disposed on the second layer and including a metal oxide.

公开(公告)号：US20230253530A1

公开(公告)日：2023-08-10

申请号：US17987952

申请日：2022-11-16

Applicant: Samsung Display Co., LTD.

Inventor： Joon Yong PARK ,  Sung Joo KWON ,  Hyun Eok SHIN ,  Hyun Ah SUNG ,  Dong Min LEE ,  Ju Hyun LEE

IPC: H01L33/42 ,  H01L25/16

CPC classification number: H01L33/42 ,  H01L25/167 ,  H01L2933/0016 ,  H01L33/32

Abstract: There are provided a display device and a method of manufacturing the display device. The display device includes: electrodes spaced apart from each other; light emitting elements disposed between the electrodes; and connection electrodes disposed on the light emitting elements. Each of the connection electrodes includes a first conductive layer and a second conductive layer disposed on the first conductive layer, and a work function of the first conductive layer is lower than a work function of the second conductive layer.

公开(公告)号：US20220392977A1

公开(公告)日：2022-12-08

申请号：US17701639

申请日：2022-03-22

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Gyung Min BAEK

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

Abstract: A display device includes a substrate; an anode electrode disposed on the substrate; a first anti-contact layer disposed on the anode electrode and including molybdenum trioxide (MoO3); a second anti-contact layer disposed on the first anti-contact layer and including molybdenum dioxide (MoO2); and a pixel-defining layer disposed on the second anti-contact layer, wherein the first anti-contact layer includes a first opening, wherein the second anti-contact layer includes a second opening, wherein the pixel-defining layer includes a third opening, and wherein the first opening, the second opening and the third opening overlap one another and expose the anode electrode.

公开(公告)号：US20220130667A1

公开(公告)日：2022-04-28

申请号：US17469279

申请日：2021-09-08

Applicant: Samsung Display Co., LTD. ,  Industry-Academic Cooperation Foundation, Yonsei University

Inventor： Mann Ho CHO ,  Kwang Sik JEONG ,  Hyeon Sik KIM ,  Hyun Eok SHIN ,  Byung Soo SO ,  Ju Hyun LEE

IPC: H01L21/02

Abstract: A method of manufacturing a stacked structure includes forming a first metal buffer layer including crystal grains on a base substrate, forming a second metal buffer material layer on the first metal buffer layer, and crystallizing the second metal buffer material layer to form a second metal buffer layer, wherein the second metal buffer material layer includes crystal grains, and a density of the crystal grains of the second metal buffer material layer is lower than a density of the crystal grains of the first metal buffer layer.