公开(公告)号：US20240292666A1

公开(公告)日：2024-08-29

申请号：US18474882

申请日：2023-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Eok SHIN ,  Joon Yong PARK ,  Do Keun SONG

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: A display device includes a pixel circuit layer including a base layer and a pixel circuit, a first electrode on the pixel circuit layer, light emitting portions including a first light emitting portion defining first sub-pixel area and a second light emitting portion defining a second sub-pixel area, and a partition wall between the first and second light emitting portions, wherein the partition wall includes a first layer, a second layer on the first layer, and a third layer on the second layer, wherein the first layer has a first thickness, the second layer has a second thickness, the third layer has a third thickness, and the partition wall has a fourth thickness that is a sum of the first thickness to the third thickness, and wherein the first thickness and a thickness of the light emitting portion correspond to each other.

公开(公告)号：US20240154079A1

公开(公告)日：2024-05-09

申请号：US18497140

申请日：2023-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Eok SHIN ,  Ju Hyun LEE ,  Sung Joo KWON ,  Joon Yong PARK

IPC: H01L33/62 ,  H01L25/16 ,  H01L33/60

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L33/60

Abstract: A display device includes a first electrode and a second electrode that are disposed on a substrate and spaced apart from each other. A light emitting element is disposed between the first electrode and the second electrode. A first pixel electrode is disposed on the first electrode, and is electrically connected to a first end portion of the light emitting element and the first electrode. A second pixel electrode is disposed on the second electrode, and is electrically connected to a second end portion of the light emitting element. Each of the first electrode and the second electrode includes a multi-layer structure including a first layer and a second layer disposed on the first layer. The first layer includes a metal reflecting light. The second layer includes tungsten oxide.

公开(公告)号：US20240105899A1

公开(公告)日：2024-03-28

申请号：US18473534

申请日：2023-09-25

Applicant: Samsung Display Co., LTD.

Inventor： Joon Yong PARK ,  Hyun Eok SHIN ,  Sung Joo KWON ,  Sam Tae JEONG

IPC: H01L33/62 ,  H01L25/16

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L2933/0066

Abstract: A method of manufacturing a display device includes aligning light emitting elements in an emission area on a substrate, depositing an indium-tin alloy on an entire surface of the substrate at room temperature, heat-treating the indium-tin alloy to reflow along side surfaces of each of the light emitting elements, heat-treating the indium-tin alloy in an oxygen atmosphere to form indium tin oxide, and etching the indium tin oxide to form a first pixel electrode contacting first ends of at least a portion of the light emitting elements.

公开(公告)号：US20230320182A1

公开(公告)日：2023-10-05

申请号：US18122446

申请日：2023-03-16

Applicant: Samsung Display Co., LTD.

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

IPC: H10K59/88

CPC classification number: H10K59/88

Abstract: A display device includes a substrate including a pixel area and a dummy area, wherein the pixel area includes a transistor disposed on the substrate, a first electrode electrically connected to the transistor, a second electrode overlapping the first electrode, and a functional layer and an emission layer disposed between the first electrode and the second electrode, and the dummy area includes a first dummy electrode disposed on the substrate, and a dummy insulating layer covering the side of at least part of the first dummy electrode.

公开(公告)号：US20230317902A1

公开(公告)日：2023-10-05

申请号：US18088919

申请日：2022-12-27

Applicant: Samsung Display Co., LTD.

Inventor： Dong Min LEE ,  Hyun Ah SUNG ,  Young Rok KIM ,  Joon Yong PARK ,  Hyun Eok SHIN

IPC: H01L33/62 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L33/387

Abstract: A wiring substrate and a display device including the same are provided. The display device includes a first substrate including a display area and a pad area disposed on one side of the display area, and a plurality of conductive layers including a plurality of wires and conductive patterns disposed in the display area and the pad area on the first substrate, wherein at least one of the conductive layers includes a copper-indium alloy and comprises a metal layer having a grain size equal to or less than about 140 nm.

公开(公告)号：US20220406817A1

公开(公告)日：2022-12-22

申请号：US17672249

申请日：2022-02-15

Applicant: Samsung Display Co., LTD.

Inventor： Joon Yong PARK ,  Gyung Min BAEK ,  Shin Il CHOI ,  Do Keun SONG ,  Young Rok KIM ,  Jong Hyun CHOUNG

IPC: H01L27/12 ,  H01L25/16

Abstract: A display device includes conductive layers including wires and conductive patterns in a display area and a pad area, a via layer on the conductive layers, a first electrode and a second electrode on the via layer in the display area and spaced apart from each other, a first insulating layer on the first electrode and the second electrode, light emitting elements on the first electrode and the second electrode spaced apart from each other on the first insulating layer, and a first connection electrode on the first electrode and electrically contacting the light emitting elements, and a second connection electrode on the second electrode and electrically contacting the light emitting elements, each of the conductive layers includes a first metal layer and a second metal layer on the first metal layer, and the second metal layer contains copper and has a grain size of about 155 nm or less.

公开(公告)号：US20180059301A1

公开(公告)日：2018-03-01

申请号：US15477719

申请日：2017-04-03

Applicant: Samsung Display Co., Ltd

Inventor： Moon Jung AN ,  Jung Gun NAM ,  Su Kyoung YANG ,  Gyung Min BAEK ,  Kang Soo HAN ,  Joon Yong PARK ,  Sang Won SHIN ,  Hyun Eok SHIN

IPC: G02B5/30 ,  G02F1/1335 ,  G02F1/1368 ,  G02F1/1333

CPC classification number: G02B5/3058 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133528 ,  G02F1/1368 ,  G02F2001/133548 ,  G02F2201/123 ,  G02F2201/50

Abstract: Provided is a polarizer. The polarizer includes a base layer and a wire grid layer which is disposed on the base layer and which include a plurality of wire metal patterns extending along a first direction and spaced apart from each other along a second direction crossing the first direction, wherein the wire grid layer is made of an aluminum (Al) alloy containing nickel (Ni) and lanthanum (La).

公开(公告)号：US20170110299A1

公开(公告)日：2017-04-20

申请号：US15238377

申请日：2016-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： Chang Oh JEONG ,  Hyun Eok SHIN ,  Hyun Ju KANG ,  Joon Yong PARK ,  Sang Woo SOHN ,  Sang Won SHIN ,  Dong Hee LEE

IPC: H01J37/34 ,  C23C14/34

CPC classification number: H01J37/3423 ,  C23C14/3407 ,  C23C14/3464 ,  H01J37/3417 ,  H01J37/3426 ,  H01J37/3429

Abstract: A sputtering apparatus includes a chamber, a target section disposed in the chamber, and a stage facing the target section. The target section includes a first target having a first diameter and a second target having a second diameter different from the first diameter. The first target and the second target each extend in a longitudinal direction and have a cylindrical shape, and the first and second diameters are respectively measured along a cross-section of corresponding first and second targets taken along a direction perpendicular to the longitudinal direction.

公开(公告)号：US20250098428A1

公开(公告)日：2025-03-20

申请号：US18659252

申请日：2024-05-09

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Joon Yong PARK ,  Dong Min LEE ,  Sung Soon IM

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80

Abstract: A display device includes an anode electrode on the emission area of the substrate, a pixel-defining layer on the non-emission area of the substrate and including a first opening, a first bank layer on the pixel-defining layer, including a second opening, and including a conductive material, a second bank layer on the first bank layer and including a tip that protrudes over a side surface of the first bank layer toward the first opening, a cathode electrode on the anode electrode and contacting the side surface of the first bank layer, and an electrode pattern on the second bank layer and including a same material as the first cathode electrode. The cathode electrode and the electrode pattern are spaced apart from each other, and the electrode pattern covers a surface of the second bank layer facing the first opening in line with the protruding tip.

公开(公告)号：US20250056970A1

公开(公告)日：2025-02-13

申请号：US18599386

申请日：2024-03-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Eok SHIN ,  Su Kyoung YANG ,  Dong Min LEE ,  Joon Yong PARK ,  Byung Soo SO ,  Yung Bin CHUNG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80

Abstract: A display device includes a pixel electrode in a light emission area, a pixel defining layer which is on the pixel electrode and defines the light emission area, a light emitting layer and a common electrode on the pixel electrode, a bank on the pixel defining layer, the bank including a first bank layer defining a lower portion of a bank opening corresponding to the light emission area and a second bank layer which defines an upper portion of the bank opening and a tip of the bank, the tip including upper and lower surfaces of the second bank layer, a lower inorganic encapsulation layer which is on the bank and includes an inorganic pattern on the common electrode and facing and spaced apart from both the upper and lower surfaces of the tip, and an auxiliary pattern between the lower surface of the tip and the inorganic pattern.