公开(公告)号：US11849607B2

公开(公告)日：2023-12-19

申请号：US17165789

申请日：2021-02-02

Applicant: Samsung Display Co., Ltd.

Inventor： Beomsoo Shin ,  Sukhoon Kang ,  Jaejin Lyu ,  Hyungguen Yoon ,  Sunghwan Hong

IPC: H10K59/122 ,  H10K50/115 ,  H10K50/854 ,  H10K59/38

CPC classification number: H10K59/122 ,  H10K50/115 ,  H10K50/854 ,  H10K59/38

Abstract: A display apparatus includes: a first substrate on which a plurality of light-emitting devices are arranged; a plurality of light controllers arranged above the first substrate and corresponding to the plurality of light-emitting devices; and a plurality of banks between the plurality of light controllers, wherein each bank of the plurality of banks includes a black pigment and a scattering agent. Because the display apparatus according to an embodiment includes a bank including a black pigment and a scattering agent, color mixing between pixels is prevented or reduced, and light efficiency is increased.

公开(公告)号：US20230292556A1

公开(公告)日：2023-09-14

申请号：US18198163

申请日：2023-05-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hyungguen Yoon ,  Hongyeon Lee ,  Sukhoon Kang ,  Heera Kim ,  Suji Park ,  Beomsoo Shin

IPC: H10K59/122 ,  H10K71/10

CPC classification number: H10K59/122 ,  H10K71/191 ,  G09G3/3233

Abstract: A display apparatus includes a light-emitting device with improved reliability while maintaining liquid-repellent properties of peripheral layers after plasma irradiation. The display apparatus includes: a substrate; a pixel electrode disposed on the substrate; a pixel defining layer disposed on the pixel electrode and having an opening that exposes a central portion of the pixel electrode; and a liquid-repellent layer disposed on the pixel defining layer and having an upper surface having a concavo-convex structure.

公开(公告)号：US20250098433A1

公开(公告)日：2025-03-20

申请号：US18797081

申请日：2024-08-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Israel Esteban Lazo Martinez ,  Sukhoon Kang ,  Hyungguen Yoon ,  Sunghwan Hong

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

Abstract: A method of manufacturing a display device includes disposing a material precursor of a bank layer on a substrate, irradiating first ultraviolet rays onto at least a portion of the material precursor to form a first reflection portion, and removing at least a portion of the material precursor to form the bank layer.

公开(公告)号：US11737335B2

公开(公告)日：2023-08-22

申请号：US17231928

申请日：2021-04-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hyungguen Yoon ,  Kyuwon Jo ,  Sukhoon Kang ,  Beomsoo Shin ,  Sunghwan Hong

IPC: H10K59/38 ,  H10K50/854 ,  H10K50/86 ,  H10K71/00 ,  H10K59/12 ,  H10K102/00

CPC classification number: H10K59/38 ,  H10K50/854 ,  H10K50/865 ,  H10K71/00 ,  H10K59/1201 ,  H10K2102/331

Abstract: A display apparatus includes: a first to third light-emitting element, each including an emission layer to emit light in a first direction, an encapsulation layer covering the first to third light-emitting elements; a first light-shielding layer arranged on the encapsulation layer, the first light-shielding layer including a first set of opening portions respectively corresponding to the first to third light-emitting elements; a metal layer arranged on an inner surface defining the first set of opening portions, wherein a width of the metal layer in a second direction normal (or perpendicular) to the first direction gradually decreases along the first direction; and a first color conversion layer; a second color conversion layer; and a light-transmitting layer, the first color conversion layer, the second color conversion layer, and a light-transmitting layer respectively corresponding to the first to third light-emitting elements.

公开(公告)号：US11690252B2

公开(公告)日：2023-06-27

申请号：US16702536

申请日：2019-12-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyungguen Yoon ,  Hongyeon Lee ,  Sukhoon Kang ,  Heera Kim ,  Suji Park ,  Beomsoo Shin

IPC: H10K59/122 ,  H10K71/10 ,  H10K59/12 ,  G09G3/3233

CPC classification number: H10K59/122 ,  H10K71/191 ,  G09G3/3233 ,  H10K59/1201

Abstract: A display apparatus includes a light-emitting device with improved reliability while maintaining liquid-repellent properties of peripheral layers after plasma irradiation. The display apparatus includes: a substrate; a pixel electrode disposed on the substrate; a pixel defining layer disposed on the pixel electrode and having an opening that exposes a central portion of the pixel electrode; and a liquid-repellent layer disposed on the pixel defining layer and having an upper surface having a concavo-convex structure.

公开(公告)号：US10770526B2

公开(公告)日：2020-09-08

申请号：US16246269

申请日：2019-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Min-jae Kim ,  Sukhoon Kang ,  Heera Kim ,  Beom-soo Shin ,  Hongyeon Lee

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/00 ,  H01L51/52

Abstract: A display device includes: a substrate including a circuit layer; a first electrode on the substrate; a first pixel defining layer on the substrate and having an opening exposing an upper surface of the first electrode; a second pixel defining layer on the first pixel defining layer and comprising an amphipathic material; an organic layer on the first electrode; and a second electrode on the organic layer.

公开(公告)号：US20190043936A1

公开(公告)日：2019-02-07

申请号：US15954331

申请日：2018-04-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon Hur ,  Sukhoon Kang ,  Hyein Jeong

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00

Abstract: Provided is an organic electroluminescence display device including a substrate, a first electrode disposed on the substrate, a pixel defining layer disposed on the first electrode and having an opening defined therein for exposing at least a part of the first electrode, an organic layer disposed on the first electrode exposed by the opening and including a light emitting layer, and a second electrode disposed on the organic layer, wherein the pixel defining layer includes a base resin and a hindered amine light stabilizer (HALS).