公开(公告)号：US20230135917A1

公开(公告)日：2023-05-04

申请号：US17903956

申请日：2022-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Changhee Lee ,  Jaekook Ha ,  Jingoo Kang ,  Youngmo Koo ,  Youngil Kim ,  Jiyoon Kim

IPC: H01L51/50 ,  H01L51/56 ,  H01L51/00

Abstract: A light-emitting device includes: a substrate; a cathode on the substrate; an anode on the cathode; and an organic layer arranged between the cathode and the anode and including an emission layer. The organic layer includes: an electron transport region between the emission layer and the cathode; and a hole transport region between the emission layer and the anode, wherein the hole transport region includes a first compound including a first repeating unit represented by Formula 1, a second compound represented by Formula 2, a fifth compound represented by Formula 5, or any combination thereof, wherein Formulas 1, 2, and 5 are respectively the same as described herein.

公开(公告)号：US20230131817A1

公开(公告)日：2023-04-27

申请号：US17933670

申请日：2022-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoon Kim ,  Changhee Lee ,  Myoungjin Park

IPC: H01L51/52 ,  H01L51/50 ,  H01L51/56

Abstract: Provided are a light-emitting device, a manufacturing method thereof and an electronic apparatus including the same, the light-emitting device including: a first electrode; a second electrode facing the first electrode; a middle region including an emission layer between the first electrode and the second electrode and an electron transport region between the second electrode and the emission layer; and an anti-oxidation layer between the second electrode and the electron transport region. The electron transport region includes an inorganic electron transport layer that comprises a metal oxide layer including a metal oxide.

公开(公告)号：US12207500B2

公开(公告)日：2025-01-21

申请号：US17137926

申请日：2020-12-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jiyoon Kim

IPC: H10K59/122 ,  H10K50/844 ,  H10K59/121

Abstract: An organic light-emitting display apparatus includes: a semiconductor layer including a drain region; an interlayer-insulating layer covering the semiconductor layer; a connection metal on the interlayer-insulating layer and contacting the drain region through an interlayer contact hole in the interlayer-insulating layer; a protective insulating layer covering the connection metal; a bridge electrode on the protective insulating layer and contacting the connection metal through a protective contact hole in the protective insulating layer; a planarization layer covering the bridge electrode; and a pixel electrode on the planarization layer and connected to the bridge electrode through a pixel contact hole in the planarization layer. In a plan view, the pixel contact hole is defined outside the protective contact hole.

公开(公告)号：US20230380219A1

公开(公告)日：2023-11-23

申请号：US18119969

申请日：2023-03-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoon Kim

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/35

Abstract: A display apparatus includes a display element including a pixel electrode, an emission layer including a light emitting material, and an opposite electrode, a first bank layer including a first opening exposing a center portion of the pixel electrode, a second bank layer disposed over the first bank layer and including a second opening overlapping the first opening, and a residual sacrificial layer disposed between the first bank layer and the second bank layer and overlapping the second bank layer, wherein an upper surface of the second bank layer and an inner side surface of the second bank layer defining the second opening have lyophobicity.

公开(公告)号：US20250072228A1

公开(公告)日：2025-02-27

申请号：US18807005

申请日：2024-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： Heewoon Im ,  Jiyoon Kim ,  Yukhyun Nam ,  Jaehyun Park

IPC: H10K59/122 ,  H10K50/115

Abstract: A display apparatus includes a substrate, a first light-emitting diode, a second light-emitting diode, and a third light-emitting diode disposed on the substrate and configured to emit light of different colors, and a hydrogen supply layer arranged to overlap or to be adjacent to each of the first light-emitting diode and the second light-emitting diode, wherein each of the first, second and third light emitting diodes include a pixel electrode, an intermediate layer disposed on the pixel electrode and in an opening in the bank layer, and an opposite electrode covering the intermediate layer and the bank layer.

公开(公告)号：US20230320123A1

公开(公告)日：2023-10-05

申请号：US18165227

申请日：2023-02-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Changhee Lee ,  Jiyoon Kim ,  Heunggyu Kim ,  Jaekook Ha

IPC: H10K50/17 ,  H10K50/16 ,  H10K50/15 ,  H10K50/115 ,  H10K30/82 ,  H10K85/60

CPC classification number: H10K50/171 ,  H10K30/82 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K85/611 ,  H10K85/615 ,  H10K85/631 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2102/103

Abstract: A light-emitting device that includes a first electrode, a second electrode and an interlayer between the first electrode and the second electrode and including an emission layer is provided. An electron injection layer and an electron transport layer are between the emission layer and the first electrode. The electron injection layer includes: an oxide of: Zn; Ti; Mg; or any combination thereof, the electron transport layer includes a phosphine oxide compound, and the first electrode of the light-emitting device may be a reflective electrode.

公开(公告)号：US20250056971A1

公开(公告)日：2025-02-13

申请号：US18604494

申请日：2024-03-14

Applicant: Samsung Display Co., Ltd.

Inventor： Yoolguk Kim ,  Jiyoon Kim ,  Sangho Lee ,  Heewoon Im

IPC: H10K59/122 ,  H10K59/12

Abstract: A display device includes a pixel circuit layer disposed on a substrate and including a pixel circuit, a pixel-defining layer disposed on the pixel circuit layer and including an opening, a first electrode disposed on the pixel circuit layer, disposed in the opening of the pixel-defining layer, and having a portion disposed on a side wall of the pixel-defining layer, a first common layer on the first electrode, an emission layer on the first common layer, a second common layer on the emission layer, and a second electrode on the second common layer, wherein an upper surface of the first common layer is at a higher level than an upper surface of the first electrode.

公开(公告)号：US20230081716A1

公开(公告)日：2023-03-16

申请号：US17860032

申请日：2022-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yoolguk Kim ,  Jingoo Kang ,  Jiyoon Kim

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  H01L51/56

Abstract: Provided are a display apparatus and a method of manufacturing the same. The display apparatus includes a substrate, a plurality of light-emitting elements on the substrate, a passivation layer covering the light-emitting elements, and a plurality of pixel circuits on the passivation layer and connected to the light-emitting elements, respectively. The light-emitting elements each include a first electrode integrally provided with the light-emitting elements on the substrate, an emission layer in an opening of a pixel-defining layer on the first electrode, and a second electrode on the emission layer.

公开(公告)号：US20210376019A1

公开(公告)日：2021-12-02

申请号：US17137926

申请日：2020-12-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jiyoon Kim

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light-emitting display apparatus includes: a semiconductor layer including a drain region; an interlayer-insulating layer covering the semiconductor layer; a connection metal on the interlayer-insulating layer and contacting the drain region through an interlayer contact hole in the interlayer-insulating layer; a protective insulating layer covering the connection metal; a bridge electrode on the protective insulating layer and contacting the connection metal through a protective contact hole in the protective insulating layer; a planarization layer covering the bridge electrode; and a pixel electrode on the planarization layer and connected to the bridge electrode through a pixel contact hole in the planarization layer. In a plan view, the pixel contact hole is defined outside the protective contact hole.