公开(公告)号：US20250098401A1

公开(公告)日：2025-03-20

申请号：US18615736

申请日：2024-03-25

Applicant: Samsung Display Co., Ltd.

Inventor： Jongwon Lee ,  Hakchoong Lee ,  Kayoung Lee ,  Changmin Lee ,  Jaehoon Hwang

IPC: H10K50/13 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K59/123 ,  H10K59/38

Abstract: Provided is a light-emitting device including a first electrode, a second electrode facing the first electrode, and an interlayer arranged between the first electrode and the second electrode. The interlayer includes emission layers, charge generation layers arranged between emission layers, and a layer including an alkali metal and Yb.

公开(公告)号：US20230225204A1

公开(公告)日：2023-07-13

申请号：US18095367

申请日：2023-01-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jongwon Lee ,  Seungcheol Kim ,  Changmin Lee ,  Hyunshik Lee

IPC: H10K85/60

CPC classification number: H10K85/6572 ,  H10K50/181

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer arranged between the first electrode and the second electrode and including an emission layer; and a hole transport region arranged between the first electrode and the emission layer, wherein the hole transport region includes an electron blocking layer, and the electron blocking layer includes a heterocyclic compound represented by Formula 1.

公开(公告)号：US20200185462A1

公开(公告)日：2020-06-11

申请号：US16521133

申请日：2019-07-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Changmin Lee ,  Juwon Lee ,  Hyomin Ko ,  Sanggyun Kim

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

Abstract: An organic light-emitting display apparatus and a method of manufacturing the same are provided. An organic light-emitting display apparatus includes a first light-emitting unit including a first color light-emitting layer on an area of a substrate, a second light-emitting unit including a second color light-emitting layer spaced apart from the first color light-emitting layer, and a third light-emitting unit including a third color light-emitting layer as a common layer corresponding to both areas of the first color light-emitting layer and the second color light-emitting layer, and the first color light-emitting layer includes a lower light-emitting layer and an upper light-emitting layer that are stacked to have a multilayered structure.

公开(公告)号：US11889755B2

公开(公告)日：2024-01-30

申请号：US17039159

申请日：2020-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Daehyeon Kim ,  Hyejeong Park ,  Changmin Lee

IPC: H10K85/60

CPC classification number: H10K85/656 ,  H10K85/622 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574

Abstract: An amine compound and a light-emitting device including the same are provided. The amine compound is represented by Formula 1:




In Formula 1, Ar1 is a group represented by Formula 1A, Ar2 is a group represented by Formula 1B, and the other substituents are understood by referring to the description of the disclosure.

公开(公告)号：US10797114B2

公开(公告)日：2020-10-06

申请号：US16521133

申请日：2019-07-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Changmin Lee ,  Juwon Lee ,  Hyomin Ko ,  Sanggyun Kim

IPC: H01L27/00 ,  H01L27/32 ,  H01L51/50 ,  H01L51/56 ,  H01L51/52 ,  H01L51/00

Abstract: An organic light-emitting display apparatus and a method of manufacturing the same are provided. An organic light-emitting display apparatus includes a first light-emitting unit including a first color light-emitting layer on an area of a substrate, a second light-emitting unit including a second color light-emitting layer spaced apart from the first color light-emitting layer, and a third light-emitting unit including a third color light-emitting layer as a common layer corresponding to both areas of the first color light-emitting layer and the second color light-emitting layer, and the first color light-emitting layer includes a lower light-emitting layer and an upper light-emitting layer that are stacked to have a multilayered structure.

公开(公告)号：US09368743B2

公开(公告)日：2016-06-14

申请号：US13955569

申请日：2013-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Ju Choi ,  Chang Ho Lee ,  Ilsoo Oh ,  HeeJoo Ko ,  Dae Yup Shin ,  KeonHa Choi ,  Changmin Lee ,  Injae Lee ,  Pyungeun Jeon ,  Sejin Cho ,  JinYoung Yun ,  Bora Lee ,  Beomjoon Kim ,  Yeon woo Lee ,  Ji Hye Shim ,  Joongwon Sim

IPC: H01L21/00 ,  H01L51/50 ,  H01L51/00

CPC classification number: H01L51/5056 ,  H01L51/0012

Abstract: A method of fabricating an organic light emitting device includes forming a first electrode layer on a substrate, surface-treating the first electrode layer with CF4 plasma, forming a first common layer containing pentacene on the surface-treated first electrode layer, forming an organic light emitting layer on the first common layer, forming a second common layer on the organic light emitting layer, and forming a second electrode layer on the second common layer. The CF4 plasma treatment enhances the luminous efficiency of the organic light emitting device.

Abstract translation: 一种制造有机发光器件的方法包括在衬底上形成第一电极层，用CF 4等离子体对第一电极层进行表面处理，在表面处理的第一电极层上形成含有并五苯的第一公共层，形成有机光 在第一公共层上形成第二公共层，在第二公共层上形成第二电极层。 CF4等离子体处理提高了有机发光器件的发光效率。

公开(公告)号：US20160133674A1

公开(公告)日：2016-05-12

申请号：US14692638

申请日：2015-04-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Changmin Lee ,  Hyunju Choi ,  Jihwan Yoon

IPC: H01L27/32 ,  H01L51/50

CPC classification number: H01L51/5036 ,  H01L27/3206 ,  H01L27/3209 ,  H01L27/3211 ,  H01L27/3216 ,  H01L27/3218 ,  H01L27/3244 ,  H01L51/5012 ,  H01L51/5024 ,  H01L51/504 ,  H01L51/5056 ,  H01L51/5064 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5265 ,  H01L2251/558

Abstract: An organic light emitting diode display includes: a substrate; and a plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes on the substrate, each of the plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes including: a first electrode on the substrate; an organic layer on the first electrode; and a second electrode on the organic layer, and the organic layer includes a light emission auxiliary layer on the first electrode and an organic light emitting layer on the light emission auxiliary layer, and the organic layer of each of the red organic light emitting diodes has a thickness of about 90 to 110 nm.

Abstract translation: 有机发光二极管显示器包括：基板; 以及基板上的多个红色有机发光二极管，绿色有机发光二极管和蓝色有机发光二极管，多个红色有机发光二极管，绿色有机发光二极管和蓝色有机发光二极管中的每一个，包括 ：基板上的第一电极; 第一电极上的有机层; 和有机层上的第二电极，有机层在第一电极上包括发光辅助层和发光辅助层上的有机发光层，并且每个红色有机发光二极管的有机层具有 厚度约为90至110nm。

公开(公告)号：US20240237391A1

公开(公告)日：2024-07-11

申请号：US18360048

申请日：2023-07-27

Applicant: Samsung Display Co., Ltd.

Inventor： Jongwon Lee ,  Seungcheol Kim ,  Heungsu Park ,  Changmin Lee ,  Hyunshik Lee

IPC: H10K50/19 ,  H10K50/13

CPC classification number: H10K50/19 ,  H10K50/131 ,  H10K2102/351

Abstract: A tandem light-emitting device including a first electrode, a second electrode facing the first electrode, m light-emitting units stacked between the first electrode and the second electrode, the m light-emitting units each including an emission layer, and m−1 charge generation layers between two adjacent light-emitting units of the m light-emitting units. M is an integer of 5 or more. The m light-emitting units include first to fifth light-emitting units, in order of proximity to the first electrode. The m−1 charge generation layers include first to fourth charge generation layers, in order of proximity to the first electrode. At least one of the first to fifth light-emitting units emits blue light. At least one of the first to fifth light-emitting units emits green light. The formula 3≤D/(2*λb)≤ 4 is satisfied.

公开(公告)号：US20240172515A1

公开(公告)日：2024-05-23

申请号：US18505122

申请日：2023-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Daehyeon Kim ,  Changmin Lee ,  Hyunshik Lee ,  Hongil Kim ,  Jaehoon Hwang

IPC: H10K59/38 ,  H10K59/80

CPC classification number: H10K59/38 ,  H10K59/8731

Abstract: A display apparatus includes a first pixel electrode and a second pixel electrode disposed on the first substrate, an intermediate layer disposed on the first pixel electrode and the second pixel electrode and emitting a first light, an opposite electrode disposed on the intermediate layer, a first color filter disposed on the opposite electrode and overlapping the first pixel electrode in plan view, an organic material layer disposed between the opposite electrode and the first color filter, and a second color filter disposed on the opposite electrode and overlapping the second pixel electrode in plan view, and the first light has an X-value in a range of about 0.220 to about 0.222 and a Y-value in a range of about 0.225 to about 0.309 in CIE color coordinates, and the first light passes through the organic material layer along a substantially linear path.

公开(公告)号：US20230165030A1

公开(公告)日：2023-05-25

申请号：US18151954

申请日：2023-01-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyomin Ko ,  Changmin Lee

IPC: H10K50/15 ,  H10K50/852 ,  H10K85/60

CPC classification number: H10K50/15 ,  H10K50/852 ,  H10K85/633 ,  H10K50/11

Abstract: An organic light-emitting device includes: a first pixel electrode on a first emission region, a second pixel electrode on a second emission region, and a third pixel electrode on a third emission region; a counter electrode facing each of the first pixel electrode, the second pixel electrode, and the third pixel electrode; and an interlayer between the counter electrode and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode. The interlayer includes an emission layer, and a hole transport region between the emission layer and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode, the hole transport region includes a planarization layer that includes an amine-based compound represented by Formula 1, Formula 2A, or Formula 2B, and the amine-based compound has a crystallization peak having a noise-to-peak ratio of 1.75 or more in an X-ray diffraction (XRD) spectrum.