公开(公告)号：US10069102B2

公开(公告)日：2018-09-04

申请号：US15612141

申请日：2017-06-02

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunshik Lee

IPC: H01L51/52 ,  H01L27/32

Abstract: Provided is an organic electroluminescence display device including a base member, a display member disposed on the base member and including an organic electroluminescent element; and an encapsulating member disposed on the display member and encapsulating the display member. The encapsulating member includes a first inorganic layer disposed on the display member; a first organic layer disposed on the first inorganic layer; and a second inorganic layer disposed on the first organic layer. The first inorganic layer has a multilayer structure in which first layers having a first refractive index and second layers having a second refractive index different from the first refractive index are alternately disposed. Each of the first organic layer and the second inorganic layer has a single layer structure.

公开(公告)号：US09818985B2

公开(公告)日：2017-11-14

申请号：US14982455

申请日：2015-12-29

Applicant: Samsung Display Co., Ltd.

Inventor： Junghyun Cho ,  Junyoung Kim ,  Haeyoung Yun ,  Hyunshik Lee

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

CPC classification number: H01L51/5275 ,  H01L27/3232 ,  H01L27/3244 ,  H01L51/0052 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/5218 ,  H01L51/5253 ,  H01L51/5265 ,  H01L51/5271 ,  H01L2251/558

Abstract: An organic light emitting diode (“OLED”) display device includes: a substrate; a reflective layer disposed on the substrate; a refractive index anisotropic layer disposed on the reflective layer; a first electrode disposed on the refractive index anisotropic layer; an organic light emitting layer disposed on the first electrode; and a second electrode disposed on the organic light emitting layer.

公开(公告)号：US20230113852A1

公开(公告)日：2023-04-13

申请号：US17722378

申请日：2022-04-17

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/50 ,  H01L51/00

Abstract: A light-emitting device including: m emitting units located between a first electrode and a second electrode; and m−1 charge generation units, each located between two neighboring emitting units among the m emitting units and including an n-type charge generation layer and a p-type charge generation layer. The m emitting units may each include an emission layer, at least one of the m emission layers comprises a first emission layer and a second emission layer that are in contact with each other, the first emission layer includes a first host, a second host, and a first dopant, the second emission layer includes a third host, a fourth host, and a second dopant, the first host and the second host form a first exciplex, the third host and the fourth host form a second exciplex, and the first dopant is a delayed fluorescence dopant, and the second dopant is a phosphorescent dopant.

公开(公告)号：US11380874B2

公开(公告)日：2022-07-05

申请号：US16907069

申请日：2020-06-19

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunshik Lee

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

Abstract: An organic light emitting diode includes: a first electrode layer; a second electrode layer on the first electrode layer and facing the first electrode layer; a first light emitting layer between the first electrode layer and the second electrode layer and comprising a phosphorescent material; a first hole control layer between the first electrode layer and the first light emitting layer; a second light emitting layer between the first light emitting layer and the second electrode layer and comprising a fluorescent material; and a charge generating layer between the first light emitting layer and the second light emitting layer, the first hole control layer having a thickness equal to or greater than 100 angstroms and equal to or smaller than 900 angstroms.

公开(公告)号：US11152577B2

公开(公告)日：2021-10-19

申请号：US16855933

申请日：2020-04-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunshik Lee ,  Heeseong Jeong

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic light emitting device including a first electrode; a self-assembled monolayer on the first electrode; a hole control layer on the self-assembled monolayer; a light emitting layer on the hole control layer; an electron control layer on the light emitting layer; and a second electrode on the electron control layer, wherein the self-assembled monolayer includes a plurality of organic molecules, each of the plurality of organic molecules having a head bonded to the first electrode, a terminal end adjacent to the hole control layer, and a tail connecting the head with the terminal end.

公开(公告)号：US10672991B2

公开(公告)日：2020-06-02

申请号：US15438847

申请日：2017-02-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunshik Lee ,  Heeseong Jeong

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic light emitting device including a first electrode; a self-assembled monolayer on the first electrode; a hole control layer on the self-assembled monolayer; a light emitting layer on the hole control layer; an electron control layer on the light emitting layer; and a second electrode on the electron control layer, wherein the self-assembled monolayer includes a plurality of organic molecules, each of the plurality of organic molecules having a head bonded to the first electrode, a terminal end adjacent to the hole control layer, and a tail connecting the head with the terminal end.

公开(公告)号：US10483484B2

公开(公告)日：2019-11-19

申请号：US16053676

申请日：2018-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunshik Lee

IPC: H01L51/52 ,  H01L27/32

Abstract: Provided is an organic electroluminescence display device including a base member, a display member disposed on the base member and including an organic electroluminescent element; and an encapsulating member disposed on the display member and encapsulating the display member. The encapsulating member includes a first inorganic layer disposed on the display member; a first organic layer disposed on the first inorganic layer; and a second inorganic layer disposed on the first organic layer. The first inorganic layer has a multilayer structure in which first layers having a first refractive index and second layers having a second refractive index different from the first refractive index are alternately disposed. Each of the first organic layer and the second inorganic layer has a single layer structure.

公开(公告)号：US09559329B2

公开(公告)日：2017-01-31

申请号：US14751906

申请日：2015-06-26

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunshik Lee

IPC: H01J63/04 ,  H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5225 ,  H01L27/32 ,  H01L27/3202 ,  H01L27/3204 ,  H01L27/3225 ,  H01L27/3241 ,  H01L27/3244 ,  H01L27/3246 ,  H01L27/3248 ,  H01L27/3251 ,  H01L27/3258 ,  H01L51/5209 ,  H01L51/5262 ,  H01L51/5293 ,  H01L2227/323

Abstract: A display device having an uneven electrode enhances display quality by improving the emission efficiency of the vertically polarized light. The method for fabricating a display device includes forming a thin film transistor on a base substrate, forming a first electrode connected to the thin film transistor, forming a block copolymer layer on the first electrode, patterning the block copolymer layer and forming a uneven first electrode having a plurality of electrode grooves by etching the first electrode exposed by the block copolymer pattern, and forming a light emitting layer on the uneven first electrode.

Abstract translation: 具有不平坦电极的显示装置通过提高垂直偏振光的发射效率来提高显示质量。 制造显示装置的方法包括在基底基板上形成薄膜晶体管，形成与薄膜晶体管连接的第一电极，在第一电极上形成嵌段共聚物层，构图嵌段共聚物层，形成不均匀的第一电极 通过蚀刻通过嵌段共聚物图案暴露的第一电极而具有多个电极槽，并且在不平坦的第一电极上形成发光层。

公开(公告)号：US12295253B2

公开(公告)日：2025-05-06

申请号：US17351073

申请日：2021-06-17

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Minho Park ,  Dongkyu Lee ,  Jongwon Lee ,  Hyunshik Lee

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K50/19 ,  H10K101/10 ,  H10K101/30

Abstract: A light-emitting device includes: a first electrode; a second electrode; m emission units between the first electrode and the second electrode; and m−1 charge generation layer(s), each located between two adjacent emission units, and including m−1 n-type charge generation layer(s) and m−1 p-type charge generation layer(s). The m emission units each include a hole transport region, an emission layer, and an electron transport region. A first hole transport region in a first emission unit closest to the first electrode may include a hole transfer layer and a hole injection layer and/or a hole transport layer. The hole transfer layer may be a single layer consisting of an electron-transporting compound including a phosphine oxide group (P═O), a phosphine sulfide group (P═S), a π electron-deficient nitrogen-containing C1-C60 cyclic group, or any combination thereof. A highest occupied molecular orbital (HOMO) energy level of the hole transfer layer may be about −6.0 eV to about −5.3 eV.

公开(公告)号：US12250877B2

公开(公告)日：2025-03-11

申请号：US17239405

申请日：2021-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Jin Kim ,  Jongwon Lee ,  Hyunshik Lee ,  Jaehoon Hwang

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K85/10 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; m emission units; and m−1 charge generation layer(s), each including an n-type charge generation layer and a p-type charge generation layer and being located between two emission units. The m emission units each include a hole transport region, an electron transport region, and an emission layer between the hole transport region and the electron transport region. An mth electron region included in an mth emission layer that is closest among the m emission units to the second electrode includes an mth electron transport layer. The mth electron transport layer is a single layer consisting of a first compound, the mth emission layer included in the mth emission unit includes a second compound, and the mth electron transport layer and the mth emission layer may be different from each other.