公开(公告)号：US11088341B2

公开(公告)日：2021-08-10

申请号：US16903355

申请日：2020-06-16

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Chan Kim ,  Won Jong Kim ,  Dong Kyu Seo ,  Ji Hye Lee ,  Sang Hoon Yim ,  Won Suk Han

IPC: H01L51/50

Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 Å to about 140 Å.

公开(公告)号：US20200313110A1

公开(公告)日：2020-10-01

申请号：US16903355

申请日：2020-06-16

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Chan Kim ,  Won Jong Kim ,  Dong Kyu Seo ,  Ji Hye Lee ,  Sang Hoon Yim ,  Won Suk Han

IPC: H01L51/50

Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 Å to about 140 Å.

公开(公告)号：US10535842B2

公开(公告)日：2020-01-14

申请号：US16136120

申请日：2018-09-19

Applicant: Samsung Display Co., Ltd.

Inventor： Myeong Suk Kim ,  Sung Wook Kim ,  Chang Woong Chu ,  Jin Soo Hwang ,  Sang Hoon Yim

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

Abstract: The described technology relates to an organic light emitting diode including: a first electrode; a second electrode overlapping the first electrode; an organic emission layer between the first electrode and the second electrode; and a capping layer on the second electrode, wherein the capping layer has an absorption rate of 0.25 or more for light having a wavelength of 405 nm, thereby preventing degradation of the organic emission layer by blocking the light of the harmful wavelength region and providing the organic light emitting diode in which a blue emission efficiency is not deteriorated.

公开(公告)号：US10170723B2

公开(公告)日：2019-01-01

申请号：US15208421

申请日：2016-07-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Kyu Seo ,  Dong Chan Kim ,  Won Jong Kim ,  Eung Do Kim ,  Jong Hyuk Lee ,  Da Hea Im ,  Sang Hoon Yim ,  Yoon Hyeung Cho ,  Chang Woong Chu ,  Won Suk Han

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

Abstract: An organic light emitting element according to an exemplary embodiment of the present disclosure includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode, an electron injection layer between the second electrode and the emission layer, and a barrier layer between the electron injection layer and the second electrode, wherein a work function of the barrier layer is larger than a work function of the second electrode.

公开(公告)号：US10003040B2

公开(公告)日：2018-06-19

申请号：US14731729

申请日：2015-06-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Chan Kim ,  Won Jong Kim ,  Eung Do Kim ,  Dong Kyu Seo ,  Jong Hyuk Lee ,  Sang Hoon Yim ,  Chang Woong Chu

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

CPC classification number: H01L51/5092 ,  H01L27/3244 ,  H01L51/0059 ,  H01L51/0073 ,  H01L51/5265 ,  H01L2251/303

Abstract: An organic light emitting element, includes a first electrode and a second electrode facing each other; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including an oxide having a relative dielectric constant of 10 or more and a metal having a work function of 4.0 eV or less.

公开(公告)号：US09960380B2

公开(公告)日：2018-05-01

申请号：US15599263

申请日：2017-05-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Chan Kim ,  Won Jong Kim ,  Eung Do Kim ,  Dong Kyu Seo ,  Da Hea Im ,  Sang Hoon Yim ,  Chang Woong Chu

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

CPC classification number: H01L51/5092 ,  H01L27/3211 ,  H01L27/3276 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/504 ,  H01L51/5056 ,  H01L51/506 ,  H01L2251/301

Abstract: An organic light emitting diode and an organic light emitting display device, the organic light emitting diode including a first electrode and a second electrode facing each other; an emission layer between the first electrode and the second electrode; and a hole transport layer between the first electrode and the emission layer, wherein the hole transport layer includes an organic material and a dipole material, the dipole material including a first component and a second component, the first component having a polarity different from that of the second component and the first component and the second component being combined with each other.

公开(公告)号：US09704928B2

公开(公告)日：2017-07-11

申请号：US14875456

申请日：2015-10-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Hoon Yim ,  Dong Chan Kim ,  Won Jong Kim ,  Eung Do Kim ,  Dong Kyu Seo ,  Jong Hyuk Lee ,  Da Hea Im ,  Yoon Hyeung Cho ,  Chang Woong Chu

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

CPC classification number: H01L27/3218 ,  H01L27/3248 ,  H01L51/5004 ,  H01L51/504 ,  H01L51/5221 ,  H01L51/5265 ,  H01L2251/301 ,  H01L2251/558

Abstract: An organic light emitting diode display including a substrate, a thin film transistor on the substrate, a first electrode connected to the thin film transistor, a first layer on the first electrode, an emission layer on the first layer, a second layer on the emission layer, and a second electrode on the second layer.

公开(公告)号：US20170125497A1

公开(公告)日：2017-05-04

申请号：US15177165

申请日：2016-06-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eung Do Kim ,  Dong Chan Kim ,  Won Jong Kim ,  Dong Kyu Seo ,  Ji Hye Lee ,  Da Hea Im ,  Sang Hoon Yim ,  Yoon Hyeung Cho ,  Won Suk Han

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

CPC classification number: H01L27/3248 ,  H01L51/5218 ,  H01L51/5221 ,  H01L51/5234 ,  H01L51/5253 ,  H01L51/5262 ,  H01L51/5265 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/301

Abstract: An organic light emitting diode display, according to an exemplary embodiment of the present invention, includes: a substrate; a thin film transistor on the substrate; an organic light emitting diode connected to the thin film transistor; and a capping layer on the organic light emitting diode. The capping layer includes metal hydride.

公开(公告)号：US20170033170A1

公开(公告)日：2017-02-02

申请号：US15015081

申请日：2016-02-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eung Do Kim ,  Dong Chan Kim ,  Won Jong Kim ,  Dong Kyu Seo ,  Ji Hye Lee ,  Da Hea Im ,  Sang Hoon Yim ,  Yoon Hyeung Cho ,  Won Suk Han

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L51/5275 ,  H01L27/3244 ,  H01L27/3246 ,  H01L51/5253 ,  H01L2251/5315

Abstract: An organic light emitting diode display includes: a first substrate; a switching thin film transistor on the first substrate; a driving thin film transistor on the first substrate; an organic light emitting diode connected to the driving thin film transistor; and a capping layer on the organic light emitting diode, the capping layer including an anisotropic material having a refractive index in a horizontal direction that is greater than a refractive index in a vertical direction.

Abstract translation: 有机发光二极管显示器包括：第一基板; 在第一基板上的开关薄膜晶体管; 在第一衬底上的驱动薄膜晶体管; 连接到驱动薄膜晶体管的有机发光二极管; 以及有机发光二极管上的覆盖层，所述覆盖层包括在水平方向上具有大于垂直方向的折射率的折射率的各向异性材料。

公开(公告)号：US11545533B2

公开(公告)日：2023-01-03

申请号：US16899789

申请日：2020-06-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jinsook Bang ,  Sang Hoon Yim ,  Dong Hoon Kim ,  Jin Wook Jeong ,  Jinyoung Choi ,  Eunjeong Hong

IPC: H01L27/32 ,  H01L51/50

Abstract: A display apparatus includes: a base substrate; a thin film transistor disposed on the base substrate and including an active pattern; an insulating layer disposed on the active pattern of the thin film transistor; a connection electrode disposed on the insulating layer, and electrically connected to the thin film transistor, wherein the connection electrode includes a curved wiring portion; a first via insulating layer covering the connection electrode; a first electrode disposed on the first via insulating layer; a light emitting layer disposed on the first electrode and at least partially overlapping the connection electrode; and a second electrode disposed on the light emitting layer.