公开(公告)号：US10367163B2

公开(公告)日：2019-07-30

申请号：US14736663

申请日：2015-06-11

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 ,  H01L51/00 ,  H01L51/52

Abstract: An 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 injection layer between the first electrode and the emission layer, the hole injection layer including a dipole material including a first component and a second component that have different polarities.

公开(公告)号：US10003041B2

公开(公告)日：2018-06-19

申请号：US14735582

申请日：2015-06-10

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 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L51/5092 ,  H01L27/3244 ,  H01L51/0059 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L2251/301 ,  H01L2251/303

Abstract: An 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 an electron injection layer between the second electrode and the emission layer, the electron injection layer including a metal having a work function of 4.0 eV or less and a dipole material including a first component and a second component having different polarities.

公开(公告)号：US20170125720A1

公开(公告)日：2017-05-04

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: H01L51/50 ,  H01L27/32 ,  H01L51/52

CPC classification number: H01L51/5092 ,  H01L27/3246 ,  H01L27/3276 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5203 ,  H01L51/5231

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：US11211575B2

公开(公告)日：2021-12-28

申请号：US16880878

申请日：2020-05-21

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: H01L51/54 ,  H01L51/50 ,  H01L51/52

Abstract: An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; 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 a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.

公开(公告)号：US10581023B2

公开(公告)日：2020-03-03

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：US10084157B2

公开(公告)日：2018-09-25

申请号：US15455996

申请日：2017-03-10

Applicant: Samsung Display Co., Ltd

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

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

CPC classification number: H01L51/5284 ,  H01L27/3206 ,  H01L27/3211 ,  H01L51/504 ,  H01L51/5253 ,  H01L51/5265

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：US20170294628A1

公开(公告)日：2017-10-12

申请号：US15481082

申请日：2017-04-06

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/52 ,  H01L51/00 ,  H01L27/32 ,  C07C211/58 ,  C07D209/86 ,  C07D307/91 ,  C07C211/54 ,  C07D333/76 ,  H01L51/50 ,  C09K11/06

CPC classification number: H01L51/5284 ,  C07C211/54 ,  C07C211/58 ,  C07C2603/18 ,  C07D209/86 ,  C07D307/91 ,  C07D333/76 ,  C09K11/06 ,  H01L27/3262 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0097 ,  H01L51/504 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/5253 ,  H01L51/5275 ,  H01L2251/5338 ,  Y02E10/549

Abstract: A light emitting diode according to an exemplary embodiment of the present invention includes: a first electrode; a second electrode overlapping the first electrode; an emission layer disposed between the first electrode and the second electrode; and a capping layer disposed on the second electrode, wherein the capping layer satisfies Equation 1 below. n*k(λ=405 nm)≦0.8.  Equation 1 In Equation 1, n*k (λ=405 nm) represents an optical value that is a product of a refractive index and an absorption coefficient in a 405 nanometer wavelength.

公开(公告)号：US11569484B2

公开(公告)日：2023-01-31

申请号：US17497842

申请日：2021-10-08

Applicant: Samsung Display Co., Ltd.

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

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

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：US11515481B2

公开(公告)日：2022-11-29

申请号：US15863768

申请日：2018-01-05

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hun Kim ,  Chang Woong Chu ,  Duk Ki Kim ,  Dong Woo Shin ,  Jae Kook Ha

IPC: H01L51/00 ,  G09G3/3208 ,  C07D251/12 ,  C07D239/24 ,  C07D209/82 ,  H01L51/50

Abstract: A composition for forming organic film, a display device utilizing the composition, and a method of manufacturing the display device are provided. The composition for forming an organic film includes a solvent; and a compound of Formula 1: ArR)k.  Formula 1

公开(公告)号：US11145843B2

公开(公告)日：2021-10-12

申请号：US16737825

申请日：2020-01-08

Applicant: Samsung Display Co., Ltd.

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

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

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.