公开(公告)号：US11770943B2

公开(公告)日：2023-09-26

申请号：US17367215

申请日：2021-07-02

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: H10K50/17 ,  H10K50/13 ,  H10K50/16 ,  H10K50/00 ,  H10K50/18 ,  H10K102/00

CPC classification number: H10K50/171 ,  H10K50/13 ,  H10K50/166 ,  H10K50/00 ,  H10K50/18 ,  H10K2102/3026

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：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：US10658595B2

公开(公告)日：2020-05-19

申请号：US16422479

申请日：2019-05-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seok Gyu Yoon ,  Dong Chan Kim ,  Eung Do Kim ,  Bo Ra Jung ,  Kyu Hwan Hwang ,  Sung Chul Kim ,  Won-Jong Kim ,  Young-Woo Song ,  Jong Hyuk Lee

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

Abstract: An organic light emitting diode includes: a first electrode; a second electrode facing the first electrode; a light emission layer between the first electrode and the second electrode; an electron injection layer between the second electrode and the light emission layer; and a buffer layer between the electron injection layer and the second electrode, where the electron injection layer includes a dipolar material and a first metal, and the buffer layer includes a metal having a work function of 4.0 eV or less.

公开(公告)号：US10374189B2

公开(公告)日：2019-08-06

申请号：US15234657

申请日：2016-08-11

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Chan Kim

IPC: H01L51/52 ,  H01L27/12 ,  H01L27/32 ,  H01L33/42 ,  H01L33/62 ,  H01L51/50

Abstract: An opto-electronic element according to an exemplary embodiment of the present disclosure includes a transparent conductive layer including a first material made of a metal and a second material made of a metal halide.

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：US10158095B2

公开(公告)日：2018-12-18

申请号：US15806665

申请日：2017-11-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Chan Kim ,  Won Jong Kim ,  Ji Young Moon ,  Dong Kyu Seo ,  Myung Chul Yeo ,  Ji Hye Lee ,  Yoon Hyeung Cho

IPC: H01L33/00 ,  H01L51/50 ,  H01L27/32 ,  H01L51/52

Abstract: A light emitting diode includes a first electrode overlapping a second electrode, an emission layer between the first and second electrodes. a first hole injection layer and a second hole injection layer between the first electrode and the emission layer, and a first hole transporting layer between the first hole injection layer and the second hole injection layer. Each of the first and second hole injection layers includes an inorganic dipole material. At least one of the first hole injection layer or the second hole injection layer including an organic material.

公开(公告)号：US10084149B2

公开(公告)日：2018-09-25

申请号：US15623271

申请日：2017-06-14

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Chan Kim ,  Dong Kyu Seo ,  Won Suk Han ,  Yoon Hyeung Cho

IPC: H01L29/08 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L51/5092 ,  H01L51/5072 ,  H01L51/5221

Abstract: An exemplary embodiment of the present disclosure provides a light emitting diode including: a first electrode; a second electrode configured to overlap the first electrode; an emission layer between the first electrode and the second electrode; and an electron-injection layer between the emission layer and the first electrode, wherein the electron-injection layer includes a compound XIn, in XIn the subscript n is an integer which is in a range of 1 to 3, and X includes a lanthanide element.

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：US09972744B2

公开(公告)日：2018-05-15

申请号：US15407930

申请日：2017-01-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Chan Kim ,  Dong Kyu Seo ,  Yoon Hyeung Cho ,  Won Suk Han

IPC: H01L33/00 ,  H01L33/06 ,  H01L33/26 ,  H01L33/14 ,  H01L33/18 ,  H01L51/50 ,  H01L27/15 ,  H01L27/28 ,  H01L27/32 ,  H01L33/28

CPC classification number: H01L33/002 ,  H01L27/15 ,  H01L27/156 ,  H01L27/286 ,  H01L27/3244 ,  H01L33/06 ,  H01L33/14 ,  H01L33/18 ,  H01L33/26 ,  H01L33/28 ,  H01L51/5056 ,  H01L51/5072

Abstract: A light emitting element includes a first electrode, a second electrode overlapping the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer includes a quantum well that includes a first layer and a second layer, each having a different band gap. The first layer includes magnesium, and the second layer includes zinc. The first layer and the second layer are amorphous.