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：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：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：US10361400B2

公开(公告)日：2019-07-23

申请号：US15087808

申请日：2016-03-31

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

Abstract: An organic light emitting diode display including: a substrate; an organic light emitting diode on the substrate; a capping layer on the organic light emitting diode and including a high refractive layer including an inorganic material having a refractive index that is equal to or greater than about 1.7 and equal to or less than about 6.0; and a thin film encapsulation layer covering the capping layer and the organic light emitting diode, the inorganic material including at least one selected from the group consisting of CuI, thallium iodide (TlI), BaS, Cu2O, CuO, BiI, WO3, TiO2, AgI, CdI2, HgI2, SnI2, PbI2, BiI3, ZnI2, MoO3, Ag2O, CdO, CoO, Pr2O3, SnS, PbS, CdS, CaS, ZnS, ZnTe, PbTe, CdTe, SnSe, PbSe, CdSe, AlAs, GaAs, InAs, GaP, InP, AlP, AlSb, GaSb, and InSb.

公开(公告)号：US09768413B2

公开(公告)日：2017-09-19

申请号：US14991836

申请日：2016-01-08

Applicant: Samsung Display Co., Ltd.

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

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

CPC classification number: H01L51/5253 ,  H01L27/3244 ,  H01L51/5234 ,  H01L51/5281 ,  H01L2251/301 ,  H01L2251/558

Abstract: An organic light emitting diode (OLED) display according to the present disclosure includes a substrate, a thin film transistor on the substrate, a first electrode on the thin film transistor and electrically coupled to the thin film transistor, an organic emission layer on the first electrode, a second electrode on the organic emission layer, and a capping layer on the second electrode, wherein a thickness of the second electrode is about 65 Å to about 125 Å, and wherein a thickness of the capping layer is about (500*1.88/n) Å to about (700*1.88/n) Å, n being an optical constant of the capping layer.