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：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：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：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.

公开(公告)号：US20170025631A1

公开(公告)日：2017-01-26

申请号：US15080518

申请日：2016-03-24

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

CPC classification number: H01L51/5092

Abstract: An organic light emitting element according to an example embodiment of the present disclosure includes: an anode and a cathode facing each other; an emission layer between the anode and the cathode; an electron transfer layer between the emission layer and the cathode; and a buffer layer between the cathode and the electron transfer layer, wherein the buffer layer includes an inorganic metal halide having p-type semiconductor characteristics.

Abstract translation: 根据本公开的示例性实施例的有机发光元件包括：彼此面对的阳极和阴极; 阳极和阴极之间的发射层; 发射层和阴极之间的电子转移层; 以及在阴极和电子转移层之间的缓冲层，其中缓冲层包括具有p型半导体特性的无机金属卤化物。

公开(公告)号：US20160351819A1

公开(公告)日：2016-12-01

申请号：US15004638

申请日：2016-01-22

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  H01L27/32

CPC classification number: H01L51/0061 ,  H01L27/3206 ,  H01L27/3248 ,  H01L51/0059 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5088

Abstract: An organic light emitting diode includes: a first electrode and a second electrode that face each other; a middle layer on the first electrode; a hole transport layer on the middle layer; and an emission layer between the hole transport layer and the second electrode, wherein the middle layer includes a bipolar material formed by combining a first material including at least selected from a group 1 element, a group 2 element, a lanthanide metal, with a second material including a halogen element.

Abstract translation: 有机发光二极管包括：彼此面对的第一电极和第二电极; 第一电极上的中间层; 中间层上的空穴传输层; 以及空穴传输层和第二电极之间的发射层，其中中间层包括通过将包含至少选自第1族元素，第2族元素，镧系金属的第一材料与第二种 材料包括卤素元素。

公开(公告)号：US09466815B2

公开(公告)日：2016-10-11

申请号：US14308861

申请日：2014-06-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Koo Chung ,  Kyung Ho Kim ,  Sang Hoon Yim

IPC: H01L33/10 ,  H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5271 ,  H01L27/3244 ,  H01L2251/5315

Abstract: An organic light emitting diode display includes a display substrate including a first substrate and a plurality of pixel light emitting units on the first substrate, and an encapsulation substrate including a second substrate facing the display substrate, and a main reflecting member on the second substrate, the main reflecting member including a light emitting opening at a position corresponding to at least one of the pixel light emitting units, and an auxiliary opening dividing the main reflecting member into a plurality of sub-reflecting members.

Abstract translation: 有机发光二极管显示器包括：显示基板，包括第一基板和第一基板上的多个像素发光单元;以及封装基板，包括面向显示基板的第二基板和第二基板上的主反射部件， 所述主反射部件包括在与所述像素发光单元中的至少一个对应的位置处的发光开口，以及将所述主反射部件分割成多个副反射部件的辅助开口。

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.