公开(公告)号：US10797250B2

公开(公告)日：2020-10-06

申请号：US16286327

申请日：2019-02-26

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Kim ,  Wonjong Kim ,  Dongkyu Seo ,  Myungchul Yeo ,  Hyungseok Jang ,  Yoonhyeung Cho

IPC: H01L51/00 ,  H01L33/04 ,  H01L33/50 ,  H01L33/60 ,  H01L51/50 ,  H01L51/52

Abstract: An electronic apparatus and a lighting apparatus are provided. The apparatus includes a light-emitting device that has an intermediate layer between two electrodes, wherein the intermediate layer includes an emission layer having a perovskite compound represented by one of the following formulas: 1) [A][B1n1B2(1-n1)][X]3, 2) [A]2[B1n2B2(1-n2)][X]4, 3) [A]3[B1n2B2(1-n2)]2[X]7, and 4) [A]4[B1n2B2(1-n2)]3[X]10, wherein, in Formula 1), A is at least one monovalent organic-cation, a monovalent inorganic cation, or any combination thereof, B1 is a Sm2+ ion, B2 is at least one divalent inorganic cation and does not include a Sm2+ ion, n1 is a real number satisfying 0

公开(公告)号：US10476036B2

公开(公告)日：2019-11-12

申请号：US15713407

申请日：2017-09-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jihye Lee ,  Dongchan Kim ,  Donghoon Kim ,  Wonjong Kim ,  Jiyoung Moon ,  Dongkyu Seo ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho ,  Wonsuk Han

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32 ,  H01L29/08 ,  H01L35/24 ,  H01L51/00

Abstract: An organic light emitting diode display device includes a substrate, an organic light emitting diode on the substrate and a capping layer on the organic light emitting diode. The capping layer includes metal iodide selected from alkali metal iodide and alkaline-earth metal iodide. The organic light emitting diode may have reduced driving voltage and improved luminous efficiency.

公开(公告)号：US20190280237A1

公开(公告)日：2019-09-12

申请号：US16417426

申请日：2019-05-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongkyu Seo ,  Dongchan Kim ,  Wonjong Kim ,  Eungdo Kim ,  Jihye Lee ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho ,  Wonsuk Han

IPC: H01L51/50

Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.

公开(公告)号：US20180294425A1

公开(公告)日：2018-10-11

申请号：US16005169

申请日：2018-06-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongkyu Seo ,  Dongchan Kim ,  Wonjong Kim ,  Eungdo Kim ,  Jihye Lee ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho ,  Wonsuk Han

IPC: H01L51/50 ,  H01L51/00 ,  H01L51/56

CPC classification number: H01L51/5044 ,  H01L51/005 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0065 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0077 ,  H01L51/0081 ,  H01L51/0084 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/0088 ,  H01L51/0092 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5088 ,  H01L51/5096 ,  H01L51/56 ,  H01L2251/301

Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.

公开(公告)号：US20180182991A1

公开(公告)日：2018-06-28

申请号：US15904286

申请日：2018-02-23

Applicant: Samsung Display Co., Ltd.

Inventor： Eungdo Kim ,  Dongchan Kim ,  Wonjong Kim ,  Dongkyu Seo ,  Dahea Im ,  Sanghoon Yim ,  Wonsuk Han

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

CPC classification number: H01L51/5072 ,  H01L51/0081 ,  H01L51/5084 ,  H01L51/5092 ,  H01L51/5221 ,  H01L51/5231 ,  H01L2251/301 ,  H01L2251/558

Abstract: An organic light-emitting device includes a substrate, an anode on the substrate, a hole transport region on the anode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a cathode on the electron transport region, wherein the electron transport region includes an electron injection layer including a first material including at least one of a halide of an alkali metal, and a second material including at least one of a lanthanide metal and a alkaline earth metal, and wherein the cathode contacts the electron injection layer and includes a first metal including at least one of silver, gold, platinum, copper, manganese, titanium, cobalt, nickel, and tungsten, and a second metal including at least one of a lanthanide metal and an alkaline earth metal, wherein an amount of the first metal is equal to or greater than that of the second metal.

公开(公告)号：US20180159083A1

公开(公告)日：2018-06-07

申请号：US15832010

申请日：2017-12-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Donghoon Kim ,  Dongchan Kim ,  Wonjong Kim ,  Wonmin Yun ,  Byoungduk Lee ,  Jihye Lee ,  Sanghoon Yim ,  Yoonhyeung Cho ,  Youngcheol Joo ,  Wonsuk Han

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5275 ,  H01L27/3244 ,  H01L27/3272 ,  H01L51/5253 ,  H01L51/5256

Abstract: An organic light emitting display device includes: a substrate; an organic light emitting element on the substrate; and a thin film encapsulation layer on the organic light emitting element. The thin film encapsulation layer includes a first thin film, a second thin film and a third thin film which are sequentially stacked therein, a refractive index of the second thin film is about 1.7 or greater, and a refractive index of the first thin film and a refractive index of the third thin film are greater than the refractive index of the second thin film by about 0.35 or greater.