公开(公告)号：US10170722B2

公开(公告)日：2019-01-01

申请号：US14633365

申请日：2015-02-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eungdo Kim ,  Dongchan Kim ,  Wonjong Kim ,  Dongkyu Seo ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho ,  Changwoong Chu

IPC: H01L51/50 ,  H01L51/00

Abstract: Provided is an organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including a low work function metal compound.

公开(公告)号：US12215066B2

公开(公告)日：2025-02-04

申请号：US17674751

申请日：2022-02-17

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu Yoon ,  Dongkyu Seo ,  Junyong Shin ,  Byeongwook Yoo ,  Daeho Lee ,  Byungseok Lee

IPC: H01L29/08 ,  C07C209/86 ,  C07C211/49 ,  C07C211/57 ,  C07C211/61 ,  C07D235/18 ,  C07D239/26 ,  C07D249/08 ,  C07D251/24 ,  C07D307/91 ,  C07D401/04 ,  C07D401/12 ,  C07D401/14 ,  C07D403/14 ,  C07D405/12 ,  C07D409/12 ,  C07D471/04 ,  C07D487/14 ,  C07F5/06 ,  H10K30/20 ,  H10K30/81 ,  H10K65/00 ,  H10K85/20

Abstract: An organic photodetector includes: a first electrode; a second electrode facing the first electrode; an activation layer between the first electrode and the second electrode; a hole injection layer between the first electrode and the activation layer; and a hole transport layer between the hole injection layer and the activation layer, wherein the hole transport layer includes: a first hole transport layer including a p-dopant; and a second hole transport layer not including a p-dopant.

公开(公告)号：US11706939B2

公开(公告)日：2023-07-18

申请号：US16684325

申请日：2019-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Dongkyu Seo ,  Wonjong Kim ,  Yeongrong Park ,  Hyeongpil Kim ,  Junghee An ,  Byeongwook Yoo ,  Byungseok Lee

IPC: H01L51/00 ,  H10K50/818 ,  H10K50/82 ,  H10K50/115 ,  H10K50/84 ,  H10K85/30

CPC classification number: H10K50/818 ,  H10K50/115 ,  H10K50/82 ,  H10K50/841 ,  H10K85/351

Abstract: A luminescence device includes a first electrode, a first emission portion disposed on the first electrode, a second electrode disposed on the first emission portion, and a capping layer disposed on the second electrode and including a metal atom and a metal halide compound, wherein the metal atom is a lanthanide metal, a transition metal, or a post-transition metal and the metal halide compound is formed by combining an alkali metal atom and a halogen atom.

公开(公告)号：US11706937B2

公开(公告)日：2023-07-18

申请号：US17088178

申请日：2020-11-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeongpil Kim ,  Wonjong Kim ,  Yeongrong Park ,  Dongkyu Seo ,  Junyong Shin ,  Junghee An ,  Byeongwook Yoo ,  Daeho Lee ,  Byungseok Lee

IPC: H01L51/50 ,  H10K50/13 ,  H10K50/19 ,  H10K50/155 ,  H10K50/15 ,  H10K85/60 ,  H10K101/30 ,  H10K102/00

CPC classification number: H10K50/131 ,  H10K50/155 ,  H10K50/156 ,  H10K50/19 ,  H10K85/615 ,  H10K85/622 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K2101/30 ,  H10K2102/351

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode, each emission unit including at least one emission layer; and m−1 charge generating layers respectively located between two adjacent emission units among them emission units, each of the charge generating layers including one n-type charge generating region and one p-type charge generating region, wherein m is an integer of 2 or more, and at least one of the m−1 p-type charge generating regions includes a phosphate-containing compound.

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：US11114620B2

公开(公告)日：2021-09-07

申请号：US16206969

申请日：2018-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Yoonhyeung Cho ,  Hyungseok Jang ,  Dongchan Kim ,  Wonjong Kim ,  Jiyoung Moon ,  Yeongrong Park ,  Dongkyu Seo ,  Myungchul Yeo ,  Jihye Lee

IPC: H01L51/50 ,  H01L51/00 ,  C07F5/02 ,  H01L51/52

Abstract: Disclosed is an organic light-emitting diode device including: a first electrode; a second electrode disposed opposite to the first electrode; m light-emitting units (where m is an integer of 2 or more) disposed between the first electrode and the second electrode, and including at least one light-emitting layer; and m-1 charge generation layers each interposed between two adjacent light-emitting units of the m light-emitting units; wherein at least one of the m-1 charge generation layers includes a compound for a charge generation layer, which includes a boron-containing compound bonded to a metal halide by a one-electron sigma bond.