公开(公告)号：US11171291B2

公开(公告)日：2021-11-09

申请号：US16372861

申请日：2019-04-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Won Sik Yoon ,  Moon Gyu Han ,  Tae Ho Kim ,  Eun Joo Jang ,  Hongkyu Seo

IPC: H01L51/50 ,  H01L51/00 ,  H01L51/56 ,  H01L51/52

Abstract: An electroluminescent device and including a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a quantum dot and a first electron transporting material represented by Chemical Formula 1; a hole transport layer disposed between the emission layer and the first electrode; and an electron transport layer disposed between the emission layer and the second electrode: wherein, the definitions of groups and variables in Chemical Formula 1 are the same as described in the specification.

公开(公告)号：US10854836B2

公开(公告)日：2020-12-01

申请号：US16530253

申请日：2019-08-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Ho Kim ,  Won Sik Yoon ,  Jeong Hee Lee ,  Eun Joo Jang ,  Oul Cho

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  H01L27/32

Abstract: A light emitting device includes: a first electrode and a second electrode facing each other, an emissive layer disposed between the first electrode and the second electrode and including a quantum dot, an electron auxiliary layer disposed between the emissive layer and the second electrode and including a plurality of nanoparticles, and a polymer layer between a portion of the second electrode and the electron auxiliary layer, wherein the nanoparticles include a metal oxide including zinc, wherein the second electrode has a first surface facing a surface of the electron auxiliary layer and a second surface opposite to the first surface, and the polymer layer is disposed on a portion of the second surface and a portion of the surface of the electron auxiliary layer, and wherein the polymer layer includes a polymerization product of a thiol compound and an unsaturated compound having at least two carbon-carbon unsaturated bonds.

公开(公告)号：US10749130B2

公开(公告)日：2020-08-18

申请号：US16038752

申请日：2018-07-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chan Su Kim ,  Tae Ho Kim ,  Kun Su Park ,  Eun Joo Jang

IPC: H01L51/52 ,  H01L51/50 ,  H01L51/56

Abstract: An electroluminescent device comprising a first electrode; a hole transport layer disposed on the first electrode; an emission layer disposed on the hole transport layer and comprising a plurality of light emitting particles; an electron transport layer disposed on the emission layer and comprising a metal oxide particle-organic polymer composite comprising a plurality of metal oxide particles and an organic polymer; and a second electrode disposed on the electron transport layer, wherein the organic polymer is present in the metal oxide particle-organic polymer composition in an amount of about 7 weight percent to about 30 weight percent based on a total weight of the electron transport layer.

公开(公告)号：US12173114B2

公开(公告)日：2024-12-24

申请号：US17559388

申请日：2021-12-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Norihito Ishii ,  Takahiro Fujiyama ,  Masashi Tsuji ,  Naotoshi Suganuma ,  Yusaku Konishi ,  Dae Young Chung ,  Eun Joo Jang ,  Ha Il Kwon ,  Hyo Sook Jang ,  Soonmin Cha ,  Tae Ho Kim ,  Fumiaki Kato

IPC: C08G61/12 ,  H10K85/10

Abstract: A copolymer, including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, or a combination thereof: wherein R1, R2, R3, X1, X2, and Ar1 are as provided herein.

公开(公告)号：US11939422B2

公开(公告)日：2024-03-26

申请号：US17544028

申请日：2021-12-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Masashi Tsuji ,  Fumiaki Kato ,  Naotoshi Suganuma ,  Takahiro Fujiyama ,  Yusaku Konishi ,  Dae Young Chung ,  Ha Il Kwon ,  Soonmin Cha ,  Tae Ho Kim

IPC: C08G61/12 ,  B82Y20/00 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K71/00 ,  H10K71/12 ,  H10K85/10 ,  H10K101/30 ,  H10K101/40 ,  H10K102/00

CPC classification number: C08G61/124 ,  H10K71/12 ,  H10K85/111 ,  H10K85/151 ,  B82Y20/00 ,  C08G2261/12 ,  C08G2261/1434 ,  C08G2261/148 ,  C08G2261/149 ,  C08G2261/3241 ,  C08G2261/512 ,  C08G2261/5222 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K71/00 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2102/00

Abstract: A copolymer including a structural unit represented by Chemical Formula 1




wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence device.

公开(公告)号：US11925043B2

公开(公告)日：2024-03-05

申请号：US17072436

申请日：2020-10-16

Applicant: SAMSUNG ELECTRONICS CO., LTD

Inventor： Moon Gyu Han ,  Heejae Lee ,  Eun Joo Jang ,  Tae Ho Kim ,  Kun Su Park ,  Won Sik Yoon ,  Hyo Sook Jang

IPC: H10K50/115 ,  H10K50/11 ,  H10K50/16 ,  H10K71/00 ,  H10K71/12 ,  H10K101/40 ,  H10K101/30

CPC classification number: H10K50/115 ,  H10K50/11 ,  H10K50/166 ,  H10K71/00 ,  H10K71/12 ,  H10K2101/30 ,  H10K2101/40

Abstract: A quantum dot light-emitting device including first electrode and a second electrode, a quantum dot layer between the first electrode and the second electrode, a first electron transport layer and a second electron layer disposed between the quantum dot layer and the second electrode. The second electron transport layer is disposed between the quantum dot layer and the first electron transport layer, wherein each of the first electron transport layer and the second electron transport layer includes an inorganic material. A lowest unoccupied molecular orbital energy level of the second electron transport layer is shallower than a lowest unoccupied molecular orbital energy level of the first electron transport layer, and a lowest unoccupied molecular orbital energy level of the quantum dot layer is shallower than a lowest unoccupied molecular orbital energy level of the second electron transport layer. An electronic device including the quantum dot light-emitting device.

公开(公告)号：US11532791B2

公开(公告)日：2022-12-20

申请号：US16791163

申请日：2020-02-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Ho Kim ,  Won Sik Yoon ,  Eun Joo Jang

IPC: H01L51/00 ,  C09K11/06 ,  H01L51/50 ,  H01L51/56

Abstract: A light emitting device including a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a plurality of quantum dots and metal carboxylate having at least one hydrocarbon group of at least one carbon atoms, and the plurality of quantum dots includes a first organic ligand, and does not include cadmium and lead, and a method of manufacturing the same.

公开(公告)号：US11495764B2

公开(公告)日：2022-11-08

申请号：US17026622

申请日：2020-09-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Ho Kim ,  Moon Gyu Han ,  Hongkyu Seo ,  Heejae Lee ,  Eun Joo Jang

IPC: H01L51/50 ,  C09K11/06 ,  H01L51/00

Abstract: An electroluminescent device and a display device including the same are disclosed, wherein the electroluminescent device includes a first electrode; a hole transport layer disposed on the first electrode; a light emitting layer including a first light emitting layer disposed on the hole transport layer, the first emitting layer including a first quantum dot, and a second light emitting layer including a second quantum dot and an n-type organic semiconductor, the second light emitting layer disposed on the first light emitting layer; an electron transport layer disposed on the second light emitting layer; and a second electrode disposed on the electron transport layer.

公开(公告)号：US11416213B2

公开(公告)日：2022-08-16

申请号：US16047142

申请日：2018-07-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Joo Yoo Kim ,  Jun Hui Kim ,  Ji Eun Kim ,  Tae Ho Kim ,  Dong Hyun Roh ,  Hyun Gi Ahn ,  Da Som Lee ,  Seung Eun Lee

IPC: G06F3/16 ,  G06F3/0488 ,  G06F9/451 ,  G06F3/04842 ,  G06F3/01

Abstract: An electronic device includes a microphone, a processor, and a memory. The memory stores an application for monitoring user information, and the memory stores instructions that, when executed by the processor, cause the electronic device to record a plurality of parameters associated with the user information in the application when a predefined event occurs to record a first parameter and the first parameter is not recorded in the application, to output a message for obtaining the first parameter, to receive a user response associated with the first parameter, to transmit data associated with the user response to an external server, to receive a first response from the external server, and to record the first parameter in the application by allowing the electronic device to have information about sequences of states of the electronic device. The first response includes information about sequences of states of the electronic device for recording the first parameter in the application.

公开(公告)号：US20200044173A1

公开(公告)日：2020-02-06

申请号：US16530253

申请日：2019-08-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Ho Kim ,  Won Sik Yoon ,  Jeong Hee Lee ,  Eun Joo Jang ,  Oul Cho

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56

Abstract: A light emitting device includes: a first electrode and a second electrode facing each other, an emissive layer disposed between the first electrode and the second electrode and including a quantum dot, an electron auxiliary layer disposed between the emissive layer and the second electrode and including a plurality of nanoparticles, and a polymer layer between a portion of the second electrode and the electron auxiliary layer, wherein the nanoparticles include a metal oxide including zinc, wherein the second electrode has a first surface facing a surface of the electron auxiliary layer and a second surface opposite to the first surface, and the polymer layer is disposed on a portion of the second surface and a portion of the surface of the electron auxiliary layer, and wherein the polymer layer includes a polymerization product of a thiol compound and an unsaturated compound having at least two carbon-carbon unsaturated bonds.