公开(公告)号：US12016190B2

公开(公告)日：2024-06-18

申请号：US17318460

申请日：2021-05-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moon Gyu Han ,  Dae Young Chung ,  Kwanghee Kim ,  Eun Joo Jang ,  Chan Su Kim ,  Kun Su Park ,  Won Sik Yoon

IPC: H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K71/00 ,  H10K85/60 ,  H10K101/00 ,  H10K102/00

CPC classification number: H10K50/115 ,  H10K50/15 ,  H10K50/157 ,  H10K50/167 ,  H10K71/00 ,  H10K85/631 ,  H10K85/633 ,  H10K50/16 ,  H10K2101/00 ,  H10K2102/331

Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode and including a plurality of quantum dots and a first hole transporting material having a substituted or unsubstituted C4 to C20 alkyl group attached to a backbone structure; a hole transport layer disposed between the emission layer and the first electrode and including a second hole transporting material; and an electron transport layer disposed between the emission layer and the second electrode.

公开(公告)号：US11011673B2

公开(公告)日：2021-05-18

申请号：US16442926

申请日：2019-06-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01L33/06 ,  H01L33/00 ,  H01L33/28

Abstract: A quantum dot device including a first electrode and a second electrode facing each other, a quantum dot layer disposed between the first electrode and the second electrode and an electron auxiliary layer disposed between the quantum dot layer and the second electrode, wherein the electron auxiliary layer includes an electron-transporting material represented by Chemical Formula 1 and an electron-controlling material capable of decreasing electron mobility of the electron auxiliary layer, and a display device. Zn1-xMxO  Chemical Formula 1 In Chemical Formula 1, M and x are the same as described in the detailed description.

公开(公告)号：US20200212333A1

公开(公告)日：2020-07-02

申请号：US16811637

申请日：2020-03-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moon Gyu Han ,  Dae Young Chung ,  Kwanghee Kim ,  Eun Joo Jang ,  Chan Su Kim ,  Kun Su Park ,  Won Sik Yoon

IPC: H01L51/50 ,  H01L51/56

Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode and including a plurality of quantum dots and a first hole transporting material having a substituted or unsubstituted C4 to C20 alkyl group attached to a backbone structure; a hole transport layer disposed between the emission layer and the first electrode and including a second hole transporting material; and an electron transport layer disposed between the emission layer and the second electrode.

公开(公告)号：US11957046B2

公开(公告)日：2024-04-09

申请号：US16562601

申请日：2019-09-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moon Gyu Han ,  Dae Young Chung ,  Kwanghee Kim ,  Eun Joo Jang ,  Chan Su Kim ,  Kun Su Park ,  Won Sik Yoon

IPC: H10K85/60 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K71/00 ,  H10K71/12 ,  H10K102/00

CPC classification number: H10K85/633 ,  H10K85/6572 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K71/00 ,  H10K71/12 ,  H10K2102/331 ,  H10K2102/351

Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode and including a plurality of quantum dots and a first hole transporting material having a substituted or unsubstituted C4 to C20 alkyl group attached to a backbone structure; a hole transport layer disposed between the emission layer and the first electrode and including a second hole transporting material; and an electron transport layer disposed between the emission layer and the second electrode.

公开(公告)号：US11765918B2

公开(公告)日：2023-09-19

申请号：US17007021

申请日：2020-08-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kun Su Park ,  Chan Su Kim ,  Kwanghee Kim ,  Eun Joo Jang

IPC: H10K50/115 ,  H10K50/16 ,  H10K50/17 ,  H10K102/00

CPC classification number: H10K50/115 ,  H10K50/16 ,  H10K50/171 ,  H10K2102/00

Abstract: A light emitting device includes an emission layer including a plurality of quantum dots, and an electron auxiliary layer disposed on the emission layer, the electron auxiliary layer to transport electrons to the emission layer, wherein the electron auxiliary layer includes a plurality of metal oxide nanoparticles, wherein the metal oxide nanoparticles include zinc and a dopant metal, wherein the dopant metal includes Mg, Mn, Ni, Sn, Al, Y, Ga, Zr, Ni, Li, Co, or a combination thereof, wherein the dopant metal in at least one of the metal oxide nanoparticles is included in the metal oxide nanoparticle to have a concentration gradient of the dopant metal.

公开(公告)号：US11532800B2

公开(公告)日：2022-12-20

申请号：US17008779

申请日：2020-09-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

Abstract: A light emitting device including a first electrode, a second electrode, a quantum dot layer disposed between the first electrode and the second electrode and a first auxiliary layer disposed between the quantum dot layer and the first electrode, wherein the first auxiliary layer includes nickel oxide nanoparticles having an average particle diameter of less than or equal to about 10 nanometers (nm) and an organic ligand, a method of manufacturing the light emitting device, and a display device including the same.

公开(公告)号：US11050033B2

公开(公告)日：2021-06-29

申请号：US16391692

申请日：2019-04-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kwanghee Kim ,  Oul Cho ,  Chan Su Kim ,  Tae Hyung Kim ,  Eun Joo Jang ,  Moon Gyu Han

IPC: H01L51/50 ,  C09K11/88 ,  H01L51/56 ,  C09K11/08 ,  C09K11/59 ,  C09K11/56 ,  C09K11/54 ,  C09K11/62 ,  C09K11/55 ,  C09K11/74 ,  C09K11/89 ,  C09K11/66 ,  C09K11/65 ,  C09K11/61 ,  C09K11/70 ,  C09K11/64

Abstract: A light emitting film including a plurality of quantum dots and an electronic device including the same. The plurality of quantum dots constitute at least a portion of a surface of the light emitting film, the plurality of quantum dots do not include cadmium, and the at least a portion of a surface of the light emitting film includes a metal halide bound to at least one quantum dot of the plurality of quantum dots.

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：US12114518B2

公开(公告)日：2024-10-08

申请号：US17511706

申请日：2021-10-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Woo Kim ,  Chan Su Kim ,  Tae Ho Kim ,  Kun Su Park ,  Eun Joo Jang ,  Jin A Kim ,  Tae Hyung Kim ,  Jeong Hee Lee

IPC: H10K50/11 ,  H10K30/10 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K85/60

CPC classification number: H10K50/11 ,  H10K30/10 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K85/649

Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode, the emission layer including light emitting particles; an electron transport layer disposed between the first electrode and the emission layer; and a hole transport layer disposed between the second electrode and the emission layer, wherein the electron transport layer includes inorganic oxide particles and a metal-organic compound, the metal-organic compound or a thermal decomposition product of the metal-organic compound being soluble a non-polar solvent.

公开(公告)号：US11591515B2

公开(公告)日：2023-02-28

申请号：US16427561

申请日：2019-05-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tae Ho Kim ,  Chan Su Kim ,  Jaejun Chang ,  Eun Joo Jang ,  Hongkyu Seo

IPC: C09K11/06 ,  H01L51/00 ,  H01L51/50 ,  H01L33/06 ,  C09K11/02 ,  B82Y20/00

Abstract: A semiconductor nanocrystal-ligand composite that includes a semiconductor nanocrystal and a ligand layer including an organic ligand coordinated on the surface of the semiconductor nanocrystal, wherein the organic ligand includes a moiety having a conjugation structure, and a first functional group (X) and a second functional group (Y) linked to the moiety having a conjugation structure, wherein the first functional group (X) is bound to the surface of the semiconductor nanocrystal and the second functional group (Y) is present at an ortho position with respect to the first functional group (X).