公开(公告)号：US20220006036A1

公开(公告)日：2022-01-06

申请号：US17358905

申请日：2021-06-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongkyu SEO ,  Kwanghee KIM ,  Eun Joo JANG ,  Won Sik YOON ,  Tae Hyung KIM ,  Tae Ho KIM

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

Abstract: Light emitting device, method of manufacturing the light emitting device, and display device including the light emitting device are disclosed. The light emitting device includes a first electrode and a second electrode each having a surface opposite the other, a light emitting layer including quantum dots that is disposed between the first electrode and the second electrode, and an electron auxiliary layer disposed between the light emitting layer and the second electrode, wherein the electron auxiliary layer includes metal oxide nanoparticles including an anion of an organic acid bound to a surface of the metal oxide nanoparticle.

公开(公告)号：US20210395611A1

公开(公告)日：2021-12-23

申请号：US17308344

申请日：2021-05-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kwanghee KIM ,  Tae Hyung KIM ,  Hongkyu SEO ,  Won Sik YOON ,  Jaeyong LEE ,  Eun Joo JANG ,  Oul CHO

IPC: C09K11/88 ,  C09K11/70

Abstract: A semiconductor nanocrystal including an anion of an inorganic metal salt and a first organic ligand bound to a surface of the semiconductor nanocrystal, wherein the first organic ligand includes a substituted or unsubstituted C6 to C30 aromatic ring group and a carboxylate, a substituted or unsubstituted C3 to C30 aromatic hetero cyclic group and a carboxylate, or a combination thereof.

公开(公告)号：US20210226145A1

公开(公告)日：2021-07-22

申请号：US17205015

申请日：2021-03-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae Young CHUNG ,  Kwanghee KIM ,  Hongkyu SEO ,  Eun Joo JANG ,  Oul CHO ,  Tae Hyung KIM ,  Yuho WON ,  Hee Jae LEE

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

Abstract: A light emitting device, a method of manufacturing the same, and a display device including the same are disclosed. The 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, the emission layer including quantum dots, and a charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer includes a first surface facing the charge auxiliary layer and an opposite second surface, the quantum dots include a first organic ligand on a surface of the quantum dots, in the emission layer, an amount of the first organic ligand in a portion adjacent to the first surface is larger than an amount of the first organic ligand in a portion adjacent to the second surface.

公开(公告)号：US20210135138A1

公开(公告)日：2021-05-06

申请号：US17085167

申请日：2020-10-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kwanghee KIM ,  Moon Gyu HAN ,  Eun Joo JANG ,  Hyo Sook JANG

IPC: H01L51/50 ,  H01L51/56 ,  C09K11/88 ,  C09K11/02

Abstract: A light emitting device including a first electrode and a second electrode spaced from each other, and, a light emitting film between the first electrode and the second electrode, wherein the light emitting film has a first surface facing the second electrode and a second surface opposite thereto, the light emitting film includes a quantum dot layer including a plurality of quantum dots and a matrix including a metal chalcogenide, the plurality of quantum dots includes selenium, the matrix covers at least a portion of the quantum dot layer, the metal chalcogenide comprises zinc and sulfur, and in an X-ray photoelectron spectroscopic analysis of the first surface of the light emitting film, a mole ratio of zinc with respect to selenium is greater than or equal to about 2:1 and a mole ratio of sulfur with respect to selenium is greater than or equal to about 1.1:1.

公开(公告)号：US20200263083A1

公开(公告)日：2020-08-20

申请号：US16791327

申请日：2020-02-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Hyung KIM ,  Kwanghee KIM ,  Eun Joo JANG ,  Dae Young CHUNG ,  Sujin PARK

IPC: C09K11/02 ,  C09K11/88

Abstract: Quantum dots including semiconductor nanocrystals, methods of producing the same, and quantum dot solutions and electronic devices including the same. The quantum dots do not include cadmium, lead, or a combination thereof. The quantum dots include an organic ligand and a halogen on the surfaces, and the quantum dots are dispersible in an organic solvent to form organic solutions.

公开(公告)号：US20200083470A1

公开(公告)日：2020-03-12

申请号：US16549472

申请日：2019-08-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae Young CHUNG ,  Kwanghee KIM ,  Hongkyu SEO ,  Eun Joo JANG ,  Oul CHO ,  Tae Hyung KIM ,  Yuho WON ,  Hee Jae LEE

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

Abstract: A light emitting device, a method of manufacturing the same, and a display device including the same are disclosed. The 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, the emission layer including quantum dots, and a charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer includes a first surface facing the charge auxiliary layer and an opposite second surface, the quantum dots include a first organic ligand on a surface of the quantum dots, in the emission layer, an amount of the first organic ligand in a portion adjacent to the first surface is larger than an amount of the first organic ligand in a portion adjacent to the second surface.

公开(公告)号：US20190326533A1

公开(公告)日：2019-10-24

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

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：US20190281604A1

公开(公告)日：2019-09-12

申请号：US16296542

申请日：2019-03-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kwanghee KIM ,  Jiyeon LEE ,  Sunggi BAEK ,  Jongphil LEE ,  Gwangho LEE ,  Changhun LEE ,  Janghoon LEE

IPC: H04W72/04 ,  H04W72/12

Abstract: An electronic device including a communication circuitry, a processor, and a memory is provided. The processor of the electronic device receives a user equipment (UE) capability enquiry that includes information indicating the number of carrier aggregation (CA) combinations associated with a network from the network using the communication circuitry and determines UE capability information based on at least one of the number of default CA combinations of the electronic device, the number of CA combinations of a region associated with the network, the number of CA combinations of a country associated with the network, the number of CA combinations corresponding to a supported frequency band of a mobile network operator (MNO) associated with the network, and the number of CA combinations associated with the network.

公开(公告)号：US20170133469A1

公开(公告)日：2017-05-11

申请号：US15236564

申请日：2016-08-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yun Sung WOO ,  Hiesang SOHN ,  Weonho SHIN ,  Eun-Hyoung CHO ,  Chan KWAK ,  Hyeon Cheol PARK ,  Youngjin CHO ,  Dong-Su KO ,  Woong KO ,  Kwanghee KIM

IPC: H01L29/16 ,  H01L29/167

CPC classification number: H01L29/1606 ,  H01L29/167 ,  H01L29/41 ,  H01L29/413 ,  H01L29/43 ,  H01L29/45 ,  H01L31/022466 ,  H01L33/42

Abstract: A transparent electrode including: a substrate; a first layer disposed on the substrate, the first layer including a graphene mesh structure, the graphene mesh structure including graphene and a plurality of holes; and a second layer disposed on the first layer, wherein the second layer includes a plurality of conductive nanowires.

公开(公告)号：US20170125136A1

公开(公告)日：2017-05-04

申请号：US15343541

申请日：2016-11-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyeon Cheol PARK ,  Youngjin CHO ,  Daejin YANG ,  Chan KWAK ,  Kwanghee KIM ,  Weonho SHIN ,  Yun Sung WOO

IPC: H01B1/22 ,  H01L31/0224 ,  H01L29/43 ,  H01B3/44

CPC classification number: H01B1/22 ,  G06F3/041 ,  G06F2203/04103 ,  H01B3/447 ,  H01L29/43 ,  H01L31/022466 ,  H01L51/0021 ,  H01L51/003 ,  H01L51/0045 ,  H01L51/0097 ,  H01L51/442

Abstract: A transparent electrode including: a first layer including a thermosetting copolymer including a first repeating unit having an aromatic moiety as a pendant group or incorporated in a backbone of the copolymer and a second repeating unit capable of lowering a curing temperature, a combination of a first polymer including the first repeating unit and a second polymer including the second repeating unit, or a combination thereof; a second layer disposed directly on one side of the first layer, wherein the second layer includes graphene; and a third layer disposed on the second layer, wherein the third layer includes an electrically conductive metal nanowire.