公开(公告)号：US12225746B2

公开(公告)日：2025-02-11

申请号：US17515652

申请日：2021-11-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyo Sook Jang ,  Eun Joo Jang ,  Ilyoung Lee ,  Tae Ho Kim ,  Kun Su Park ,  Jun-Mo Yoo

IPC: H10K50/115 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/88 ,  H10K85/30

Abstract: A light emitting device and a production method thereof. The light emitting device includes a light emitting layer including a plurality of quantum dots, and an electron auxiliary layer disposed on the light emitting layer, the electron auxiliary layer configured to transport electrons, inject electrons into the light emitting layer, or a combination thereof, wherein the electron auxiliary layer includes a plurality of metal oxide nanoparticles and a nitrogen-containing metal complex. The metal oxide nanoparticles include zinc and optionally a dopant metal, the dopant metal includes Mg, Co, Ga, Ca, Zr, W, Li, Ti, Y, Al, Co, or a combination thereof and a mole ratio of nitrogen to zinc in the electron auxiliary layer is greater than or equal to about 0.001:1.

公开(公告)号：US12213333B2

公开(公告)日：2025-01-28

申请号：US18498727

申请日：2023-10-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongkyu Seo ,  Kwanghee Kim ,  Eun Joo Jang ,  Won Sik Yoon ,  Tae Hyung Kim ,  Tae Ho Kim

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

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：US11832468B2

公开(公告)日：2023-11-28

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: H10K50/16 ,  H10K71/00 ,  H10K85/60 ,  H10K50/115 ,  H10K102/00

CPC classification number: H10K50/16 ,  H10K71/00 ,  H10K85/60 ,  H10K50/115 ,  H10K2102/00 ,  H10K2102/331

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：US11812627B2

公开(公告)日：2023-11-07

申请号：US17512067

申请日：2021-10-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongkyu Seo ,  Eun Joo Jang ,  Moon Gyu Han ,  Tae Ho Kim ,  Dae Young Chung

IPC: H10K50/115 ,  C09K11/88 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/18 ,  H10K50/17 ,  H10K71/00 ,  B82Y20/00 ,  H10K101/40 ,  H10K101/30

CPC classification number: H10K50/115 ,  C09K11/883 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/167 ,  H10K50/171 ,  H10K50/18 ,  H10K71/00 ,  B82Y20/00 ,  H10K2101/30 ,  H10K2101/40

Abstract: A quantum dot device including an anode; a cathode disposed substantially opposite to the anode; a hole injection layer disposed on the anode between the anode and the cathode; a hole transport layer disposed on the hole injection layer between the hole injection layer and the cathode; and a quantum dot layer disposed on the hole transport layer between the hole transport layer and the cathode, wherein the quantum dot layer includes a plurality of quantum dots, wherein the hole transport layer includes a hole transport material and an electron transport material, and wherein a lowest unoccupied molecular orbital (LUMO) energy level of the electron transport material and a lowest unoccupied molecular orbital (LUMO) energy level of the quantum dot layer is about 0.5 electron volts or less.

公开(公告)号：US11793011B2

公开(公告)日：2023-10-17

申请号：US17387281

申请日：2021-07-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Woo Kim ,  Tae Ho Kim ,  Eun Joo Jang ,  Hongkyu Seo ,  Sang Jin Lee ,  Dae Young Chung ,  Oul Cho

IPC: H10K50/115 ,  H10K50/11 ,  H10K50/81 ,  H10K50/82 ,  H10K50/17 ,  H10K50/18 ,  H10K101/40 ,  H10K101/30 ,  H10K71/00 ,  H10K50/15 ,  H10K71/12 ,  H10K85/10 ,  H10K102/00

CPC classification number: H10K50/115 ,  H10K50/11 ,  H10K50/171 ,  H10K50/81 ,  H10K50/82 ,  H10K71/00 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K71/12 ,  H10K85/115 ,  H10K85/1135 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2102/00 ,  H10K2102/331 ,  H10K2102/351 ,  H10K2102/361

Abstract: A quantum dot device includes: a first electrode and a second electrode facing each other; a quantum dot layer between the first electrode and the second electrode, and an electron auxiliary layer between the quantum dot layer and the second electrode, the electron auxiliary layer including a first nanoparticle and a second nanoparticle which is larger than the first nanoparticle, wherein a work function of the first electrode is greater than a work function of the second electrode, and wherein a difference between a lowest unoccupied molecular orbital energy level of the quantum dot layer and a lowest unoccupied molecular orbital energy level of the electron auxiliary layer is less than about 1.1 electronvolts.

公开(公告)号：US11476434B2

公开(公告)日：2022-10-18

申请号：US17085923

申请日：2020-10-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Heejae Lee ,  Moon Gyu Han ,  Sung Woo Kim ,  Tae Ho Kim ,  Kun Su Park ,  Eun Joo Jang ,  Dae Young Chung

IPC: H01L51/50 ,  H01L51/00

Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other, and a light emitting layer disposed between the first electrode and the second electrode, where the light emitting layer includes a first light emitting layer including a first quantum dot and a second light emitting layer including a second quantum dot and an n-type metal oxide.

公开(公告)号：US11450826B2

公开(公告)日：2022-09-20

申请号：US17083832

申请日：2020-10-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01L33/26 ,  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：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：US10917552B2

公开(公告)日：2021-02-09

申请号：US15905031

申请日：2018-02-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： In Ji Jin ,  Hyuk Kang ,  Tae Ho Kim ,  Tae Gun Park ,  Gyu Cheol Choi

IPC: H04N5/232 ,  H04N5/272 ,  G06T11/60 ,  G06F3/01 ,  G06T3/40 ,  H04N5/235

Abstract: A photographing method using an external electronic device and an electronic device supporting the same are provided. The electronic device includes a communication circuit, a memory configured to store contents including a first image in which a virtual reality is realized, and a processor electrically connected to the communication circuit and the memory. The processor is configured to identify a first external electronic device that is around the electronic device, determine whether the first external electronic device can photograph a subject by using the first external electronic device, transmit a command to the first external electronic device through the communication circuit in response to a determination result that the first external electronic device can photograph the subject by using the camera, receive a second image photographed based on the command from the first external electronic device, and generate a third image based on the first image and the second image.

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.