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公开(公告)号：US11038136B2
公开(公告)日：2021-06-15
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
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.
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公开(公告)号：US10818858B2
公开(公告)日：2020-10-27
申请号：US16058176
申请日：2018-08-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Tae Ho Kim , Chan Su Kim , Kun Su Park , Eun Joo Jang , Sung Woo Kim , Hongkyu Seo
Abstract: An electroluminescent device and a display device including the same are disclosed. The electroluminescent device includes a first electrode, an electron transport layer disposed on the first electrode and including inorganic oxide particles, a self-assembled monolayer disposed on the electron transport layer, an emission layer disposed on the self-assembled monolayer and including light emitting particles, a hole transport layer disposed on the emission layer, and a second electrode disposed on the hole transport layer.
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Patent Agency Ranking
公开(公告)号：US10396306B2
公开(公告)日：2019-08-27
申请号：US15970252
申请日：2018-05-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sung Woo Kim , Tae Ho Kim , Kun Su Park , Chan Su Kim , Eun Joo Jang
IPC: H01L51/54 , H01L51/50 , G09G3/3208 , H05B33/20 , H01L51/52
Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same are disclosed. The electroluminescent device electroluminescent device includes a first electrode; a hole transport layer disposed on the first electrode; an emission layer disposed on the hole transport layer and including at least two light emitting particles; a first electron transport layer disposed on the emission layer and including at least two inorganic-organic composite particles; a second electron transport layer disposed on the first electron transport layer and including at least two inorganic oxide particles; and a second electrode disposed on the second electron transport layer, wherein the first electron transport layer has a lower work function than the second electron transport layer.
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公开(公告)号：US11910629B2
公开(公告)日：2024-02-20
申请号：US18076495
申请日：2022-12-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chan Su Kim , Kun Su Park , Tae Ho Kim , Eun Joo Jang , Dae Young Chung
IPC: H01L51/52 , H01L27/32 , H10K50/115 , H10K50/15 , H10K50/155 , H10K71/00 , H10K71/13 , H10K102/00
CPC classification number: H10K50/115 , H10K50/15 , H10K50/155 , H10K50/156 , H10K71/00 , H10K71/135 , H10K2102/331
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 nanometers (nm) and an organic ligand, a method of manufacturing the light emitting device, and a display device including the same.
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15.发明授权公开(公告)号：US11233211B2
公开(公告)日：2022-01-25
申请号：US16351654
申请日：2019-03-13
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
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.
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公开(公告)号：US20210066634A1
公开(公告)日：2021-03-04
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: H01L51/50
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 meal oxide nanoparticle to have a concentration gradient of the dopant metal.
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公开(公告)号：US10535829B1
公开(公告)日：2020-01-14
申请号：US16203666
申请日：2018-11-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chan Su Kim , Tae Ho Kim , Kun Su Park , Sung Woo Kim , Eun Joo Jang
Abstract: A quantum dot device including an anode and a cathode facing each other, a quantum dot layer between the anode and the cathode and electron auxiliary layer between the quantum dot layer and the cathode, wherein the electron auxiliary layer includes at least one nanoparticle represented by Chemical Formula 1 and at least one metal halide represented by Chemical Formula 2, and a display device. Zn1-xMxO Chemical Formula 1 Q+X− Chemical Formula 2
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