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公开(公告)号：US20210091325A1
公开(公告)日：2021-03-25
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
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.
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公开(公告)号：US20190198796A1
公开(公告)日：2019-06-27
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: H01L51/50 , G09G3/3208 , H01L51/52 , H05B33/20
CPC classification number: H01L51/5072 , G09G3/3208 , H01L51/5024 , H01L51/504 , H01L51/5056 , H01L51/5076 , H01L51/508 , H01L51/5203 , H01L2251/5369 , H05B33/20
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：US20230118092A1
公开(公告)日：2023-04-20
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
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.
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公开(公告)号：US20210273190A1
公开(公告)日：2021-09-02
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
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：US20200083450A1
公开(公告)日：2020-03-12
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: H01L51/00
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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Patent Agency Ranking
公开(公告)号：US20200035935A1
公开(公告)日：2020-01-30
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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公开(公告)号：US20190296255A1
公开(公告)日：2019-09-26
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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公开(公告)号：US20190288230A1
公开(公告)日：2019-09-19
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
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.
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9.发明申请公开(公告)号：US20240381682A1
公开(公告)日：2024-11-14
申请号：US18661790
申请日：2024-05-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sung Woo KIM , You Jung CHUNG , Dongchan KIM , Enjung KIM , Chan Su KIM , Hong Kyu SEO , ILYOUNG LEE , Sungwoo HWANG
IPC: H10K50/115 , C01G9/02 , H10K50/16 , H10K71/12
Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same are provided. The method of manufacturing the electroluminescent device comprises disposing a light emitting layer including a semiconductor nanoparticle on a first electrode; depositing a composition including a zinc oxide nanoparticle containing a first metal onto the light emitting layer to provide an electron transport layer; and disposing a second electrode on the electron transport layer to provide the electroluminescent device. The first metal includes an alkaline earth metal, zirconium, tungsten, titanium, yttrium, aluminum, gallium, indium, tin, cobalt, vanadium, or a combination thereof. The zinc oxide nanoparticle has a particle size of 1 nanometer or more and 50 nanometers or less. Preparation of the zinc oxide nanoparticle includes contacting a first metal precursor, a zinc precursor, a base, and a metal carbonate in an organic solvent to form the zinc oxide nanoparticle.
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公开(公告)号：US20240224796A1
公开(公告)日：2024-07-04
申请号：US18600030
申请日：2024-03-08
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.
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