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公开(公告)号：US20200067005A1
公开(公告)日：2020-02-27
申请号：US16233567
申请日：2018-12-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kun Su PARK , Kwanghee KIM , Tae Ho KIM , Eun Joo JANG , Won Sik YOON
Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same.The 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 light emitting particles, an electron transport layer disposed on the emission layer and including nanoparticles having electron transport capability, and a second electrode disposed on the electron transport layer, wherein at least a portion of the nanoparticles having electron transport capability include an inorganic oxide core represented by Chemical Formula 1, an organic ligand attached to a surface of the inorganic oxide core, and a metal-organic compound chemically bound to the surface of the inorganic oxide core. MxOy Chemical Formula 1
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12.发明申请公开(公告)号：US20190235094A1
公开(公告)日：2019-08-01
申请号：US15882055
申请日：2018-01-29
Inventor： Kwanghee KIM , Yehonadav BEKENSTEIN , Yong Chul KIM , Paul ALIVISATOS , In Taek HAN
IPC: G01T1/202
CPC classification number: G01T1/2023 , H01L27/14663
Abstract: A light converting nanoparticle represented by Chemical Formula 1, AXx Chemical Formula 1 wherein, in Chemical Formula 1, A comprises an alkaline metal element, an alkaline-earth metal element, or a combination thereof, X comprises a halogen element, and x is 1 or 2 and is selected such that Chemical Formula 1 is electrically neutral, and a dopant substituted for a portion of A, wherein the dopant comprises Tl+, In+, Pb2+, Bi3+, Ag+, Cu+, Eu2+, Mn2+, or a combination thereof, wherein a content of the dopant is less than 15 mole percent, based on a total moles of A, wherein the light converting nanoparticle has a particle diameter of less than or equal to about 100 nanometers, and the light converting nanoparticle has a structure, cubic structure, an orthorhombic structure, a rhombic dodecahedron structure, or a combination thereof.
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公开(公告)号：US20160180983A1
公开(公告)日：2016-06-23
申请号：US14887915
申请日：2015-10-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jinyoung HWANG , Kwanghee KIM , Chan KWAK , Hyeon Cheol PARK , Weonho SHIN , Yun Sung WOO , Jae-Young CHOI , Sungjin KIM , Hyosug LEE
CPC classification number: H01B1/22
Abstract: A transparent electrode including: a substrate; an undercoat disposed on the substrate; a conductive film disposed on the undercoat and including a plurality of conductive metal nanowires and a carboxyl group-containing cellulose; and an overcoat disposed on the conductive film. Also an electronic device including the transparent electrode.
Abstract translation: 1.一种透明电极，包括：基板; 设置在基板上的底涂层; 导电膜设置在底涂层上并且包括多个导电金属纳米线和含羧基的纤维素; 和设置在导电膜上的外涂层。 还有一种包括透明电极的电子器件。
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公开(公告)号：US20230121042A1
公开(公告)日：2023-04-20
申请号：US17966926
申请日：2022-10-17
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kwanghee KIM , Taehyung KIM , Hong Kyu SEO , Wonsik YOON , Eun Joo JANG
Abstract: An electroluminescent device including a first electrode; a second electrode; a light emitting layer disposed between the first electrode and the second electrode; and an electron transport layer disposed between the light emitting layer and the second electrode, wherein the light emitting layer includes semiconductor nanoparticles, wherein the electron transport layer includes a plurality of metal oxide nanoparticles, and wherein the electron transport layer further includes a polycarboxylic acid compound and a halogen.
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公开(公告)号：US20230096217A1
公开(公告)日：2023-03-30
申请号：US17893254
申请日：2022-08-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Won Sik YOON , Kwanghee KIM , Tae Hyung KIM , Eun Joo JANG , Enjung KIM , Dae-Hee LEE
Abstract: An electroluminescent device including a first electrode, a second electrode, and a light emitting layer disposed between the first electrode and the second electrode, the light emitting layer including semiconductor nanoparticle(s), wherein the semiconductor nanoparticle(s) does not include cadmium, wherein the semiconductor nanoparticle(s) includes a polycyclic organic ligand including functional group linked to a C6-50 condensed aromatic group, the functional group configured to link to the semiconductor nanoparticle(s), and the C6-50 condensed aromatic group including at least three cyclic moieties that includes a first aromatic ring and a second aromatic ring, and the first aromatic ring shares two carbon atoms with a first adjacent cyclic moiety and the second aromatic ring shares two carbon atoms with the first adjacent cyclic moiety, or the second aromatic ring shares two carbon atoms with a second adjacent cyclic moiety condensed with the first adjacent cyclic moiety.
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Patent Agency Ranking
公开(公告)号：US20220190298A1
公开(公告)日：2022-06-16
申请号：US17688201
申请日：2022-03-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Moon Gyu HAN , Kwanghee KIM , Heejae LEE , Eun Joo JANG , Dae Young CHUNG
Abstract: Provided are 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 a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.
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公开(公告)号：US20220173342A1
公开(公告)日：2022-06-02
申请号：US17671970
申请日：2022-02-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Young CHUNG , Kwanghee KIM , Eun Joo JANG , Tae Hyung KIM , Hongkyu SEO , Heejae LEE , Jaejun CHANG
Abstract: A light emitting device including a first electrode and a second electrode, and an emission layer disposed between the first electrode and the second electrode and including quantum dots, a first charge auxiliary layer disposed between the emission layer and the first electrode, and a second charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer comprises a first emission layer contacting the first charge auxiliary layer, a second emission layer disposed on the first emission layer, and a third emission layer disposed on the second emission layer. The hole mobility of the first emission layer decreases sequentially from the first emission layer to the third emission layer.
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18.发明申请公开(公告)号：US20220149307A1
公开(公告)日：2022-05-12
申请号：US17522316
申请日：2021-11-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kwanghee KIM , Hongkyu SEO , Won Sik YOON , Oul CHO , Tae Hyung KIM , Jaeyong LEE , Eun Joo JANG
Abstract: A light emitting device including a first electrode and a second electrode each having a surface opposite the other, a light emitting layer disposed between the first electrode and the second electrode, and an electronic auxiliary layer disposed between the light emitting layer and the second electrode, wherein the electron auxiliary layer includes metal oxide nanoparticles and an orthosilicate compound.
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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：US20210184147A1
公开(公告)日：2021-06-17
申请号：US17123292
申请日：2020-12-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaejun CHANG , Kwanghee KIM , Won Sik YOON , Eun Joo JANG , Oul CHO
IPC: H01L51/50
Abstract: A light-emitting device including a first electrode, a second electrode, and a light-emitting film disposed between the first electrode and the second electrode, and a method of producing the device. The light-emitting film includes a fluorine-containing organic salt, and quantum dots that do not include cadmium, lead, or a combination thereof, and the fluorine-containing organic salt includes a substituted or unsubstituted C1 to C30 hydrocarbon group, a non-metallic element, fluorine, and at least one of boron or phosphorus, and the non-metallic element includes carbon, nitrogen, oxygen, phosphorus, sulfur, or selenium.
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