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1
US2021057664A1
LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING SAME AND DISPLAY DEVICE INCLUDING SAME
Publication/Patent Number: US2021057664A1 Publication Date: 2021-02-25 Application Number: 17/083,832 Filing Date: 2020-10-29 Inventor: Kim, Tae Ho   Yoon, Won Sik   Lee, Jeong Hee   Jang, Eun Joo   Cho, Oul   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 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.
2
US10923668B2
Electroluminescent device, and display device comprising thereof
Publication/Patent Number: US10923668B2 Publication Date: 2021-02-16 Application Number: 17/005,392 Filing Date: 2020-08-28 Inventor: Park, Kun Su   Kim, Kwanghee   Kim, Tae Ho   Jang, Eun Joo   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/00 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, and a metal-organic compound chemically bound to the surface of the inorganic oxide core. MxOy  Chemical Formula 1
3
EP3696245A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: EP3696245A1 Publication Date: 2020-08-19 Application Number: 20157462.1 Filing Date: 2020-02-14 Inventor: Kim, Tae Ho   Yoon, Won Sik   Jang, Eun Joo   Assignee: Samsung Electronics Co., Ltd.   IPC: C09K11/02 Abstract: A 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, wherein the emission layer includes a plurality of quantum dots and metal carboxylate having at least one hydrocarbon group of at least one carbon atoms, and the plurality of quantum dots includes a first organic ligand, and does not include cadmium and lead, and a method of manufacturing the same.
4
US2020266348A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: US2020266348A1 Publication Date: 2020-08-20 Application Number: 16/791,163 Filing Date: 2020-02-14 Inventor: Kim, Tae Ho   Yoon, Won Sik   Jang, Eun Joo   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/00 Abstract: A 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, wherein the emission layer includes a plurality of quantum dots and metal carboxylate having at least one hydrocarbon group of at least one carbon atoms, and the plurality of quantum dots includes a first organic ligand, and does not include cadmium and lead, and a method of manufacturing the same.
5
EP3605622A1
LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING SAME AND DISPLAY DEVICE INCLUDING SAME
Publication/Patent Number: EP3605622A1 Publication Date: 2020-02-05 Application Number: 19189798.2 Filing Date: 2019-08-02 Inventor: Kim, Tae Ho   Yoon, Won Sik   Lee, Jeong Hee   Jang, Eun Joo   Cho, Oul   Assignee: Samsung Electronics Co., Ltd.   IPC: H01L33/56 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.
6
US2020395561A1
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
Publication/Patent Number: US2020395561A1 Publication Date: 2020-12-17 Application Number: 17/005,392 Filing Date: 2020-08-28 Inventor: Park, Kun Su   Kim, Kwanghee   Kim, Tae Ho   Jang, Eun Joo   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/00 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, and a metal-organic compound chemically bound to the surface of the inorganic oxide core. MxOy  Chemical Formula 1
7
US2020044173A1
LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING SAME AND DISPLAY DEVICE INCLUDING SAME
Publication/Patent Number: US2020044173A1 Publication Date: 2020-02-06 Application Number: 16/530,253 Filing Date: 2019-08-02 Inventor: Kim, Tae Ho   Yoon, Won Sik   Lee, Jeong Hee   Jang, Eun Joo   Cho, Oul   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 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.
8
US202044173A1
LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING SAME AND DISPLAY DEVICE INCLUDING SAME
Publication/Patent Number: US202044173A1 Publication Date: 2020-02-06 Application Number: 20/191,653 Filing Date: 2019-08-02 Inventor: Kim, Tae Ho   Lee, Jeong Hee   Jang, Eun Joo   Cho, Oul   Yoon, Won Sik   Assignee: Samsung Electronics Co., Ltd.   IPC: H01L51/56 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.
9
US2020243770A1
POLYMER, ORGANIC SOLAR CELL COMPRISING POLYMER, PEROVSKITE SOLAR CELL COMPRISING POLYMER
Publication/Patent Number: US2020243770A1 Publication Date: 2020-07-30 Application Number: 16/492,655 Filing Date: 2018-03-09 Inventor: Park, Soo Young   Yoon, Won Sik   Kim, Dong Won   Park, Jun Mo   Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION   IPC: H01L51/00 Abstract: The present invention relates to a polymer, an organic solar cell comprising the polymer, and a perovskite solar cell comprising the polymer. The polymer according to the present invention has excellent absorption ability for visible light and an energy level suitable for the use as an electron donor compound in a photo-active layer of the organic solar cell, thereby increasing the light conversion efficiency of the organic solar cell. In addition, the polymer according to the present invention has high hole mobility, and is used as a compound for a hole transport layer, and thus can improve efficiency and service life of the perovskite solar cell without an additive.
10
US10818859B2
Electroluminescent device, and display device comprising thereof
Publication/Patent Number: US10818859B2 Publication Date: 2020-10-27 Application Number: 16/233,567 Filing Date: 2018-12-27 Inventor: Park, Kun Su   Kim, Kwanghee   Kim, Tae Ho   Jang, Eun Joo   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 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
11
US10854836B2
Light emitting device, method of manufacturing same and display device including same
Publication/Patent Number: US10854836B2 Publication Date: 2020-12-01 Application Number: 16/530,253 Filing Date: 2019-08-02 Inventor: Kim, Tae Ho   Yoon, Won Sik   Lee, Jeong Hee   Jang, Eun Joo   Cho, Oul   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 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.
12
US2020161551A1
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
Publication/Patent Number: US2020161551A1 Publication Date: 2020-05-21 Application Number: 16/372,861 Filing Date: 2019-04-02 Inventor: Yoon, Won Sik   Han, Moon Gyu   Kim, Tae Ho   Jang, Eun Joo   Seo, Hongkyu   Assignee: Samsung Electronics Co., Ltd.   IPC: H01L51/00 Abstract: An electroluminescent device and including a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a quantum dot and a first electron transporting material represented by Chemical Formula 1; a hole transport layer disposed between the emission layer and the first electrode; and an electron transport layer disposed between the emission layer and the second electrode: wherein, the definitions of groups and variables in Chemical Formula 1 are the same as described in the specification.
13
US2020067005A1
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
Publication/Patent Number: US2020067005A1 Publication Date: 2020-02-27 Application Number: 16/233,567 Filing Date: 2018-12-27 Inventor: Park, Kun Su   Kim, Kwanghee   Kim, Tae Ho   Jang, Eun Joo   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 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
14
US2020212333A1
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
Publication/Patent Number: US2020212333A1 Publication Date: 2020-07-02 Application Number: 16/811,637 Filing Date: 2020-03-06 Inventor: Han, Moon Gyu   Chung, Dae Young   Kim, Kwanghee   Jang, Eun Joo   Kim, Chan Su   Park, Kun Su   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 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.
15
US2020083450A1
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
Publication/Patent Number: US2020083450A1 Publication Date: 2020-03-12 Application Number: 16/562,601 Filing Date: 2019-09-06 Inventor: Han, Moon Gyu   Chung, Dae Young   Kim, Kwanghee   Jang, Eun Joo   Kim, Chan Su   Park, Kun Su   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   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.
16
EP3620497A1
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
Publication/Patent Number: EP3620497A1 Publication Date: 2020-03-11 Application Number: 19195539.2 Filing Date: 2019-09-05 Inventor: Han, Moon Gyu   Chung, Dae Young   Kim, Kwanghee   Jang, Eun Joo   Kim, Chan Su   Park, Kun Su   Yoon, Won Sik   Assignee: Samsung Electronics Co., Ltd.   IPC: C09K11/70 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.
17
KR101998115B1
Method for manufacturing projectile using electromagnetic plants and aluminum powder
Publication/Patent Number: KR101998115B1 Publication Date: 2019-07-09 Application Number: 20190034773 Filing Date: 2019-03-27 Inventor: Yoon, Won Sik   Assignee: JK METAL RESOURCE CO., LTD.   IPC: B22F5/00 Abstract: The present invention relates to a method for manufacturing a palette using an electromagnetic projectile and aluminum powder, comprising: a first step of miniaturizing an industrial aluminum byproduct in a top-down method in which a large particle is crushed and ground into small particles before being dried, and mixing a mixture of components corresponding to a component characteristic of AL powder to produce aluminum powder; a second step of, in a state in which the produced aluminum powder is filled in a palette mold frame, applying a high-voltage large current to an electromagnetic projectile having a pair of conductors disposed in parallel when pulse power is instantaneously activated, such that correspondent electromagnetic force is generated to produce a mutual action of a magnetic field, thereby accelerating a lifting body and utilizing an impact load to individually form an upper board, a lower board, and a supporter, which are components of an AL palette; a third step of performing heat treatment upon the formed three components of the AL palette for 15 to 25 minutes by applying heat equal to 80% to 85% of the melting temperature of aluminum by using a successive heat treatment device; and a fourth step of completing the AL palette by assembling or welding the three components of the AL palette which have undergone the heat treatment. Therefore, a high-quality aluminum palette can be produced.
18
KR101998110B1
Apparatus for manufacturing projectile using electromagnetic plants and aluminum powder
Publication/Patent Number: KR101998110B1 Publication Date: 2019-07-09 Application Number: 20190034770 Filing Date: 2019-03-27 Inventor: Yoon, Won Sik   Assignee: JK METAL RESOURCE CO., LTD.   IPC: B30B1/42 Abstract: The present invention relates to a device for manufacturing a pallet using an electromagnetic projectile and aluminum powder. The device for manufacturing a pallet includes: an H-beam structure fixing and supporting an electromagnetic projectile, an ascending and descending body, and a pallet mold frame; the electromagnetic projectile installed between a support of the H-beam structure, a second bracket, and a second bracket and having a pair of conductors; the ascending and descending body hitting predetermined aluminum powder contained in the pallet mold frame by impact weight by an electromagnetic force performing interaction of a magnetic field generated in the electromagnetic projectile; and the pallet mold frame. Also, the device for manufacturing a pallet comprises a pulse power device supplying a high current of high voltage to a pair of conductors of the electromagnetic projectile. So, the device for manufacturing a pallet can variously reuse an aluminum by-product for industry and can manufacture the aluminum pallet of high quality by evenly thermosetting powder.
19
KR102024826B1
polymer using photo-active layer of organic solar cell and organic solar cell comprising thereof
Publication/Patent Number: KR102024826B1 Publication Date: 2019-09-24 Application Number: 20180019512 Filing Date: 2018-02-19 Inventor: Park, Soo Young   Yoon, Won Sik   Park, Jun Mo   Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION   IPC: H01L51/44 Abstract: 본 발명은 유기태양전지 광 활성층용 고분자에 대한 것이다. 본 발명에 따른 유기태양전지 광 활성층용 고분자는, 가시광에 대한 우수한 흡수능을 가지고, 유기 태양전지의 광 활성층 내 전자 주개(electron donor) 화합물로 사용하기 적합한 에너지 준위를 가져, 유기태양전지의 광 전환 효율을 증대시킬 수 있다.
20
KR20190099713A
polymer using photo-active layer of organic solar cell and organic solar cell comprising thereof
Publication/Patent Number: KR20190099713A Publication Date: 2019-08-28 Application Number: 20180019512 Filing Date: 2018-02-19 Inventor: Park, Soo Young   Yoon, Won Sik   Park, Jun Mo   Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION   IPC: C08G61/12 Abstract: 본 발명은 유기태양전지 광 활성층용 고분자에 대한 것이다. 본 발명에 따른 유기태양전지 광 활성층용 고분자는, 가시광에 대한 우수한 흡수능을 가지고, 유기 태양전지의 광 활성층 내 전자 주개(electron donor) 화합물로 사용하기 적합한 에너지 준위를 가져, 유기태양전지의 광 전환 효율을 증대시킬 수 있다.
Total 8 pages