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1.发明公开公开(公告)号：US20240279542A1
公开(公告)日：2024-08-22
申请号：US18424088
申请日：2024-01-26
Inventor： Sunyoung Kwon , Wanki Bae , Kyuri Kim , Seongbin Im , Keunchan Oh , Hyeokjin Lee
IPC: C09K11/62 , B82Y20/00 , B82Y40/00 , H10K50/115
CPC classification number: C09K11/621 , H10K50/115 , B82Y20/00 , B82Y40/00
Abstract: Embodiments provide a quantum dot, an optical member including the quantum dot, an electronic apparatus including the quantum dot, and a method of preparing the quantum dot. The quantum dot includes a core including indium (In) and A1, and a first shell covering the core, not including In, and including A1. A1 is a Group I element, an atomic ratio of A1 to In in the quantum dot is in a range of about 0.9 to about 2.4, and the quantum dot emits visible light other than blue light.
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公开(公告)号：US12302731B2
公开(公告)日：2025-05-13
申请号：US17201375
申请日：2021-03-15
Applicant: Samsung Display Co., Ltd.
Inventor： Soodong Kim , Sunyoung Kwon , Songyi Kim , Jinwon Kim , Kyoungwon Park
IPC: H10K59/38 , H10K50/858 , H10K59/12
Abstract: A display device includes a display element configured to generate a first color light, an encapsulation member on the display element and including an inorganic layer at an outermost portion thereof, a color conversion layer on the encapsulation member and including a first color conversion part configured to transmit the first color light, a second color conversion part configured to convert the first color light into a second color light, and a third color conversion part configured to convert the first color light into a third color light, and a buffer layer between the encapsulation member and the color conversion layer, wherein a difference in refractive index between the buffer layer and the inorganic layer is about 0.5 or less.
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公开(公告)号：US12208640B2
公开(公告)日：2025-01-28
申请号：US17496849
申请日：2021-10-08
Applicant: Samsung Display Co., Ltd.
Inventor： Sunyoung Kwon
Abstract: A method of providing a light control member includes providing a plurality of barrier walls spaced apart from each other and defining a concave portion therebetween, providing a light control resin including a quantum dot in the concave portion, providing a first light having a wavelength equal to or greater than about 430 nanometers and equal to or smaller than about 500 nanometers to the light control resin, providing a second light having a wavelength shorter than the wavelength of the first light to the light control resin to which the first light is irradiated, and providing heat-treating the light control resin to which the second light is irradiated.
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公开(公告)号：US10964759B2
公开(公告)日：2021-03-30
申请号：US16415263
申请日：2019-05-17
Applicant: Samsung Display Co., Ltd.
Inventor： Soodong Kim , Sunyoung Kwon , Songyi Kim , Jinwon Kim , Kyoungwon Park
Abstract: A display device includes a display element configured to generate a first color light, an encapsulation member on the display element and including an inorganic layer at an outermost portion thereof, a color conversion layer on the encapsulation member and including a first color conversion part configured to transmit the first color light, a second color conversion part configured to convert the first color light into a second color light, and a third color conversion part configured to convert the first color light into a third color light, and a buffer layer between the encapsulation member and the color conversion layer, wherein a difference in refractive index between the buffer layer and the inorganic layer is about 0.5 or less.
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公开(公告)号：US12258508B2
公开(公告)日：2025-03-25
申请号：US17522904
申请日：2021-11-10
Inventor： Hyeokjin Lee , Heesun Yang , Sunyoung Kwon , Youngsoo Kwon , Keunchan Oh , Jungho Jo
Abstract: A semiconductor nanoparticle for a color conversion member of a display device includes: a central portion including at least one of i) InP, ii) a ternary compound consisting of indium, phosphorus, and one element of Groups I-VII, and iii) InP doped with at least one transition metal of Groups I-VII; an inner portion proximate to the central portion and including a phosphide of at least one of boron, aluminum, and gallium; a middle portion proximate to the inner portion and including at least one of ZnSe and ZnSexS1-x; and an outer portion proximate to the middle portion and including one or more compounds of Groups II-VI, wherein x is 0
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Patent Agency Ranking
公开(公告)号：US12173210B2
公开(公告)日：2024-12-24
申请号：US18692656
申请日：2022-09-19
Applicant: HANSOL CHEMICAL CO.,LTD , SAMSUNG DISPLAY CO., LTD.
Inventor： Gilran Kim , Yunju Bae , Ahyoung Jo , Shulgi Park , Eunhee Nam , Sungmin Ha , Chunrae Nam , Sunyoung Kwon , Buyong Kim , Jinwon Kim , Hye-Jin Paek , Taeyoung Song
IPC: C09K11/02 , C09D11/037 , C09D11/101 , C09D11/107 , C09D11/322 , C09D11/50 , C09K11/08 , C09K11/88 , G02B5/20 , B82Y20/00 , B82Y40/00
Abstract: A solventlesss quantum dot composition, a method for preparing the same, and a cured film, a color filter, and a display device including the same are disclosed. The solventless quantum dot composition comprises quantum dots surface-modified with at least two ligands, has low viscosity and good optical properties, and can be prepared by synthesis of quantum dots (QDs), followed by direct ligand substitution in the solution, thereby securing a simplified preparation process.
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公开(公告)号：US20220336535A1
公开(公告)日：2022-10-20
申请号：US17714598
申请日：2022-04-06
Applicant: Samsung Display Co., Ltd.
Inventor： Sunyoung Kwon
Abstract: A method of manufacturing a display apparatus having at least one first color emission layer and at least one second color emission layer includes: forming a first color filter layer in a first area of a substrate, a second color filter layer in a second area of the substrate, and a third color filter layer in a third area of the substrate; forming a bank having a first opening overlapping the first area, a second opening overlapping the second area, and a third opening overlapping the third area; and forming a first transmissive layer filling at least a portion of the first opening, a second transmissive layer filling at least a portion of the second opening and including a same material as the first transmissive layer, and a third color quantum dot layer filling at least a portion of the third opening.
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公开(公告)号：US12065603B2
公开(公告)日：2024-08-20
申请号：US17365887
申请日：2021-07-01
Inventor： Sunyoung Kwon , Wan Ki Bae , Donghyo Hahm , Keunchan Oh , Hyeokjin Lee , Seong-Pil Huh
CPC classification number: C09K11/883 , C09K11/0883 , C09K11/7492 , H10K50/115 , H10K59/38 , B82Y20/00 , B82Y40/00
Abstract: A quantum dot includes a first core layer and a shell layer surrounding the first core layer, wherein a difference in lattice constants between the first core layer and the shell layer is controlled to be 3% or less. The quantum dot according to an embodiment may be applied to a light emitting element and a display device, thereby providing improved luminous efficiency.
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公开(公告)号：US10247981B2
公开(公告)日：2019-04-02
申请号：US15723925
申请日：2017-10-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Gakseok Lee , Sunyoung Kwon , Taehoon Kim , Jihong Bae , Jieun Jang
IPC: G02F1/1335 , G02F1/135 , G02F1/137 , G02F2/02 , G02F1/13363
Abstract: A reflective liquid crystal display device includes a first substrate on which a plurality of pixel areas are defined, a second substrate facing the first substrate, a cholesteric liquid crystal (“CLC”) layer between the first substrate and the second substrate, a linear polarization member on the second substrate, a retardation member between the linear polarization member and the CLC layer, a light absorbing layer on the first substrate, and a light conversion member corresponding to the pixel area and interposed between the CLC layer and the light absorbing layer.
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公开(公告)号：US20240155906A1
公开(公告)日：2024-05-09
申请号：US18352986
申请日：2023-07-14
Applicant: Samsung Display Co., LTD.
Inventor： Sunkyu Joo , Keunchan Oh , Sunyoung Kwon , Sangji Park , Jaecheol Park , Dokyung Youn , Songee Lee , Wooman Ji
CPC classification number: H10K59/38 , H10K59/873 , H10K59/879
Abstract: Provided is a display apparatus including a lower substrate, a light-emitting device over the lower substrate, an upper substrate over the lower substrate with the light-emitting device therebetween and including a central area overlapping the light-emitting device and a peripheral area outside the central area, a first bank over the upper substrate facing the lower substrate and defining a first opening and a second opening overlapping the central area, a refractive layer on the first bank, a transmission layer on the refractive layer and in the first opening, a quantum dot layer on the refractive layer and in the second opening, and a second bank over the first bank and the refractive layer and including the same material as the transmission layer.
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