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公开(公告)号：US08968842B2
公开(公告)日：2015-03-03
申请号：US13904449
申请日：2013-05-29
Applicant: Samsung Display Co., Ltd.
Inventor： Jihong Bae , Kyungmin Kim , Min-Jae Kim , Min-Hee Kim , Euna Kim , Joon-Hyung Park , Keunchan Oh , Jinhyeong Lee
CPC classification number: C09K19/3003 , C09K19/52 , C09K2019/122 , C09K2019/123 , C09K2019/124 , C09K2019/3004 , C09K2019/3009 , C09K2019/301 , C09K2019/3016 , G02F1/133711 , G02F1/133788 , G02F2001/133726 , Y10T428/10 , Y10T428/1036
Abstract: A liquid crystal display device includes a first substrate, a second substrate facing the first substrate, and a liquid crystal layer between the first and second substrates. The liquid crystal layer includes a liquid crystal composition including an alkenyl liquid crystal and an antioxidant component including at least one selected from an antioxidant and a derivative thereof. In an embodiment, the antioxidant component is present in an amount of greater than 0 ppm and equal to or less than about 10,000 ppm relative to the total weight of the liquid crystal composition.
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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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公开(公告)号：US12114528B2
公开(公告)日：2024-10-08
申请号：US17943270
申请日：2022-09-13
Applicant: Samsung Display Co., Ltd.
Inventor： Sun-Kyu Joo , Byung-Chul Kim , Inok Kim , Jaecheol Park , Jaemin Seong , Inseok Song , Keunchan Oh , Gak Seok Lee , Jieun Jang , Chang-Soon Jang
IPC: H10K50/86 , H10K50/844 , H10K59/122 , H10K59/38
CPC classification number: H10K50/865 , H10K50/844 , H10K59/122 , H10K59/38
Abstract: A display panel includes a base substrate including: a plurality of pixel regions and a peripheral region adjacent thereto; a pixel defining film disposed on the base substrate and having a plurality of openings, each of which corresponding to a respective one of the plurality of pixel regions; a plurality of light emitting elements disposed on the base substrate corresponding to the plurality of openings and configured to generate first color light; an encapsulation member disposed on the plurality of light emitting elements; a light shield pattern disposed on the encapsulation member and overlapping the peripheral region when viewed in a plan view; and a light control layer disposed on the encapsulation member and the light shield pattern and overlapping the plurality of pixel regions. The pixel defining film includes a first color material, and the light shield pattern includes a second color material different form the first color.
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公开(公告)号：US11917883B2
公开(公告)日：2024-02-27
申请号：US17176933
申请日：2021-02-16
Applicant: Samsung Display Co., Ltd.
Inventor： Youyoung Jin , Keunchan Oh , Gak Seok Lee , Sanghun Lee , Chang-Soon Jang
IPC: H10K59/38 , H10K50/844 , H10K50/858 , H10K59/12 , H10K102/00
CPC classification number: H10K59/38 , H10K50/844 , H10K50/858 , H10K59/12 , H10K2102/331
Abstract: A color control member includes a color control layer including a quantum dot and a color filter layer on the color control layer, wherein a low refractive layer may be between the color control layer and the color filter layer. The low refractive layer includes a base resin and a plurality of sets of hollow particles dispersed in the base resin, and each of the hollow particles of each set of the sets of hollow particles may have a spherical shape. The sets of hollow particles may have respective average diameters, and a ratio of two average diameters of the respective average diameters of the sets of hollow particles is about 2:1 to about 60:1, and the low refractive layer including the hollow particles may be formed through a continuous process at a low temperature.
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公开(公告)号：US20240016024A1
公开(公告)日：2024-01-11
申请号：US18346421
申请日：2023-07-03
Applicant: Samsung Display Co., Ltd.
Inventor： Sunkyu Joo , Keunchan Oh , Taimei Kodaira , Sangji Park , Dokyung Youn , Wooman Ji , Taehyung Hwang
CPC classification number: H10K59/38 , H10K59/353 , H10K59/351
Abstract: A display apparatus includes organic light-emitting diodes respectively corresponding to first pixels, second pixels, third pixels, and fourth pixels, a first color-converting layer disposed on an organic light-emitting diode corresponding to one of the first pixels and including first quantum dots, a first color filter disposed on the first color-converting layer, a second color-converting layer disposed on an organic light-emitting diode corresponding to one of the second pixels and including second quantum dots, and a second color filter disposed on the second color-converting layer, and the second pixels and the fourth pixels are disposed along a same row, and one of the fourth pixels is disposed between two adjacent second pixels.
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Patent Agency Ranking
公开(公告)号：US11616101B2
公开(公告)日：2023-03-28
申请号：US17087157
申请日：2020-11-02
Applicant: Samsung Display Co., Ltd.
Inventor： Gak Seok Lee , Keunchan Oh , Byung-Chul Kim , Jang Wi Ryu , Inseok Song , Halim Ji
Abstract: A display device includes: a substrate; a color filter layer disposed below the substrate; a color control layer disposed below the color filter layer; and an optical auxiliary layer disposed between the substrate and the color filter layer and having a base portion and a plurality of recess portions, the plurality of recess portion defined in the base portion and recessed in a direction toward the substrate, wherein an average refractive index of the optical auxiliary layer is greater than or equal to an average refractive index of the substrate and is less than or equal to an average refractive index of the color filter layer.
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公开(公告)号：US11450714B2
公开(公告)日：2022-09-20
申请号：US16592384
申请日：2019-10-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sun-Kyu Joo , Keunchan Oh
Abstract: A display panel includes a display element layer configured to output first color light, an encapsulation layer disposed on the display element layer, a light control layer disposed on the encapsulation layer and including a first conversion part configured to output second color light, a second conversion part configured to output third color light, and a transmission part configured to transmit the first color light, a light absorbing layer disposed on the encapsulation layer to cover the first and second conversion parts and expose at least a portion of a top surface of the transmission part, and a color filter layer disposed on the light absorbing layer. The light absorbing layer is configured to absorb the first color light and to transmit the second color light and the third color light.
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公开(公告)号：US20210376000A1
公开(公告)日：2021-12-02
申请号：US17179892
申请日：2021-02-19
Applicant: Samsung Display Co., LTD.
Inventor： Youyoung Jin , Jae Cheol Park , Keunchan Oh , Gak Seok Lee , Sanghun Lee , Chang-Soon Jang
Abstract: A display panel comprises a first substrate including a pixel area defined, and a second substrate disposed under the first substrate and including a light emitting element that emits first light to the first substrate. The first substrate includes a base layer, a color filter layer disposed under the base layer and disposed in the pixel area, a light control layer disposed under the color filter layer, and a first opening between the color filter layer and the light control layer.
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公开(公告)号：US20210175291A1
公开(公告)日：2021-06-10
申请号：US17179773
申请日：2021-02-19
Applicant: Samsung Display Co., Ltd.
Inventor： Sun-kyu Joo , Keunchan Oh , Byung-Chul Kim , Inok Kim , Jaemin Seong , Gakseok Lee , Jieun Jang , Inseok Song , Chang-Soon Jang
Abstract: A display panel includes: an upper display substrate including a plurality of pixel areas arranged in each of a plurality of pixel columns and a light blocking area disposed adjacent to the pixel areas; and a lower display substrate including a plurality of display elements respectively overlapping the pixel areas, wherein the upper display substrate includes: a base substrate; a color filter layer disposed on the base substrate; and a light control layer disposed on the color filter layer and including transmission portions respectively at least partially overlapping first pixel areas arranged in a first one of the pixel columns and first conversion portions respectively at least partially overlapping second pixel areas arranged in a second one of the pixel columns, wherein the light blocking area includes a first light blocking area defined between the transmission portion and the first conversion portion, and a second light blocking area defined between the first conversion portions, and a first shortest distance from the base substrate to a lower surface of a first portion of the light control layer overlapping the first light blocking area is substantially equal to a second shortest distance from the base substrate to a lower surface of a second portion of the light control layer overlapping the second light blocking area.
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公开(公告)号：US09726934B2
公开(公告)日：2017-08-08
申请号：US14458907
申请日：2014-08-13
Applicant: Samsung Display Co., Ltd.
Inventor： Joon-Hyung Park , Keunchan Oh , Min-Jae Kim , Min-Hee Kim , Kangseob Jeong , Kyungseon Tak
IPC: C09K19/12 , C09K19/52 , G02F1/1337 , C09K19/30 , C09K19/04
CPC classification number: G02F1/133723 , C09K19/12 , C09K19/3001 , C09K19/3003 , C09K2019/0448 , C09K2019/122 , C09K2019/123 , C09K2019/124 , C09K2019/3004 , C09K2019/301 , C09K2019/3016 , G02F1/133788 , G02F2001/133726
Abstract: A display device including a first substrate, a second substrate facing the first substrate, and a liquid crystal layer provided between the first substrate and the second substrate. The liquid crystal layer has a value of rotation viscosity (γl)/bending modulus of elasticity (K33) of about 6.0 to about 6.4 mPa*s/pN.
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