Patents by Inventor Seong-jin Hwang
Seong-jin Hwang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20210179487Abstract: A cover window according to an exemplary embodiment includes a glass substrate, and a first coating layer disposed on a first major surface of the glass substrate, where the first coating layer includes an epoxy silane and an oligomer, and an average molecular weight of the oligomer is about 300 g/mol to about 5000 g/mol.Type: ApplicationFiled: July 24, 2020Publication date: June 17, 2021Inventors: Sang Hoon KIM, Seong Jin HWANG, Jae Sung KIM, Koan Duck SEO, Min Sang KOO, Kyung-Man KIM, Yun Ho KIM, Chang Ho CHO, Min-Hoon CHOI
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Publication number: 20210108775Abstract: A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions.Type: ApplicationFiled: December 21, 2020Publication date: April 15, 2021Inventor: Seong Jin HWANG
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Patent number: 10908638Abstract: A display device includes a display panel including a folding area and non-folding areas respectively extending from the folding area along a first direction; and a folding member which is foldable together with the display panel, the folding member including: a film layer corresponding to each of the folding area and the non-folding areas of the display panel, the film layer defining a storage space in which a fluid is disposed; and a pair of roller members each in slidable contact with the film layer, each of the pair of roller members slidable along the first direction. Unfolding of the display device moves each of the pair of roller members along the first direction toward the folding area, and folding of the display device moves each of the pair of roller members along the first direction away from the folding area.Type: GrantFiled: December 31, 2019Date of Patent: February 2, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seong Jin Hwang, Sang Hoon Kim, Min Hoon Choi
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Patent number: 10900633Abstract: A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions.Type: GrantFiled: April 8, 2020Date of Patent: January 26, 2021Assignee: LG INNOTEK CO., LTD.Inventor: Seong Jin Hwang
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Publication number: 20200341508Abstract: A display device includes a display panel including a folding area and non-folding areas respectively extending from the folding area along a first direction; and a folding member which is foldable together with the display panel, the folding member including: a film layer corresponding to each of the folding area and the non-folding areas of the display panel, the film layer defining a storage space in which a fluid is disposed; and a pair of roller members each in slidable contact with the film layer, each of the pair of roller members slidable along the first direction. Unfolding of the display device moves each of the pair of roller members along the first direction toward the folding area, and folding of the display device moves each of the pair of roller members along the first direction away from the folding area.Type: ApplicationFiled: December 31, 2019Publication date: October 29, 2020Inventors: Seong Jin HWANG, Sang Hoon KIM, Min Hoon CHOI
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Publication number: 20200332966Abstract: A lighting module disclosed in an embodiment comprises: a substrate; a light-emitting element arranged on the substrate; and a resin member arranged on the substrate and the light-emitting element. The resin member comprises a plurality of side surfaces and an exit surface on the upper portion thereof. The plurality of side surfaces of the resin member comprise a first side surface adjacent to the light emitting device, a second side surface facing the first side surface, and third and fourth side surfaces arranged between the first and second side surfaces so as to face each other. The exit surface of the resin member comprises a light extraction structure having a large length in a first direction and having a concavo-convex pattern in a second direction that is perpendicular to the first direction. The light emitting device comprises an exit area corresponding to a part of the second side surface in the first direction.Type: ApplicationFiled: July 1, 2020Publication date: October 22, 2020Inventors: Seong Jin HWANG, Se Eun KANG, Jin Hee KIM, Gyeong Il JIN
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Patent number: 10753546Abstract: A lighting module disclosed in an embodiment comprises: a substrate; a light-emitting element arranged on the substrate; and a resin member arranged on the substrate and the light-emitting element. The resin member comprises a plurality of side surfaces and an exit surface on the upper portion thereof. The plurality of side surfaces of the resin member comprise a first side surface adjacent to the light emitting device, a second side surface facing the first side surface, and third and fourth side surfaces arranged between the first and second side surfaces so as to face each other. The exit surface of the resin member comprises a light extraction structure having a large length in a first direction and having a concavo-convex pattern in a second direction that is perpendicular to the first direction. The light emitting device comprises an exit area corresponding to a part of the second side surface in the first direction.Type: GrantFiled: April 28, 2017Date of Patent: August 25, 2020Assignee: LG INNOTEK CO., LTD.Inventors: Seong Jin Hwang, Se Eun Kang, Jin Hee Kim, Gyeong Il Jin
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Publication number: 20200240595Abstract: A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions.Type: ApplicationFiled: April 8, 2020Publication date: July 30, 2020Inventor: Seong Jin HWANG
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Patent number: 10725501Abstract: A protective cover and a display device including a protective cover are provided. According to one or more embodiments, a protective cover includes a cover substrate; a first anti-scattering coating layer on the cover substrate; an intermediate layer on the first anti-scattering coating layer; a second anti-scattering coating layer on the intermediate layer; and an adhesive layer on the second anti-scattering coating layer, and the first anti-scattering coating layer and the second anti-scattering coating layer cover an upper surface, a lower surface, and at least one side surface of the intermediate layer.Type: GrantFiled: November 28, 2017Date of Patent: July 28, 2020Assignee: Samsung Display Co., Ltd.Inventors: Seong Jin Hwang, Myung Hwan Kim, Ji Yeon Kim, Ik Hyung Park, Dae Ho Yoon, Kyu Young Kim
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Publication number: 20200233457Abstract: A protection member for a display device includes a first glass substrate having a first surface and a second surface opposed to each other in a thickness direction and side surfaces; and a first coating layer covering and in contact with the side surfaces of the first glass substrate, and including a first surface and a second surface opposed to each other in the thickness direction and having side surfaces, wherein the first surface of the first glass substrate is exposed via the first coating layer, and the first surface of the first coating layer is located in substantially the same extended plane of the first surface of the first glass substrate.Type: ApplicationFiled: December 18, 2019Publication date: July 23, 2020Inventors: Seong Jin Hwang, Sang Hoon Kim, Min Hoon Choi
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Patent number: 10684396Abstract: A protective cover includes a cover substrate, an anti-scattering coating layer on the cover substrate, and an adhesive layer on the anti-scattering coating layer, wherein the anti-scattering coating layer has a plurality of protrusions, wherein the cover substrate has a thickness of 10 ?m to 150 ?m, and wherein the cover substrate and the anti-scattering coating layer are configured to be folded with a curvature radius of 10 mm or less.Type: GrantFiled: November 2, 2017Date of Patent: June 16, 2020Assignee: Samsung Display Co., Ltd.Inventors: Ji Yeon Kim, Seong Jin Hwang, Myung Hwan Kim, Ik Hyung Park, Dae Ho Yoon
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Patent number: 10648626Abstract: A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions.Type: GrantFiled: April 21, 2017Date of Patent: May 12, 2020Assignee: LG INNOTEK CO., LTD.Inventor: Seong Jin Hwang
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Publication number: 20190137046Abstract: A lighting module disclosed in an embodiment comprises: a substrate; a light-emitting element arranged on the substrate; and a resin member arranged on the substrate and the light-emitting element. The resin member comprises a plurality of side surfaces and an exit surface on the upper portion thereof. The plurality of side surfaces of the resin member comprise a first side surface adjacent to the light emitting device, a second side surface facing the first side surface, and third and fourth side surfaces arranged between the first and second side surfaces so as to face each other. The exit surface of the resin member comprises a light extraction structure having a large length in a first direction and having a concavo-convex pattern in a second direction that is perpendicular to the first direction. The light emitting device comprises an exit area corresponding to a part of the second side surface in the first direction.Type: ApplicationFiled: April 28, 2017Publication date: May 9, 2019Inventors: Seong Jin HWANG, Se Eun KANG, Jin Hee KIM, Gyeong Il JIN
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Publication number: 20190137052Abstract: A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions.Type: ApplicationFiled: April 21, 2017Publication date: May 9, 2019Inventor: Seong Jin HWANG
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Patent number: 10261546Abstract: A display device, including: a display panel configured to display an image through a frontal surface thereof; and a window substrate disposed on the frontal surface of the display panel. The window substrate includes at least two sheets of base substrates. The display device may also include an ultraviolet blocking layer. The ultraviolet blocking layer may be disposed between the at least two base substrates.Type: GrantFiled: December 1, 2017Date of Patent: April 16, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ik Hyung Park, Ji Yeon Kim, Myung Hwan Kim, Dae Ho Yoon, Seong Jin Hwang
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Patent number: 10216230Abstract: A window substrate includes a glass substrate including first and second surfaces opposite to each other, the glass substrate having a thickness of about 25 ?m to about 100 ?m, and a coating layer disposed on the first surface. The glass substrate includes SiO2, Al2O3 and Na2O, and the mole ratio of Al2O3/Na2O is equal to or smaller than 1.Type: GrantFiled: June 16, 2017Date of Patent: February 26, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Myung Hwan Kim, Ik Hyung Park, Seong Jin Hwang, Sung Chul Kim, Jang Doo Lee, Jong Hyuk Lee
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Publication number: 20180181165Abstract: A display device, including: a display panel configured to display an image through a frontal surface thereof; and a window substrate disposed on the frontal surface of the display panel. The window substrate includes at least two sheets of base substrates. The display device may also include an ultraviolet blocking layer. The ultraviolet blocking layer may be disposed between the at least two base substrates.Type: ApplicationFiled: December 1, 2017Publication date: June 28, 2018Inventors: lk Hyung PARK, Ji Yeon KIM, Myung Hwan KIM, Dae Ho YOON, Seong Jin HWANG
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Publication number: 20180150105Abstract: A protective cover and a display device including a protective cover are provided. According to one or more embodiments, a protective cover includes a cover substrate; a first anti-scattering coating layer on the cover substrate; an intermediate layer on the first anti-scattering coating layer; a second anti-scattering coating layer on the intermediate layer; and an adhesive layer on the second anti-scattering coating layer, and the first anti-scattering coating layer and the second anti-scattering coating layer cover an upper surface, a lower surface, and at least one side surface of the intermediate layer.Type: ApplicationFiled: November 28, 2017Publication date: May 31, 2018Inventors: Seong Jin HWANG, Myung Hwan KIM, Ji Yeon KIM, Ik Hyung PARK, Dae Ho YOON, Kyu Young KIM
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Patent number: D847814Type: GrantFiled: September 28, 2017Date of Patent: May 7, 2019Assignee: Samsung Display Co., Ltd.Inventors: Dae Ho Yoon, Seong Jin Hwang
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Patent number: D885381Type: GrantFiled: April 10, 2018Date of Patent: May 26, 2020Assignee: Samsung Display Co., Ltd.Inventor: Seong Jin Hwang