Patents by Inventor Jin Hwan Choi
Jin Hwan Choi 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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Patent number: 12376240Abstract: A display device includes a display module rollable in a rolling direction, and a support member facing the display module and rollable together with the display module. The support member includes a plurality of support bars arranged along the rolling direction, and a support layer which is between the display module and the plurality of support bars. Each of the plurality of support bars includes first and second portions at opposing ends of the support bar, along a direction crossing the rolling direction, and a third support portion between the first and second support portions, connecting the first support portion to the second support portion, and corresponding to the display module, where a thickness of each of the first support portion and the second support portion is greater than a thickness of the third support portion.Type: GrantFiled: December 19, 2022Date of Patent: July 29, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongwon Choi, Jonghwa Lee, Jiyeon Kim, Taewoong Kim, Tae-Ho Kim, Jin Hwan Choi
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Patent number: 12346166Abstract: A display apparatus includes a display panel rollable around a rolling axis extending in a first direction and a support member disposed below the display panel. The support member includes a base part, support bars each extending in the first direction, arranged in a second direction crossing the first direction, and coupled to the base part, and a protruding part including a first support portion and a second support portion, each of which is disposed below the base part and extends in the second direction. The first support portion overlaps at least a portion of first ends of the support bars, and the second support portion overlaps at least a portion of second ends of the support bars, which are spaced apart from the first ends in the first direction.Type: GrantFiled: January 9, 2023Date of Patent: July 1, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jaeho Ahn, Taewoong Kim, Jin Hwan Choi
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Patent number: 12277876Abstract: A flexible display panel of an expandable display device includes a first side with a display unit, and a second side opposite to the first side. A bending guide includes an external guide that faces part of the first side and has a first curved side, and an internal guide that faces part of the second side and has a second curved side. A slider that slides on the bending guide is attached to one end portion of the flexible display panel. A radius of the first curved side is greater than a radius of the second curved side. When the slider moves toward the bending guide, the first side contacts the first curved side and is bent by the first curved side, and when the slider moves away from the bending guide, the second side contacts the second curved side and is bent by the second curved side.Type: GrantFiled: January 3, 2023Date of Patent: April 15, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jung Hun Lee, Sun Ho Kim, Young-Seok Seo, Tae An Seo, Jin Hwan Choi
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Patent number: 12265424Abstract: A display device includes: a display module, a lifting part disposed on a rear surface of the display module and connected to the display module, and a drive belt connected to the lifting part and which moves in a first direction to extend and retract the lifting part in the first direction. The drive belt moves along a guide groove that is defined in the lifting part and that is open in the first direction.Type: GrantFiled: April 13, 2022Date of Patent: April 1, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Woong Kim, Sangjun Lee, Beomjin Kim, Jonghwa Lee, Jin Hwan Choi
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Publication number: 20250104426Abstract: Provided is a method of selecting a high-definition image frame of a video by using dynamic information, more particularly, a method of selecting a relatively high-definition image frame from among image frames included in a video by using dynamic information of a camera that has captured the video. The method of selecting a high-definition image frame of a video by using dynamic information has the advantage of quickly and effectively obtaining a large amount of image information from a captured video, and effectively select only image frames with a relatively high definition from among image frames included in the video. In addition, the method of selecting a high-definition image frame of a video by using dynamic information has the advantage of quickly and effectively extracting image frames with a high definition from among image frames included in a video, through a relatively small amount of computation.Type: ApplicationFiled: September 27, 2024Publication date: March 27, 2025Applicant: CUPIX, INC.Inventors: SeockHoon BAE, Jun Young PARK, Jin Hwan CHOI
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Patent number: 12249259Abstract: A display device includes a display module, a roller connected to a first end of the display module, and a first arm and a second arm disposed on a rear surface of the display module, spaced apart from each other, and connected to a second end of the display module. Each of the first arm and the second arm includes joint units coupled to each other and rotatable relative to each other, and a torsion spring disposed in a portion of adjacent ones of the joint units.Type: GrantFiled: February 14, 2022Date of Patent: March 11, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Youngsam Kim, Jin Hwan Choi, Taewoong Kim
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Patent number: 12238879Abstract: A display module including a display unit and a support member disposed below the display unit and including first areas and second areas. The support member includes a matrix, a first supporter disposed in the matrix and including first extension parts, each extending in a first direction and spaced apart from each other in a second direction crossing the first direction, and a second supporter disposed in the matrix and including second extension parts, each extending in the first direction and spaced apart from each other in the second direction, and connection parts disposed between the second extension parts, where the second extension parts and the connection parts define openings in the second supporter.Type: GrantFiled: September 30, 2022Date of Patent: February 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Hwan Choi, Beomjin Kim, Jiyeon Kim, Tae Woong Kim, Tae-Ho Kim, Jaeho Ahn, Sangjun Lee, Jonghwa Lee, Dongwon Choi
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Patent number: 12174666Abstract: A display device includes a housing, a display module, a support film, and a frame. The display module is accommodated in the housing in a first state and unrolled from the housing to a first direction in a second state. The support film is accommodated in the housing in the first state and unrolled from the housing to the first direction in the second state to support the display module. The frame shrinks to a first shape in the first state and expands to a second shape in the second state in a way such that the frame applies a tensile stress to the support film in the second state.Type: GrantFiled: June 9, 2022Date of Patent: December 24, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jaeho Ahn, Beomjin Kim, Taewoong Kim, Jin Hwan Choi
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Patent number: 12174667Abstract: A display device includes a display module rolled in a second direction crossing a first direction with respect to a rolling axis extending in the first direction and a module supporter disposed under the display module. The module supporter includes a support layer, a plurality of coating layers disposed in the support layer, extending in the first direction, and arranged in the second direction, and a plurality of support bars each being disposed in a corresponding coating layer among the plurality of coating layers.Type: GrantFiled: August 24, 2022Date of Patent: December 24, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongwon Choi, Beomjin Kim, Jin Hwan Choi, Jonghwa Lee
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Patent number: 12164337Abstract: A display device includes a display panel including a first surface which displays images and a second surface opposite to the first surface, a supporter disposed on the second surface of the display panel, a roller to which a first end of the display panel and a first end of the supporter are connected and on which the display panel and the supporter are wound, a first case to which a second end of the display panel opposite to the first end of the display panel is connected, a second case which is disposed on the first case and to which an end of the roller is connected, and an elasticity member connected between the first case and the second case, where the second case and the first case at least partly overlap each other and slide.Type: GrantFiled: July 15, 2022Date of Patent: December 10, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Jun Lee, Jin Hwan Choi, Beom Jin Kim, Tae Woong Kim, Jae Ho Ahn
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Patent number: 12153469Abstract: A display device includes a display module, a plurality of support bars disposed on a rear surface of the display module, a roller which is connected to one end of the display module and around which the display module and part of the plurality of support bars are wound, and a housing which accommodates the display module, the plurality of support bars, and the roller. A gap between the plurality of support bars varies according to areas of the display module.Type: GrantFiled: November 15, 2019Date of Patent: November 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Hwan Choi, Hyunwoo Koo, Taewoong Kim, Dongwon Choi, Hayk Khachatryan
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Patent number: 12144216Abstract: A display device includes a display module. A support layer is disposed below the display module. A plurality of support bars is disposed inside the support layer and extends outside of the support layer. Each of the plurality of support bars includes first and second ends that are disposed outside of the support layer. A plurality of joints are configured to receive the first and second ends of the plurality of support bars. The plurality of joints are coupled to each other. The coupled plurality of joints are configured to rotate with respect to each other.Type: GrantFiled: October 20, 2021Date of Patent: November 12, 2024Assignee: Samsung Display Co., Ltd.Inventors: Dongwon Choi, Jin Hwan Choi, Beomjin Kim, Taewoong Kim, Jonghwa Lee
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Patent number: 12052836Abstract: A display device includes: a first module including a first housing and a first roller portion; a plurality of support portions having first end portions fixed to the first roller portion and extending in a first direction; a display panel disposed to overlap the support portions and including a first surface and a second surface opposite to the first surface; and a second module including a second housing to which second end portions of the support portions are fixed. The support portions are disposed on the second surface, the support portions include a first support portion, and a second support portion spaced apart from the first support portion in a second direction intersecting the first direction, the first support portion includes a concave pattern concave in a direction facing the second surface, and the second support portion includes a convex pattern convex in the direction facing the second surface.Type: GrantFiled: September 2, 2022Date of Patent: July 30, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Ho Ahn, Beom Jin Kim, Tae Woong Kim, Sang Jun Lee, Jin Hwan Choi
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Publication number: 20240231441Abstract: A display device includes a display module, a module support disposed below the display module, and a housing receiving the display module and the module support, wherein the module support includes a support layer disposed below the display module, and a plurality of support bars disposed in the support layer and having a greater modulus than the support layer.Type: ApplicationFiled: February 21, 2024Publication date: July 11, 2024Inventors: Jin Hwan CHOI, Hayk KHACHATRYAN, Hyunwoo KOO, Dongwon CHOI, Taewoong KIM
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Patent number: 12029087Abstract: A display device includes: a flexible substrate; a plurality of conductive lines on the flexible substrate; a thin film transistor connected to the plurality of conductive lines; and an organic light emitting element connected to the thin film transistor. As a curvature of an area of the flexible substrate increases, a width or a thickness of each of the conductive lines increases.Type: GrantFiled: August 27, 2021Date of Patent: July 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minsung Kim, Hyunwoo Koo, Tae Woong Kim, Jin Hwan Choi, Hayk Kachatryan
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Patent number: 11997804Abstract: A display device includes a display module and a module supporter below the display module. The module supporter includes a support layer, and a plurality of support bars in the support layer and arranged in a first direction. The plurality of support bars extend in a second direction that intersects the first direction. At least one groove having a predetermined shape is formed on lateral surfaces of at least one of the plurality of support bars. The lateral surfaces are opposite to each other in the first direction.Type: GrantFiled: November 30, 2021Date of Patent: May 28, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Beomjin Kim, Jonghwa Lee, Dongwon Choi, Jin Hwan Choi, Taewoong Kim
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Patent number: 11940849Abstract: A display device includes a display module, a module support disposed below the display module, and a housing which receives the display module and the module support. The module support includes: a support layer disposed below the display module, and a plurality of support bars disposed in the support layer and having a modulus greater than a modulus of the support layer.Type: GrantFiled: December 11, 2019Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Hwan Choi, Hayk Khachatryan, Hyunwoo Koo, Dongwon Choi, Taewoong Kim
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Patent number: 11937384Abstract: An electronic device includes a display module including a display unit and a hinge unit coupled to the display unit and configured to be rolled with the display unit, the display unit including a display panel, a flexible circuit board connected to the display panel, and a main circuit board connected to the flexible circuit board, a housing including sidewall portions each extending in a first direction, in which at least one of the sidewall portions includes an accommodation groove to which the main circuit board is inserted, and the sidewall portions are deformable between a closed state of surrounding the display module and an opened state of exposing at least a portion of the display module outside of the housing.Type: GrantFiled: February 25, 2022Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jonghwa Lee, Beomjin Kim, Dongwon Choi, Jin Hwan Choi, Taewoong Kim
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Patent number: D1060283Type: GrantFiled: August 25, 2021Date of Patent: February 4, 2025Assignee: Samsung Display Co., Ltd.Inventors: Beom Jin Kim, Jin Hwan Choi
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Patent number: D1068704Type: GrantFiled: August 25, 2021Date of Patent: April 1, 2025Assignee: Samsung Display Co., Ltd.Inventors: Jong Hwa Lee, Beom Jin Kim, Jin Hwan Choi, Tae Woong Kim