Patents by Inventor Heegun PARK
Heegun PARK 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: 20240141512Abstract: Aspects of the present disclosure provide a system for a carbon oxide electrolysis plant incorporating advanced electrochemical reactors incorporating membrane electrode assemblies as well as control mechanisms. The system provides efficient transport and production rates while minimizing the competing hydrogen formation reaction. The system may use multiple electrochemical reactors, scaling up production with high energy efficiency, while providing flexibility in the types of chemical product outputs.Type: ApplicationFiled: October 31, 2023Publication date: May 2, 2024Inventors: Lisa C. Wynia, Gregory J. DiCosola, Kendra P. Kuhl, Sichao Ma, Carter S. Haines, Timothy A. Bekkedahl, Heegun Park, Nicholas A. Taylor
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Patent number: 11839039Abstract: A rollable display device includes: a soft display panel; a main roller for winding or unwinding the soft display panel; an actuator coupled to the soft display panel to ascend and descend the soft display panel; a housing having the main roller mounted therein, wherein an opening extending in a first direction is defined in a top of the housing to retract and extend the soft display panel therethrough; and an elastic portion having one end coupled to a perimeter of the opening and protruding to cover at least a portion of the opening, wherein the elastic portion includes a rubber portion having a predetermined length along the first direction. The rollable display device may minimize exposure of an interior of the housing to prevent foreign substances from entering.Type: GrantFiled: January 14, 2022Date of Patent: December 5, 2023Assignee: LG ELECTRONICS INC.Inventors: Dongkyoon Han, Kyungmin Jeong, Taesung Cha, Heegun Park, Hyeongjun Kwon
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Publication number: 20230380084Abstract: Disclosed is a display device. The display device of the present disclosure includes: a housing which is elongated, and has a base; a roller which is rotatably installed on the base inside the housing; a display panel which is wound around or unwound from the roller; a module cover which is elongated in a longitudinal direction of the housing, has a plurality of segments arranged sequentially in an up-down direction of the display panel in a rear of the display panel, and is wound around or unwound from the roller along with the display panel; and a foldable link which is located in the rear of the display panel, has one side pivotally connected to the base, and has the other side pivotally connected to an upper side of the module cover so that the display panel and module cover stand up while being unwound from the roller, wherein the base is tilted at a certain angle with respect to a bottom of the housing.Type: ApplicationFiled: September 23, 2020Publication date: November 23, 2023Applicant: LG ELECTRONICS INC.Inventors: Hoyoung KIM, Haesuk CHOI, Heegun PARK
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Publication number: 20230041205Abstract: A display device is disclosed. The display device of the present disclosure comprises: a housing extended to be long; a roller provided inside the housing; and a display panel which is wound around or unwound from the roller, wherein the housing includes first and second base frames assembled together with a lower frame, the lower frame is assembled together with or fixed to the first base frame and/or the second base frame by at least one fixed pin so as to prevent sagging caused by a weight increase.Type: ApplicationFiled: December 27, 2019Publication date: February 9, 2023Applicant: LG ELECTRONICS INC.Inventors: Heegun PARK, Kyungmin JEONG, Taesung CHA
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Patent number: 11558969Abstract: A display device is disclosed. The display device includes a flexible display panel, a module cover positioned behind the flexible display panel, a panel roller coupled to a lower end of the flexible display panel, a subsidiary roller spaced apart from the panel roller and positioned adjacent to a front side of the flexible display panel, a protective sheet in contact with a front side of the flexible display panel when the protective sheet is wound around the panel roller together with the flexible display panel and the module cover, a filler coupled to the subsidiary roller, wherein a portion of the filler is configured to be in contact with the front side of the flexible display panel and a distance between a rotational axis of the panel roller and a rotational axis of the subsidiary roller is fixed.Type: GrantFiled: December 31, 2020Date of Patent: January 17, 2023Assignee: LG ELECTRONICS INC.Inventors: Hoyoung Kim, Dongkyoon Han, Heegun Park, Hyeongjun Kwon
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Publication number: 20220404872Abstract: Provided is a display device including a housing; a roller installed inside the housing; a display unit wound around the roller; a link having a first arm povitably mounted on the display unit and a second arm pivotably connected to the first arm and povitably on to the housing; a lead screw installed inside the housing; a slider moving on the lead screw according to rotation of the lead screw; a rod having one side connected to the slider and the other side connected to the second arm; a plurality of springs allowing the lead screw to be inserted thereinto, providing an elastic force to the slider, and arranged in series; a spacer located between the plurality of springs and allowing the lead screw to be inserted thereinto; and a damping member supporting a lower side of the spring.Type: ApplicationFiled: October 25, 2019Publication date: December 22, 2022Applicant: LG ELECTRONICS INC.Inventors: Taesung CHA, Kyungmin JEONG, Heegun PARK
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Publication number: 20220369482Abstract: Provided is a display device. The display device includes an elongated housing; a roller installed inside the housing; a display panel wound on or unwound from the roller; a module cover elongated in a longitudinal direction of the housing and having a plurality of segments sequentially arranged in an up-down direction of the display panel at a rear of the display panel; a top case located at an upper end of the display panel and coupled to the module cover; a foldable link located at a rear of the module cover and having one side pivotably connected to the housing; a coupling protrusion protruding from the top case to the rear of the module cover; and a link bracket pivotably connected to the other side of the foldable link and supporting the coupling protrusion.Type: ApplicationFiled: October 25, 2019Publication date: November 17, 2022Applicant: LG ELECTRONICS INC.Inventors: Heegun PARK, Haesuk CHOI, Changwan NOH, Hoyoung KIM
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Publication number: 20220141979Abstract: A rollable display device includes: a soft display panel; a main roller for winding or unwinding the soft display panel; an actuator coupled to the soft display panel to ascend and descend the soft display panel; a housing having the main roller mounted therein, wherein an opening extending in a first direction is defined in a top of the housing to retract and extend the soft display panel therethrough; and an elastic portion having one end coupled to a perimeter of the opening and protruding to cover at least a portion of the opening, wherein the elastic portion includes a rubber portion having a predetermined length along the first direction. The rollable display device may minimize exposure of an interior of the housing to prevent foreign substances from entering.Type: ApplicationFiled: January 14, 2022Publication date: May 5, 2022Applicant: LG ELECTRONICS INC.Inventors: Dongkyoon HAN, Kyungmin JEONG, Taesung CHA, Heegun PARK, Hyeongjun KWON
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Patent number: 11259426Abstract: A rollable display device includes: a soft display panel; a main roller for winding or unwinding the soft display panel; an actuator coupled to the soft display panel to ascend and descend the soft display panel; a housing having the main roller mounted therein, wherein an opening extending in a first direction is defined in a top of the housing to retract and extend the soft display panel therethrough; and an elastic portion having one end coupled to a perimeter of the opening and protruding to cover at least a portion of the opening, wherein the elastic portion includes a rubber portion having a predetermined length along the first direction. The rollable display device may minimize exposure of an interior of the housing to prevent foreign substances from entering.Type: GrantFiled: May 28, 2020Date of Patent: February 22, 2022Assignee: LG ELECTRONICS INC.Inventors: Dongkyoon Han, Kyungmin Jeong, Taesung Cha, Heegun Park, Hyeongjun Kwon
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Publication number: 20210204428Abstract: A display device is disclosed. The display device includes a flexible display panel, a module cover positioned behind the flexible display panel, a panel roller coupled to a lower end of the flexible display panel, a subsidiary roller spaced apart from the panel roller and positioned adjacent to a front side of the flexible display panel, a protective sheet in contact with a front side of the flexible display panel when the protective sheet is wound around the panel roller together with the flexible display panel and the module cover, a filler coupled to the subsidiary roller, wherein a portion of the filler is configured to be in contact with the front side of the flexible display panel and a distance between a rotational axis of the panel roller and a rotational axis of the subsidiary roller is fixed.Type: ApplicationFiled: December 31, 2020Publication date: July 1, 2021Applicant: LG ELECTRONICS INC.Inventors: Hoyoung KIM, Dongkyoon Han, Heegun Park, Hyeongjun Kwon
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Publication number: 20210068280Abstract: A rollable display device includes: a soft display panel; a main roller for winding or unwinding the soft display panel; an actuator coupled to the soft display panel to ascend and descend the soft display panel; a housing having the main roller mounted therein, wherein an opening extending in a first direction is defined in a top of the housing to retract and extend the soft display panel therethrough; and an elastic portion having one end coupled to a perimeter of the opening and protruding to cover at least a portion of the opening, wherein the elastic portion includes a rubber portion having a predetermined length along the first direction. The rollable display device may minimize exposure of an interior of the housing to prevent foreign substances from entering.Type: ApplicationFiled: May 28, 2020Publication date: March 4, 2021Applicant: LG ELECTRONICS INC.Inventors: Dongkyoon HAN, Kyungmin JEONG, Taesung CHA, Heegun PARK, Hyeongjun KWON