Patents by Inventor Chun Ki Choi
Chun Ki 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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Publication number: 20240100969Abstract: An embodiment structural battery for an electric vehicle includes an upper rail and a lower rail coupled with the upper rail, wherein the upper rail and the lower rail are electrically connected with each other by a terminal and a wiring, so that the upper rail and the lower rail electrically connected with each other serve as both the structural battery and a roof rail of a vehicle body.Type: ApplicationFiled: September 22, 2023Publication date: March 28, 2024Inventors: Won Ki Song, Chun-Gon Kim, Hyun Wook Park, Joo-Seung Choi, Jung-Eon Noh
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Publication number: 20240106055Abstract: An embodiment structural battery for an electric vehicle includes a plurality of cells stacked on each other, each of the plurality of cells including a positive electrode layer, an electrolyte layer, and a negative electrode layer stacked with the electrolyte layer between the positive and negative electrodes, wherein the plurality of cells define a battery by electrical connection of a positive electrode terminal and a negative electrode terminal respectively provided in the plurality of cells, structure reinforcement layers stacked on each of an outermost upper layer and an outermost lower layer of the plurality of cells, and carbon fiber current collecting layers stacked between each of the structure reinforcement layers and the plurality of cells.Type: ApplicationFiled: June 19, 2023Publication date: March 28, 2024Inventors: Won Ki Song, Jai Hak Kim, Chun-Gon Kim, Hyun Wook Park, Joo-Seung Choi, Jung-Eon Noh
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Patent number: 9857639Abstract: A method for manufacturing a liquid crystal lens includes: patterning an insulating layer into a plurality of insulating regions spaced apart from each other on a substrate using a first photo mask; depositing a conductive layer on the insulating layer; applying a first, negative photoresist onto the conductive layer; exposing the first photoresist using a second photo mask in which first regions of the first photoresist corresponding to portions between adjacent insulating regions are opened; exposing the first photoresist using a third photo mask in which second regions corresponding to tops of the plurality of insulating regions are opened; and etching the conductive layer using the first photoresist.Type: GrantFiled: January 14, 2016Date of Patent: January 2, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jung Hwan Yi, Jin Oh Song, Chun Ki Choi
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Patent number: 9715120Abstract: An optical modulation device, according to an exemplary embodiment of the present invention, includes first and second plates facing each other, the first and second plates including a plurality of regions, and a liquid crystal layer interposed between the first and second plates, the liquid crystal layer including liquid crystal molecules aligned in a vertical alignment (VA) mode. The first plate includes a non-conductive layer including stepped structures repeatedly arranged in a first direction, a first electrode formed to partially cover the non-conductive layer, and first and second aligners disposed in a second direction different from the first direction, wherein the first and second aligners are aligned in opposite directions with respect to each other. The second plate includes a second electrode.Type: GrantFiled: August 5, 2015Date of Patent: July 25, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyung Ho Jung, Hyun Seung Seo, Chun Ki Choi
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Patent number: 9547180Abstract: A liquid crystal lens device includes a first substrate including a display area, a first non-display area, and a second non-display area with the display area interposed between the first and second non-display areas. First bus lines are disposed over the first non-display area. Second bus lines are disposed over the second non-display area and are insulated from the first bus lines. First electrode groups are disposed over the display area and the first non-display area and are connected to the first bus lines. Second electrode groups are disposed over the display area and the second non-display area and are connected to the second bus lines.Type: GrantFiled: October 16, 2014Date of Patent: January 17, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Oh Song, Kyung Ho Jung, Hae Young Yun, Jung Hwan Yi, Myung Chul Jung, Chun Ki Choi
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Patent number: 9442298Abstract: A liquid crystal display panel and a method for manufacturing the same are provided. The liquid crystal display panel includes a lens area and a peripheral area. The lens area includes a plurality of liquid crystal lenses. Each of the plurality of liquid crystal lenses includes a plurality of electrodes. The peripheral area surrounds the lens area. The peripheral area includes a first bus line layer and a second bus line layer facing each other in a first direction. The first and second bus line layers include first bus lines and second bus lines, respectively. The first and second bus lines are electrically connected to each of the plurality of electrodes through one end of each electrode.Type: GrantFiled: April 22, 2014Date of Patent: September 13, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chun Ki Choi, Kang-Min Kim, Yoon Kyung Park, Jin Oh Song, Seung Jun Jeong
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Publication number: 20160259198Abstract: A method for manufacturing a liquid crystal lens includes: patterning an insulating layer into a plurality of insulating regions spaced apart from each other on a substrate using a first photo mask; depositing a conductive layer on the insulating layer; applying a first, negative photoresist onto the conductive layer; exposing the first photoresist using a second photo mask in which first regions of the first photoresist corresponding to portions between adjacent insulating regions are opened; exposing the first photoresist using a third photo mask in which second regions corresponding to tops of the plurality of insulating regions are opened; and etching the conductive layer using the first photoresist.Type: ApplicationFiled: January 14, 2016Publication date: September 8, 2016Inventors: Jung Hwan Yi, Jin Oh Song, Chun Ki Choi
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Publication number: 20160202490Abstract: An optical modulation device, according to an exemplary embodiment of the present invention, includes first and second plates facing each other, the first and second plates including a plurality of regions, and a liquid crystal layer interposed between the first and second plates, the liquid crystal layer including liquid crystal molecules aligned in a vertical alignment (VA) mode. The first plate includes a non-conductive layer including stepped structures repeatedly arranged in a first direction, a first electrode formed to partially cover the non-conductive layer, and first and second aligners disposed in a second direction different from the first direction, wherein the first and second aligners are aligned in opposite directions with respect to each other. The second plate includes a second electrode.Type: ApplicationFiled: August 5, 2015Publication date: July 14, 2016Inventors: Kyung Ho JUNG, Hyun Seung SEO, Chun Ki CHOI
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Publication number: 20160195739Abstract: A liquid crystal lens panel includes a lens driving unit that generates a lens voltage for controlling an alignment distribution of a liquid crystal; a first fanout part that includes first fanout wires and second fanout wires connected to the lens driving unit; a second fanout part that includes third fanout wires and fourth fanout wires connected to the lens driving unit; a plurality of bus lines disposed in a peripheral area outside a lens area in which a lens shape is implemented; a plurality of first connection wires that connect first fanout wires and second fanout wires to the bus lines; and a plurality of second connection wires that connect third fanout wires and fourth fanout wires to the bus lines, where the first fanout part and the bus lines or the second fanout part and the bus lines are disconnected from each other.Type: ApplicationFiled: July 22, 2015Publication date: July 7, 2016Inventors: CHUN KI CHOI, HAE YOUNG YUN, KYUNG HO JUNG
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Publication number: 20150346560Abstract: A liquid crystal lens device includes a first substrate including a display area, a first non-display area, and a second non-display area with the display area interposed between the first and second non-display areas. First bus lines are disposed over the first s non-display area. Second bus lines are disposed over the second non-display area and are insulated from the first bus lines. First electrode groups are disposed over the display area and the first non-display area and are connected to the first bus lines. Second electrode groups are disposed over the display area and the second non-display area and are connected to the second bus lines.Type: ApplicationFiled: October 16, 2014Publication date: December 3, 2015Inventors: Jin Oh SONG, Kyung Ho JUNG, Hae Young YUN, Jung Hwan YI, Myung Chul JUNG, Chun Ki CHOI
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Publication number: 20150124183Abstract: A liquid crystal display panel and a method for manufacturing the same are provided. The liquid crystal display panel includes a lens area and a peripheral area. The lens area includes a plurality of liquid crystal lenses. Each of the plurality of liquid crystal lenses includes a plurality of electrodes. The peripheral area surrounds the lens area. The peripheral area includes a first bus line layer and a second bus line layer facing each other in a first direction. The first and second bus line layers include first bus lines and second bus lines, respectively. The first and second bus lines are electrically connected to each of the plurality of electrodes through one end of each electrode.Type: ApplicationFiled: April 22, 2014Publication date: May 7, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: CHUN KI CHOI, KANG-MIN KIM, YOON KYUNG PARK, JIN OH SONG, SEUNG JUN JEONG
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Publication number: 20150116612Abstract: A display device and a driving method thereof is provided. The display device includes a display panel displaying an image and a liquid crystal lens panel including a liquid crystal lens. The liquid crystal lens panel includes a first electrode layer, and a second electrode layer. The first electrode layer includes a plurality of electrodes. A common voltage is applied to the second electrode layer. First and second voltages are applied to first and second electrodes, respectively. The first and second electrodes are in a first zone and a second zone, respectively and are adjacent to a boundary between the first zone and a second zone.Type: ApplicationFiled: April 22, 2014Publication date: April 30, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: JIN OH SONG, Kang-Min Kim, Il-Joo Kim, Yoon Kyung Park, Hyung Woo Yim, Chun Ki Choi