Patents by Inventor Jung-Hwa Park
Jung-Hwa 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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Patent number: 11967669Abstract: A display device is provided including a substrate. A second semiconductor layer is disposed on the substrate. The second semiconductor layer includes Si. A second gate lower electrode overlaps a channel region of the second semiconductor layer. A second gate insulating layer is disposed on the second gate lower electrode. A second gate upper electrode and a light blocking layer are disposed on the second gate insulating layer. A first auxiliary layer is disposed on the second gate upper electrode and the light blocking layer. A first semiconductor layer overlaps the light blocking layer. The first semiconductor layer includes an oxide semiconductor. A first gate electrode overlaps a channel region of the first semiconductor layer. The first auxiliary layer includes an insulating layer including at least one compound selected from SiNx, SiOx, and SiON, and at least one material selected from F, Cl, and C.Type: GrantFiled: June 17, 2022Date of Patent: April 23, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Bum Han, Young Gil Park, Jung Hwa Park, Na Ri Ahn, Soo Im Jeong, Ki Nam Kim, Moon Sung Kim
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Publication number: 20240113318Abstract: A polymer electrolyte membrane having improved chemical or mechanical durability is provided. The present disclosure relates to a polymer electrolyte membrane, and the polymer electrolyte membrane according to the present disclosure comprises a porous support and a composite layer containing a first ionomer filled in the porous support, wherein the polymer electrolyte membrane comprises a first segment having a first durability and a second segment having a second durability, and the first durability is higher than the second durability.Type: ApplicationFiled: September 17, 2021Publication date: April 4, 2024Inventors: Eun Su LEE, Dong Hoon LEE, Na Young KIM, Jung Hwa PARK, Hye Song LEE
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Publication number: 20240107857Abstract: A display device includes a thin-film transistor, a source/drain electrode and an auxiliary electrode including a first conductive layer and a second conductive layer disposed on the first conductive layer, a via insulating layer having a first opening exposing the auxiliary electrode, a capping layer covering a portion of the auxiliary electrode and a light emitting material layer and a common electrode layer sequentially stacked on the via insulating layer and the capping layer, wherein the source/drain electrode is electrically connected to the thin-film transistor through a contact hole penetrating the interlayer insulating layer, the auxiliary electrode has an undercut, and the capping layer includes a first capping layer covering side surfaces of the first conductive layer of the auxiliary electrode and a second capping layer separated from the first capping layer and disposed on the second conductive layer of the auxiliary electrode.Type: ApplicationFiled: June 20, 2023Publication date: March 28, 2024Applicant: Samsung Display Co., LTD.Inventors: Joon Gu LEE, Hye Jin GWARK, Jae Ik KIM, Hwi KIM, Jung Sun PARK, Yeon Hwa LEE
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Patent number: 11938247Abstract: Provided are a method for fabricating a human nasal turbinate-derived mesenchymal stem cell-based 3D bioprinted construct, and a use thereof, wherein the human nasal turbinate-derived mesenchymal stem cell-based, 3D bioprinted construct is advantageous over conventional mesenchymal stem cell-based, 3D bioprinted constructs in that the former can survive and proliferate stably in vitro and/or in vivo and shows high osteogenic differentiation ability as well, therefore is expected to make a great contribution to the practical use of cellular therapeutic agents.Type: GrantFiled: May 2, 2018Date of Patent: March 26, 2024Assignee: CATHOLIC UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATIONInventors: Sung Won Kim, Jung Yeon Lim, Sun Hwa Park, Byeong Gon Yoon, Dong-Woo Cho, Jinah Jang, Seok Won Kim
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Publication number: 20240099114Abstract: A display device may include a first electrode, a second electrode, an emission layer, an intervening layer, and a first encapsulation layer. The second electrode may overlap the first electrode. The emission layer may be disposed between the first electrode and the second electrode, may overlap the first electrode, and may include a light emitting material. The intervening layer may directly contact the second electrode, may be spaced from each of the first electrode and the emission layer, and may include a fluorine compound. A first section of the first encapsulation layer may overlap the emission layer. The intervening layer may be positioned between the second electrode and a second section of the first encapsulation layer.Type: ApplicationFiled: November 24, 2023Publication date: March 21, 2024Inventors: Jae Sik KIM, Jae Ik KIM, Jung Sun PARK, Seung Yong SONG, Duck Jung LEE, Yeon Hwa LEE, Joon Gu LEE, Kyu Hwan HWANG
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Publication number: 20240092228Abstract: A seat for a vehicle, includes a second row center seat and a second row side seat provided on a partition wall positioned rearward of a driver seat, the second row center seat may move leftward or rightward, and an interval between the seats may be increased in a state in which the second row center seat is moved in a right direction away from the second row side seat, which makes it possible to maximally prevent body contact between a passenger in the second row center seat and a passenger in the second row side seat.Type: ApplicationFiled: January 20, 2023Publication date: March 21, 2024Applicants: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc.Inventors: Jung Sang YOU, Yong Chul Kim, Dae Hee Lee, Eun Sue Kim, Jae Hoon Cho, Han Kyung Park, Jae Sung Shin, Hae Dong Kwak, Jun Sik Hwang, Gwon Hwa Bok
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Patent number: 11919122Abstract: A substrate processing apparatus includes: a conveyor belt configured to have an outer surface on which a bottom surface of a substrate is seated; and a polishing head unit configured to face an upper surface of the substrate, wherein the polishing head unit includes: a polishing head connected to a driver; a polishing pad configured to face the polishing head; a polishing pad fixing ring disposed between the polishing head and the polishing pad; and a temperature sensor configured to overlap the polishing pad fixing ring and to be spaced apart from the polishing pad fixing ring.Type: GrantFiled: September 29, 2020Date of Patent: March 5, 2024Assignees: SAMSUNG DISPLAY CO., LTD., KCTECH CO., LTD.Inventors: Seung Bae Kang, Sung Hyeon Park, Jung Gun Nam, Joon-Hwa Bae, Kyung Bo Lee, Keun Woo Lee, Woo Jin Cho, Byoung Kwon Choo
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Publication number: 20240067056Abstract: The present disclosure relates to a vehicle rear seat including: a center seat; and side seats located on the left and right of the center seat, wherein, the center seat is capable of protruding by moving the center seat forward with respect to the side seats, and in the state in which the center seat protrudes forward, it is possible to increase an inter-passenger distance so that physical contact between the passenger of the center seat and the passenger of each of the side seats can be prevented as much as possible.Type: ApplicationFiled: March 6, 2023Publication date: February 29, 2024Inventors: Jung Sang You, Yong Chul Kim, Dae Hee Lee, Eun Sue Kim, Jae Hoon Cho, Han Kyung Park, Jae Sung Shin, Hae Dong Kwak, Jun Sik Hwang, Gwon Hwa Bok
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Patent number: 11917898Abstract: A display device includes: a substrate including a display area and a folding area positioned in a portion of the display area; a display structure disposed on the substrate; a protection film disposed on the substrate and overlapping the folding area; an adhesive member disposed between the protection film and the substrate, wherein the protection film adheres to the substrate by the adhesive member; a first antistatic layer disposed between the protection film and the adhesive member, wherein the first antistatic layer includes a first compound; a second antistatic layer disposed on a bottom surface of the protection film, wherein the second antistatic layer includes a second compound; and a supporting member disposed on the second antistatic layer, wherein the supporting member includes an opening overlapping the folding area.Type: GrantFiled: October 31, 2022Date of Patent: February 27, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung June Park, Jung-Hun Lee, Ji Hwa Lee
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Patent number: 11817608Abstract: Disclosed are: a polymer electrolyte membrane which can prevent ionic conductor loss even upon the occurrence of chemical degradation in the ionic conductor according to long term use and thus can be significantly improved in chemical durability; a manufacturing method therefor; and an electrochemical device comprising same. The polymer electrolyte membrane of the present disclosure comprises a polymer electrolyte material. The polymer electrolyte material comprises an ionic conductor and a crosslinker unbound to the ionic conductor. The crosslinker has at least one cross-linkable functional group which can couple with the ionic conductor that has been degraded, thereby causing crosslinking with the ionic conductor.Type: GrantFiled: June 17, 2020Date of Patent: November 14, 2023Assignee: KOLON INDUSTRIES, INC.Inventors: Jung Hwa Park, Dong Hoon Lee, Na Young Kim, Eun Su Lee, Seung Jib Yum
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METHOD FOR MANUFACTURING POLYMER ELECTROLYTE MEMBRANE, AND ELECTROLYTE MEMBRANE MANUFACTURED BY SAME
Publication number: 20230006232Abstract: The present disclosure relates to a method for manufacturing a polymer electrolyte membrane, the method comprising the steps of (a) preparing a porous support containing a plurality of pores, (b) preparing an ion conductor dispersion solution by dispersing an ion conductor in a dispersion medium, (c) contacting the dispersion medium with the porous support to wet the dispersion medium on the porous support, and (d) introducing the ion conductor to at least one surface of the porous support by applying the ion conductor dispersion solution to the porous support wetted with the dispersion medium, and a polymer electrolyte membrane manufactured thereby.Type: ApplicationFiled: September 28, 2021Publication date: January 5, 2023Inventors: Na Young KIM, Dong Hoon LEE, Eun Su LEE, Jung Hwa PARK, Hye Song LEE -
Publication number: 20220416284Abstract: The present disclosure relates to a polymer electrolyte membrane comprising a polymer membrane containing an ion conductor, and a plurality of composite fibers, wherein the composite fiber comprises a core portion continuously formed in the longitudinal direction of the composite fiber and a matrix portion surrounding the core portion, and the core portion contains an ion exchange functional group.Type: ApplicationFiled: September 28, 2021Publication date: December 29, 2022Inventors: Na Young KIM, Dong Hoon LEE, Eun Su LEE, Jung Hwa PARK, Hye Song Lee
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Publication number: 20220320391Abstract: A display device is provided including a substrate. A second semiconductor layer is disposed on the substrate. The second semiconductor layer includes Si. A second gate lower electrode overlaps a channel region of the second semiconductor layer. A second gate insulating layer is disposed on the second gate lower electrode. A second gate upper electrode and a light blocking layer are disposed on the second gate insulating layer. A first auxiliary layer is disposed on the second gate upper electrode and the light blocking layer. A first semiconductor layer overlaps the light blocking layer. The first semiconductor layer includes an oxide semiconductor. A first gate electrode overlaps a channel region of the first semiconductor layer. The first auxiliary layer includes an insulating layer including at least one compound selected from SiNx, SiOx, and SiON, and at least one material selected from F, Cl, and C.Type: ApplicationFiled: June 17, 2022Publication date: October 6, 2022Inventors: Jae-Bum HAN, Young Gil Park, Jung Hwa Park, Na Ri Ahn, Soo Im Jeong, Ki Nam Kim, Moon Sung Kim
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Publication number: 20220320557Abstract: Disclosed are: a polymer electrolyte membrane which can prevent ionic conductor loss even upon the occurrence of chemical degradation in the ionic conductor according to long term use and thus can be significantly improved in chemical durability; a manufacturing method therefor; and an electrochemical device comprising same. The polymer electrolyte membrane of the present disclosure comprises a polymer electrolyte material. The polymer electrolyte material comprises an ionic conductor and a crosslinker unbound to the ionic conductor. The crosslinker has at least one cross-linkable functional group which can couple with the ionic conductor that has been degraded, thereby causing crosslinking with the ionic conductor.Type: ApplicationFiled: June 17, 2020Publication date: October 6, 2022Inventors: Jung Hwa PARK, Dong Hoon LEE, Na Young KIM, Eun Su LEE, Seung Jib YUM
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Patent number: 11444305Abstract: Disclosed are a polymer electrolyte membrane, a method of manufacturing the membrane, and a membrane-electrode assembly including the membrane. The polymer electrolyte membrane contains a porous support having a plurality of pores, a first layer including a first ion conductor that fills the pores adjoining one surface of the porous support, and a second layer including a second ion conductor that fills the pores adjoining the other surface of the porous support, wherein the first ion conductor and the second ion conductor are different from each other, and one selected from the group consisting of the first layer, the second layer, and a combination thereof includes an organic-based antioxidant.Type: GrantFiled: September 27, 2018Date of Patent: September 13, 2022Inventors: Dong-Hoon Lee, Na-Young Kim, Jung-Hwa Park, Eun-Su Lee
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Publication number: 20220285715Abstract: Disclosed are: an ionomer dispersion having high dispersion stability while also containing high content of ionomer solids, thus optimizing the ionomer morphology in a polymer electrolyte membrane to allow both the ion conductivity and durability of the polymer electrolyte membrane to be improved; a method for producing the ionomer dispersion; and a polymer electrolyte membrane produced using the method.Type: ApplicationFiled: September 29, 2020Publication date: September 8, 2022Inventors: Na Young KIM, Dong Hoon LEE, Eun Su LEE, Jung Hwa PARK, Seung Jib YUM, Chang Hoon OH, Hye Song LEE
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Publication number: 20220238901Abstract: Disclosed are: a reinforced composite membrane-type polymer electrolyte membrane which can prevent the loss of an ion conductor even when the ion conductor is chemically deteriorated due to long-term use, and thus has remarkably enhanced mechanical and chemical durability; a method for manufacturing same; and an electrochemical device comprising same. The polymer electrolyte membrane of the present invention comprises: a non-crosslinked ion conductor; and a porous support having a plurality of pores filled with the ion conductor, wherein the porous support comprises a polymer having at least one crosslinking functional group, and the crosslinking functional group is a functional group which, when the ion conductor is deteriorated, can cause crosslinking of the ion conductor by binding to the deteriorated ion conductor.Type: ApplicationFiled: July 3, 2020Publication date: July 28, 2022Inventors: Jung Hwa PARK, Kwang Sei OH, Dong Hoon LEE, Na Young KIM, Eun Su LEE, Seung Jib YUM
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Patent number: 11367815Abstract: A display device is provided including a substrate. A second semiconductor layer is disposed on the substrate. The second semiconductor layer includes Si. A second gate lower electrode overlaps a channel region of the second semiconductor layer. A second gate insulating layer is disposed on the second gate lower electrode. A second gate upper electrode and a light blocking layer are disposed on the second gate insulating layer. A first auxiliary layer is disposed on the second gate upper electrode and the light blocking layer. A first semiconductor layer overlaps the light blocking layer. The first semiconductor layer includes an oxide semiconductor. A first gate electrode overlaps a channel region of the first semiconductor layer. The first auxiliary layer includes an insulating layer including at least one compound selected from SiNx, SiOx, and SiON, and at least one material selected from F, Cl, and C.Type: GrantFiled: July 28, 2020Date of Patent: June 21, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Bum Han, Young Gil Park, Jung Hwa Park, Na Ri Ahn, Soo Im Jeong, Ki Nam Kim, Moon Sung Kim
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Patent number: 11302949Abstract: A polymer electrolyte membrane, a method for manufacturing the same, and a membrane electrode assembly containing the polymer electrolyte membrane are disclosed. The polymer electrolyte membrane includes: a fluorine-based support containing a plurality of pores due to polymer microfibrillar structures; a hybrid porous support placed on one side or both surfaces of the fluorine-based support and comprising nanowebs obtained by integrating nanofibers into a nonwoven fabric containing a plurality of pores; and ion conductors with which the pores of the porous support are filled. The polymer electrolyte membrane can reduce hydrogen permeability while being excellent in both durability and ion conductivity.Type: GrantFiled: November 30, 2018Date of Patent: April 12, 2022Inventors: Dong-Hoon Lee, Na-Young Kim, Eun-Su Lee, Jung-Hwa Park
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Publication number: 20210242481Abstract: The present invention relates to a polymer electrolyte membrane, a manufacturing method therefor, and a membrane electrode assembly comprising same, the polymer electrolyte membrane comprising: a first porous support having first pores filled with a first ion conductor; and a second porous support having at least one second pore filled with the first ion conductor and third pores filled with a second ion conductor, wherein the first and second porous supports are in contact with each other. The polymer electrolyte membrane has enhanced performance through the improvement of impregnation properties and enhanced mechanical and chemical durability through the minimization of hydrogen permeability and dimensional change. Furthermore, an interface between the ion conductor and the support in the polymer electrolyte membrane can be stably maintained for a long time.Type: ApplicationFiled: June 28, 2019Publication date: August 5, 2021Inventors: Na Young KIM, Moo Seok LEE, Dong Hoon LEE, Eun Su LEE, Seung Jib YUM, Jung Hwa PARK