Patents by Inventor Ji Yeon Choi
Ji Yeon 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: 11662388Abstract: The present disclosure relates to an apparatus for estimating a battery free capacity, and more particularly, an apparatus for estimating a free capacity of a half cell of a battery. According to the present disclosure, it is possible to accurately estimate a free capacity of a half cell without inserting a reference electrode by revising an entire SOC region of a half cell by using an inflection point detected based on SOC-voltage data of a full cell and a half cell of the battery, respectively, and then estimating SOC-voltage data based on a SOC difference between the entire SOC regions before and after the revision.Type: GrantFiled: October 31, 2018Date of Patent: May 30, 2023Assignee: LG Energy Solution, Ltd.Inventors: Yoon-Jung Bae, Dae-Soo Kim, Ji-Yeon Kim, Dong-Kyu Kim, Jae-Hyun Lee, Jin-Hyung Lim, Young-Geun Choi
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Patent number: 11661616Abstract: The present disclosure relates to a microorganism having increased glycine productivity and a method for producing a fermented composition using the microorganism, and more specifically, to a microorganism of the genus Corynebacterium having increased glycine productivity due to the introduction of a mutation in HisG, a method for preparing a fermented composition comprising glycine and glutamic acid using the microorganism of the genus Corynebacterium, and the fermented composition.Type: GrantFiled: March 27, 2019Date of Patent: May 30, 2023Assignee: CJ CHEILJEDANG CORPORATIONInventors: Ji Yeon Lee, Jin Sook Chang, Hyung Joon Kim, Byoung Hoon Yoon, Sun Hyoung Choi, Yunjung Choi
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Patent number: 11659750Abstract: Provided is a tiled display. The tiled display includes: a first display device including a first display area including pixels, a second display device including a second display area including pixels adjacent to the first display area, and a seam between the first display area and the second display area. Each of the first display device and the second display device includes: a first base part supporting a respective one of the first display device and the second display device, a thin-film transistor layer on the first base part, the thin-film transistor layer including thin-film transistors included in the pixels and including connection lines in the seam, and bridge electrodes in the seam to couple between the connection lines of the first display device and the second display device.Type: GrantFiled: August 24, 2021Date of Patent: May 23, 2023Assignee: Samsung Display Co., Ltd.Inventors: Kwi Hyun Kim, Sang Yong No, Tae Ho Kang, Hwa Rang Lee, Joon Hoo Choi, Ji Yeon Choi
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Patent number: 11637170Abstract: A display device, includes: pixels at a display area; gate lines at the display area, and connected to the pixels; carry clock lines and scan clock lines at the display area; and a gate driving circuit distributedly located at the display area, and connected to the carry clock lines, the scan clock lines, and the gate lines. The gate driving circuit includes a plurality of stages, each of the stages to output, as a carry signal, a carry clock signal supplied through a corresponding carry clock line from among the carry clock lines, and to output, as a scan signal, a scan clock signal supplied through a corresponding scan clock line from among the scan clock lines. The corresponding carry clock line and the corresponding scan clock line corresponding to one stage from among the stages are spaced from each other with at least one of the pixels interposed therebetween.Type: GrantFiled: August 17, 2021Date of Patent: April 25, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sang Yong No, Tae Ho Kang, Kwi Hyun Kim, Hwa Rang Lee, Ji Yeon Choi
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Publication number: 20230041072Abstract: A display device includes: a display area and a non-display area; a first pixel area and a second pixel area, each provided in the display area; scan lines extending in a first direction and disposed in the first pixel area and the second pixel area; first sub-scan lines extending in a second direction and disposed in the first pixel area, the second direction intersecting the first direction; second sub-scan lines extending in the second direction and disposed in the first pixel area and the second pixel area; and a pad part provided in the non-display area, the pad part being electrically connected to the first sub-scan lines and the second sub-scan lines. The scan lines are electrically connected to at least one of the first sub-scan lines and the second sub-scan lines. The first sub-scan lines do not overlap the second pixel area in a plan view.Type: ApplicationFiled: July 21, 2022Publication date: February 9, 2023Applicant: Samsung Display Co., LTD.Inventors: Sang Yong NO, Hwa Rang LEE, Kwi Hyun KIM, Ji Yeon CHOI
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Publication number: 20220378676Abstract: Disclosed herein is a composition for enhancing skin elasticity or improving skin wrinkles. In one aspect, 2-isopropylmalic acid or a salt, hydrate or solvate thereof, which is an active ingredient of the present disclosure, activates skin primary cilia and inhibits the expression of MMP-1 to enhance skin elasticity and improve skin wrinkles. In addition, in one aspect, 2-isopropylmalic acid or a salt, hydrate or solvate thereof, which is an active ingredient of the present disclosure, is a safe material and has the advantage that it can be treated in the living body in various forms such as cosmetics and food.Type: ApplicationFiled: May 13, 2022Publication date: December 1, 2022Applicants: AMOREPACIFIC CORPORATION, KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Hyunjung CHOI, Dong-Hyung CHO, Ji-Eun BAE, Joonbum KIM, Ji Yeon CHOI, Daejin MIN, Hye Won NA, Hyoung June KIM, Wonseok PARK
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Publication number: 20220343824Abstract: A display device includes a data driver that outputs a first data signal and a second data signal of different voltages, and a pixel that emits light in response to the first data signal and the second data signal. The pixel includes a current generator generating a driving current corresponding to the first data signal, a first light emitting part including a first electrode, a second electrode, and a first light emitting element, a second light emitting part including a third electrode, a fourth electrode connected, and a second light emitting element, and a current controller controlling a divided current supplied to the second light emitting part in response to the second data signal.Type: ApplicationFiled: December 8, 2021Publication date: October 27, 2022Applicant: Samsung Display Co., LTD.Inventors: Kwi Hyun KIM, Sang Yong NO, Hwa Rang LEE, Ji Yeon CHOI
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Patent number: 11468817Abstract: A display device includes a data driver that outputs a first data signal and a second data signal of different voltages, and a pixel that emits light in response to the first data signal and the second data signal. The pixel includes a current generator generating a driving current corresponding to the first data signal, a first light emitting part including a first electrode, a second electrode, and a first light emitting element, a second light emitting part including a third electrode, a fourth electrode connected, and a second light emitting element, and a current controller controlling a divided current supplied to the second light emitting part in response to the second data signal.Type: GrantFiled: December 8, 2021Date of Patent: October 11, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kwi Hyun Kim, Sang Yong No, Hwa Rang Lee, Ji Yeon Choi
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Publication number: 20220293052Abstract: Provided herein may be a pixel. The pixel may include a driving transistor including a gate electrode coupled to a first node, a first electrode coupled to a first power line, and a second electrode coupled to a second node, a control transistor including a gate electrode coupled to the first node, a first electrode coupled to the second node, and a second electrode that is different from the first electrode, a first emission unit including at least one light-emitting element coupled between the second electrode of the control transistor and a second power line, and a second emission unit including at least one light-emitting element coupled between the second node and the second power line, wherein the second electrode of the control transistor is coupled to a first electrode of the first emission unit.Type: ApplicationFiled: November 5, 2021Publication date: September 15, 2022Inventors: Hwa Rang LEE, Kwi Hyun KIM, Sang Yong NO, Ji Yeon CHOI
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Publication number: 20220231079Abstract: A display device includes a first substrate including a display area comprising pixels, and a non-display area surrounding the display area, a thin film transistor layer disposed on the first substrate and comprising a thin film transistor, a second substrate disposed on the thin film transistor layer and facing the first substrate, a sealing part disposed between the first substrate and the second substrate in the non-display area, and bonding the first and second substrates, a metal line disposed in the non-display area on the thin film transistor layer and overlapping the sealing part, and an antistatic member comprising a support supported by the metal line, a first receiver protruding from a top portion of the support to an exterior of the sealing part, and a second receiver protruding from a bottom portion of the support toward the exterior of the sealing part and facing the first receiver.Type: ApplicationFiled: September 23, 2021Publication date: July 21, 2022Applicant: Samsung Display Co., LTD.Inventors: Ki Yeup LEE, Sang Yong NO, Ji Yeon CHOI, Tae Ho KANG, Hwa Rang LEE
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Publication number: 20220190093Abstract: A display device, includes: pixels at a display area; gate lines at the display area, and connected to the pixels; carry clock lines and scan clock lines at the display area; and a gate driving circuit distributedly located at the display area, and connected to the carry clock lines, the scan clock lines, and the gate lines. The gate driving circuit includes a plurality of stages, each of the stages to output, as a carry signal, a carry clock signal supplied through a corresponding carry clock line from among the carry clock lines, and to output, as a scan signal, a scan clock signal supplied through a corresponding scan clock line from among the scan clock lines. The corresponding carry clock line and the corresponding scan clock line corresponding to one stage from among the stages are spaced from each other with at least one of the pixels interposed therebetween.Type: ApplicationFiled: August 17, 2021Publication date: June 16, 2022Inventors: Sang Yong NO, Tae Ho KANG, Kwi Hyun KIM, Hwa Rang LEE, Ji Yeon CHOI
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Publication number: 20220102476Abstract: Provided is a tiled display. The tiled display includes: a first display device including a first display area including pixels, a second display device including a second display area including pixels adjacent to the first display area, and a seam between the first display area and the second display area. Each of the first display device and the second display device includes: a first base part supporting a respective one of the first display device and the second display device, a thin-film transistor layer on the first base part, the thin-film transistor layer including thin-film transistors included in the pixels and including connection lines in the seam, and bridge electrodes in the seam to couple between the connection lines of the first display device and the second display device.Type: ApplicationFiled: August 24, 2021Publication date: March 31, 2022Inventors: Kwi Hyun KIM, Sang Yong NO, Tae Ho KANG, Hwa Rang LEE, Joon Hoo CHOI, Ji Yeon CHOI
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Publication number: 20210237001Abstract: A pore-filled ion exchange polyelectrolyte composite membrane from which the surface ion exchange polyelectrolyte has been removed and a method of manufacturing the same are provided. The ion exchange polyelectrolyte composite membrane exhibits low film resistance and low in-plane-direction swelling degree, and has a smaller film-thickness than a commercial film, and thus, can be used for various purposes. In addition, since the pore-filled ion exchange polyelectrolyte composite membrane is continuously manufactured through a roll-to-roll process, the manufacturing process is simple, and manufacturing costs can be greatly reduced.Type: ApplicationFiled: April 29, 2019Publication date: August 5, 2021Inventors: Young Woo Choi, Mi Soon Lee, Tae Young Kim, Young Gi Yoon, Beom Jun Kim, Min Ho Seo, Chi Young Jung, Jong Min Lee, Nam-jo Jeong, Seung Cheol Yang, Ji Yeon Choi
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Publication number: 20210190029Abstract: An electric power generation system of the present invention comprises an upper reservoir for storing water, a lower reservoir for storing water dropped from the upper reservoir, a pressure chamber for pressurizing and spouting water falling from the upper reservoir, an electric generator formed to be driven by a water turbine rotating by the spouted water and a capacitor, a preliminary power generation equipment that generates electricity using water bypassed from the upper reservoir and water supplied from the outside to charge the capacitor, and a pump that is driven by the capacitor and is formed to pump water from the lower reservoir to the upper reservoir, said electric generator includes an internal power electric generator that supplies the generated power to devices inside the system, and an external power electric generator that supplies the generated power to the outside of the system.Type: ApplicationFiled: November 7, 2017Publication date: June 24, 2021Inventor: Ji Yeon CHOI
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Publication number: 20200316354Abstract: Disclosed is an energy self-sufficient real time bio-signal monitoring and nutrient and/or drug delivery system based on salinity gradient power generation. The energy self-sufficient real time bio-signal monitoring and/or nutrient delivery system based on salinity gradient power generation includes: an electricity generation and nutrient and/or drug delivery module including a reverse electrodialysis device which generates electricity by using a nutrient and/or drug solution and discharge a diluted nutrient solution; and a bio-signal measuring unit inserted into the electricity generation and nutrient and/or drug delivery module and configured to receive electricity from the electricity generation and nutrient and/or drug delivery module and measure a bio-signal.Type: ApplicationFiled: February 2, 2018Publication date: October 8, 2020Inventors: Nam-jo JEONG, Ji Yeon CHOI, Han-Ki KIM, Seung Cheol YANG, Kyo Sik HWANG, Ji Hyung HAN, Joo-Youn NAM, Eun-Jin JWA, Soon-Chul PARK, Yong-Seog SEO, Moon-Seok JANG
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Patent number: 10565368Abstract: Provided are an electronic device and a method of controlling same. The method of controlling the electronic device: displays a UI including a security index showing that the electronic device is in a state operating in a secure mode; compares the security index to a reference security index and determines whether the security index has been falsified; and when the security index is a falsified security index, shows that the security index is a security index that has been falsified.Type: GrantFiled: July 5, 2016Date of Patent: February 18, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung-soo Kwag, Chang-sup Ahn, Joon-hyuk Ryu, Jung-kyuen Lee, Ji-yeon Choi, Sung-hyun Hong
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Patent number: 10522849Abstract: The present invention relates to an electrochemical cell having a channel-type flow-electrode unit. The channel-type flow-electrode structure according to the present invention, which has at least two channel-type flow-electrode units, can significantly reduce manufacturing costs and installation space by reducing the number of parts while extending the electrode capacity to be suitable for large-scale plants for electricity generation, energy storage, desalination, etc. In addition, the channel-type flow-electrode structure can be applied not only to a capacitive flow-electrode device and/or a redox flow battery device, but also to all of the devices for electricity generation, energy storage, and desalination while moving ions or protons.Type: GrantFiled: September 1, 2017Date of Patent: December 31, 2019Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Dong-Kook Kim, Sung-Il Jeon, Ko-Yeon Choo, Younghyun Cho, Jeong-Gu Yeo, Jong-Soo Park, SeungCheol Yang, Ji Yeon Choi, Hong Ran Park, Ki Sook Lee, Young Jik Youn, Jung Hyun Lee, Hee-Yeon Kim
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Patent number: 10509902Abstract: Provided are an electronic device and a method of controlling same. The method of controlling the electronic device: displays a UI including a security index showing that the electronic device is in a state operating in a secure mode; compares the security index to a reference security index and determines whether the security index has been falsified; and when the security index is a falsified security index, shows that the security index is a security index that has been falsified.Type: GrantFiled: July 5, 2016Date of Patent: December 17, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung-soo Kwag, Chang-sup Ahn, Joon-hyuk Ryu, Jung-kyuen Lee, Ji-yeon Choi, Sung-hyun Hong
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Patent number: 10427982Abstract: A method includes: supplying sources or nanoparticles of any one or two or more combinations selected from a group which consists of a carbon source, a doping source, a doped element containing carbon source, and a waste plastic source into a high-temperature and high-pressure closed autoclave, completely closing the high-temperature and high-pressure closed autoclave, and forming a nanoparticle-carbon core-shell structure by a single process by coating a carbon layer on the surface of the nanoparticles or forming a core-shell structure of nanoparticle-doped carbon by the single process by coating a carbon layer doped with the doped element on the surface of the nanoparticles under pressure self-generated in the autoclave and a reaction temperature in the range of 500 to 850° C. by heating the autoclave.Type: GrantFiled: September 16, 2016Date of Patent: October 1, 2019Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Namjo Jeong, Chan-Soo Kim, Ji Yeon Choi, Joo-youn Nam, Soon-chul Park, Moon seok Jang, Kangmin Chon, Ji-Hyung Han, Han-Ki Kim, Eun-Jin Jwa
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Patent number: 10384201Abstract: Disclosed is a direct synthesis method of nanostructured catalyst particles on surfaces of various supports.Type: GrantFiled: February 17, 2017Date of Patent: August 20, 2019Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Namjo Jeong, Chan-Soo Kim, Eun-Jin Jwa, Ji Yeon Choi, Joo-Youn Nam, Soon-Chul Park, Moon-Seok Jang, Yong Seok Seo, Kyo Sik Hwang, Han Ki Kim, Ji Hyung Han, Tae Young Kim, Young Gi Yoon