Patents by Inventor Chul-Gu Lee
Chul-Gu Lee 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: 20240088440Abstract: A lithium secondary battery includes a negative electrode, a positive electrode positioned opposite to the negative electrode, a separator disposed between the negative electrode and the positive electrode, and a non-aqueous electrolyte, wherein the negative electrode includes a silicon-based active material, the silicon-based active material comprises a compound represented by SiOx, wherein 0?x<2, the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, the additive includes a first additive and a second additive, the first additive includes a coumarin-based compound represented by Formula 1, and the second additive includes at least one of lithium fluoromalonato(difluoro)borate (LiFMDFB), lithium difluoro(oxalato)borate (LiDFOB), lithium difluorophosphate (LiDFP), or lithium difluorobis-(oxalate)phosphate (LiDFOP): wherein R and n are described herein.Type: ApplicationFiled: August 17, 2023Publication date: March 14, 2024Applicant: LG Energy Solution, Ltd.Inventors: Yoon Gyo Cho, Chul Haeng Lee, Kyung Mi Lee, Jung Min Lee, Eun Bee Kim, Su Hyeon Ji, Chul Eun Yeom, Jung Gu Han
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Patent number: 10030908Abstract: Disclosed herein is a natural gas liquefaction process using a single refrigeration cycle adopting a mixed refrigerant, and therefore having a simple structure and thus a compact system which is easy to operate, and further, after the mixed refrigerant is separated into two refrigerant parts, the two refrigerant parts are not mixed with each other but go through condensing (cooling), expanding, heat-exchanging, and compressing stages individually, and thus, optimal temperature and pressure conditions are applied to each of the separated refrigerant parts to increase efficiency of the liquefaction process.Type: GrantFiled: August 11, 2011Date of Patent: July 24, 2018Assignee: KOREA GAS CORPORATIONInventors: Sang Gyu Lee, Kun Hyung Choe, Young Myung Yang, Chul Gu Lee, Kyu Sang Cha, Chang Won Park, Sung Hee Choi, Yeong Beom Lee
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Patent number: 9066618Abstract: A juice extracting apparatus of the present invention includes an extracting case having a juice outlet and a sludge outlet communicating an internal space thereof with an outside, an extracting screw unit positioned in the internal space of the extracting case, the extracting screw unit having a screw shaft connected to a drive shaft of a driving unit, a screw blade formed on an outer peripheral surface of the screw shaft and a sun gear mounted at the lower end of the screw shaft, a rotary extracting net unit in which the extracting screw unit is positioned, the rotary extracting net unit having a mesh net and a ring gear provided at its lower portion, and a discharge guide unit positioned at the lower portion of the rotary extracting net unit for guiding the sludge resulting from the extracting.Type: GrantFiled: March 5, 2012Date of Patent: June 30, 2015Assignee: TONGYANG MAGIC Inc.Inventors: Tae Gyu Lim, Chul Gu Lee, Kyoung Ho Lee, Dong Hoon Kang
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Patent number: 8902210Abstract: An LCD device includes dual gate transistors provided to an output portion of the shift register for outputting a gate voltage. As such, the charge/discharge time of the output portion is reduced so the response time of liquid crystal is improved.Type: GrantFiled: August 9, 2010Date of Patent: December 2, 2014Assignee: LG Display Co., Ltd.Inventors: Kyo Ho Moon, Chul Gu Lee, Hoon Choi, Yong Soo Cho, Sang Kug Han
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Patent number: 8879012Abstract: An array substrate for a liquid crystal display device and a fabrication method thereof, and a liquid crystal display device having the same are disclosed. The array substrate for a liquid crystal display device and a fabrication method thereof, and a liquid crystal display device having the same according to the present disclosure eliminate optical loss by use of a shielding film that can decrease the optic leakage current to minimize the optic leakage loss, thus it is possible to improve the picture quality.Type: GrantFiled: September 17, 2009Date of Patent: November 4, 2014Assignee: LG Display Co., Ltd.Inventors: Kyo Ho Moon, Chul Gu Lee, Seong Woo Jeong, Jeong Yeon Kim, Ji Suk Kim, Hoon Choi, Sang Moo Park, Sang Kug Han
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Publication number: 20130263623Abstract: Disclosed herein is a natural gas liquefaction process of pre-cooling natural gas using a closed loop pre-cooling cycle and liquefying the pre-cooled natural gas using a closed loop liquefying cycle, wherein the closed loop pre-cooling cycle includes first and second pre-cooling cycles in parallel for pre-cooling supplied natural gases together in the same first heat exchange region through the respective pure refrigerants, and the closed loop liquefying cycle includes at least one liquefying cycle for liquefying the pre-cooled natural gas through a mixed refrigerant, the first and second pre-cooling cycles being a closed circuit cooling cycle.Type: ApplicationFiled: October 25, 2011Publication date: October 10, 2013Applicant: KOREA GAS CORPORATIONInventors: Sang Gyu Lee, Kun Hyung Choe, Kyu Sang Cha, Chang Won Park, Yeong Beom Lee, Yong Bum Cho, Chul Gu Lee, Ho-Myung Chang
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Publication number: 20130133362Abstract: Disclosed herein is a natural gas liquefaction process using a single refrigeration cycle adopting a mixed refrigerant, and therefore having a simple structure and thus a compact system which is easy to operate, and further, after the mixed refrigerant is separated into two refrigerant parts, the two refrigerant parts are not mixed with each other but go through condensing (cooling), expanding, heat-exchanging, and compressing stages individually, and thus, optimal temperature and pressure conditions are applied to each of the separated refrigerant parts to increase efficiency of the liquefaction process.Type: ApplicationFiled: August 11, 2011Publication date: May 30, 2013Inventors: Sang Gyu Lee, Kun Hyung Choe, Young Myung Yang, Chul Gu Lee, Kyu Sang Cha, Chang Won Park, Sung Hee Choi, Yeong Beom Lee
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Publication number: 20120227592Abstract: A juice extracting apparatus, which can improve juice extracting efficiency without increasing a number of revolutions of a driving means, is disclosed. A juice extracting apparatus, which can easily clean components including an extracting net unit, while minimizing sludge stuck in or sticking on a component, is also disclosed.Type: ApplicationFiled: March 5, 2012Publication date: September 13, 2012Applicant: Tong Yang Inc.Inventors: Tae Gyu Lim, Chul Gu Lee, Kyoung Ho Lee, Dong Hoon Kang
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Patent number: 8106864Abstract: An LCD device is disclosed. The LCD device includes dual gate transistors provided to an output portion for outputting a gate voltage. As such, the charge/discharge time of the output portion is reduced so the response time of liquid crystal is improved.Type: GrantFiled: September 9, 2009Date of Patent: January 31, 2012Assignee: LG Display Co., Ltd.Inventors: Kyo Ho Moon, Chul Gu Lee, Hoon Choi, Yong Soo Cho, Sang Kug Han
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Publication number: 20100302230Abstract: An LCD device includes dual gate transistors provided to an output portion of the shift register for outputting a gate voltage. As such, the charge/discharge time of the output portion is reduced so the response time of liquid crystal is improved.Type: ApplicationFiled: August 9, 2010Publication date: December 2, 2010Inventors: Kyo Ho Moon, Chul Gu Lee, Hoon Choi, Yong Soo Cho, Sang Kug Han
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Publication number: 20100231492Abstract: An LCD device is disclosed. The LCD device includes dual gate transistors provided to an output portion for outputting a gate voltage. As such, the charge/discharge time of the output portion is reduced so the response time of liquid crystal is improved.Type: ApplicationFiled: September 9, 2009Publication date: September 16, 2010Inventors: Kyo Ho Moon, Chul Gu Lee, Hoon Choi, Yong Soo Cho, Sang Kug Han
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Publication number: 20100091212Abstract: An array substrate for a liquid crystal display device and a fabrication method thereof, and a liquid crystal display device having the same are disclosed. The array substrate for a liquid crystal display device and a fabrication method thereof, and a liquid crystal display device having the same according to the present disclosure eliminate optical loss by use of a shielding film that can decrease the optic leakage current to minimize the optic leakage loss, thus it is possible to improve the picture quality.Type: ApplicationFiled: September 17, 2009Publication date: April 15, 2010Inventors: Kyo Ho MOON, Chul Gu LEE, Seong Woo JEONG, Jeong Yeon KIM, Ji Suk KIM, Hoon CHOI, Sang Moo PARK, Sang Kug HAN
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Patent number: 7453545Abstract: In a liquid crystal display panel, by controlling the number or a size of a support member added to a seal pattern for attaching two substrate of a liquid crystal display panel to each other, in case that the seal pattern is formed at an upper surface of a black matrix or of an over-coast layer formed of an organic film material, outer air is prevented from flowing into an image display part, and the seal pattern is prevented from being broken, so that it may be minimized that a deficiency occurs in the liquid crystal display panel.Type: GrantFiled: April 7, 2004Date of Patent: November 18, 2008Assignee: LG Display Co., Ltd.Inventors: Bong-Chul Kim, Myung-Woo Nam, Kyung-Kyu Kang, Chul-Gu Lee, Gweon-Young Park, Chang-Ho Oh, Yun-Rak Lee
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Publication number: 20050001969Abstract: In a liquid crystal display panel, by controlling the number or a size of a support member added to a seal pattern for attaching two substrate of a liquid crystal display panel to each other, in case that the seal pattern is formed at an upper surface of a black matrix or of an over-coast layer formed of an organic film material, outer air is prevented from flowing into an image display part, and the seal pattern is prevented from being broken, so that it may be minimized that a deficiency occurs in the liquid crystal display panel.Type: ApplicationFiled: April 7, 2004Publication date: January 6, 2005Inventors: Bong-Chul Kim, Myung-Woo Nam, Kyung-Kyu Kang, Chul-Gu Lee, Gweon-Young Park, Chang-Ho Oh, Yun-Rak Lee