Patents by Inventor Su Jin Choi
Su Jin 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: 11980075Abstract: An organic light emitting display device includes a substrate having a display area and a peripheral area; a pad disposed on the substrate in the peripheral area; a first conductive pattern disposed on one side of the display area in the peripheral area and electrically connected to the pad; a second conductive pattern disposed on the substrate in the peripheral area and disposed on an opposite side of the first conductive pattern; a first connection electrode disposed on the first conductive pattern in the peripheral area and electrically connected to the first conductive pattern; and a second connection electrode disposed on the second conductive pattern in the peripheral area and electrically connected to the second conductive pattern. A cathode electrode of a light emitting diode is disposed on the first and second connection electrodes and electrically connected to the first and second connection electrodes.Type: GrantFiled: May 4, 2023Date of Patent: May 7, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sang Moo Choi, Mi Hae Kim, Sang Won Seok, Hwan Soo Jang, Su Jin Lee
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Patent number: 11976386Abstract: A method of preparing a carbon fiber including: preparing a precursor fiber for preparing a carbon fiber; and stabilizing the precursor fiber. The stabilization of the precursor fiber includes a first stabilization phase, a second stabilization phase, a third stabilization phase, and a fourth stabilization phase, which are set at four different temperatures between a temperature at which heat starts to be generated from the stabilization reaction of the precursor fiber and a temperature at which the generation of heat is maximized. Ozone gas is input while at least one phase of the third stabilization phase and the fourth stabilization phase is carried out.Type: GrantFiled: April 23, 2019Date of Patent: May 7, 2024Assignee: LG CHEM, LTD.Inventors: Jae Gil Choi, Ji Hye Shin, Joon Hee Cho, Su Jin Kim, Ki Hwan Kim, Il Ha Lee, Myung Su Jang
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Publication number: 20240133471Abstract: A valve device including a plurality of flow paths may include a valve case, a valve body rotatable on the valve case, and a valve cover covering and closing the valve case, in which the valve body includes an upper body including three independent flow paths, a center body coupled to a bottom of the upper body and installed to be rotatable integrally with the upper body, and a lower body coupled to a bottom of the center body, installed to be rotatable integrally with the center body, and including three independent flow paths each including input/output ports.Type: ApplicationFiled: October 3, 2023Publication date: April 25, 2024Applicant: DY AUTO CorporationInventors: Sung Jin Hong, Su Hyun Choi
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Publication number: 20240136664Abstract: A battery includes an electrode assembly including a first electrode, a second electrode and a separator between the first electrode and the second electrode, the first electrode, the second electrode and the separator being wound around a winding axis to define a core and an outer peripheral surface. The first electrode and the second electrode include a first uncoated region and a second uncoated region along a winding direction, respectively, and an active material layer coating is absent in the first uncoated region and the second uncoated region. The battery further includes a housing receiving the electrode assembly through an opening formed at a bottom, a first current collector coupled to the first uncoated region and disposed within the housing, a cap covering the opening, a spacer interposed between the cap and the electrode assembly to fix the electrode assembly and seal the housing, and a terminal electrically connected to the second uncoated region.Type: ApplicationFiled: February 18, 2022Publication date: April 25, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Min-Ki JO, Bo-Hyun KANG, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Hae-Jin LIM, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Geon-Woo MIN, Jae-Woong KIM
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Publication number: 20240128517Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.Type: ApplicationFiled: January 19, 2022Publication date: April 18, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Pil-Kyu PARK
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Publication number: 20240128658Abstract: A dual polarization antenna is disclosed in at least one embodiment of the present disclosure, including a base substrate, a power feeding unit supported on the base substrate, and a radiating plate supported on the power feeding unit, wherein the first feeding substrate includes a first insulating substrate supported on the base substrate, and a first feed line attached to the first insulating substrate and configured to supply a first reference phase signal to a first point on the radiating plate and to supply to a second point on the radiating plate, a first reverse phase signal having a reverse phase relative to the first reference phase signal, and wherein the second feeding substrate includes a second insulating substrate supported on the base substrate, and a second feed line attached to the first insulating substrate and configured to supply a second reference phase signal to a third point on the radiating plate and to supply to a fourth point on the radiating plate, a second reverse phase signal haviType: ApplicationFiled: December 15, 2023Publication date: April 18, 2024Applicant: KMW INC.Inventors: Seong Man KANG, Oh Seog CHOI, Hun Jung JUNG, Gyo Jin JO, Su Yong LEE
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Publication number: 20240090328Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.Type: ApplicationFiled: October 26, 2023Publication date: March 14, 2024Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
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Publication number: 20240090326Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound can be a bipolar compound having a p-type moiety and an n-type moiety and has high energy level and proper energy bandgap for an emissive layer of the OLED. As the organic compound is applied into the emissive layer, the OLED can maximize its luminous properties as holes and electrons are recombined uniformly over the whole area in an emitting material layer (EML).Type: ApplicationFiled: September 26, 2023Publication date: March 14, 2024Applicants: LG DISPLAY CO., LTD, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Kyung-Jin YOON, Dae-Wi YOON, Ji-Ae LEE, Su-Na CHOI, Dong-Hoon CHOI, Min-Ju CHO, JiWon YOON
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Publication number: 20240018558Abstract: The present disclosure relates to a microorganism having enhanced L-glutamine production ability and an L-glutamine production method using the same.Type: ApplicationFiled: November 19, 2021Publication date: January 18, 2024Applicant: CJ CHEILJEDANG CORPORATIONInventors: Su Jin CHOI, Sunyoung YANG, Kwang Woo LEE
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Publication number: 20230403887Abstract: A display device includes a first base substrate including a light-emitting area and a non-light-emitting area around the light-emitting area, a wavelength conversion pattern on the first base substrate in the light-emitting area, and a light-emitting element layer on the wavelength conversion pattern. The light-emitting element layer includes a pixel electrode including a first conductive pattern between the wavelength conversion pattern and the first base substrate, and a second conductive pattern on the wavelength conversion pattern and spaced apart from the first conductive pattern, an organic light-emitting layer on the second conductive pattern, and a common electrode on the organic light-emitting layer.Type: ApplicationFiled: August 28, 2023Publication date: December 14, 2023Applicant: Samsung Display Co., LTD.Inventors: Seung In BAEK, Gun Shik KIM, Mi Ra GWON, Young Jun YOO, Young Eun PARK, Jung Hwan YI, Su Jin CHOI, Youn Ho HAN, Jong Beom HONG
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Patent number: 11744114Abstract: A display device includes a first base substrate including a light-emitting area and a non-light-emitting area around the light-emitting area, a wavelength conversion pattern on the first base substrate in the light-emitting area, and a light-emitting element layer on the wavelength conversion pattern. The light-emitting element layer includes a pixel electrode including a first conductive pattern between the wavelength conversion pattern and the first base substrate, and a second conductive pattern on the wavelength conversion pattern and spaced apart from the first conductive pattern, an organic light-emitting layer on the second conductive pattern, and a common electrode on the organic light-emitting layer.Type: GrantFiled: October 1, 2020Date of Patent: August 29, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung In Baek, Gun Shik Kim, Mi Ra Gwon, Young Jun Yoo, Young Eun Park, Jung Hwan Yi, Su Jin Choi, Youn Ho Han, Jong Beom Hong
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Publication number: 20220396815Abstract: The present disclosure relates to a modified polypeptide of glutamine synthetase having enhanced activity and a method of producing L-glutamine using the same. Since production of L-glutamine may be increased by using the novel modified polypeptide without a decrease in a growth rate compared to wild-type strains having glutamine synthetase activity, the modified polypeptide may be widely used for mass production of L-glutamine.Type: ApplicationFiled: March 4, 2021Publication date: December 15, 2022Inventors: Su Jin CHOI, Imsang LEE, Heeyeong KIM, Byeong Soo KIM, Kwang Woo LEE
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Patent number: 11292944Abstract: Provided is an adhesive composition including lysine, citric acid, and water, wherein the lysine and the citric acid are present in the form of an aqueous solution of a salt such that precipitates are not formed in the aqueous solution. In addition, provided is a method of preparing an adhesive composition including mixing lysine, citric acid, and water to thereby form a mixture of the lysine, the citric acid, and the water, and stirring the mixture at a temperature of 80° C. or less, wherein amounts of the lysine, the citric acid, and the water are adjusted such that precipitates of the lysine and the citric acid do not form in the adhesive composition.Type: GrantFiled: March 21, 2018Date of Patent: April 5, 2022Assignee: CJ CHEILJEDANG CORPORATIONInventors: Ji Ho Hwang, Jun Ok Moon, Young Lyeol Yang, Chang Suk Lee, Sang Gwon Moon, Su Jin Choi
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Patent number: 11254845Abstract: Provided is an adhesive composition including lysine, itaconic acid, and water, wherein the lysine and the itaconic acid are present in the form of an aqueous solution of a salt such that precipitates are not formed in the aqueous solution. In addition, provided is a method of preparing an adhesive composition including mixing lysine, itaconic acid, and water to thereby form a mixture of the lysine, the citric acid, and the water, and stirring the mixture at a temperature of 80° C. or less, wherein amounts of the lysine, the itaconic acid, and the water are adjusted such that precipitates of the lysine and the itaconic acid do not form in the adhesive composition.Type: GrantFiled: March 21, 2018Date of Patent: February 22, 2022Assignee: CJ CHEILJEDANG CORPORATIONInventors: Ji Ho Hwang, Jun Ok Moon, Young Lyeol Yang, Chang Suk Lee, Sang Gwon Moon, Su Jin Choi
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Publication number: 20220042000Abstract: The present disclosure relates to a polypeptide having an acyltransferase activity or a microorganism including the same; a composition for preparing N-acetyl-L-methionine, the composition including the polypeptide or microorganism; and a method of preparing N-acetyl-L-methionine using the polypeptide or microorganism. Further, the present disclosure relates to a polynucleotide encoding the polypeptide and an expression vector including the polynucleotide. Since the microorganism including a novel acyltransferase according to the present disclosure has enhanced acyltransferase activity, this microorganism can be efficiently used for producing N-acetyl-L-methionine by acetylating L-methionine.Type: ApplicationFiled: October 27, 2021Publication date: February 10, 2022Applicant: CJ CHEILJEDANG CORPORATIONInventors: So Yeon HONG, Jinseung PARK, Hye Min PARK, Su Jin CHOI, Jun Ok MOON, Sung Gun LEE, Jinwoo JEON
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Publication number: 20210104586Abstract: A display device includes a first base substrate including a light-emitting area and a non-light-emitting area around the light-emitting area, a wavelength conversion pattern on the first base substrate in the light-emitting area, and a light-emitting element layer on the wavelength conversion pattern. The light-emitting element layer includes a pixel electrode including a first conductive pattern between the wavelength conversion pattern and the first base substrate, and a second conductive pattern on the wavelength conversion pattern and spaced apart from the first conductive pattern, an organic light-emitting layer on the second conductive pattern, and a common electrode on the organic light-emitting layer.Type: ApplicationFiled: October 1, 2020Publication date: April 8, 2021Applicant: Samsung Display Co., LTD.Inventors: Seung In BAEK, Gun Shik KIM, Mi Ra GWON, Young Jun YOO, Young Eun PARK, Jung Hwan YI, Su Jin CHOI, Youn Ho HAN, Jong Beom HONG
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Patent number: 10750762Abstract: A bio-based N-acetyl-L-methionine and a preparation method thereof, a feed additive containing the N-acetyl-L-methionine, a feed composition containing the feed additive, and a method for raising animals which includes feeding a feed additive containing the N-acetyl-L-methionine or a feed composition containing the feed additive to animals.Type: GrantFiled: October 14, 2016Date of Patent: August 25, 2020Assignee: CJ Cheiljedang CorporationInventors: Jin Woo Jeon, Jun Ok Moon, Jin Seung Park, Su Jin Choi, Kuk Ki Hong, Jeong Hyun Kim, Hye Min Park, So Yeon Hong
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Patent number: 10570429Abstract: Provided are a microorganism of the genus Escherichia for producing O-succinylhomoserine and a method for producing O-succinylhomoserine using the same.Type: GrantFiled: January 22, 2015Date of Patent: February 25, 2020Assignee: CJ CHEILJEDANG CORPORATIONInventors: Su Jin Choi, Kuk Ki Hong, Young Lyeol Yang, Min Sun Kang, Hye Min Park, Gyuhyeon Song, Jong Hyun Yoon
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Patent number: 10558078Abstract: A polarizing layer includes a substrate and a plurality of parallel wires disposed on the substrate. Each of the plurality of wires includes a base layer disposed on the substrate and an anti-reflective layer disposed on the base layer. The base layer includes aluminum or an aluminum alloy. The anti-reflective layer has a thickness within a range of 12 nm to 40 nm.Type: GrantFiled: January 12, 2018Date of Patent: February 11, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung In Baek, Hyun Eok Shin, Su Jin Choi, Sang Gab Kim, Ji Hun Kim, Hyeon Hwan Kim, Jung Gun Nam, Young Eun Park, Joon Yong Park, Jin Ho Park, Gyung Min Baek, Yun Jong Yeo, Gug Rae Jo, Hyun Ji Ha, Youn Ho Han
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Publication number: 20200017730Abstract: Provided is an adhesive composition including lysine, itaconic acid, and water, wherein the lysine and the itaconic acid are present in the form of an aqueous solution of a salt such that precipitates are not formed in the aqueous solution. In addition, provided is a method of preparing an adhesive composition including mixing lysine, itaconic acid, and water to thereby form a mixture of the lysine, the citric acid, and the water, and stirring the mixture at a temperature of 80° C. or less, wherein amounts of the lysine, the itaconic acid, and the water are adjusted such that precipitates of the lysine and the itaconic acid do not form in the adhesive composition.Type: ApplicationFiled: March 21, 2018Publication date: January 16, 2020Inventors: Ji Ho HWANG, Jun Ok MOON, Young Lyeol YANG, Chang Suk LEE, Sang Gwon MOON, Su Jin CHOI