Patents by Inventor Joo-hyun Cho
Joo-hyun Cho 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: 20240102921Abstract: An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.Type: ApplicationFiled: December 7, 2023Publication date: March 28, 2024Applicant: Samsung Display Co., LTD.Inventors: Je Won YOO, Basrur VEIDHES, Dae Hyun KIM, Hyun Min CHO, Jong Won LEE, Joo Yeol LEE
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Patent number: 11940837Abstract: A display that includes a display panel and a window laminated with the display panel is presented. The display panel may include: a main panel region including a first side extending in a first direction and a second side extending in a second direction crossing the first direction; a first sub-panel region that is in contact with the first side and is bent; and a second sub-panel region that is in contact with the second side and is bent. A panel corner part of the main panel region adjacent to the first sub-panel region and the second sub-panel region is rounded.Type: GrantFiled: May 29, 2019Date of Patent: March 26, 2024Assignee: Samsung Display Co., Ltd.Inventors: Seung-Hwan Cho, Jong Hyun Choi, Ju Chan Park, Joo Sun Yoon, Jong Hyuk Lee
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Publication number: 20230082802Abstract: An apparatus for processing a substrate includes a reaction tube, a side cover, a heater, a first gas supplier, a second gas supplier and a controller. The reaction tube is configured to receive a substrate boat in which a plurality of the substrate is received to process the substrate. The side cover is configured to receive the reaction tube. The heater lines the interior of the side cover. The first gas supplier is provided to an upper portion of the side cover to supply a cooling gas at a first supplying rate to a space between the side cover and the reaction tube. The second gas supplier is provided to a lower portion of the side cover to supply the cooling gas at a second supplying rate different from the first supplying rate to the space between the side cover and the reaction tube. The controller controls the reaction tube.Type: ApplicationFiled: November 18, 2022Publication date: March 16, 2023Applicants: SK hynix Inc., EUGENE TECHNOLOGY CO., LTD.Inventors: Min Jin JUNG, Tae Hwan KIM, Min Woong KANG, Hyun Jun YOO, Sung Ho KANG, Song Hwan PARK, Bo Sun KIM, Hong Won LEE, Joo Hyun CHO, Yong Tak JIN
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Publication number: 20200392619Abstract: An apparatus for processing a substrate includes a reaction tube, a side cover, a heater, a first gas supplier, a second gas supplier and a controller. The reaction tube is configured to receive a substrate boat in which a plurality of the substrate is received to process the substrate. The side cover is configured to receive the reaction tube. The heater lines the interior of the side cover. The first gas supplier is provided to an upper portion of the side cover to supply a cooling gas at a first supplying rate to a space between the side cover and the reaction tube. The second gas supplier is provided to a lower portion of the side cover to supply the cooling gas at a second supplying rate different from the first supplying rate to the space between the side cover and the reaction tube. The controller controls the reaction tube.Type: ApplicationFiled: December 2, 2019Publication date: December 17, 2020Applicants: SK hynix Inc., EUGENE TECHNOLOGY CO., LTD.Inventors: Min Jin JUNG, Tae Hwan KIM, Min Woong KANG, Hyun Jun YOO, Sung Ho KANG, Song Hwan PARK, Bo Sun KIM, Hong Won LEE, Joo Hyun CHO, Yong Tak JIN
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Patent number: 10816471Abstract: A fluorescence reader includes a base frame having an open part formed at the front thereof so that a diagnostic cartridge is inserted therein and having an inner space therein, an optical module disposed in the inner space of the base frame, and disposed to be positioned above the diagnostic cartridge inserted through the open part to irradiate a light to the diagnostic cartridge; a driving module for moving the optical module; and a sensor module for sensing the insertion of the diagnostic cartridge and the position of the optical module. The fluorescence signal reader automatically calculates a measurement time when a user loads a solution, thus improving detection accuracy and shortening a detection time.Type: GrantFiled: March 24, 2017Date of Patent: October 27, 2020Assignee: BODITECH MED INC.Inventors: Min Seok Cha, Sang Hyun Park, Jae Min Lee, Byeong Chul Kim, Joo Hyun Cho, Kie Bong Nahm
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Patent number: 10662554Abstract: The present invention relates to a method for preparing spandex having improved unwinding properties and enhanced adhesive properties with a hot melt adhesive and, more specifically, to a method for preparing spandex by means of adding a polystyrene polymer to a polyurethane-urea solution which is a spinning solution. Therefore, when spandex is unwound, irregular ballooning, tension spikes and the like can be effectively improved and other physical properties are unaffected. And the adhesive properties with a hot melt adhesive are enhanced.Type: GrantFiled: January 10, 2017Date of Patent: May 26, 2020Assignee: HYOSUNG TNC CORPORATIONInventors: Hyun Gee Jung, Joo Hyun Cho, Yeon Soo Kang
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Publication number: 20190195795Abstract: A fluorescence reader includes a base frame having an open part formed at the front thereof so that a diagnostic cartridge is inserted therein and having an inner space therein, an optical module disposed in the inner space of the base frame, and disposed to be positioned above the diagnostic cartridge inserted through the open part to irradiate a light to the diagnostic cartridge; a driving module for moving the optical module; and a sensor module for sensing the insertion of the diagnostic cartridge and the position of the optical module. The fluorescence signal reader automatically calculates a measurement time when a user loads a solution, thus improving detection accuracy and shortening a detection time.Type: ApplicationFiled: March 24, 2017Publication date: June 27, 2019Inventors: Min Seok CHA, Sang Hyun PARK, Jae Min LEE, Byeong Chul KIM, Joo Hyun CHO, Kie Bong NAHM
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Patent number: 10283391Abstract: Provided is a method for multi-supplying gas, the method comprising: installing a control valve and an flow meter on each of a plurality of branch lines branched from a main supply line, in which one or more gases are supplied, and supplying the gas; and providing the gas by adjusting flow of the gas by a controller connected to each of the control valve and the flow meter, wherein the controller has a first control manner, which controls each of the control valves based on a rate of flow measured by the flow meter to required portion flow for each branch line, and the first control manner adjusts an open rate of the control valve if the rate of the measured flow to the required portion flow is not within a predetermined range, and a unit of adjusting the control valve increases or decreases according to a difference between the measured flow and the required portion flow.Type: GrantFiled: February 19, 2016Date of Patent: May 7, 2019Assignee: EUGENE TECHNOLOGY CO., LTD.Inventors: Jun-Jin Hyon, Joo-Hyun Cho, Chul-Goo Kang, Yong-Ki Kim, Jung-Ki Min
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Publication number: 20190017196Abstract: The present invention relates to a method for preparing spandex having improved unwinding properties and enhanced adhesive properties with a hot melt adhesive and, more specifically, to a method for preparing spandex by means of adding a polystyrene polymer to a polyurethane-urea solution which is a spinning solution. Therefore, when spandex is unwound, irregular ballooning, tension spikes and the like can be effectively improved and other physical properties are unaffected. And the adhesive properties with a hot melt adhesive are enhanced.Type: ApplicationFiled: January 10, 2017Publication date: January 17, 2019Inventors: Hyun Gee Jung, Joo Hyun Cho, Yeon Soo Kang
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Publication number: 20170372929Abstract: Provided is a method for multi-supplying gas, the method comprising: installing a control valve and an flow meter on each of a plurality of branch lines branched from a main supply line, in which one or more gases are supplied, and supplying the gas; and providing the gas by adjusting flow of the gas by a controller connected to each of the control valve and the flow meter, wherein the controller has a first control manner, which controls each of the control valves based on a rate of flow measured by the flow meter to required portion flow for each branch line, and the first control manner adjusts an open rate of the control valve if the rate of the measured flow to the required portion flow is not within a predetermined range, and a unit of adjusting the control valve increases or decreases according to a difference between the measured flow and the required portion flow.Type: ApplicationFiled: February 19, 2016Publication date: December 28, 2017Applicant: EUGENE TECHNOLOGY CO., LTD.Inventors: Jun-Jin HYON, Joo-Hyun CHO, Chul-Goo KANG, Yong-Ki KIM, Jung-Ki MIN
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Patent number: 8729052Abstract: Disclosed is a composition for prevention and treatment of alopecia or for hair growth, comprising a phytosphingosine-1-phosphate derivative or a pharmaceutically acceptable salt thereof as an active ingredient. Also, a medicine comprising the composition and a quasi-drug comprising the composition are provided.Type: GrantFiled: July 30, 2009Date of Patent: May 20, 2014Assignee: Phytos Co., Ltd.Inventors: Myeong Jun Choi, Joo Hyun Cho
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Publication number: 20120004439Abstract: Disclosed is a composition for prevention and treatment of alopecia or for hair growth, comprising a phytosphingosine-1-phosphate derivative or a pharmaceutically acceptable salt thereof as an active ingredient. Also, a medicine comprising the composition and a quasi-drug comprising the composition are provided.Type: ApplicationFiled: July 30, 2009Publication date: January 5, 2012Inventors: Myeong Jun Choi, Joo Hyun Cho
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Patent number: 7259272Abstract: The present invention relates to a ?-[2-(polyalkyleneoxy)ethylthio]alkylalkoxysilane derivative and a preparation method thereof, more particularly to a ?-[2-(polyalkyleneoxy)ethylthio]alkylalkoxysilane derivative prepared by transforming a (?-mercaptoalkyl)alkylalkoxysilane compound into a ?-(alkoxysilyl)alkylthiolate metal salt by treating it with a metallic base and performing dehalometallation at low reaction temperature using a poly(alkyleneoxy)alkyl ether halide or a poly(alkyleneoxy)bis(haloalkyl) ether to form a carbon-sulfur bond and a preparation method thereof. The novel compound of the present invention has not only a Si—OR bond but also contains a sulfur atom in the molecule, so that it can be used as monomer for synthesizing hydrophilic functional silicon polymers, source material of silicon-based surfactants and surface modifier of organic/inorganic materials.Type: GrantFiled: December 20, 2005Date of Patent: August 21, 2007Assignee: Korea Institute of Science and TechnologyInventors: Bok Ryul Yoo, Joon Soo Han, Weon Cheol Lim, Joo-hyun Cho, Yoo Kyoung Jeon
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Publication number: 20070043232Abstract: The present invention relates to a ?-[2-(polyalkyleneoxy)ethylthio]alkylalkoxysilane derivative and a preparation method thereof, more particularly to a ?-[2-(polyalkyleneoxy)ethylthio]alkylalkoxysilane derivative prepared by transforming a (?-mercaptoalkyl)alkylalkoxysilane compound into a ?-(alkoxysilyl)alkylthiolate metal salt by treating it with a metallic base and performing dehalometallation at low reaction temperature using a poly(alkyleneoxy)alkyl ether halide or a poly(alkyleneoxy)bis(haloalkyl) ether to form a carbon-sulfur bond and a preparation method thereof. The novel compound of the present invention has not only a Si—OR bond but also contains a sulfur atom in the molecule, so that it can be used as monomer for synthesizing hydrophilic functional silicon polymers, source material of silicon-based surfactants and surface modifier of organic/inorganic materials.Type: ApplicationFiled: December 20, 2005Publication date: February 22, 2007Inventors: Bok Yoo, Joon Han, Weon Lim, Joo-hyun Cho, Yoo Jeon