Patents by Inventor Yun-ho Jeong
Yun-ho Jeong 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: 20240122029Abstract: A display device includes a substrate, a light emitting element layer disposed on the substrate and including a plurality of light emitting areas each including a light emitting element that emits light, an encapsulation layer disposed on the light emitting element layer, and a light control layer disposed on the encapsulation layer, wherein the light control layer includes a light transmitting film that transmits the light and a light blocking film that blocks the light, and the light transmitting film includes, a first light transmitting portion overlapping the light blocking film in a thickness direction of the substrate, and a plurality of second light transmitting portions each surrounded by the light blocking film, and a thickness of the light blocking film is greater than a thickness of the first light transmitting portion.Type: ApplicationFiled: August 8, 2023Publication date: April 11, 2024Applicant: Samsung Display Co., LTD.Inventors: Hyun Min CHO, Da Woon JUNG, Kab Jong SEO, Yu Gwang JEONG, Yun Jong YEO, Yang Ho JUNG
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Patent number: 11950502Abstract: Provided is a novel compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.Type: GrantFiled: April 17, 2021Date of Patent: April 2, 2024Assignee: DUK SAN NEOLUX CO., LTD.Inventors: Hyoung Keun Park, Yun Suk Lee, Ki Ho So, Jong Gwang Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Hak Young Lee
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Publication number: 20240085282Abstract: There is provide a method for manufacturing analytical semiconductor samples by using an apparatus for manufacturing analytical semiconductor samples, which minimizes a feedback time by manufacturing a viewing surface that is environment-friendly and has a large area. The method comprising mounting the analytical semiconductor samples to a holder; discharging deionized (DI) water to an upper surface of a polishing plate through a DI water nozzle; grinding the analytical semiconductor samples with the upper surface of the polishing plat; determining whether a desired viewing surface of the analytical semiconductor samples has been acquired after the grinding of the analytical semiconductor samples; and transferring the analytical semiconductor samples to analyze the viewing surface of the ground analytical semiconductor samples based on a determination that the desired viewing surface of the analytical semiconductor samples has been acquired.Type: ApplicationFiled: August 23, 2023Publication date: March 14, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Min Chul JO, Sang Hyun PARK, Su Jin SHIN, Gil Ho GU, Dae Gon YU, So Yeon LEE, Yun Bin JEONG
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Publication number: 20230375502Abstract: Disclosed is a technology of extracting faradaic current-type Second-Derivative-based Background Removal (SDBR) data, from which a capacitive charge current is subtracted, through the second derivative after background subtraction of FSCV data and providing a neurotransmitter concentration measurement result based on the extracted SDBR data.Type: ApplicationFiled: March 13, 2023Publication date: November 23, 2023Applicant: Daegu Gyeongbuk Institute of Science and TechnologyInventors: Ji Woong CHOI, Seong Tak Kang, Yong Seok Oh, Jeong Rak Park, Yun Ho Jeong
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Publication number: 20230001387Abstract: An object of the present invention is to increase the reduction performance of nitrogen oxides compared to existing three-way catalysts; simultaneously inhibit the emission of ammonia and nitrous oxide; simplify a process by means of a method of further doping an iridium-ruthenium catalyst into a commercial three-way catalyst; and expand the scope of application. The present invention provides a catalyst for simultaneously inhibiting the emission of ammonia and nitrous oxide by doping an iridium-ruthenium catalyst component into a three-way catalyst (TWC), a diesel oxidation catalyst, or a lean NOx trap supported on a honeycomb support.Type: ApplicationFiled: November 25, 2020Publication date: January 5, 2023Inventors: Iljeong HEO, Young Woo YOU, Yun Ho JEONG, Ji Hoon PARK, Jin Hee LEE, Soo Min KIM, Tae Sun CHANG
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Publication number: 20220266192Abstract: The present invention relates to a kit for concentrating low-concentration air pollutants, and to a concentration kit for concentrating low-concentration air pollutants, and then desorbing same so as to detect the components and concentrations of the pollutants. The present invention comprises: a sensor positioned on a channel in which gas moves, so as to detect pollutants in the gas; and a concentration part, which comprises an adsorbent for adsorbing and desorbing the pollutants in the gas moving to the sensor, so as to transfer concentrated pollutants to the sensor.Type: ApplicationFiled: July 24, 2020Publication date: August 25, 2022Inventors: Iljeong HEO, Jin Hee LEE, Young Woo YOU, Yun Ho JEONG, Sang Joon KIM
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Patent number: 10758893Abstract: The present invention provides a solid-phase catalyst for decomposing hydrogen peroxide comprising a permanganate salt and a manganese (II) salt. The solid-phase catalyst stays a solid state in the form of nanoparticles at the time of hydrogen peroxide decomposition, and thus can be recovered for reuse and also has an excellent decomposition rate. In the method for producing a solid-phase catalyst for decomposing hydrogen peroxide according to the present invention, a solid-phase catalyst is produced from a solution containing a permanganate salt, a manganese (II) salt, and an organic acid, so that the produced solid-phase catalyst is precipitated as a solid component even after a catalytic reaction, and thus is reusable and environmentally friendly, and cost reduction can be achieved through the simplification of a catalyst production technique.Type: GrantFiled: January 13, 2017Date of Patent: September 1, 2020Assignees: Korea Research Insitute of Chemical Technology, NF CO., Ltd.Inventors: Iljeong Heo, Jeong Kwon Suh, Beom Sik Kim, Tae Sun Chang, Yun Ho Jeong, Ji Hoon Park, Soo Min Kim, Ji Na Choi
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Publication number: 20190009253Abstract: The present invention provides a solid-phase catalyst for decomposing hydrogen peroxide comprising a permanganate salt and a manganese (II) salt. The solid-phase catalyst stays a solid state in the form of nanoparticles at the time of hydrogen peroxide decomposition, and thus can be recovered for reuse and also has an excellent decomposition rate. In the method for producing a solid-phase catalyst for decomposing hydrogen peroxide according to the present invention, a solid-phase catalyst is produced from a solution containing a permanganate salt, a manganese (II) salt, and an organic acid, so that the produced solid-phase catalyst is precipitated as a solid component even after a catalytic reaction, and thus is reusable and environmentally friendly, and cost reduction can be achieved through the simplification of a catalyst production technique.Type: ApplicationFiled: January 13, 2017Publication date: January 10, 2019Inventors: Iljeong HEO, Jeong Kwon SUH, Beom Sik KIM, Tae Sun CHANG, Yun Ho JEONG, Ji Hoon PARK, Soo Min KIM, Ji Na CHOI
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Patent number: 10167970Abstract: The present invention relates to a safe valve for a high pressure regulator, which includes: a guide body coupled to a valve port prepared at a body of a high pressure regulator; a valve body couple to an upper end part of the guide body to open the valve port when the overpressure occurs in a state that the valve port is closed; a lower spring installed inside the valve body for providing elastic force to the valve body; and a discharging pipe couple to a lower part of the guide body for discharging the fuel upon an opening operation of the valve body, wherein a function for a relief valve to relieve the overpressure by discharging the fuel when the overpressure is generated inside the high pressure regulator and a function for a purge valve separated from the body to discharge fuel inside the high pressure regulator are integrally provided.Type: GrantFiled: December 12, 2016Date of Patent: January 1, 2019Assignee: MOTONIC CORPORATIONInventors: Sang Ryul Lee, Wan Jae Jeon, Sung Kyung Gi, Sung Gil Jang, Yun Ho Jeong
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Publication number: 20180100596Abstract: The present invention relates to a safe valve for a high pressure regulator, which includes: a guide body coupled to a valve port prepared at a body of a high pressure regulator; a valve body couple to an upper end part of the guide body to open the valve port when the overpressure occurs in a state that the valve port is closed; a lower spring installed inside the valve body for providing elastic force to the valve body; and a discharging pipe couple to a lower part of the guide body for discharging the fuel upon an opening operation of the valve body, wherein a function for a relief valve to relieve the overpressure by discharging the fuel when the overpressure is generated inside the high pressure regulator and a function for a purge valve separated from the body to discharge fuel inside the high pressure regulator are integrally provided.Type: ApplicationFiled: December 12, 2016Publication date: April 12, 2018Inventors: Sang Ryul LEE, Wan Jae JEON, Sung Kyung GI, Sung Gil JANG, Yun Ho JEONG
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Patent number: 9162899Abstract: The present invention provides a method for preparing a BaX type zeolite granules comprising: adding a carbohydrate-based molding promoter to NaX type zeolite powder and thereto subsequently spraying and blending alumina sol and silica sol to form granules of the mixture; heating the formed granules to convert the alumina and silica component to aluminosilica so as to generate pores inside the formed granules; hydrothermally treating the resulted granules in a sodium hydroxide aqueous solution under the conditions for zeolite synthesis, thereby converting a portion of the aluminosilica to zeolite; and carrying out ion-exchanging by Ba ions. The present invention also provides BaX type zeolite granules which have excellent strength and can be suitably used as an adsorbent in simulated moving bed (SMB) application.Type: GrantFiled: July 3, 2012Date of Patent: October 20, 2015Assignee: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.Inventors: Jeong Kwon Suh, Beom Sik Kim, Yun Ho Jeong, Jin Suk Lee, Won Young Kim, Ho Sik Chang
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Patent number: 9045349Abstract: The present invention relates to a method for preparing a porous alumina which may be suitably used as a catalyst carrier, an adsorbent, and various surface coating agents and has a boehmite or pseudoboehmite structure having a fine and uniform particle size distribution and a large pore volume.Type: GrantFiled: July 12, 2012Date of Patent: June 2, 2015Assignees: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, ZEOBUILDER CO., LTD.Inventors: Jeong Kwon Suh, Beom Sik Kim, You In Park, Hong Chan Ahn, Yun Ho Jeong, Byung Ki Park, Hak Jun Kim, Jong An Kim, Ji Sook Hong, Won Young Lee, Hyo Sang Yun
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Publication number: 20140161716Abstract: The present invention relates to a method for preparing a porous alumina which may be suitably used as a catalyst carrier, an adsorbent, and various surface coating agents and has a boehmite or pseudoboehmite structure having a fine and uniform particle size distribution and a large pore volume.Type: ApplicationFiled: July 12, 2012Publication date: June 12, 2014Applicants: ZEOBUILDER CO., LTD. a corporation, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY a InstituteInventors: Jeong Kwon Suh, Beom Sik Kim, You In Park, Hong Chan Ahn, Yun Ho Jeong, Kyung Ki Park, Hak Jun Kim, Jong An Kim, Ji Sook Hong, Won Young Lee, Hyo Sang Yun
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Publication number: 20130012377Abstract: The present invention provides a method for preparing a BaX type zeolite granules comprising: adding a carbohydrate-based molding promoter to NaX type zeolite powder and thereto subsequently spraying and blending alumina sol and silica sol to form granules of the mixture; heating the formed granules to convert the alumina and silica component to aluminosilica so as to generate pores inside the formed granules; hydrothermally treating the resulted granules in a sodium hydroxide aqueous solution under the conditions for zeolite synthesis, thereby converting a portion of the aluminosilica to zeolite; and carrying out ion-exchanging by Ba ions. The present invention also provides BaX type zeolite granules which have excellent strength and can be suitably used as an adsorbent in simulated moving bed (SMB) application.Type: ApplicationFiled: July 3, 2012Publication date: January 10, 2013Inventors: Jeong Kwon Suh, Beom Sik Kim, Yun Ho Jeong, Jin Suk Lee, Won Young Kim, Ho Sik Chang
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Patent number: 6396981Abstract: An optical device module including an optical fiber for transmitting light, an optical device for receiving light transmitted through the optical fiber, and a lens member installed between the optical fiber and the optical device, for focusing the light emitted from the optical fiber to the optical device, the lens member having a flat plane facing the optical device and a semi-spherical convex plane facing an end of the optical fiber, and the lens member including a concave portion having a predetermined curvature, for transmitting incident light, formed in the center of the convex plane, a light transmitting region corresponding to the concave portion provided in the center of the flat plane, a first reflecting portion formed on the portion of the convex plane excluding the concave portion, and a second reflecting portion formed on the portion of the flat plane excluding the light transmitting region.Type: GrantFiled: May 1, 2000Date of Patent: May 28, 2002Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-hwa Won, Yun-ho Jeong, Jong-ho Choi