Patents by Inventor Chul Jong Han
Chul Jong Han 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: 11952372Abstract: Provided is a tribenzazole amine derivative represented by Formula 1 that effectively absorbs high energy UV light from an external light source to minimize damage to organic materials present in an organic electroluminescent device, contributing to a substantial improvement in the lifetime of the organic electroluminescent device. Also provided is an organic electroluminescent device using the tribenzazole amine derivative. The organic electroluminescent device includes a first electrode, a second electrode, and an organic layer arranged between the first and second electrodes. The organic layer includes the tribenzazole amine derivative.Type: GrantFiled: August 30, 2019Date of Patent: April 9, 2024Assignee: LAPTO CO., LTD.Inventors: Moon-ki Seok, Byung-soo Go, Chul-soo Lim, Hyun-a Kim, Kyou-sic Kim, Yong-pil Park, Kap-jong Han, Eu-gene Oh
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Publication number: 20240097077Abstract: A barrier structure of a display device and a method of manufacturing the same are proposed. The barrier structure may include a plurality of light-transmissive photoresist patterns disposed on a substrate at predetermined intervals. The barrier structure may also include reflective films formed on an entire outer surface of the light-transmissive photoresist patterns.Type: ApplicationFiled: September 19, 2023Publication date: March 21, 2024Inventors: Chul Jong HAN, Yeong Beom LEE, Jeongno LEE, Kyoungwon PARK, Young Ji LIM
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Publication number: 20220317350Abstract: This application relates to a reflective display using color capsules and a method of manufacturing thereof. In one aspect, the method includes preparing a substrate in which first, second, and third receiving portions respectively having first, second, and third widths are formed by forming separating portions on a first substrate and forming the color capsules in which first, second, and third color capsules respectively having first, second, and third diameters are formed. The method may also include disposing the color capsule in which the first, second, and third color capsules are respectively inserted into the first, second, and third receiving portions, wherein the first, second, and third diameters respectively correspond to the first, second, and third widths. The color capsules are respectively inserted into receiving portions having the corresponding diameters, so that the reflective display which is convenient to manufacture and which has a multi-color pixel region may be provided.Type: ApplicationFiled: March 23, 2022Publication date: October 6, 2022Inventors: Soon Hyung Kwon, Byung Wook Yoo, Chul Jong Han
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Publication number: 20190086652Abstract: The present disclosure provides a fluorescent projection display device capable of performing both the generation of photovoltaic electricity and the display of visual images, and a display system employing the fluorescent projection display device. The fluorescent projection display device capable of photovoltaic generation according to the present disclosure includes: a transparent film including luminescent materials configured to reflect incident sunlight internally to concentrate the incident sunlight, and to be excitated by input light in an excitation wavelength range to radiate a display light corresponding to the light in the excitation wavelength range; and a solar cell disposed on at least one edge of the transparent film to convert concentrated sunlight propagated from the transparent film into electricity.Type: ApplicationFiled: September 18, 2018Publication date: March 21, 2019Applicant: Korea Electronics Technology InstituteInventors: Chul-Jong HAN, Min-Suk OH, Byung-Wook YOO, Ji-Yong KIM, Jeong-Min YI
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Patent number: 10090783Abstract: The present invention relates to a method and a device for converting energy using a change of a contact area and a contact angle of liquid and, more specifically, to a method and a device for converting mechanical energy into electric energy by applying a reciprocal phenomenon of electrowetting, wherein liquid and gas are positioned between two facing substrates and energy is converted by using a volume change of a fluid, such that the present invention has the advantages of preventing channel-blocking without requiring all facing electrodes to be patterned, simplifying a device configuration, implementing easy control, and removing the need to apply an external power source.Type: GrantFiled: October 30, 2013Date of Patent: October 2, 2018Assignees: Korea Electronics Technology Institute, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Soon Hyung Kwon, Won Keun Kim, Chul Jong Han, Jeongno Lee, Youn Sang Kim, Jun Woo Park
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Patent number: 10050567Abstract: The present invention relates to a flexible energy conversion device using a liquid, and more specifically, to a method and a device for converting mechanical energy into electric energy by applying an opposite phenomenon of electrowetting, which can change a surface contacting the liquid between one pair of electrodes, and use the change of the surface contacting the liquid to generate electric energy, so as to prevent channel blocking or so that a lubricating layer or electrodes patterned onto a channel in a complicated manner are not required, thereby enabling simplification of the device, reduction of manufacturing cost, and the energy conversion device that is less faulty.Type: GrantFiled: November 27, 2013Date of Patent: August 14, 2018Assignees: Korea Electronics Technology Institute, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Soon Hyung Kwon, Won Keun Kim, Chul Jong Han, Jeong No Lee, Youn Sang Kim, Jun Woo Park
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Publication number: 20160109397Abstract: A device for measuring a penetration rate of outdoor air including humidity or oxygen of a material, and a reaction material cartridge for measuring an outdoor air penetration rate. The device includes a reacting part including a reaction material which reacts upon contact with outdoor air passing through a substrate; a cartridge body which accommodates the reaction part, and which is detachable from a measuring unit for measuring a change corresponding to the contact of the reaction material with the outdoor air; and a shielding means which shields the cartridge body, and which is separated from the cartridge body for contact between the reaction material and the outdoor air.Type: ApplicationFiled: May 29, 2014Publication date: April 21, 2016Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Won Keun KIM, Chul Jong HAN, Soon Hyung KWON, Jeong No LEE, Min Suk OH, Ji Wan KIM, Byung Wook YOO, Yong Hoon KIM
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Publication number: 20150340970Abstract: The present invention relates to a flexible energy conversion device using a liquid, and more specifically, to a method and a device for converting mechanical energy into electric energy by applying an opposite phenomenon of electrowetting, which can change a surface contacting the liquid between one pair of electrodes, and use the change of the surface contacting the liquid to generate electric energy, so as to prevent channel blocking or so that a lubricating layer or electrodes patterned onto a channel in a complicated manner are not required, thereby enabling simplification of the device, reduction of manufacturing cost, and the energy conversion device that is less faulty.Type: ApplicationFiled: November 27, 2013Publication date: November 26, 2015Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Korea Electronics Technology InstituteInventors: Soon Hyung KWON, Won Keun KIM, Chul Jong HAN, JeongNo LEE, Youn Sang KIM, Jun Woo PARK
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Publication number: 20150061459Abstract: The present invention relates to a method and a device for converting energy using a change of a contact area and a contact angle of liquid and, more specifically, to a method and a device for converting mechanical energy into electric energy by applying a reciprocal phenomenon of electrowetting, wherein liquid and gas are positioned between two facing substrates and energy is converted by using a volume change of a fluid, such that the present invention has the advantages of preventing channel-blocking without requiring all facing electrodes to be patterned, simplifying a device configuration, implementing easy control, and removing the need to apply an external power source.Type: ApplicationFiled: October 30, 2013Publication date: March 5, 2015Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Korea Electronics Technology InstituteInventors: Soon Hyung Kwon, Won Keun Kim, Chul Jong Han, Jeongno Lee, Youn Sang Kim, Jun Woo Park
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Publication number: 20140134454Abstract: A multi-layer composite precursor is provided comprising a substrate, wherein the substrate comprises a light emitting organic compound, a first surface, and a second surface, wherein the second surface is superimposed by a transparent electrically conducting layer, a liquid phase superimposing at least a part of the first surface comprising a metal-organic compound, wherein the metal-organic compound comprises an organic moiety, wherein the organic moiety comprises a C?O group; and wherein the liquid phase further comprises a first silicon compound, wherein the first silicon compound comprises at least one carbon atom and at least one nitrogen atom.Type: ApplicationFiled: November 15, 2013Publication date: May 15, 2014Applicants: KOREA ELECTRONICS TECHNOLOGY INSTITUTE, HERAEUS PRECIOUS METALS GMBH & CO. KGInventors: Herbert FUCHS, Hyung Seok HA, Kerstin TIMTER, Jeongno LEE, Bumjoo LEE, Chul Jong HAN, Seunghyun LEE
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Publication number: 20110290538Abstract: A connecting structure of PCB using an anisotropic conductive film according to the present invention having members connected to each other by heat-compression using the anisotropic conductive film including an insulating adhesive as a base material and conductive particles dispersed in the insulating adhesive, wherein at least any one of the members has a flexible property, and a surface roughness value (Ra) of the member having a flexible property is 0.1 to 5.0 ?m due to dents formed by heat-compression.Type: ApplicationFiled: June 2, 2011Publication date: December 1, 2011Applicant: LG INNOTEK CO. LTD.Inventors: Chul-Jong HAN, Yoon-Jae CHUNG, Jong-Yoon JANG, Jeong-Beom PARK, Yong-Seok HAN, Sung-Uk CHOI, Il-Rae CHO, Hyuk-Soo MOON, Kyung-Joon LEE
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Patent number: 7993417Abstract: A connecting structure of PCB using an anisotropic conductive film according to the present invention having members connected to each other by heat-compression using the anisotropic conductive film including an insulating adhesive as a base material and conductive particles dispersed in the insulating adhesive, wherein at least any one of the members has a flexible property, and a surface roughness value (Ra) of the member having a flexible property is 0.1 to 5.0 ?m due to dents formed by heat-compression.Type: GrantFiled: January 22, 2007Date of Patent: August 9, 2011Assignee: LS Cable Ltd.Inventors: Chul-Jong Han, Yoon-Jae Chung, Jong-Yoon Jang, Jeong-Beom Park, Yong-Seok Han, Sung-Uk Choi, Il-Rae Cho, Hyuk-Soo Moon, Kyung-Joon Lee
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Publication number: 20110122174Abstract: A color electronic paper using RGBW color particles and a driving method thereof are provided. The color electronic paper using RGBW color particles includes an upper substrate and a lower substrate spaced apart from each other; partitions disposed between the upper substrate and the lower substrate and forming a red subpixel, a green subpixel, a blue subpixel, and a transparent subpixel; a medium mixed with first charged particles and second charged particles and stored to the red subpixel, the green subpixel, the blue subpixel, and the transparent subpixel respectively; and a controller for applying the same voltage value as a smallest voltage value among voltage values applied to the red subpixel, the green subpixel, and the blue subpixel, to the transparent subpixel.Type: ApplicationFiled: November 23, 2010Publication date: May 26, 2011Inventors: Soon Hyung Kwon, Won Keun Kim, Jeong In Han, Chul Jong Han
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Publication number: 20110104475Abstract: A substrate unit for an electronic paper is provided. The substrate unit for the electronic paper includes a substrate; an electrode formed on the substrate; and a hydrophobic polymer layer formed on at least one of an outer side of the substrate and the electrode.Type: ApplicationFiled: October 28, 2010Publication date: May 5, 2011Inventors: Soon Hyung Kwon, Won Keun Kim, Jeong In Han, Chul Jong Han
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Patent number: 7907238Abstract: An ultra-thin edge-type backlight unit allowing a local dimming driving and a scanning driving and using a low-cost light source, and a display device of excellent screen quality are provided. The backlight unit includes a light guide plate, a light source disposed in a side of the light guide plate and a reflective-type display panel disposed on an opposite side of a surface where a light radiated from the light source is extracted.Type: GrantFiled: June 22, 2009Date of Patent: March 15, 2011Assignee: Korea Electronics Technology InstituteInventors: Chul Jong Han, Jeong In Han
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Publication number: 20110024101Abstract: Provided are a thermal conductive substrate having high thermal conductivity, which dissipates heat through as small as possible area thereof, and a method of manufacturing the thermal conductive substrate. The thermal conductive substrate includes a lower heat sink layer, a thermal conductive layer including thermal conductors formed to contact the lower heat sink layer, and an insulating adhesive portion filled between the thermal conductors, and an upper layer formed on the thermal conductor, wherein the upper layer contacts the thermal conductor so as to dissipate heat to the lower heat sink layer.Type: ApplicationFiled: July 29, 2010Publication date: February 3, 2011Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Chul Jong Han, Won Keun Kim, Huyn Min Cho, Soon Hyung Kwon
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Publication number: 20110027535Abstract: Provided are a light, thin, short and small, and multi-functional anisotropic particle-arranged structure including two electrodes having fine pitches that are repeatedly compressed to be connected to external elements, and a method of manufacturing the anisotropic particle-arranged structure. The anisotropic particle-arranged structure includes an elastic polymer layer, and elastic conductors or elastic thermal conductors formed in the elastic polymer layer so that upper and lower portions of the elastic conductors or elastic thermal conductors are exposed.Type: ApplicationFiled: July 29, 2010Publication date: February 3, 2011Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Chul Jong HAN, Yong Hoon KIM, Min Suk OH, Soon Hyung KWON
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Publication number: 20100265566Abstract: An ultra-thin edge-type backlight unit allowing a local dimming driving and a scanning driving and using a low-cost light source, and a display device of excellent screen quality are provided. The backlight unit includes a light guide plate, a light source disposed in a side of the light guide plate and a reflective-type display panel disposed on an opposite side of a surface where a light radiated from the light source is extracted.Type: ApplicationFiled: June 22, 2009Publication date: October 21, 2010Inventors: Chul Jong HAN, Jeong In Han
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Publication number: 20090000807Abstract: A connecting structure of PCB using an anisotropic conductive film according to the present invention having members connected to each other by heat-compression using the anisotropic conductive film including an insulating adhesive as a base material and conductive particles dispersed in the insulating adhesive, wherein at least any one of the members has a flexible property, and a surface roughness value (Ra) of the member having a flexible property is 0.1 to 5.0 ?m due to dents formed by heat-compression.Type: ApplicationFiled: January 22, 2007Publication date: January 1, 2009Inventors: Chul-Jong Han, Yoon-Jae Chung, Jong-Yoon Jang, Jeong-Beom Park, Yong-Seok Han, Sung-Uk Choi, Il-Rae Cho, Hyuk-Soo Moon, Kyung-Joon Lee