Patents by Inventor Juchan Kim
Juchan Kim 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: 11990079Abstract: A display device includes a display panel including a plurality of first pixels disposed in a first display area and a plurality of second pixels disposed in a second display area adjacent to the first display area, a gate driver disposed in the second display area of the display panel to overlap a portion of the second pixels and driving the first and second pixels, a controller receiving image data and converting the image data to image signals, and a data driver converting the image signals to data signals and outputting the data signals to the first and second pixels. The controller compensates for effective data corresponding to the second pixels and reflects the compensated effective data to the image signals.Type: GrantFiled: September 3, 2021Date of Patent: May 21, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sunho Kim, Juchan Park, Gun Hee Kim, Hyewon Kim, Taehoon Yang, Sun Hee Lee, Joohee Jeon, Sungjin Hong
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Publication number: 20240155898Abstract: A display panel includes a transistor, a light emitting device, an insulating layer including a first opening, and a connection wiring at least partially covered by the insulating layer and electrically connecting the light emitting device and the transistor. The connection wiring includes a first connection part electrically connected to the light emitting device and including a line opening, a second connection part electrically connected to the transistor, and a connection part extending from the first connection part to the second connection part. An inner side surface of the connection wiring, which defines the line opening, includes an opening portion overlapping the first opening and a cover portion covered by the insulating layer.Type: ApplicationFiled: November 3, 2023Publication date: May 9, 2024Applicant: Samsung Display Co., Ltd.Inventors: SUNHO KIM, YOOMIN KO, Hyewon KIM, JUCHAN PARK, PILSUK LEE, CHUNG SOCK CHOI, SUNGJIN HONG
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Publication number: 20240155897Abstract: A display panel includes a display area and a peripheral area adjacent to the display area and includes a transistor, a light emitting device including a first electrode and a second electrode disposed on the first electrode and electrically connected to the transistor, a separator, a power line at least partially disposed in the peripheral area, and a separation conductive layer including a first portion disposed on the separator and a second portion disposed in the peripheral area. An outer side surface of the separator includes a connection area, and an interior angle between the connection area and a lower surface of the separator is smaller than an interior angle between an inner side surface of the separator and the lower surface of the separator.Type: ApplicationFiled: November 3, 2023Publication date: May 9, 2024Applicant: Samsung Display Co., Ltd.Inventors: JUCHAN PARK, YOOMIN KO, CHUNG SOCK CHOI, SUNHO KIM, HYEWON KIM, PILSUK LEE, SUNGJIN HONG
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Patent number: 11978402Abstract: A gate driver includes: a signal generator configured to generate a gate signal, and output the gate signal to a first output terminal; and an inverted signal generator configured to generate an inverted gate signal based on the gate signal, and output the inverted gate signal to a second output terminal, wherein the inverted signal generator includes: a first transistor connected between a first node connected to the second output terminal and a first driving power supply terminal, and including a PMOS transistor; and a second transistor connected between the first node and a second driving power supply terminal, and including an NMOS transistor, and wherein a second node connected to the first output terminal is connected to a gate electrode of each of the first and second transistors.Type: GrantFiled: February 24, 2023Date of Patent: May 7, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sunho Kim, Yoomin Ko, Hyewon Kim, Juchan Park, Pilsuk Lee, Chung Sock Choi, Sungjin Hong
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Publication number: 20240144865Abstract: A display panel includes a base layer including a first display region, a second display region adjacent to the first display region, and a non-display region adjacent to the first display region and the second display region, a demultiplexer circuit overlapping the second display region, a first pixel including a first pixel driver overlapping the first display region, and a first light emitting element overlapping the first display region and electrically connected with the first pixel driver, and a second pixel including a second pixel driver overlapping the first display region, and a second light emitting element and a third light emitting element that are electrically connected with the second pixel driver. At least one of the second light emitting element and the third light emitting element overlaps the second display region and is disposed on the demultiplexer circuit.Type: ApplicationFiled: October 26, 2023Publication date: May 2, 2024Applicant: Samsung Display Co., Ltd.Inventors: Pilsuk LEE, Yoomin KO, Sunho KIM, Hyewon KIM, Juchan PARK, Chung Sock CHOI, Sungjin HONG
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Publication number: 20240147780Abstract: A display panel includes first and second pixels each including a light emitting device including a first electrode and a second electrode and a transistor electrically connected to the second electrode, a first insulating layer disposed on the transistor of each of the first and second pixels, a conductive pattern disposed on the first insulating layer and including a first pattern corresponding to the first pixel and a second pattern corresponding to the second pixel and spaced apart from the first pattern, and a separator disposed between the first pattern and the second pattern and contacting a portion of the first insulating layer, which is exposed and not covered by the first and second patterns, to separate the second electrode of the first pixel from the second electrode of the second pixel.Type: ApplicationFiled: November 2, 2023Publication date: May 2, 2024Applicant: Samsung Display Co., Ltd.Inventors: SUNGJIN HONG, YOOMIN KO, SUNHO KIM, JUCHAN PARK, Hyewon KIM, PILSUK LEE, CHUNG SOCK CHOI
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Publication number: 20240135869Abstract: A display panel including a transistor, a light-emitting element including a first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer, the second electrode being electrically connected to the transistor, an insulating layer disposed between the transistor and the light-emitting element, and connection wiring.Type: ApplicationFiled: October 22, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., Ltd.Inventors: JUCHAN PARK, YOOMIN KO, SUNHO KIM, Hyewon KIM, PILSUK LEE, CHUNG SOCK CHOI, SUNGJIN HONG
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Publication number: 20240135886Abstract: A display panel includes a transistor, a light emitting device electrically connected to the transistor, a connection wiring electrically connecting the transistor to the light emitting device and including side surfaces, a capping pattern disposed on the transistor and contacting at least a side surface among side surfaces, an upper insulating layer disposed on the transistor and including a first opening that overlaps the at least the side surface, and a pixel definition layer disposed on the upper insulating layer and covering the first opening of the upper insulating layer.Type: ApplicationFiled: October 19, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., Ltd.Inventors: Hyewon KIM, SUNGJIN HONG, YOOMIN KO, SUNHO KIM, JUCHAN PARK, PILSUK LEE, CHUNG SOCK CHOI
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Publication number: 20240138201Abstract: A display panel includes a transistor, a first insulation layer disposed on the transistor, a pixel definition layer disposed on the first insulation layer and having a light emitting opening and an opening pattern surrounding the light emitting opening, a light emitting element disposed on the first insulation layer and including a first electrode at least a portion of which is exposed by the light emitting opening and a second electrode which is electrically connected to the transistor, and a connection line disposed on the transistor and electrically connecting the transistor and the second electrode. A groove overlapping the opening pattern is defined in the first insulation layer, and a portion of the pixel definition layer protrudes from an edge of the first insulation layer defining the groove toward an inside of the opening pattern.Type: ApplicationFiled: October 19, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., Ltd.Inventors: SUNHO KIM, JUCHAN PARK, YOOMIN KO, HYEWON KIM, PILSUK LEE, CHUNG SOCK CHOI, SUNGJIN HONG
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Publication number: 20240138216Abstract: A display panel includes first, second, and third emitting parts arranged along a first direction, first, second, and third transistors spaced apart from the first, second, and third emitting parts, and arranged along the first direction, and first, second, and third connection wirings each extending along the first direction and connecting the first, second, and third emitting parts to the first, second, and third transistors. The first, second, and third connection wirings include first, second, and third emission connection parts each connected to a corresponding emitting part, and first, second, and third driver connection parts each connected to a corresponding transistor. An arrangement order of the first, second, and third emission connection parts arranged in the first direction and an arrangement order of the first, second, and third driver connection parts arranged in the first direction are same as each other.Type: ApplicationFiled: October 19, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., Ltd.Inventors: SUNGJIN HONG, Hyewon KIM, YOOMIN KO, SUNHO KIM, JUCHAN PARK, PILSUK LEE, CHUNG SOCK CHOI
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Publication number: 20240138215Abstract: Provided is a method for manufacturing a display panel, the method includes forming a driving element layer including a transistor and a first insulation layer on a base layer; forming a contact-hole partially exposing the transistor; and providing a connection wiring electrically connected to the transistor through the contact-hole on the first insulation layer. The method includes forming a first tip portion by performing a primary etching on the connection wiring; providing the first tip portion exposed by the first open region as a second preliminary tip portion; and forming a second tip portion by performing a secondary etching on the second preliminary tip portion.Type: ApplicationFiled: October 17, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., Ltd.Inventors: JUCHAN PARK, YOOMIN KO, SUNHO KIM, Hyewon KIM, JONGHEE PARK, PILSUK LEE, CHUNG SOCK CHOI, SUNGJIN HONG
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Publication number: 20240138200Abstract: A display device includes a display panel including a first region, a second region, and a third region. The display panel includes a plurality of light emitting devices disposed in the first electrode, and each including a first electrode, an intermediate layer disposed on the first electrode, and a second electrode disposed on the intermediate layer, a separator including a pixel boundary portion disposed in the first region, a peripheral partition portion disposed in the second region, and a peripheral boundary portion disposed in the first region and the third region, and a plurality conductive pattern layers disposed in the second region. A plurality of second electrodes of the plurality of light emitting devices are electrically separated by the pixel boundary portion, and the plurality of conductive pattern layers are electrically separated by the peripheral partition portion.Type: ApplicationFiled: October 18, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., Ltd.Inventors: SUNGJIN HONG, YOOMIN KO, SUNHO KIM, Hyewon KIM, JUCHAN PARK, PILSUK LEE, CHUNG SOCK CHOI
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Publication number: 20240138202Abstract: Disclosed is a display panel including a first emitting part and a second emitting part spaced apart from each other. Each of the first and second emitting parts includes an separator and at least one emitting part. The separator includes a first isolation portion. The first isolation portion includes first portions spaced apart from each other and second portions, each of the second portions is bent from each of the first portions and is disposed between adjacent ones of the first portions.Type: ApplicationFiled: October 22, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., Ltd.Inventors: YOOMIN KO, JUCHAN PARK, SUNGJIN HONG, SUNHO KIM, Hyewon KIM, PILSUK LEE, CHUNG SOCK CHOI
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Publication number: 20240112633Abstract: A display device includes a display panel including a pixel, and a panel driver that drives the display panel. The pixel includes a light emitting device electrically connected to a first power line, a first transistor electrically connected to a cathode of the light emitting device and operating depending on a potential of a first node, a second transistor electrically connected between a data line and a second node, a third transistor electrically connected between a reference voltage line and the second node, a first capacitor electrically connected between the first node and the second node, a second capacitor electrically connected between a third node disposed between the first capacitor and the second node and the first power line, and a fourth transistor electrically connected between the first transistor and a compensation voltage line.Type: ApplicationFiled: September 26, 2023Publication date: April 4, 2024Applicant: Samsung Display Co., Ltd.Inventors: SUNGJIN HONG, SUNHO KIM, PILSUK LEE, YOOMIN KO, Hyewon KIM, JUCHAN PARK, CHUNG SOCK CHOI
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Publication number: 20240107820Abstract: Provided is an organic light-emitting display apparatus in which a dead space may be reduced. The organic light-emitting display apparatus includes: a substrate including a first display area, a second display area disposed outside of the first display area, and a third display area disposed outside of the second display area; a first thin-film transistor disposed in the first display area on the substrate; a second thin-film transistor and a third thin-film transistor each arranged in the second display area on the substrate; a first pixel electrode arranged in the first display area on the substrate and electrically connected to the first thin-film transistor; a second pixel electrode arranged in the second display area on the substrate and electrically connected to the second thin-film transistor; and a third pixel electrode arranged in the third display area on the substrate and electrically connected to the third thin-film transistor.Type: ApplicationFiled: December 7, 2023Publication date: March 28, 2024Inventors: Sunho Kim, Juchan Park, Sunhee Lee, Gunhee Kim, Taehoon Yang
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Patent number: 11935476Abstract: A display device includes: a substrate including a main display area and an edge display area bent with respect to a first axis from the main display area; and a wiring including a plurality of sub-wirings arranged in a direction intersecting the first axis in the edge display area; an insulating layer including a plurality of contact holes and covering the plurality of sub-wirings; and a connection wiring disposed on the insulating layer and connecting the plurality of sub-wirings through the plurality of contact holes.Type: GrantFiled: March 2, 2023Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sunhee Lee, Sunho Kim, Juchan Park
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Patent number: 11633708Abstract: Provided are a dielectric barrier discharge (DBD) plasma reactor including dielectric particles in a packed-bed in a discharge zone, e.g., a DBD plasma reactor for non-oxidative coupling of methane in which an average gap distance between dielectric particles in the packed-bed is adjusted to improve methane conversion and/or product selectivity; a method of regenerating dielectric particles including removing coke, which sis produced by side reactions, from the dielectric particles deactivated by the coke by using a low temperature plasma in an oxidizing atmosphere in the reactor; a method of manufacturing C2+ hydrocarbons, the method including converting methane into C2+ hydrocarbons including ethylene and/or ethane by non-oxidative coupling of methane in the reactor; and a method of manufacturing hydrogen, the method including generating hydrogen from methane by non-oxidative coupling of methane in the reactor.Type: GrantFiled: October 25, 2019Date of Patent: April 25, 2023Assignee: Industry-University Cooperation Foundation Sogang UniversityInventors: Kyoung-Su Ha, Juchan Kim, Jinwon Lee, Jaekwon Jeoung
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Patent number: 11148984Abstract: The present invention relates to a method of preparing an aromatic compound from acetylene, which includes synthesizing an aromatic compound from an acetylene-containing reactant gas in the presence of a zeolite catalyst for the aromatization of acetylene, and subjecting the zeolite catalyst deactivated by the coke formed in the aromatization of acetylene, to plasma treatment at ambient temperature and pressure so as to selectively remove the external cokes and partial internal coke, thereby regenerating the zeolite catalyst; a method of regenerating the zeolite catalyst used in the aromatization of acetylene by plasma treatment; and a regenerated zeolite catalyst for the aromatization of acetylene, prepared thereof.Type: GrantFiled: February 28, 2019Date of Patent: October 19, 2021Assignee: Industry-University Cooperation Foundation Sogang UniversityInventors: Kyoung-Su Ha, MahnJung Kim, Juchan Kim, Jaekwon Jeoung
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Publication number: 20210260558Abstract: The present invention relates to a dielectric barrier discharge (DBD) plasma reactor for the preparation of C2+ hydrocarbons from methane, wherein the DBD plasma reactor comprises macroporous silica, as a dielectric material, and optionally a photocatalyst that is impregnated into the pores of the macroporous silica.Type: ApplicationFiled: October 20, 2020Publication date: August 26, 2021Applicants: Sogang University Research & Business Development Foundation, Korea Advanced Institute of Science and TechnologyInventors: Kyoung-Su Ha, Jinwoo Lee, Juchan Kim, Namheon Lee, Seongseop Kim, Yeongkwang Bae
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Publication number: 20200129952Abstract: Provided are a dielectric barrier discharge (DBD) plasma reactor including dielectric particles in a packed-bed in a discharge zone, e.g., a DBD plasma reactor for non-oxidative coupling of methane in which an average gap distance between dielectric particles in the packed-bed is adjusted to improve methane conversion and/or product selectivity; a method of regenerating dielectric particles including removing coke, which sis produced by side reactions, from the dielectric particles deactivated by the coke by using a low temperature plasma in an oxidizing atmosphere in the reactor; a method of manufacturing C2+ hydrocarbons, the method including converting methane into C2+ hydrocarbons including ethylene and/or ethane by non-oxidative coupling of methane in the reactor; and a method of manufacturing hydrogen, the method including generating hydrogen from methane by non-oxidative coupling of methane in the reactor.Type: ApplicationFiled: October 25, 2019Publication date: April 30, 2020Applicant: Industry-University Cooperation Foundation Sogang UniversityInventors: Kyoung-Su Ha, Juchan Kim, Jinwon Lee, Jaekwon Jeoung