Patents by Inventor Keonwoo KIM
Keonwoo 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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Publication number: 20240147796Abstract: A display device includes first and second signal lines, first and second signal pads, and a pad insulating layer overlapping with the first and second signal lines. The first signal pad includes an intermediate conductive pattern overlapping with and connected to an end portion of the first signal line, and an upper conductive pattern on the intermediate conductive pattern, the upper conductive pattern being exposed through the pad insulating layer. The intermediate conductive pattern includes a first portion overlapping with the end portion of the first signal line, and a second portion between the end portion of the first signal line and an end portion of the second signal line and extending from the first portion. The upper conductive pattern is connected to the second portion of the intermediate conductive pattern.Type: ApplicationFiled: December 18, 2023Publication date: May 2, 2024Inventors: Keonwoo KIM, Deukjong KIM, Dong-Hyun LEE, Deok-Young CHOI
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Publication number: 20240128475Abstract: A manufacturing method of a catalyst may modify a carbon layer structure by using various heat treatment gases such as inert gas (Ar), hydrogen, and carbon monoxide in a carbon layer manufacturing process, thereby optimizing the carbon layer structure according to the purpose of a metal without changing a size of the metal.Type: ApplicationFiled: May 31, 2023Publication date: April 18, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, THE INDUSTRY & ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY (IAC)Inventors: Seongmin Yuk, Kookil Han, Woo Yeong Noh, Namgee Jung, Jiho Min, Yunjin Kim, Keonwoo Ko
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Publication number: 20240113616Abstract: An electronic apparatus, including an electromagnetic interference (EMI) filter; a bridge diode connected to an output terminal of the EMI filter; and a power factor correction (PFC) connected to an output terminal of the bridge diode, and including a PFC integrated circuit (IC), wherein the PFC IC is configured to control an inductor current which flows in an inductor included in the PFC is maintained to be less than or equal to a predetermined current value, and wherein the predetermined current value is smaller than a current value of a current which flows in the inductor based on a peak voltage being applied to the PFC.Type: ApplicationFiled: September 11, 2023Publication date: April 4, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jinhyung LEE, Wooseok Jang, Keonwoo Kim, Moonyoung Kim, Haedeun Kim
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Publication number: 20240107643Abstract: An electronic apparatus including a converter including a first transformer, the first transformer including a primary-side winding and a secondary-side winding; a first rectifier connected to the secondary-side winding of the first transformer, and including a diode; and a second transformer including a primary-side winding and a secondary-side winding, wherein the secondary-side winding of the first transformer is a single winding, and the primary-side winding of the second transformer is connected to a node to which the secondary-side winding of the first transformer and the diode included in the first rectifier are connected.Type: ApplicationFiled: August 1, 2023Publication date: March 28, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Keonwoo KIM, Moonyoung KIM, Jeongil KANG
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Publication number: 20240065062Abstract: A display device includes: a base layer having a first area and a second area adjacent to the first area; a plurality of pixels on the first area of the base layer; a power line configured to supply the plurality of pixels with power; a power pattern on the second area and electrically connected to the power line; and a protrusion on the second area, the protrusion surrounding at least a portion of the first area and including a first protruding portion and a second protruding portion on the first protruding portion, wherein the power pattern includes an overlapping portion between the first protruding portion and the second protruding portion, the overlapping portion having an opening.Type: ApplicationFiled: October 30, 2023Publication date: February 22, 2024Inventors: Joohye JUNG, Wonjang KI, Keonwoo KIM, Dong-Hyun LEE, Mijin JUN, Sangmi JEON
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Publication number: 20240039422Abstract: An electronic device includes a rectifier circuit including: a first reception coil; a second reception coil; a first diode connected in a forward direction from a first end of the first reception coil and to a second end of the first reception coil; a second diode connected in a forward direction from a first end of the second reception coil and to a second end of the second reception coil; and a first capacitor, wherein an input end of the first diode is connected to an output end of the second diode through the first capacitor.Type: ApplicationFiled: May 1, 2023Publication date: February 1, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Keonwoo KIM, Moonyoung KIM, Jeongil KANG
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Patent number: 11849616Abstract: A display device includes first and second signal lines, first and second signal pads, and a pad insulating layer overlapping with the first and second signal lines. The first signal pad includes an intermediate conductive pattern overlapping with and connected to an end portion of the first signal line, and an upper conductive pattern on the intermediate conductive pattern, the upper conductive pattern being exposed through the pad insulating layer. The intermediate conductive pattern includes a first portion overlapping with the end portion of the first signal line, and a second portion between the end portion of the first signal line and an end portion of the second signal line and extending from the first portion. The upper conductive pattern is connected to the second portion of the intermediate conductive pattern.Type: GrantFiled: September 8, 2022Date of Patent: December 19, 2023Assignee: Samsung Display Co., Ltd.Inventors: Keonwoo Kim, Deukjong Kim, Dong-Hyun Lee, Deok-Young Choi
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Patent number: 11844241Abstract: A display device including: a substrate; a plurality of display elements defining a display area on the substrate and each including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a power supply wiring disposed outside the display area; an organic insulating layer on the power supply wiring and having an opening exposing the power supply wiring; a power supply electrode layer partially disposed on the organic insulating layer and including a plurality of holes over the organic insulating layer. A first portion of the power supply electrode layer overlaps the power supply wiring and a second portion of the power supply electrode layer overlaps the opposite electrode; a plurality of protrusions spaced apart from each other and respectively covering at least some of the plurality of holes; and an encapsulation layer covering the plurality of display elements.Type: GrantFiled: May 4, 2021Date of Patent: December 12, 2023Assignee: Samsung Display Co., Ltd.Inventors: Minwoo Byun, Keonwoo Kim, Mangi Kim, Donghyun Lee, Byeongguk Jeon, Byungsun Kim, Yangwan Kim, Hyungjun Park, Sujin Lee, Jaeyong Lee
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Patent number: 11805684Abstract: A display device includes: a base layer having a first area and a second area adjacent to the first area; a plurality of pixels on the first area of the base layer; a power line configured to supply the plurality of pixels with power; a power pattern on the second area and electrically connected to the power line; and a protrusion on the second area, the protrusion surrounding at least a portion of the first area and including a first protruding portion and a second protruding portion on the first protruding portion, wherein the power pattern includes an overlapping portion between the first protruding portion and the second protruding portion, the overlapping portion having an opening.Type: GrantFiled: March 16, 2021Date of Patent: October 31, 2023Assignee: Samsung Display Co., Ltd.Inventors: Joohye Jung, Wonjang Ki, Keonwoo Kim, Dong-Hyun Lee, Mijin Jun, Sangmi Jeon
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Publication number: 20230329051Abstract: A display device includes a display panel, an electronic component including a silicon transistor having a first gate and an oxide transistor having a second gate, and a conductive adhesive layer, wherein the display panel includes a base layer, a pixel, a signal line having an end portion on a same layer as the second gate, a signal pad, a lower insulation layer, and an upper insulation layer having a contact hole defined thereon, wherein the end portion is on the lower insulation layer, and includes a first portion exposed by the contact hole and a second portion covered by the upper insulation layer, and the signal pads includes an uppermost conductive pattern electrically connected to the end portion of the signal line, wherein the electronic component includes a connection terminal on the uppermost conductive pattern.Type: ApplicationFiled: March 22, 2023Publication date: October 12, 2023Inventors: KEONWOO KIM, DEOK-YOUNG CHOI, DEUKJONG KIM
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Publication number: 20230307947Abstract: A display apparatus is disclosed. The display apparatus includes: a backlight; a main circuit; a power supply configured to output a first power to drive the backlight and a second power to drive the main circuit; a first battery configured to be charged by the first power and supply power to the backlight; a second battery which is connected to the first battery in series, and configured to be charged by the first power and supply power to the backlight and the main circuit; and a control circuit configured to control the first battery and the second battery to be charged with the first power for a first time period, and drive the backlight with first battery power of the first battery and second battery power of the second battery for a second time period.Type: ApplicationFiled: April 4, 2023Publication date: September 28, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Moonyoung KIM, Jeongil KANG, Keonwoo KIM
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Publication number: 20230137522Abstract: A display system configured to quickly restore a screen display without re-starting, even though the power supply from the outside is temporarily interrupted. The display system includes a display to display a screen based on image information to be displayed, and a power supply configured to support the display module and supply power to the display module in a wireless manner. The display is configured to, when the display is spaced apart from the power supply by a predetermined distance or more, selectively operate in one of a power saving mode for lowering luminance of at least a portion of the screen and an ultra-power saving mode for turning OFF at least a portion of the screen while maintaining a turned-on state of the display.Type: ApplicationFiled: August 29, 2022Publication date: May 4, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Moonyoung KIM, Jeongil KANG, Keonwoo KIM
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Publication number: 20230080991Abstract: A wafer processing apparatus may include a plurality of equipment front end modules (EFEMs), a wafer transfer chamber, a wafer processing chamber, and a wafer transfer arm. Each of the plurality of EFEMs may include an EFEM chamber, a plurality of load ports provided at a side of the EFEM chamber, and a load lock provided at a side of the EFEM chamber to overlap with at least one of the plurality of load ports in a vertical direction.Type: ApplicationFiled: April 18, 2022Publication date: March 16, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jinhyuk Choi, Myungki Song, Kongwoo Lee, Kyusang Lee, Beomsoo Hwang, Keonwoo Kim, Jonghwi Seo
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Publication number: 20230065839Abstract: A display device includes: a transformer including a core including a first surface and a protrusion protruding from the first surface along a direction which the first surface faces, wherein a cross-section of a first portion of the protrusion perpendicular to the direction which the first surface faces has a first area and a cross-section of a second portion of the protrusion between the first portion and the first surface has a second area that is larger than the first area; a first inductor sub-assembly including a first bobbin having a first opening corresponding to the first area, to be in contact with an outer circumference of a first portion of the core, and an inductor wound around the first bobbin; and a second inductor sub-assembly including a second bobbin having a second opening corresponding to the second area, to be in contact with an outer circumference of a second portion of the core, and an inductor wound around in the second bobbin.Type: ApplicationFiled: July 11, 2022Publication date: March 2, 2023Inventors: Moonyoung KIM, Keonwoo KIM, Jeongil KANG
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Publication number: 20230037038Abstract: A deposition apparatus, includes a chamber having at least one first gas inlet therein. A fixed chuck is installed in the chamber and an electrostatic chuck is installed on the fixed chuck. An edge ring is disposed on an edge of the electrostatic chuck. A shower head is disposed above the edge ring. A baffle is disposed above the shower head and an upper electrode is disposed above the baffle. A gas guide member is disposed above the upper electrode so that a flow path provided in the upper electrode and the first gas inlet are connected. The gas guide member has a flow path hole penetrating in upward and downward directions, and a plurality of guide holes are provided on an inner surface of the gas guide member.Type: ApplicationFiled: March 23, 2022Publication date: February 2, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Byoungcheol HWANG, Sangwook LEE, Sunghyup KIM, Keonwoo KIM, Junyoung CHOI, Sanghoon CHEONG
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Publication number: 20230006026Abstract: A display device includes first and second signal lines, first and second signal pads, and a pad insulating layer overlapping with the first and second signal lines. The first signal pad includes an intermediate conductive pattern overlapping with and connected to an end portion of the first signal line, and an upper conductive pattern on the intermediate conductive pattern, the upper conductive pattern being exposed through the pad insulating layer. The intermediate conductive pattern includes a first portion overlapping with the end portion of the first signal line, and a second portion between the end portion of the first signal line and an end portion of the second signal line and extending from the first portion. The upper conductive pattern is connected to the second portion of the intermediate conductive pattern.Type: ApplicationFiled: September 8, 2022Publication date: January 5, 2023Inventors: Keonwoo KIM, Deukjong KIM, Dong-Hyun LEE, Deok-Young CHOI
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Patent number: 11444144Abstract: A display device includes first and second signal lines, first and second signal pads, and a pad insulating layer overlapping with the first and second signal lines. The first signal pad includes an intermediate conductive pattern overlapping with and connected to an end portion of the first signal line, and an upper conductive pattern on the intermediate conductive pattern, the upper conductive pattern being exposed through the pad insulating layer. The intermediate conductive pattern includes a first portion overlapping with the end portion of the first signal line, and a second portion between the end portion of the first signal line and an end portion of the second signal line and extending from the first portion. The upper conductive pattern is connected to the second portion of the intermediate conductive pattern.Type: GrantFiled: April 23, 2020Date of Patent: September 13, 2022Assignee: Samsung Display Co., Ltd.Inventors: Keonwoo Kim, Deukjong Kim, Dong-Hyun Lee, Deok-Young Choi
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Patent number: 11436984Abstract: A pixel includes an organic light emitting diode including an anode electrode and a cathode electrode; a driving transistor including an input electrode connected to a first node (FN), a control electrode connected to a second node, and an output electrode connected to a third node; a switching transistor to apply a data signal to the FN in response to a scan signal in a second period; a first initialization transistor to apply a first initialization voltage to the second node in response to an initialization control signal in a first period (FP); a second initialization transistor to apply a second initialization voltage having a voltage level different from the first initialization voltage to the anode electrode in response to the initialization control signal in the FP; and an on-bias transistor to apply a first driving voltage to the FN in response to an on-bias control signal in the FP.Type: GrantFiled: May 3, 2021Date of Patent: September 6, 2022Assignee: Samsung Display Co., Ltd.Inventors: Yongsung Park, Minwoo Byun, Keonwoo Kim, Seungbin Lee, Deok-young Choi
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Patent number: 11404252Abstract: An electrostatic chuck includes a chuck plate configured to mount a substrate, an insulation pillar provided outside the chuck plate, the insulation pillar having a pin hole formed therein, a first movable ring provided on the insulation pillar, surrounding a side of the chuck plate, a second movable ring configured to cover at least a part of an upper portion of the first movable ring, and a driving pin configured to move in the pin hole of the insulation pillar in a vertical direction, the driving pin overlapped by at least a part of the first movable ring and at least a part of the second movable ring in the vertical direction. The driving pin is configured to drive the first movable ring and the second movable ring in the vertical direction or to drive the second movable ring in the vertical direction.Type: GrantFiled: May 4, 2020Date of Patent: August 2, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byeongsang Kim, Keonwoo Kim, Eungsu Kim, Hakyoung Kim, Heewon Min, Kyeongtea Bang, Seungwon Shin, Dongyun Yeo, Hyanjung Lee, Kyeongseok Jeong
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Patent number: 11194432Abstract: A display device includes: a base layer including a display area and a non-display area; a circuit element layer disposed on the base layer; a display element layer disposed on the circuit element layer; a plurality of signal pads disposed on the base layer, wherein the plurality of signal pads are spaced a predetermined interval from each other, and are electrically connected to the circuit element layer; and an input sensing layer including a conductive layer and an input insulation layer, wherein the conductive layer is disposed on the display element layer, and the input insulation layer covers the conductive layer and a portion of each of the signal pads. Each of the signal pads includes a first pad portion and a second pad portion, wherein the first pad portion overlaps the input insulation layer, and the second pad portion does not overlap the input insulation layer.Type: GrantFiled: April 16, 2020Date of Patent: December 7, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Keonwoo Kim, Deukjong Kim, Hyunwoo Kim, Dong-Hyun Lee, Sangmi Jeon, Joohye Jung