Patents by Inventor Kwang-Min Kim
Kwang-Min 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: 12260803Abstract: The embodiment relates to a data driving device for driving pixels of a display panel. In the data driving device, two adjacent DACs can have different gate loads for the same gray level value so that the fluctuation of the gate load according to the gray level value is reduced.Type: GrantFiled: November 17, 2023Date of Patent: March 25, 2025Assignee: LX SEMICON CO., LTD.Inventors: Da Sol Won, Kwang Myung Kang, Yong Min Kim, Dong Keun Song, Jung Min Choi, Seon Ho Hong
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Patent number: 12255098Abstract: A carrier substrate includes a base layer, an antireflection layer, and an energy absorption layer, wherein the antireflection layer is formed on one surface of the base layer and allows an elastic wave generated by a first laser beam transmitted through an element adhesively bonded to the antireflection layer to be transmitted through the base layer without being reflected towards the element, the first laser beam being applied to the element through a source substrate of the element, and the energy absorption layer is formed between the base layer and the antireflection layer to be aligned with the element, and evaporates upon energy absorption.Type: GrantFiled: May 11, 2022Date of Patent: March 18, 2025Assignee: CENTER FOR ADVANCED META-MATERIALSInventors: Jae Hyun Kim, Jae Gu Kim, Sang Min Kim, Kwang Seop Kim, Yun Hwangbo, Hak Joo Lee, Se Jeong Won
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Patent number: 12254835Abstract: A display device is provided. The display device may include a substrate, a plurality of pixels, a first data line, a second data line, a defect sensing line, a first input pad, and a static electricity discharge element. The substrate may include a display area and a peripheral area neighboring each other. The plurality of pixels may be positioned on the display area and may include a first pixel and a second pixel. The first data line may be electrically connected to the first pixel. The second data line may be electrically connected to the second pixel and may be electrically isolated from the first data line. The defect sensing line may be positioned on the peripheral area. The first input pad may be electrically connected to the defect sensing line. The static electricity discharge element may be electrically connected through the defect sensing line to the first input pad.Type: GrantFiled: December 19, 2023Date of Patent: March 18, 2025Assignee: Samsung Display Co., Ltd.Inventors: Kwang-Min Kim, Seung-Kyu Lee, Won Kyu Kwak
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Patent number: 12247309Abstract: A ferritic stainless steel with improved corrosion resistance. The ferritic stainless steel with improved corrosion resistance according to an embodiment of the present disclosure includes, in percent (%) by weight of the entire composition, C: 0.02% or less (excluding 0), N: 0.02% or less (excluding 0), Si: 0.5% or less (excluding 0), Mn: 0.3% or less (excluding 0), Cr: 16 to 20%, Ni: 0.4% or less (excluding 0), the remainder of iron (Fe) and other inevitable impurities, and a Cr weight % content of a thickness region from a surface of a passivation film to 3 nm is 1.2 times or more than the Cr weight % content of the stainless base material.Type: GrantFiled: November 1, 2019Date of Patent: March 11, 2025Assignee: POSCO CO., LTDInventors: Kwang Min Kim, Kkoch Nim Oh, Dong-Hoon Kim
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Patent number: 12249175Abstract: A fingerprint recognition device is provided. The fingerprint recognition device includes an image acquisition module acquiring a fingerprint image including an input fingerprint, a preprocessing module generating a preprocessed image by preprocessing the fingerprint image, a minutiae extraction module extracting coordinates of each of minutiae and orientation points of the input fingerprint from the preprocessed image and a fake detection module receiving regions-of-interest (ROIs), including the coordinates of each of the minutiae or orientation points of the input fingerprint, and determining whether the input fingerprint is a fake by performing learning using the received ROIs.Type: GrantFiled: January 5, 2022Date of Patent: March 11, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Han Sol Lee, Duck-Soo Kim, Kwang Hyuk Bae, Yeol Min Seong, Moon Kyu Song, Seong Wook Song, Jun Seo Lee
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Publication number: 20250079024Abstract: The method comprises obtaining a document including a target infectious disease as a corpus for each of a plurality of time sections, converting a plurality of words included in the obtained corpus into embedding vectors, calculating similarities between the respective converted embedding vectors and an embedding vector indicating the target infectious disease, extracting an embedding vector of which the calculated similarity is higher than a predetermined first threshold value, for each time section, obtaining first time series data indicating a search volume, over time, of a word corresponding to the embedding vector extracted for each time section, calculating a correlation coefficient between the obtained first time series data and second time series data, and generating a word corresponding to the first time series data of which the calculated correlation coefficient is higher than a predetermined second threshold value as a keyword for each time section.Type: ApplicationFiled: April 1, 2024Publication date: March 6, 2025Applicant: THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Dong Hwa JEONG, Kang Min KIM, Seong Ho AHN, Kwang Il YIM
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Publication number: 20250060380Abstract: According to an embodiment of the present disclosure, method for inferring a noise level generated in a detection device includes: obtaining optic data with information about light among raw data used for a optic calibration of the detection device, wherein the detection device is used for detecting the presence or absence of a target analyte in a sample based on a signal generated dependent on the presence or absence of the target analyte; and inferring the noise level generated in the detection device by using a pre-trained machine learning model with the optic data as an input data.Type: ApplicationFiled: December 19, 2022Publication date: February 20, 2025Applicant: SEEGENE, INC.Inventors: Kwang Min KIM, Bong Gyun PARK
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Patent number: 12219855Abstract: A display device may include a display panel and an input sensor. Mesh lines of the input sensor may include first mesh lines extending in a first direction and second mesh lines extending in a second direction crossing the first direction. The first mesh lines and the second mesh lines may cross each other at a plurality of cross points. In a unit region of the sensing electrode, first cutting points may be defined in the first mesh lines and the second mesh lines, and second cutting points may be defined in the first mesh lines and the second mesh lines.Type: GrantFiled: May 4, 2023Date of Patent: February 4, 2025Assignee: Samsung Display Co., Ltd.Inventors: Joong-Soo Moon, Kwang-Min Kim, Yangwan Kim, Keunsoo Lee, Youngjin Cho
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Patent number: 12207471Abstract: A semiconductor memory device includes gate electrodes arranged on a substrate to be spaced apart from each other in a first direction perpendicular to an upper surface of the substrate, an upper insulation layer arranged on an uppermost gate electrode, channel structures penetrating through the upper insulation layer, and the gate electrodes in the first direction, and string selection line cut insulation layers horizontally separating the upper insulation layer and the uppermost gate electrode. Each of the string selection line cut insulation layers includes a protrusion protruding toward the uppermost gate electrode and positioning on the same level as the first gate electrode.Type: GrantFiled: August 27, 2021Date of Patent: January 21, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hae-Min Lee, Kwang-Soo Kim, Sun-Il Shim
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Patent number: 12207537Abstract: An embodiment of the present inventive concept provides a display device including: a mother substrate on which a plurality of display modules are located; and a mother film located on a rear surface of the mother substrate, wherein the mother film may include a first layer, and a second layer disposed between the first layer and the mother substrate, the second layer has a thickness of from about 40 ?m to about 60 ?m, and a thickness of the first layer may be greater than that of the second layer.Type: GrantFiled: May 11, 2020Date of Patent: January 21, 2025Assignee: Samsung Display Co., Ltd.Inventors: Kwang Nyun Kim, Ki Chul Bae, Jong Gil Ryu, Seung Min Lee, Chang Yong Lee, Chul Kyu Choi, In Huh, Jong Hak Hwang
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Publication number: 20250010691Abstract: A vehicle HVAC system includes a compressor, an interior condenser disposed on the downstream side of the compressor, a water-cooled heat exchanger disposed on the downstream side of the interior condenser, and configured to transfer heat between a refrigerant and a coolant circulating in a coolant system, an exterior heat exchanger disposed on the downstream side of the water-cooled heat exchanger, and configured to transfer heat between the refrigerant and ambient air; a refrigerant heat exchanger configured to transfer heat between the refrigerant discharged from the water-cooled heat exchanger and the refrigerant discharged from the interior condenser, and a first control valve located between the water-cooled heat exchanger and the interior condenser, and configured to allow the refrigerant discharged from the interior condenser to be directed to at least one of the water-cooled heat exchanger, the refrigerant heat exchanger, and the exterior heat exchanger.Type: ApplicationFiled: November 13, 2023Publication date: January 9, 2025Inventor: Kwang Min Kim
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Patent number: 12182350Abstract: An input sensing unit including a plurality of first electrodes, which are arranged in a first direction and each of which extends in a second direction crossing the first direction, a plurality of row electrode each of which includes a second electrode and a third electrode, a plurality of first sensing lines respectively connected to the first electrodes, a plurality of second sensing lines respectively connected to the second electrodes, and a third sensing line connected to each of the third electrodes. Each of the row electrodes includes one side and the other side, which are opposed to each other in the first direction, and the one side is connected to one of one second sensing line and one third sensing line of the second sensing lines, and the other side is connected to the other of the second sensing lien and the third sensing line.Type: GrantFiled: January 25, 2024Date of Patent: December 31, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jisu Na, Kwang-min Kim, Kiwook Kim, Yangwan Kim
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Publication number: 20240420640Abstract: A display device includes: a display panel including a first area and a second area; and a panel driver configured to drive the display panel, to provide a first mode control signal to pixels in the first area, and to provide a second mode control signal to pixels in the second area, wherein the first area is configured to be driven in a first mode to display an image having a first viewing angle or a second mode to display an image having a second viewing angle narrower than the first viewing angle based on the first mode control signal, and wherein the second area is configured to be driven in the first mode or the second mode based on the second mode control signal.Type: ApplicationFiled: January 10, 2024Publication date: December 19, 2024Inventors: DO YEON HWANG, KWANG-MIN KIM, Inhyeok Yeo
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Publication number: 20240386820Abstract: A display device includes: a display panel including a pixel connected to a scan line and a data line; a flexible printed circuit board connected to the display panel; a lightning test circuit on the flexible printed circuit board and connected to the data line; and a plurality of resistors adjacent to opposite sides of the lightning test circuit and connected to the lightning test circuit.Type: ApplicationFiled: April 25, 2024Publication date: November 21, 2024Inventors: Inhyeok YEO, KWANG-MIN KIM, KIWOOK KIM, DO YEON HWANG, IL-JOO KIM, MYEONGHEE SEO
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Publication number: 20240385719Abstract: A display device including a display panel and an input sensor including a sensing region and a wiring region, the input sensor including a first sensing electrode, a second sensing electrode, a first signal line electrically connected to a first end of the first sensing electrode, a second end thereof being electrically isolated, and second and third signal lines electrically connected to ends of the second sensing electrode, respectively, in which a total distance between the ends of the second sensing electrode is greater than that between the ends of the first sensing electrode, the second sensing electrode includes sensor parts formed from a same layer as the first sensing electrode and bridge patterns formed from a different layer from the sensor parts, and each of the first end and the second end of the second sensing electrode is configured to receive a sinusoidal signal.Type: ApplicationFiled: July 29, 2024Publication date: November 21, 2024Inventors: Hyunwoong KIM, Kwang-min KIM, Kiwook KIM, Yangwan KIM, Jisu NA
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Publication number: 20240361388Abstract: A battery system including: a battery having a plurality of battery cells connected in parallel; a temperature sensor measuring a cell temperature of each of the plurality of battery cells; and a battery management system (BMS). The BMS determines: an estimated cell resistance value corresponding to a measured cell temperature value by using a first look-up table for each of the plurality of battery cells; an estimated cell current value based on the estimated cell resistance value and an estimated cell voltage value estimated during a (N?1)-th estimation period, N being a natural number greater than or equal to 1; an estimated cell capacity corresponding to the estimated cell current value by using a capacity estimation model; and the estimated cell voltage value corresponding to the estimated cell capacity as the estimated cell voltage value during an N-th estimation period using a second look-up table.Type: ApplicationFiled: August 2, 2022Publication date: October 31, 2024Inventor: Kwang Min KIM
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Publication number: 20240306458Abstract: A display device includes a substrate having a first region in which an image is displayed, a second region in which an image is not displayed, and a bending region connecting the first region and the second region. The bending region is configured to bend along a bending axis which extends in a first direction. A plurality of pad terminals is disposed within the second region. A first width of the bending region, measured along the first direction, is narrower than a second width of the second region, measured along the first direction.Type: ApplicationFiled: May 20, 2024Publication date: September 12, 2024Inventors: TAE HOON KWON, WON KYU KWAK, KWANG-MIN KIM, HEY JIN SHIN, SEUNG-KYU LEE
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Patent number: 12080207Abstract: A display device includes a substrate includes a display area having a plurality of pixels, a pad area including a plurality of input pads, and a circuit area positioned between the pad area and the display area; a crack sensor having a first end and a second end, the first end being connected to a first input pad of the plurality of input pads; a first shorting element extending through the pad area, the first shorting element being connected to the second end and extending to an edge of the substrate; a plurality of data lines connected to the plurality of pixels; and a crack sensing circuit including a first switching element having an input terminal connected to the first end and an output terminal connected to a first data line of the plurality of data lines, and a second switching element having an input terminal connected to the second end and an output terminal connected to a second data line of the plurality of data lines.Type: GrantFiled: April 25, 2022Date of Patent: September 3, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kwang-Min Kim, Won Kyun Kwak, Seung-Kyu Lee
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Publication number: 20240281081Abstract: An input sensing unit including a plurality of first electrodes, each of which including a plurality of first main patterns and a plurality of connection patterns disposed between the first main patterns to connect two first main patterns adjacent to each other, a plurality of second electrodes each of which including a plurality of second main patterns and a plurality of connection patterns disposed between the second main patterns to connect two second main patterns adjacent to each other, and a plurality of third electrodes receiving an electrical signal that is different from that received by the second electrode. Each of the third electrodes includes a plurality of third main patterns spaced apart from the second sensing patterns in a plan view and a plurality of third connection patterns disposed between the third main patterns to connect two third main patterns adjacent to each other and spaced apart from the first connection patterns in a plan view.Type: ApplicationFiled: April 26, 2024Publication date: August 22, 2024Inventors: Kiwook Kim, Kwang-Min Kim, Yangwan Kim, Jisu Na
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Patent number: 12058900Abstract: An organic light-emitting display device includes a substrate having a display region and a peripheral region, a plurality of pixels on the substrate in the display region, a first wiring and a second wiring on the substrate in the peripheral region, An insulation layer on the first and second wirings, the insulation layer covering a top surface and a sidewall of each of the first and second wirings, and an encapsulation layer on the plurality of pixels and on the insulation layer.Type: GrantFiled: July 18, 2022Date of Patent: August 6, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sun-Ja Kwon, Won-Kyu Kwak, Kwang-Min Kim, Byoung-Sun Kim, Hye-Jin Shin