Patents by Inventor Yong-Woo Kim

Yong-Woo 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).

  • Patent number: 11371125
    Abstract: A wear-resistant steel having excellent hardness and impact toughness and a method for producing same can include: 0.29-0.37 wt % of carbon, 0.1-0.7 wt % of silicon, 0.6-1.6 wt % of manganese, 0.05 wt % or less of phosphorus, 0.02 wt % or less of sulfur, 0.07 wt % or less of aluminum, 0.1-1.5 wt % of chromium, 0.01-0.8 wt % of molybdenum, 0.01-0.08 wt % of vanadium, 50 ppm or less of boron, and 0.02 wt % or less of cobalt; and optionally one or more of 0.5 wt % or less of nickel, 0.5 wt % or less of copper, 0.02 wt % or less of titanium, 0.05 wt % or less of niobium, and 2-100 ppm of calcium; with the remainder of Fe and other inevitable impurities.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: June 28, 2022
    Assignee: POSCO
    Inventors: Seng-Ho Yu, Young-Jin Jung, Yong-Woo Kim
  • Publication number: 20220163637
    Abstract: A micro-optics system for non-rotational scanning includes a plurality of micro-optical elements having different inclination patterns. The different inclination patterns are implemented such that a plurality of light rays incident from a light source are increasingly refracted by 1 degree in an outward direction from a center of the plurality of micro-optical elements.
    Type: Application
    Filed: April 6, 2021
    Publication date: May 26, 2022
    Inventors: Yong Woo KIM, Jun Yuk LEE
  • Publication number: 20220106332
    Abstract: The present application relates to a compound represented by Chemical Formula 1, an organic optoelectronic diode and a display device.
    Type: Application
    Filed: January 30, 2020
    Publication date: April 7, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Jin-Hwan SHIN, Yong-Woo KIM, GWANG-IL DONG
  • Publication number: 20220077402
    Abstract: The present disclosure relates to an organic compound including an electron acceptor moiety of a hetero aromatic ring having at least one nitrogen as a nuclear atom and an electron donor moiety of a fused aromatic or a fused hetero aromatic ring linked to the electron acceptor moiety directly or via a linker moiety, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound includes both the electron acceptor and donor moieties, thus charges can be transported easily within the molecule. The OLED and the organic light emitting device including the organic compound, which may comprise at least one substituent having strong electron withdrawing property at specific position, in an emissive layer can implement excellent luminous efficiency and luminous lifespan.
    Type: Application
    Filed: July 28, 2021
    Publication date: March 10, 2022
    Applicants: LG Display Co., Ltd., LT Materials Co., Ltd
    Inventors: Tae-Ryang HONG, Young-Ju RYU, Gi-Hwan LIM, Jun-Yun KIM, Yong-Woo KIM, Yong-Geun JUNG, Jin-Hwan SHIN, Yeon-Jun SHIM
  • Publication number: 20220077401
    Abstract: The present disclosure relates to an organic compound in which an electron acceptor moiety and an electron donor moiety of a fused aromatic ring or a hetero aromatic ring are directly linked or through an linker moiety and they are connected via carbon-carbon bond, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound includes both the electron acceptor and donor moieties that are linked directly or through a linker moiety via a carbon-carbon bond having strong bond energy within its molecule, thus charges can be transported easily within the molecule. The OLED and the organic light emitting device including the organic compound in an emissive layer can implement excellent luminous efficiency and luminous lifespan.
    Type: Application
    Filed: July 26, 2021
    Publication date: March 10, 2022
    Applicants: LG DISPLAY CO., LTD., LT Materials Co., Ltd.
    Inventors: Tae-Ryang HONG, Suk-Young BAE, Jun-Yun KIM, Yong-Woo KIM, Yong-Geun JUNG, Jin-Hwan SHIN, Yeon-Jun SHIM
  • Publication number: 20220040374
    Abstract: Provided are a crosslinked hyaluronic acid product in the form of powder and a method of preparing the same, and a crosslinked hyaluronic acid hydrogel prepared using the crosslinked hyaluronic acid product in the form of powder, and a method of preparing the same. The crosslinked hyaluronic acid hydrogel according to the present disclosure exhibits excellent rheological properties, and mass production thereof is easy and quality uniformity thereof is excellent.
    Type: Application
    Filed: December 6, 2019
    Publication date: February 10, 2022
    Applicant: HANMI PHARM. CO., LTD
    Inventors: Soo Jin KIM, Se Kweon KIM, Chung Leol SHIN, Hyo Seung PARK, Yong Woo KIM, Back Ho LEE, Jun Young KIM
  • Patent number: 11242667
    Abstract: Provided is a work vehicle including a cabin and a loader work device. The work vehicle includes: a vehicle main body; a main body rear; front and rear wheels; a bucket; a lifting arm connected to the bucket to lift the bucket; a boom support connected to the lifting arm; a rear link having one end coupled to a first boom support hinge part of the boom support and an opposite end coupled to a rear hinge part of the main body rear; a boom cylinder having one end coupled to a second boom support hinge part of the boom support to rotate the boom support; and a rotation link having one end coupled to a third boom support hinge part of the boom support and an opposite end coupled to a front hinge part of the vehicle main body.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: February 8, 2022
    Assignee: DAEDONG CORPORATION
    Inventors: Hun Jung Lee, Yong Woo Kim
  • Publication number: 20220011407
    Abstract: A micro-optics system using the diffraction method includes a plurality of micro-optical elements having different inclination patterns. The different inclination patterns are implemented such that a plurality of light rays incident from a light source are increasingly refracted by 1 degree in an outward direction from a center of the plurality of micro-optical elements, and the different inclination patterns include a series of steps.
    Type: Application
    Filed: April 6, 2021
    Publication date: January 13, 2022
    Inventors: Yong Woo KIM, Jun Yuk LEE
  • Publication number: 20210408381
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, an organic optoelectronic diode and a display device.
    Type: Application
    Filed: December 19, 2019
    Publication date: December 30, 2021
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Ji-Yeon PARK, Yong-Woo KIM
  • Publication number: 20210366081
    Abstract: An image processing method and apparatus using a line unit operation is disclosed. The image processing apparatus includes a receiver configured to receive an image, at least one first line buffer configured to output the received image to be an image line of a line unit, a first convolution operator configured to generate a feature map by performing a convolution operation based on the output image line, and a feature map processor configured to store the generated feature map as at least one line unit and process the feature map stored as the line unit to be output in a two-dimensional (2D) form.
    Type: Application
    Filed: December 12, 2018
    Publication date: November 25, 2021
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Mun Churl KIM, Yong Woo KIM, Jae Seok CHOI
  • Patent number: 11057585
    Abstract: Disclosed are an image processing method and device using a line-wise operation. The image processing device, according to one embodiment, comprises: a receiver for receiving two-dimensional pixel information; at least one first line buffer for outputting the two-dimensional pixel information into a line-wise data line; an operator for performing a convolution operation on the basis of the data line data; and at least one second line buffer for outputting the data line on which the operation has been performed.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: July 6, 2021
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Mun Churl Kim, Yong Woo Kim, Jae Seok Choi
  • Publication number: 20210164079
    Abstract: An embodiment of the present invention provides wear-resistant steel having excellent hardness and impact toughness and a method for producing same, wherein the wear-resistant steel comprises: 0.29-0.37 wt % of carbon (C), 0.1-0.7 wt % of silicon (Si), 0.6-1.6 wt % of manganese (Mn), 0.05 wt % or less of phosphorus (P), 0.02 wt % or less of sulfur (S), 0.07 wt % or less of aluminum (Al), 0.1-1.5 wt % of chromium (Cr), 0.01-0.8 wt % of molybdenum (Mo), 0.01-0.08 wt % of vanadium (V), 50 ppm or less of boron (B), and 0.02 wt % or less of cobalt (Co); further comprises one or more selected from the group consisting of 0.5 wt % or less of nickel (Ni), 0.5 wt % or less of copper (Cu), 0.02 wt % or less of titanium (Ti), 0.05 wt % or less of niobium (Nb), and 2-100 ppm of calcium (Ca); and comprises the remainder of Fe and other inevitable impurities.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 3, 2021
    Inventors: Seng-Ho Yu, Young-Jin Jung, Yong-Woo Kim
  • Publication number: 20210082087
    Abstract: Disclosed are an image processing method and device using a line-wise operation. The image processing device, according to one embodiment, comprises: a receiver for receiving an image; at least one first line buffer for outputting the image into a line-wise image line; a first convolution operator for generating a feature map by performing a convolution operation on the basis of the output from the first line buffer; and a feature map processor for storing the output from the first convolution operator in units of at least one line, and processing so as to output the feature map stored in units of at least one line into a two-dimensional form, wherein at least one convolution operation operates in the form of a pipeline.
    Type: Application
    Filed: December 12, 2018
    Publication date: March 18, 2021
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Mun Churl KIM, Yong Woo KIM, Jae Seok CHOI
  • Publication number: 20210065334
    Abstract: Disclosed are an image processing method and device using a line-wise operation. The image processing device, according to one embodiment, comprises: a receiver for receiving an image; a first convolution operator for generating a feature map by performing a convolution operation on the basis of the image; and a compressor for compressing the feature map into units of at least one line; and a decompressor for reconstructing the feature map compressed into units of lines.
    Type: Application
    Filed: December 12, 2018
    Publication date: March 4, 2021
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Mun Churl KIM, Yong Woo KIM, Jae Seok CHOI
  • Patent number: 10868502
    Abstract: A switched capacitor circuit includes a first main sampler circuit, a second main sampler circuit, a first replica sampler circuit, and a second replica sampler circuit. The first main sampler circuit samples a first input of a differential input, and generates a first output corresponding to the sampled first input based on a first reference voltage. The second main sampler circuit samples a second input of the differential input, and generates a second output corresponding to the sampled second input based on a second reference voltage. The first replica sampler circuit receives the first input, and holds the received first input based on the second reference voltage. The second replica sampler circuit receives the second input, and holds the received second input based on the first reference voltage.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: December 15, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Woo Kim, Sun-Jae Park, Eun Seok Shin, Seunghoon Lee
  • Publication number: 20200385846
    Abstract: The present disclosure relates to wear-resistant steel comprising, by weight, carbon (C): 0.19 to 0.28%, silicon (Si): 0.1 to 0.7%, manganese (Mn): 0.6 to 1.6%, phosphorus (P): 0.05% or less, sulfur (S): 0.02% or less, aluminum (Al): 0.07% or less, chromium (Cr): 0.01 to 0.5%, nickel (Ni): 0.01 to 3.0%, copper (Cu): 0.01 to 1.5%, molybdenum (Mo): 0.01 to 0.5%, boron (B): 50 ppm or less, and cobalt (Co): 0.02% or less, further comprising one or more selected from the group consisting of titanium (Ti): 0.02% or less, niobium (Nb): 0.05% or less, vanadium (V): 0.05% or less, and calcium (Ca): 2 to 100 ppm, and comprising a remainder of iron (Fe) and other unavoidable impurities, wherein C, Ni, and Cu satisfy the following relationship 1, wherein a microstructure includes 97 area % or more of martensite: C×Ni×Cu?0.05.
    Type: Application
    Filed: December 21, 2018
    Publication date: December 10, 2020
    Inventors: Seng-Ho YU, Young-Jin JUNG, Yong-Woo KIM
  • Publication number: 20200377963
    Abstract: Disclosed are: a plated steel sheet having a plating film on a surface of a hot-rolled steel sheet; and a method for manufacturing the same, wherein the hot-rolled steel sheet comprises, by weight, 0.15 to 0.25% of C, 0.5% or less of Si, 0.5 to 2.0% of Mn, 0.03% or less of P, 0.015% or less of S, 0.05% or less of Al, 0.01% or less of N, 0.05% or less of Ti (excluding 0%), 0.01% or less of B (excluding 0%), a balance of Fe, and inevitable, impurities, satisfies the following relationship 1, and comprises, by area, 10 to 30% of ferrite, 20 to 40% of pearlite, and 35 to 55% of bainite, as a microstructure: 0.235 [C]+0.0158 [Mn]+0.0625 [Si]+0.0423 [Mo]+0.317 [Ti]+1.36 [Nb]?0.075 ??[Relationship 1] Where [C], [Mn], [Si], [Mo], [Ti], and [Nb] represent the content (by wt %) of the corresponding elements contained in the steel sheet, respectively.
    Type: Application
    Filed: August 3, 2018
    Publication date: December 3, 2020
    Inventor: Yong-Woo Kim
  • Publication number: 20200336699
    Abstract: Disclosed are an image processing method and device using a line-wise operation. The image processing device, according to one embodiment, comprises: a receiver for receiving two-dimensional pixel information; at least one first line buffer for outputting the two-dimensional pixel information into a line-wise data line; an operator for performing a convolution operation on the basis of the data line data; and at least one second line buffer for outputting the data line on which the operation has been performed.
    Type: Application
    Filed: December 12, 2018
    Publication date: October 22, 2020
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Mun Churl KIM, Yong Woo KIM, Jae Seok CHOI
  • Patent number: 10696914
    Abstract: The present invention relates to a lubricant base oil containing an aromatic ester lubricant represented by Chemical Formula 1 and to a method for preparing the aromatic ester lubricant. By containing an aromatic ester lubricant, the lubricant base oil exhibits an excellent dispersibility and fluidity and is ecofriendly due to a high biodegradability. In addition, the method for preparing the aromatic ester lubricant does not generate such toxic substances as S, N, aromatic compounds and heavy metals and enables an easy control of the physical properties of a desired lubricant base oil by selecting a suitable alcohol compound to be introduced for an esterification reaction.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: June 30, 2020
    Assignees: SK Innovation Co., Ltd., SK Lubricants Co., Ltd.
    Inventors: Hee Jung Jeon, Yong Woo Kim
  • Patent number: 10664961
    Abstract: The present invention provides a technology that separates a low-contrast-ratio image into sublayer images, classifies each sublayer image into several categories in accordance with the characteristics of each sublayer image, and learns a transformation matrix representing a relationship between the low-contrast-ratio image and a high-contrast-ratio image for each category. In addition, the present invention provides a technology that separates an input low-contrast-ratio image into sublayer images, selects a category corresponding to each sublayer image, and applies a learned transformation matrix to generate a high.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: May 26, 2020
    Assignees: SILICON WORKS CO., LTD., Korea Advanced Institute of Science and Technology
    Inventors: Yong Woo Kim, Sang Yeon Kim, Woo Suk Ha, Mun Churl Kim, Dae Eun Kim