Patents by Inventor Jong Hee Kim

Jong Hee 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).

  • Publication number: 20250078753
    Abstract: An emission driver is disclosed that includes stages. Each of the stages includes a first circuit part configured to apply a first node voltage to a first node, a second circuit part configured to apply a second node voltage to a second node and connected to the first circuit part through a third node, a third circuit part configured to apply a third node voltage of the third node or a voltage higher than the third node voltage to a fourth node based on the first node voltage and the second node voltage, and a fourth circuit part configured to generate an emission signal based on the first node voltage and a fourth node voltage of the fourth node.
    Type: Application
    Filed: June 3, 2024
    Publication date: March 6, 2025
    Inventors: Jong Hee KIM, Bo Yong CHUNG
  • Publication number: 20240316948
    Abstract: Disclosed is a method for manufacturing a low dielectric constant and low dielectric loss material and part using inkjet printing. More specifically, disclosed is a method for manufacturing a low dielectric constant and low dielectric loss material and part by coating and heat-treating an ink composition containing fluoropolymer nanoparticles, ceramic nanoparticles, and polymer dispersant on a substrate.
    Type: Application
    Filed: February 21, 2024
    Publication date: September 26, 2024
    Inventors: Jong Hee KIM, Seongkeun IH
  • Patent number: 12022692
    Abstract: A light emitting display device including: a first pixel including a first lower storage electrode, a first gate electrode of a first driving transistor, and a first upper storage electrode; and a second pixel provided near the first pixel, and including a second lower storage electrode, a second gate electrode of a second driving transistor, and a second upper storage electrode. In a plan view, the first gate electrode and the second gate electrode have first sides facing each other, the first side of the first gate electrode is positioned inside a border of the first lower storage electrode or the first upper storage electrode in a plan view, and the first side of the second gate electrode is positioned inside a border of the second lower storage electrode or the second upper storage electrode in a plan view.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: June 25, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Doo-Young Lee, Jong Hee Kim, Yoo Mi Ra, Kyung-Ho Park, Geun Ho Lee, Chang-Soo Lee, Tak-Young Lee, Bo Yong Chung, Jung Hwan Hwang
  • Patent number: 12019679
    Abstract: Disclosed herein are a method and apparatus for searching for a video section by using a natural language. The method for searching for a video section includes: extracting keywords from a natural language sentence, when the natural language sentence is input; determining whether or not the extracted keywords are included in predefined context information; and deriving and providing a final search result. In addition, when the extracted keywords are included in the predefined context information, a search result is derived by performing a first method, and when the extracted keywords are not included in the predefined context information, a search result is derived by performing a second method.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: June 25, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jong Hee Kim, Hyung Il Kim, Jin Young Moon, Je Seok Ham
  • Patent number: 11993852
    Abstract: Disclosed is a method of manufacturing a stainless steel with excellent contact resistance for a polymer fuel cell separator. The method of manufacturing a stainless steel with excellent contact resistance for a polymer fuel cell separator according to an embodiment of the present disclosure includes: electrolyzing to remove a first passivation film formed on a cold-rolled thin sheet of a stainless steel comprising, in percent (%) by weight of the entire composition, C: greater than 0 to 0.1%, N: greater than 0 to 0.02%, Si: greater than 0 to 0.25%, Mn: greater than 0 to 0.2%, P: greater than 0 to 0.04%, S: greater than 0 to 0.02%, Cr: 22 to 34%, Ti: greater than 0 to 0.5%, Nb: greater than 0 to 0.5%, the remainder of iron (Fe) and other inevitable impurities; and immersing in a mixed acid solution of nitric acid and hydrofluoric acid to form a second passivation film on the stainless cold-rolled thin sheet.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: May 28, 2024
    Assignee: POSCO CO., LTD
    Inventors: Jong Hee Kim, Kwang-Min Kim, Bo-Sung Seo
  • Publication number: 20240127748
    Abstract: A display device includes a scan driver to supply scan signals to first and second scan lines, a data driver to supply a data signal to data lines, a sensor connected to sensing lines, and pixels including a light-emitting element, a driving transistor to control an amount of current supplied to the light-emitting element in response to a voltage of a first node, a switching transistor between a j-th data line and the first node, and including a gate electrode coupled to an i-th first scan line, and a sensing transistor coupled between a second node, which is between the light-emitting element and the driving transistor, and a k-th sensing line, and including a gate electrode coupled to an i-th second scan line, and wherein the sensor is to sense deterioration information of the light-emitting element in a state in which the switching and sensing transistors are turned on.
    Type: Application
    Filed: October 12, 2023
    Publication date: April 18, 2024
    Inventors: Hyuk KIM, Jong Hee KIM, Doo Young LEE, Chang Soo LEE, Sang Uk LIM, Bo Yong CHUNG
  • Patent number: 11923580
    Abstract: Stainless steel for a fuel cell separator plate and a manufacturing method therefor are disclosed. The stainless steel for a fuel cell separator plate, according to one embodiment of the present invention, comprises: a stainless base material; and a passive film formed on the stainless base material, wherein a Cr/Fe atomic weight ratio in a 1 nm or less thickness region of the stainless base material, which is adjacent to an interface between the stainless and the passive film, is 0.45 or more. Therefore, by modifying the surface of the stainless steel for a fuel cell separator plate, a low interface contact resistance and a good corrosion resistance can be obtained, and a separate additional process such as precious metal coating can be removed, such that manufacturing costs are reduced and productivity can be improved.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: March 5, 2024
    Assignee: POSCO CO., LTD
    Inventors: Kwang Min Kim, Jong Hee Kim, Ki Hoon Jo, Bo Sung Seo
  • Publication number: 20240029659
    Abstract: A scan driver for a display device may include a plurality of scan stage groups, each of the scan stage groups including a first scan stage and a second scan stage.
    Type: Application
    Filed: October 3, 2023
    Publication date: January 25, 2024
    Inventors: Jong Hee KIM, Soo Yeon LEE
  • Publication number: 20240006634
    Abstract: A hydrogen storage system for detecting and restricting a pressure difference generated in the hydrogen storage system and a method for adjusting differential pressure therein are provided. The hydrogen storage system includes a controller that controls valves of a plurality of tanks. The controller measures pressure for each tank, measures a pipe pressure of pipe connected with the plurality of tanks, compares the pressure for each tank with the pipe pressure to determine whether differential pressure between the tank and the pipe is generated, determines whether it is expected to generate differential pressure between the tanks in an expected equilibrium temperature, when it is determined that the differential pressure between the tank and the pipe is not generated, and performs pressure equilibrium control between the tanks, when it is expected to generate the differential pressure between the tanks.
    Type: Application
    Filed: November 9, 2022
    Publication date: January 4, 2024
    Inventors: Jong Hee KIM, Jae Han CHUNG
  • Publication number: 20230420697
    Abstract: Disclosed is a stainless steel for a fuel cell separator having excellent surface hydrophilicity and electrical conductivity. According to an embodiment of a stainless steel for a fuel cell separator having excellent surface hydrophilicity and electrical conductivity, the surface oxide element ratio (1) value below may be 0.2 or more and the contact angle may be 80° or less as measured for the surface of a stainless steel containing 15 wt % or more of Cr by X-ray angle-resolved photoemission spectroscopy using an Al-K? X-ray source under the condition where a take-off angle of photoelectrons is from 120 to 85°.
    Type: Application
    Filed: November 18, 2021
    Publication date: December 28, 2023
    Applicant: POSCO Co., Ltd
    Inventors: Jong-hee Kim, Kyuwan Lim, Bo-sung Seo, Kwangmin Kim, Young-hwan Kim
  • Patent number: 11823626
    Abstract: A scan driver for a display device includes a plurality of scan stage groups, each of the scan stage groups including a first scan stage and a second scan stage.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: November 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hee Kim, Soo Yeon Lee
  • Publication number: 20230368499
    Abstract: The disclosure relates to a method of extracting image features based on a vision transformer, a method of performing embedding on an input image in units of patches and extracting visual features through global attention. An apparatus for extracting an image feature based on a vision transformer according to an embodiment of the disclosure includes a memory configured to store data and a processor configured to control the memory, wherein the processor is configured to perform embedding on multi-patches for an input image, extract feature maps for the embedding multi-patches, perform transformer encoding based on a neural network using the extracted feature maps, extract a feature of the input image through a final feature map extracted through the transformer encoding, and wherein the patches have different sizes.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 16, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Wan LEE, Jong Hee KIM, Jin Young MOON, Kang Min BAE, Yu Seok BAE, Je Seok HAM
  • Publication number: 20230325438
    Abstract: Disclosed herein are a method and apparatus for searching for a video section by using a natural language. The method for searching for a video section includes: extracting keywords from a natural language sentence, when the natural language sentence is input; determining whether or not the extracted keywords are included in predefined context information; and deriving and providing a final search result. In addition, when the extracted keywords are included in the predefined context information, a search result is derived by performing a first method, and when the extracted keywords are not included in the predefined context information, a search result is derived by performing a second method.
    Type: Application
    Filed: August 19, 2022
    Publication date: October 12, 2023
    Inventors: Jong Hee KIM, Hyung II KIM, Jin Young MOON, Je Seok HAM
  • Patent number: 11776482
    Abstract: A scan driver for a display device includes a plurality of scan stage groups, each of the scan stage groups including a first scan stage and a second scan stage.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hee Kim, Soo Yeon Lee
  • Patent number: 11699399
    Abstract: A scan driver including a plurality of scan stages. A first scan stage among the plurality of scan stages includes first-to-sixth transistors and a first capacitor. The first transistor is connected to a first Q node, a first scan clock line, and a first scan line. A second transistor is connected to a first scan carry line and the first Q node. A third transistor is connected to a first sensing carry line and a second sensing carry line. A fourth transistor is connected to a first control line and the third transistor. A fifth transistor is connected to the fourth transistor, a second control line, and a first node. A first capacitor is connected to the fifth transistor. A sixth transistor is connected to a third control line, the first node, and the first Q node.
    Type: Grant
    Filed: January 17, 2022
    Date of Patent: July 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hee Kim, Tak Young Lee, Bo Yong Chung, Yang Hwa Choi
  • Patent number: 11626077
    Abstract: Provided are a scan driver and a display device including the same. The scan driver includes a first power line configured to supply a first voltage signal, a second power line configured to supply a second voltage signal having a lower voltage level than the first voltage signal, a pull-up transistor configured to output a corresponding clock signal, among multiple clock signals, as a scan signal in response to a logic state of a first node, a pull-down transistor configured to output the second voltage signal from the second power line as the scan signal in response to a logic state of a second node, and a first light-blocking film overlapping the pull-up transistor or the pull-down transistor, and configured to receive the second voltage signal from the second power line and the first voltage signal from the first power line.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: April 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jong Hee Kim
  • Publication number: 20230066817
    Abstract: Disclosed is a stainless steel having excellent surface electrical conductivity for a fuel cell separator. According to an embodiment of the disclosed stainless steel having excellent surface electrical conductivity for a fuel cell separator, a value of the following surface oxide atomic ratio (1) may be 0.08 or more, as measured on the surface of a stainless steel containing 15 wt % or more of Cr by X-ray angle-resolved photoemission spectroscopy using an Al-K? X-ray source under the condition where a take-off angle of photoelectrons is from 12° to 85°. sum ? of ? atomic ? concentrations ? ( at ? % ) ? of ? Cr ? in ? Cr ? hydroxide sum ? of ? atomic ? concentrations ? ( at ? % ) ? of ? metal ? elements in ? total ? oxides ? and ? hydroxides ( 1 ) The Cr hydroxide represents CrOOH, Cr(OH)2, or Cr(OH)3.
    Type: Application
    Filed: October 19, 2020
    Publication date: March 2, 2023
    Applicant: POSCO
    Inventors: Jong-hee Kim, Bo-sung Seo, Jin-suk Kim
  • Publication number: 20230043454
    Abstract: Disclosed is a stainless steel having excellent surface electrical conductivity for a fuel cell separator. According to an embodiment of the disclosed stainless steel having excellent surface electrical conductivity for a fuel cell separator, a value of the following surface oxide atomic ratio (1) may be 0.5 or less, as measured on the surface of a stainless steel containing 15 wt % or more of Cr by X-ray angle-resolved photoemission spectroscopy using an Al-K? X-ray source under the condition where a take-off angle of photoelectrons is from 12° to 85°.
    Type: Application
    Filed: October 16, 2020
    Publication date: February 9, 2023
    Applicant: POSCO
    Inventors: Jong-hee KIM, Bo-sung SEO, Kwangmin KIM, Youngjun KIM
  • Patent number: 11551588
    Abstract: A display device includes: a first pixel including a first light emitting diode (LED) and a first capacitor including a first electrode connected to a first power source voltage providing a driving voltage to an anode of the first light emitting diode (LED) or to an initialization voltage, and a second electrode connected to the anode of the first light emitting diode (LED); and a second pixel including a second light emitting diode (LED) and a second capacitor including a first electrode connected to the first power source voltage providing the driving voltage to an anode of the second light emitting diode (LED) or to an initialization voltage, and a second electrode connected to the anode of the second light emitting diode (LED), wherein capacitance of the second capacitor is less than capacitance of the first capacitor.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Hee Kim, Il-Joo Kim, Sang-Uk Lim
  • Publication number: 20220359888
    Abstract: Provided are stainless steel for a separator of a polymer electrolyte membrane fuel cell, which exhibits enhanced hydrophilicity and enhanced corrosion resistance, and a method of manufacturing the same. In the stainless steel for a separator of a polymer electrolyte membrane fuel cell, which exhibits enhanced hydrophilicity and enhanced corrosion resistance, according to an embodiment of the present invention, a ratio of Cr hydroxide/Cr oxide included in a passivation film of the stainless steel ranges from 0.7 to 1.6, and the passivation film has a contact angle (?) of 70° or less. Thus, not only corrosion resistance may be enhanced by removing a non-conductive film formed on a surface of the stainless steel and forming a new conductive film thereon, but hydrophilicity may also be secured without additional surface treatment such as a separate coating or the like, and thus manufacturing costs may be reduced and productivity may be increased.
    Type: Application
    Filed: June 29, 2022
    Publication date: November 10, 2022
    Inventors: Jong Hee KIM, Kwang Min KIM, Ki Hoon JO, Bo Sung SEO