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: 20240082910
    Abstract: Disclosed is a thermoelectric composite with high-entropy alloy dispersed including a thermoelectric material TE having a composition in a formula TE(x %)+M(y %), and high-entropy alloy particles M having a composition in the formula and dispersed in the thermoelectric material. In the formula, a volume ratio or a molar ratio x of the thermoelectric material to the thermoelectric composite is smaller than 100, and a volume ratio or a molar ratio y of the high-entropy alloy particles to the thermoelectric composite is greater than 0 and smaller than 20.
    Type: Application
    Filed: June 30, 2023
    Publication date: March 14, 2024
    Applicant: University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jong-Soo Rhyee, Jin Hee Kim, Gyeongim Min
  • 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: 20240074259
    Abstract: A display device includes a base substrate including a first area, a second area, and a third area between the first and second areas and bendable to a degree, insulating layers on the base substrate, a signal line overlapping the first to third areas and including a first line portion in the first area, a second line portion in the first area, the second area, and the third area and on a layer different from the first line portion, and a first connection portion in the first area and on a layer different those of the first and second line portions, wherein the second line portion is connected to a second portion of the first connection portion via a single second contact hole defined in an insulating layer between the second line portion and the second portion of the first connection portion, the insulating layer being an organic layer.
    Type: Application
    Filed: July 25, 2023
    Publication date: February 29, 2024
    Inventors: JONG-HWA KIM, IL-JOO KIM, CHANGHO LEE, HWAN-HEE JEONG, WONJUN CHOI
  • Publication number: 20240073416
    Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, Universily-lndustry Cooperation Group of Kyung Hee University
    Inventors: Sung Chang LIM, Ha Hyun LEE, Se Yoon JEONG, Hui Yong KIM, Suk Hee CHO, Jong Ho KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN, Dong Gyu SIM, Seoung Jun OH, Gwang Hoon PARK, Sea Nae PARK, Chan Woong JEON
  • Patent number: 11917881
    Abstract: A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woong Hee Jeong, Ki Bum Kim, Jin Yeong Kim, Hyang A Park, Tae Hoon Yang, Jong Chan Lee
  • 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
  • Publication number: 20220319436
    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: Application
    Filed: March 21, 2022
    Publication date: October 6, 2022
    Inventors: Jong Hee KIM, Soo Yeon LEE
  • Patent number: 11398631
    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 0.5 to 1.7, 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: Grant
    Filed: December 16, 2016
    Date of Patent: July 26, 2022
    Assignee: POSCO
    Inventors: Jong Hee Kim, Kwang Min Kim, Ki Hoon Jo, Bo Sung Seo