Patents by Inventor Hyun Cheol Jeong

Hyun Cheol Jeong 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: 20240094013
    Abstract: Provided are a method and device for providing an in-vehicle interface. The method may provide a first interface before driving of a vehicle, a second interface after the driving of the vehicle starts, and a third interface after completion of the driving of the vehicle.
    Type: Application
    Filed: April 27, 2023
    Publication date: March 21, 2024
    Inventors: Hyun Seok KIM, Min Cheol Kim, Se Il Jeong
  • Patent number: 11935814
    Abstract: A motor drive device includes: a first inverter including a plurality of first switching elements and connected to a plurality of coils; a second inverter including a plurality of second switching elements and connected to the plurality of coils; a plurality of transfer switching elements connected to the second ends; a capacitor disposed at one side of a casing of a motor; first and second cooling channels disposed at both sides of the capacitor; a plurality of first power modules including some of the plurality of first switching elements and some of the transfer switching elements; and a plurality of second power modules including some of the plurality of second switching elements.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: March 19, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Hyun Koo Lee, Jun Hee Park, Sang Cheol Shin, Kang Ho Jeong
  • Patent number: 9543527
    Abstract: The present invention provides a phosphorescent compound of one of following formulas:
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: January 10, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Hyun-Cheol Jeong
  • Publication number: 20160277422
    Abstract: A system and method for detecting final distribution and landing sites of a malicious code. The method extracts and collecting new article URLs and advertisement banner URLs by inspecting a main page of a press company; filters malicious-suspected URLs suspicious of hiding the malicious code from the new article URLs and the advertisement banner URLs; collects files created when the malicious-suspected URLs are visited, through visit inspection; self-inspects the created files collected through the created file collection using a commercial vaccine; and traces, if the malicious code is detected in the created file, the final distribution and landing sites distributing the detected malicious code.
    Type: Application
    Filed: October 24, 2013
    Publication date: September 22, 2016
    Applicant: KOREA INTERNET & SECURITY AGENCY
    Inventors: Tai Jin LEE, Byung Ik KIM, Hong Koo KANG, Chang Yong LEE, Ji Sang KIM, Hyun Cheol JEONG
  • Patent number: 9324958
    Abstract: A red phosphorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein the is one of and each of R1 to R4 is one of the group consisting of hydrogen atom (H), C1 to C6 substituted or non-substituted alkyl group, C1 to C6 substituted or non-substituted alkoxy group, and halogen atom.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: April 26, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Do-Han Kim, Chun-Gun Park, Jong-Kwan Bin, Kyung-Hoon Lee, Hyun-Cheol Jeong, Dong-Hee Yoo, Nam-Sung Cho, Jong-Hyun Park, Tae-Han Park, Soon-Wook Cha, Seung-Jae Lee, In-Bum Song, Jung-Keun Kim
  • Publication number: 20150155503
    Abstract: A red phosphorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein the is one of and each of R1 to R4 is one of the group consisting of hydrogen atom (H), C1 to C6 substituted or non-substituted alkyl group, C1 to C6 substituted or non-substituted alkoxy group, and halogen atom.
    Type: Application
    Filed: February 11, 2015
    Publication date: June 4, 2015
    Inventors: Do-Han Kim, Chun-Gun Park, Jong-Kwan Bin, Kyung-Hoon Lee, Hyun-Cheol Jeong, Dong-Hee Yoo, Nam-Sung Cho, Jong-Hyun Park, Tae-Han Park, Soon-Wook Cha, Seung-Jae Lee, In-Bum Song, Jung-Keun Kim
  • Publication number: 20150147836
    Abstract: The disclosure provides a cleaning agent composition for a flat panel display device, including: polyaminocarboxylic acid; alkali base; a nonionic surfactant; and a fluoride component. The cleaning agent composition for the flat panel display device can effectively remove metal oxides and organic contaminants on the substrate without impairing a transparent conductive layer.
    Type: Application
    Filed: July 15, 2014
    Publication date: May 28, 2015
    Inventors: In-Bae Kim, Jong-Hyun Choung, Young Min Moon, Hong Sick Park, Hyeon Jeong Sang, Jae Woo Jeong, Min Hee Kim, Young Jin Park, Sang-Moon Yun, Sang Dai Lee, Hyun Cheol Jeong
  • Patent number: 9023489
    Abstract: Disclosed herein are red phosphorescent compounds of the following formula: wherein ?includes a phenyl part and a quinoline part, each ring of the phenyl part having at least one substituent selected from hydrogen, C1-C4 alkyl groups and C1-C4 alkoxy groups and ?is selected from 2,4-pentanedione, 2,2,6,6,-tetramethylheptane-3,5-dione, 1,3 -propanedione, 1,3-butanedione, 3,5-heptanedione, 1,1,1-trifluoro-2,4-pentanedione, 1,1,1,5,5,5 -hexafluoro-2,4-pentanedione and 2,2-dimethyl-3,5-hexanedione.
    Type: Grant
    Filed: November 6, 2006
    Date of Patent: May 5, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Jung Keun Kim, Jeong Dae Seo, Hyun Cheol Jeong, Chun Gun Park, Jong Kwan Bin, Kyung Hoon Lee, Sung Hoon Pieh
  • Patent number: 8986853
    Abstract: A red phosphorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: and each of R1 to R4 is one of the group consisting of hydrogen atom (H), C1 to C6 substituted or non-substituted alkyl group, C1 to C6 substituted or non-substituted alkoxy group, and halogen atom.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: March 24, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Do Han Kim, Chun Gun Park, Jong-Kwan Bin, Kyung Hoon Lee, Hyun-cheol Jeong, Dong-hee Yoo, Nam Sung Cho, Jong-Hyun Park, Tae han Park, Soon Wook Cha, Seung Jae Lee, In Bum Song, Jung Keun Kim
  • Patent number: 8956737
    Abstract: The invention relates to a red phosphorescent compound represented by the following Formula (1) and an organic electroluminescent (EL) device using the same: wherein
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: February 17, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Chun Gun Park, Jung Keun Kim, Hyun Cheol Jeong, Jong Kwan Bin, Sung Hoon Pieh, Do Han Kim, Yong Kwan Kim
  • Publication number: 20140308042
    Abstract: Provided are an underwater communication device using visible light and an underwater communication method using the same. The underwater communication device using visible light, includes: an input unit converting a data signal received from the outside under water into an electrical signal; a transmitting unit converting the electrical signal into a visible light signal and emitting the visible light signal under water; a receiving unit recognizing the visible light signal under water and converting the visible light signal into the electrical signal; and an output unit converting the electrical signal into a data signal and outputting the data signal under water. Therefore, it is possible to provide an underwater communication device that may be implemented at low cost, perform wide band communication, and have excellent security.
    Type: Application
    Filed: September 25, 2012
    Publication date: October 16, 2014
    Inventors: Hee Sung Woo, Chang Hyoung Ryu, In Ho Song, Hyun Cheol Jeong, Sung Won Cho, Sung Jun Lee
  • Patent number: 8835020
    Abstract: A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein at least two of the R1, the R2, the R3, and the R4 are selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group, and the R5 is selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: September 16, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Seung-Jae Lee, In-Bum Song, Jung-Keun Kim, Do-Han Kim, Chun-Gun Park, Hyoung-Yun Oh, Jong-Kwan Bin, Kyung-Hoon Lee, Hyun-Cheol Jeong, Dong-Hee Yoo, Nam-Sung Cho, Jong-Hyun Park, In-Sun Yoo, Tae-Han Park, Soon-Wook Cha
  • Publication number: 20140175401
    Abstract: A red phosphorescent compound has the following formula: wherein is and R1 is selected from a group including C1˜C6 alkyl, C1˜C6 alkoxy, trimethylsilyl, trifluoromethyl, halogen and cyanide, and wherein each of R2, R3, R4 and R5 is independently selected from a group including hydrogen, C1˜C6 alkyl, C1˜C6 alkoxy, halogen, trimethylsilyl and trifluoromethyl.
    Type: Application
    Filed: November 21, 2013
    Publication date: June 26, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Hyun-Cheol Jeong
  • Publication number: 20140175402
    Abstract: The present invention provides a phosphorescent compound of one of following formulas:
    Type: Application
    Filed: November 22, 2013
    Publication date: June 26, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Hyun-Cheol Jeong
  • Patent number: 8756685
    Abstract: A detection system of a suspicious malicious website using the analysis of a JavaScript obfuscation strength, which includes: an entropy measuring processor of measuring an entropy of an obfuscated JavaScript present in the website, a special character entropy, and a variable/function name entropy; a frequency measuring processor of measuring a specific function frequency, an encoding mark frequency and a % symbol frequency of the JavaScript; a density measuring processor of measuring the maximum length of a single character string of the JavaScript; and a malicious website confirming processor of determining whether the relevant website is malicious by comparing an obfuscation strength value, measured by the entropy measuring processor, the frequency measuring processor and the density measuring processor, with a threshold value.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: June 17, 2014
    Assignee: Korea Internet & Security Agency
    Inventors: Hyun-Cheol Jeong, Seung-Goo Ji, Tai Jin Lee, Jong-Il Jeong, Hong-Koo Kang, Byung-Ik Kim
  • Publication number: 20140143871
    Abstract: Disclosed is a method of inspecting mass websites by visiting, which inspects the mass websites by visiting at a high speed using multiple browsers and multiple frames. The method of inspecting mass websites includes the steps of: simultaneously visiting, if a list of inspection target websites is received, a plurality of inspection target websites using multiple browsers; inspecting whether or not a malicious code infection attack is generated at the plurality of inspection target websites visited through the multiple browsers; and tracing, if the malicious code infection attack is detected among the plurality of inspection target websites, a malicious website through revisit inspection using a tree search algorithm.
    Type: Application
    Filed: October 29, 2013
    Publication date: May 22, 2014
    Applicant: KOREA INTERNET & SECURITY AGENCY
    Inventors: Tai Jin LEE, Byung Ik KIM, Hong Koo KANG, Chang Yong LEE, Ji Sang KIM, Hyun Cheol JEONG
  • Publication number: 20140143872
    Abstract: Disclosed is a method of determining whether or not a website is malicious at a high speed, which determines unknown attacks, detection avoidance attacks and the like at a high speed when the website is inspected by visiting. The method of determining whether or not a website is malicious at a high speed includes the steps of: simultaneously visiting, if a list of inspection target websites is received, a plurality of inspection target websites using multiple browsers; and grasping whether or not malicious code infection is attempted through a correlation analysis of behavior information created when the plurality of inspection target websites is visited through the multiple browsers.
    Type: Application
    Filed: October 29, 2013
    Publication date: May 22, 2014
    Applicant: KOREA INTERNET & SECURITY AGENCY
    Inventors: Tai Jin LEE, Byung Ik KIM, Hong Koo KANG, Chang Yong LEE, Ji Sang KIM, Hyun Cheol JEONG
  • Publication number: 20140143866
    Abstract: Disclosed is a method of inspecting mass websites at a high speed, which visits and inspects the mass websites at a high speed and, at the same time, correctly detects unknown attacks, detection avoidance attacks and the like and extracts URLs related to vulnerability attacks. The method of inspecting mass websites at a high speed includes the steps of: simultaneously visiting, if a list of inspection target websites is received, a plurality of inspection target websites using multiple browsers; inspecting whether or not malicious code infection is attempted at the plurality of inspection target websites visited through the multiple browsers; extracting a malicious website where the attempt of malicious code infection is generated among the plurality of inspection target websites; and visiting the malicious website and tracing a malicious URL distributing a malicious code.
    Type: Application
    Filed: October 29, 2013
    Publication date: May 22, 2014
    Applicant: Korea Internet & Security Agency
    Inventors: Tai Jin LEE, Byung Ik KIM, Hong Koo KANG, Chang Yong LEE, Ji Sang KIM, Hyun Cheol JEONG
  • Publication number: 20140137250
    Abstract: A system and method for detecting final distribution and landing sites of a malicious code. The method extracts and collecting new article URLs and advertisement banner URLs by inspecting a main page of a press company; filters malicious-suspected URLs suspicious of hiding the malicious code from the new article URLs and the advertisement banner URLs; collects files created when the malicious-suspected URLs are visited, through visit inspection; self-inspects the created files collected through the created file collection using a commercial vaccine; and traces, if the malicious code is detected in the created file, the final distribution and landing sites distributing the detected malicious code.
    Type: Application
    Filed: October 24, 2013
    Publication date: May 15, 2014
    Applicant: KOREA INTERNET & SECURITY AGENCY
    Inventors: Tai Jin LEE, Byung Ik KIM, Hong Koo KANG, Chang Yong LEE, Ji Sang KIM, Hyun Cheol JEONG
  • Publication number: 20140137251
    Abstract: Disclosed is a system for identifying malicious codes of high risk. The system includes a statistical data creation module for creating statistical data by collecting and processing malicious codes by channel, ranking, period, type, re-infection and vaccine diagnosis; a trend data creation module for creating trend data by processing the collected malicious codes by channel, field and type; a malicious code filtering module for extracting the malicious code of high risk from the collected malicious codes based on priority information including a URL type, the number of distribution sites, the number of landing sites, a vaccine diagnosis rate and the number of reports; and a database for processing and storing the statistical data, the trend data and the malicious codes of high risk in a form of a graph, a pie chart and a table.
    Type: Application
    Filed: October 29, 2013
    Publication date: May 15, 2014
    Applicant: KOREA INTERNET & SECURITY AGENCY
    Inventors: Tai Jin LEE, Byung Ik KIM, Hong Koo KANG, Chang Yong LEE, Ji Sang KIM, Hyun Cheol JEONG