Patents by Inventor Sung Cheol Yoon

Sung Cheol Yoon 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: 10879472
    Abstract: An embodiment of the present invention provides an organic compound represented by following Formula: wherein each of X1 to X5 is independently selected from a carbon atom (C) or a nitrogen atom (N), and at least two or three of X1 to X5 are N, wherein each of R1 and R2 is independently selected from a substituted or non-substituted aryl group or a substituted or non-substituted heteroaryl group, and “a” is an integer between zero (0) to 3, and wherein each of L1 and L2 is independently selected from a substituted or non-substituted arylene group or a substituted or non-substituted heteroarylene group, and “b” is zero (0) or 1. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 29, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seon-Keun Yoo, Sung-Hoon Joo, Seung-Hee Yoon, Ji-Cheol Shin
  • Publication number: 20200329339
    Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.
    Type: Application
    Filed: June 29, 2020
    Publication date: October 15, 2020
    Inventors: Sung Hwan AHN, Byeong Cheol MOON, Suk Hoon JUNG, Dong Soo HAN, Kyung Shik ROH, Suk June YOON
  • Publication number: 20200310079
    Abstract: A camera module includes: a magnet disposed on a lens module; a bearing member disposed in a ball guide portion formed between the lens module and a housing that accommodates the lens module; a coil disposed in the housing to face the magnet; and a yoke member disposed on the housing to interact with the magnet to generate a biased magnetic force.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 1, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Nam Ki PARK, Soo Cheol LIM, Byung Woo KANG, Sung Taek OH, Young Bok YOON, Bo Sung SEO, Oh Byoung KWON, Jun Sup SHIN
  • Patent number: 10777834
    Abstract: Disclosed are a method for supplying molten carbonate fuel cell with electrolyte and a molten carbonate fuel cell using the same, wherein a molten carbonate electrolyte is generated from a molten carbonate electrolyte precursor compound in a molten carbonate fuel cell and is supplied to the molten carbonate fuel cell.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: September 15, 2020
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sung Pil Yoon, Jonghee Han, Hyung Chul Ham, Chang Won Yoon, Sun-Hee Choi, Hyun Seo Park, Yeong Cheon Kim, Chang-Whan Lee, Hyoung-Juhn Kim, Tae Hoon Lim, Suk Woo Nam, Seong Cheol Jang
  • Publication number: 20200239682
    Abstract: The present invention relates to a resin composition including (1) 80 wt % to 99.8 wt % of a butadiene-based graft copolymer mixture; (2) 0.1 wt % to 10 wt % of a graft copolymer including a derived unit from a polyolefin-based polymer, a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl-based compound; and (3) 0.1 wt % to 10 wt % of an alpha olefin-based copolymer.
    Type: Application
    Filed: November 23, 2018
    Publication date: July 30, 2020
    Inventors: Seung Cheol RYOO, Sung Hwan YOON, Hyun Ki KIM, Seong Lyong KIM, Jin Oh NAM
  • Patent number: 10701516
    Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 30, 2020
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Sung Hwan Ahn, Byeong Cheol Moon, Suk Hoon Jung, Dong Soo Han, Kyung Shik Roh, Suk June Yoon
  • Publication number: 20200199261
    Abstract: Provided is an oxime ester phenylcarbazole compound useful as a photoinitiator for photocrosslinking. Specifically, the carbon atom forming a double bond with the nitrogen atom in the oxime ester moiety of the oxime ester phenylcarbazole compound is bonded to the phenylcarbazole group and is directly bonded to a (C1-C20)alkyl or (C6-C20)aryl group. Also provided is a photopolymerizable composition including the oxime ester phenylcarbazole compound. The oxime ester phenylcarbazole compound and the photopolymerizable composition have improved solubilities, are highly photosensitive, and exhibit excellent physical properties in terms of residual film ratio, pattern stability, resist adhesiveness. Due to these advantages, the oxime ester phenylcarbazole compound and the photopolymerizable composition are suitable for use in black resists, color resists, overcoats, column spacers, and organic insulating films of LCDs.
    Type: Application
    Filed: July 5, 2017
    Publication date: June 25, 2020
    Applicants: Korea Research Institute of Chemical Technology, TAKOMA TECHNOLOGY CO., LTD.
    Inventors: Chang Jin LEE, Jae Min LEE, Shahid AMEEN, Song Yun CHO, Sung Cheol YOON, Young Cheul LEE, Mi Sun RYU, Bok Joo SONG, Keun Soo KIM, So Youn NAM
  • Publication number: 20200134924
    Abstract: Disclosed herein are an apparatus and method for object networking. The apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program registers a real object included in the scene recognized by the virtualization display device of a user as an object of interest, generates a local network using local information pertaining to the object of interest, and generates a global network of multiple objects of interest from the local networks of the multiple objects of interest using global information pertaining to the object of interest.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 30, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae-Yeon KIM, Bhum-Cheol LEE, Ho-Yong RYU, Pyung-Koo PARK, Sung-Hyun YOON, Ho-Sun YOON, Sung-Back HONG, Jung-Yeon HWANG
  • Patent number: 10637701
    Abstract: A method and an apparatus for transmitting the physical uplink control channel including an uplink control channel expressed by product of a uplink control information and a sequence and demodulation reference signal expressed by a sequence having different cyclic shift values through a short resource block are provided.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: April 28, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Taegyun Noh, Kwang Jae Lim, Chul Sik Yoon, Yu Ro Lee, Sung Cheol Chang
  • Publication number: 20200047589
    Abstract: Vehicular heat management system includes a refrigerant circulation line including a compressor, a high pressure side indoor heat exchanger, a heat pump mode expansion valve, an outdoor heat exchanger, an air conditioning mode expansion valve, low pressure side indoor heat exchanger and a refrigerant-cooling water heat exchanger; an air conditioning mode branch line branched from the refrigerant circulation line and configured to, in an air conditioning mode, form a cooling loop by circulating a refrigerant through the compressor, the high pressure side indoor heat exchanger, the outdoor heat exchanger, the air conditioning mode expansion valve and low pressure side indoor heat exchanger. Heat pump mode branch line branched from the refrigerant circulation line is configured, in heat pump mode to form a heating loop by circulating the refrigerant through the compressor, the high pressure side indoor heat exchanger, the heat pump mode expansion valve and the refrigerant-cooling water heat exchanger.
    Type: Application
    Filed: August 9, 2019
    Publication date: February 13, 2020
    Inventors: Jae Min LEE, Young Chul KIM, In Hyeok KIM, Seo Jun YOON, Kyeong Cheol LEE, Seung Ho LEE, Sung Ho KANG, Jung Jae LEE
  • Publication number: 20200020864
    Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.
    Type: Application
    Filed: September 26, 2019
    Publication date: January 16, 2020
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seung-Hee YOON, Sung-Hoon JOO, Seon-Keun YOO, Ji-Cheol SHIN
  • Publication number: 20190394615
    Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.
    Type: Application
    Filed: December 15, 2017
    Publication date: December 26, 2019
    Inventors: Sung Hwan AHN, Byeong Cheol MOON, Suk Hoon JUNG, Dong Soo HAN, Kyung Shik ROH, Suk June YOON
  • Patent number: 10468605
    Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: November 5, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seung-Hee Yoon, Sung-Hoon Joo, Seon-Keun Yoo, Ji-Cheol Shin
  • Publication number: 20190322773
    Abstract: Provided are a transition metal compound for an olefin polymerization catalyst, an olefin polymerization catalyst containing the transition metal compound, and a polyolefin prepared using the olefin polymerization catalyst for polymerization thereof, wherein the transition metal compound is represented by Chemical Formula 1.
    Type: Application
    Filed: December 6, 2017
    Publication date: October 24, 2019
    Inventors: Hyun Seung Lee, Na Young Park, Seong Yeon Park, Hee Ju Yang, Sung Cheol Yoon
  • Publication number: 20190317358
    Abstract: A window for a display device includes a substrate and a functional layer applied on the substrate, wherein the window has surface irregularities, and the surface irregularities are associated with a depth histogram that has a positive skewness and a positive kurtosis. A method of manufacturing the same and a display device including the window are disclosed.
    Type: Application
    Filed: September 20, 2018
    Publication date: October 17, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Du Seop YOON, Ginam KIM, Byung Ha PARK, Myong Jong KWON, Sung Hun HONG, Won Cheol JUNG
  • Publication number: 20190309110
    Abstract: Provided are a transition metal compound for an olefin polymerization catalyst, an olefin polymerization catalyst containing the transition metal compound, and a polyolefin prepared using the olefin polymerization catalyst for polymerization thereof, wherein the transition metal compound is represented by Chemical Formula A1 or Chemical Formula B1.
    Type: Application
    Filed: December 6, 2017
    Publication date: October 10, 2019
    Inventors: Hyun Seung Lee, Na Young Park, Seong Yeon Park, Hee Ju Yang, Sung Cheol Yoon
  • Patent number: 10430648
    Abstract: A method for processing content in an electronic device and an electronic device for doing the same are provided. The method includes acquiring content including at least one character, and performing at least one of classifying the acquired content into at least one of a plurality of categories by analyzing the acquired content or generating vector images including a vector image corresponding to the at least one character based on the acquired content and displaying at least a part of the vector images on a display functionally connected to the electronic device.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: October 1, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Ki-Huk Lee, Seung-Cheol Lee, Jin-Hong Jeong, Tae-Gun Park, Sang-Keun Yoo, Sung-Ho Yoon
  • Patent number: 10418561
    Abstract: An embodiment of the present invention provides an organic compound represented by following Formula: wherein each of R1 to R14 is independently selected from hydrogen, substituted or non-substituted C6 to C12 aryl, substituted or non-substituted C3 to C11 heteroaryl, substituted or non-substituted C1 to C10 alkyl, substituted or non-substituted C1 to C10 alkoxy, ether, cyano group (CN), fluorine, tri-fluoro methyl, tri-fluoro methoxy and trimethylsilyl, and at least one of R1 to R10 is the cyano group, and wherein at least one of R11 to R14 is the cyano group, and A is selected from substituted or non-substituted C6 to C30 aryl and substituted or non-substituted C3 to C30 heteroaryl. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: September 17, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jung-Keun Kim, Do-Han Kim, Jeong-Dae Seo, Ji-Cheol Shin, Heung-Woo Choi, Wan-Pyo Hong, Sang-Duk Suh, Joo-Yong Yoon, Sung-Kil Hong
  • Patent number: 10377169
    Abstract: Disclosed herein are an exterior forming method and an exterior forming structure of an electronic component. The exterior forming method of an electronic component may include mounting an injection-molded product, which is injection molded as an electronic component, to an upper portion a heat transferring base unit, mounting a printing film having an ink layer for a heat transfer to the upper portion of the heat transferring base unit such that the ink layer faces an upper surface of the injection-molded product, and heat-transferring the ink layer on the upper surface of the injection-molded product by rotating a heating roll while closely attached at an upper portion of the printing film. The exterior forming method may also include forming an UV coating layer on an upper portion of the ink layer that is heat-transferred on the injection-molded product.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: August 13, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CICT
    Inventors: Sung Woon Yoon, Sung-Hai Lee, Kyo Ree Lee, Hui-Cheol Kim, Dae-Keun Youn
  • Publication number: 20190200472
    Abstract: Disclosed are a stacked structure includes a substrate and a silsesquioxane cured layer disposed on the substrate. The silsesquioxane cured layer may include a plurality of areas having different refractive indexes in a thickness direction. The plurality of areas may include a first area and a second area. The first area may be disposed on a surface of the substrate and the second area may be disposed on the first area. A refractive index of the second area may be higher than a refractive index of the first area. A display device may include the stacked structure.
    Type: Application
    Filed: November 5, 2018
    Publication date: June 27, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Myong Jong KWON, Ginam Kim, Byung Ha Park, Sung Hun Hong, Du Seop Yoon, Won Cheol Jung