Patents by Inventor Sang-yeol Kim

Sang-yeol 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: 20200287162
    Abstract: A display device includes: a substrate; a light emitting element layer including a first light emitting element in a first display area of the substrate, and a second light emitting element in a second display area of the substrate; and a thin-film encapsulation layer formed on the light emitting element layer. The first light emitting elements may include a first electrode, an organic light emitting layer, and a second electrode. The second light emitting elements may include a first electrode, an inorganic light emitting layer, and a second electrode.
    Type: Application
    Filed: January 21, 2020
    Publication date: September 10, 2020
    Inventors: Ho Ryun CHUNG, Myung Hwan KIM, Sang Yeol KIM, Se Joong SHIN, Chang Han LEE, Deok Hyeon JANG
  • Publication number: 20200265978
    Abstract: The present invention relates to a method of manufacturing a superparamagnetic nanocomposite and a superparamagnetic nanocomposite manufactured using the same, and more particularly to a method of manufacturing a superparamagnetic nanocomposite suitable for use in magnetic separation for the detection of a target biomaterial and a superparamagnetic nanocomposite manufactured using the same. The method of manufacturing the superparamagnetic nanocomposite according to the present invention has a higher yield and a high rate without complicated processing than a conventional method of manufacturing a magnetic nanoparticle for magnetic separation and is capable of mass production of the superparamagnetic nanocomposite having excellent properties with uniform size and particle size distribution, high aqueous solution dispersibility and high magnetization and being capable of maintaining superparamagnetism.
    Type: Application
    Filed: April 17, 2020
    Publication date: August 20, 2020
    Inventors: Sung-Il Kim, Min-Young Choi, Myoung-Yeol Lee, Jae-Beom Lee, Van Tan Tran, Jeong-Hyo Kim, Sang-Jin Oh
  • Publication number: 20200239634
    Abstract: The present disclosure relates to a polyimide-based block copolymer and a polyimide-based film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film having a large molecular weight and exhibiting colorless and transparent properties.
    Type: Application
    Filed: October 12, 2017
    Publication date: July 30, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Sung Yeol CHOI, Byung Guk KIM, Sang Gon KIM, Duk Hun JANG, Hyung Sam CHOI
  • Patent number: 10717819
    Abstract: The present disclosure relates to a polyimide-based block copolymer film. The polyimide-based block copolymer film according to the present disclosure exhibits excellent an ultraviolet shielding property to be suitably used for substrates for displays, protective films for displays, touch panels, and the like.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: July 21, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Duk Hun Jang, Byung Guk Kim, Young Sik Eom, Sung Yeol Choi, Sang Gon Kim, Hyung Sam Choi
  • Patent number: 10689489
    Abstract: The present disclosure relates to a polyimide-based block copolymer and a polyimide-based film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film exhibiting excellent mechanical properties while being colorless and transparent. The polyimide-based film may be used as a cover film of various flexible or foldable devices.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: June 23, 2020
    Assignee: LG CHEM LTD.
    Inventors: Sung Yeol Choi, Byung Guk Kim, Sang Gon Kim, Duk Hun Jang, Hyung Sam Choi
  • Patent number: 10681803
    Abstract: In one example, a flexible circuit board includes a signal line disposed between a first ground and a second ground; a dielectric disposed between the first ground and the signal line and between the second ground and the signal line; and a flatness improvement portion disposed on an upper portion of the second ground.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: June 9, 2020
    Assignee: GIGALANE CO., LTD.
    Inventors: Byung Hoon Jo, Sang Pil Kim, Byung Yeol Kim, Hee seok Jung
  • Publication number: 20200166563
    Abstract: In a method of testing an interconnection substrate, a blocking condition of a reference light reflected from a probe having an intrinsic optical characteristic may be set. An electric field emitted from a test interconnection substrate having a plurality of circuits may change the intrinsic optical characteristics of the probe into test optical characteristics. Light may be irradiated to the probe having the test optical characteristics. The reference light reflected from the probe having the test optical characteristic may be blocked in accordance with the blocking condition. The remaining reflected light that may be due to an abnormal circuit may be detected.
    Type: Application
    Filed: June 11, 2019
    Publication date: May 28, 2020
    Inventors: Mee-Hyun LIM, Sung-Yeol KIM, Seong-Keun CHO, Won-Don JOO, Jae-Hong KIM, Taek-Jin KIM, Kyung-Min LEE, Sang-Min LEE
  • Publication number: 20200164773
    Abstract: The present disclosure provides a multi-joint seat back for a vehicle, which may include a plurality of partitioned seat back components provided to have a structure in which a seat pad is inserted into a front portion of a skeletal frame and configured to be hinged to one another in a manner of rotating angularly in a forward or backward direction; elastic wires, each of which is connected between two partitioned seat back components selected from the plurality of partitioned seat back components; pulling wires bound to predetermined positions of the elastic wires respectively; and a drive unit connected to the pulling wires such that it winds the pulling wires to pull the elastic wires or otherwise releases the pulling wires to restore the elastic wires.
    Type: Application
    Filed: June 12, 2019
    Publication date: May 28, 2020
    Inventors: Chan Ho JUNG, Gil Ju KIM, Seong Mun YUN, Seon Chae NA, Ju Yeol KONG, Mu Young KIM, Hyung Jin PARK, Sang Uk YU, Hyun Kyu MOON
  • Publication number: 20200156503
    Abstract: A side extension device for a seat of a vehicle, may include a seat cushion frame for forming a framework, a cushion pad provided with a bolster formed on each of opposite sides thereof, and a seat cover for covering a surface of the cushion pad, wherein a plurality of slits is formed in the bolster of the cushion pad, and divided bolster parts are formed between the slits, wherein the divided bolster parts are successively inclined outward by contact pressure of side parts of hips of an occupant, so that the bolster spreads outward.
    Type: Application
    Filed: April 9, 2019
    Publication date: May 21, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Uk Yu, Seong Mun Yun, Hyun Kyu Moon, Seon Chae Na, Mu Young Kim, Hyung Jin Park, Byung Yong Choi, Chan Ho Jung, Ju Yeol Kong
  • Patent number: 10658097
    Abstract: The present invention relates to a method of manufacturing a superparamagnetic nanocomposite and a superparamagnetic nanocomposite manufactured using the same, and more particularly to a method of manufacturing a superparamagnetic nanocomposite suitable for use in magnetic separation for the detection of a target biomaterial and a superparamagnetic nanocomposite manufactured using the same. The method of manufacturing the superparamagnetic nanocomposite according to the present invention has a higher yield and a high rate without complicated processing than a conventional method of manufacturing a magnetic nanoparticle for magnetic separation and is capable of mass production of the superparamagnetic nanocomposite having excellent properties with uniform size and particle size distribution, high aqueous solution dispersibility and high magnetization and being capable of maintaining superparamagnetism.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: May 19, 2020
    Assignees: AMOLIFESCIENCE CO., LTD., PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Sung-Il Kim, Min-Young Choi, Myoung-Yeol Lee, Jae-Beom Lee, Van Tan Tran, Jeong-Hyo Kim, Sang-Jin Oh
  • Publication number: 20200152577
    Abstract: A semiconductor device and a method of forming the same, the semiconductor device including an insulating structure having an opening; a conductive pattern disposed in the opening; a barrier structure covering a bottom surface of the conductive pattern, the barrier structure extending between the conductive pattern and side walls of the opening; and a nucleation structure disposed between the conductive pattern and the barrier structure. The nucleation structure includes a first nucleation layer that contacts the barrier structure, and a second nucleation layer that contacts the conductive pattern, and a top end portion of the second nucleation layer is higher than a top end portion of the first nucleation layer.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 14, 2020
    Inventors: TAE YEOL KIM, JI WON KANG, CHUNG HWAN SHIN, JIN IL LEE, SANG JIN HYUN
  • Publication number: 20200140981
    Abstract: Provided according to one preferred aspect of the present invention are austenitic steel material having superb abrasion resistance and toughness, and a method for producing the austenite steel material. The austenitic steel material having superb abrasion resistance and toughness according to one preferred aspect of the present invention comprises, in wt %, 0.6-1.9% carbon (C); 12-22% manganese (Mn); 5% or lower (excluding 0%) chromium (Cr); 5% or lower (excluding 0%) copper (Cu); 0.5% or lower (excluding 0%) aluminum (Al); 1.0% or lower (excluding 0%) silicon (Si); 0.1% or lower (including 0%) phosphorous (P); 0.02% or lower (including 0%) sulfur (S); and the rest in Fe and unavoidable impurities, and has the microstructure comprising, by surface area fraction, 97% or higher (including 100%) austenite and 3% or lower (including 0%) carbide.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 7, 2020
    Inventors: Yong-Jin Kim, Hong-Yeol Oh, Hong-Ju Lee, Sang-Deok Kang, Yoen-Jung Park, Young-Deok Jung
  • Publication number: 20200143990
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including an active layer, in which first and second internal electrodes are disposed with a dielectric layer interposed therebetween, the N number of each of the first and second internal electrodes being stacked to be alternately exposed from first and second external surfaces; and first and second external electrodes disposed on the first and second external surfaces of the ceramic body and connected to the first and second internal electrodes, respectively. The ceramic body further includes a cover layer disposed above or below the active layer. The cover layer includes a plurality of first and second dummy electrodes. A number (A>N) of the first and second dummy electrodes are stacked to be alternately exposed from the first and second external surfaces.
    Type: Application
    Filed: August 28, 2019
    Publication date: May 7, 2020
    Inventors: Tae Hyeok Kim, Jea Yeol Choi, Sang Soo Park, Hwi Dae Kim, Young Jun Cha
  • Publication number: 20200144689
    Abstract: A band pass filter including a microstrip transmission line comprises: a substrate having a grounding surface formed on a rear surface thereof; an input port which is formed on an upper surface of the substrate and receives a transmission signal; an output port which is formed on the upper surface of the substrate and outputs a filtered transmission signal; and a plurality of signal transmission lines spaced at predetermined distance from one another in parallel, each of the plurality of signal transmission lines having one end connected to and in contact with the input port, and having the other end connected to and in contact with the output port.
    Type: Application
    Filed: July 26, 2017
    Publication date: May 7, 2020
    Inventors: Sang Yeol LEE, Jae Pil KIM, Young Kyun LIM
  • Publication number: 20200127079
    Abstract: A capacitor includes a lower electrode including a first metal material and having a first crystal size in a range of a few nanometers, a dielectric layer covering the lower electrode and having a second crystal size that is a value of a crystal expansion ratio times the first crystal size and an upper electrode including a second metal material and covering the dielectric layer. The upper electrode has a third crystal size smaller than the second crystal size.
    Type: Application
    Filed: June 18, 2019
    Publication date: April 23, 2020
    Inventors: EUN-SUN KIM, SANG-YEOL KANG, KYOO-HO JUNG, KYU-HO CHO, HYO-SIK MUN
  • Patent number: 10624209
    Abstract: A flexible printed circuit board is introduced. The flexible printed circuit board of the present invention has a first substrate part, comprising a first signal line, and a second substrate part, comprising a second signal line that is parallel to the first signal line, arranged on the same plane while having a shielding part interposed therebetween.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: April 14, 2020
    Assignee: GIGALANE CO., LTD.
    Inventors: Ik Soo Kim, Byung Yeol Kim, Sang Pil Kim, Byung Hoon Jo, Da Yeon Lee, Hwang Sub Koo, Hyun Je Kim, Hee Seok Jung
  • Patent number: 10617146
    Abstract: This invention relates to a method of manufacturing a lyocell material for a cigarette filter, including (S1) spinning a lyocell spinning dope composed of 8 to 13 wt % of a cellulose pulp and 87 to 92 wt % of an N-methylmorpholine-N-oxide (NMMO) aqueous solution; (S2) coagulating the lyocell spinning dope spun in (S1), thus obtaining a lyocell multifilament; (S3) water-washing the lyocell multifilament obtained in (S2); (S4) oiling the lyocell multifilament water-washed in (S3); and (S5) applying steam and pressure to the lyocell multifilament obtained in (S4), thus obtaining a crimped tow having 30 to 40 crimps per inch.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: April 14, 2020
    Assignees: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Sang Woo Jin, Woo Chul Kim, Yong Kwan Cho, Jong Cheol Jeong, Sang Mok Lee, Sang Yoel Lee, Jong Yeol Kim, Soo Ho Kim, Bong Su Cheong, Hyun Suk Cho, Sung Jong Ki, Hyeon Tae Kim
  • Publication number: 20200085094
    Abstract: A lyocell material for a cigarette filter and a method of manufacturing the same are disclose. The lyocell material which is biodegradable and eco-friendly can be manufactured by crimping lyocell multifilaments to obtain a crimped tow.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 19, 2020
    Applicants: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Jong Cheol JEONG, Woo Chul KIM, Sang Woo JIN, Burm Ho YANG, Man Seok SEO, Kyung Joon LEE, Hyun Suk CHO, Jong Yeol KIM
  • Publication number: 20200087751
    Abstract: The present disclosure relates to an austenitic steel having excellent surface characteristic, and a method of manufacturing the same. Provided are an austenitic steel having excellent surface characteristic, and a method for producing the same, the austenitic steel according to an aspect of the present disclosure comprising, by weight, carbon (C): 0.6% to 1.3%, manganese (Mn): 14% to 22%, copper (Cu): 5% or less (excluding 0%), chromium (Cr): 5% or less (excluding 0%), silicon (Si): 1.0% or less (excluding 0%), aluminum (Al): 0.5% or less (excluding 0%), phosphorus (P): 0.1% or less (including 0%), sulfur (S): 0.02% or less (including 0%), a remainder of iron (Fe), and inevitable impurities, wherein a microstructure of the austenitic steel comprises, by area, 5% or less of carbide and a remaining austenite structure, and a surface defect size of the austenitic steel is 0.3 mm or less.
    Type: Application
    Filed: December 21, 2017
    Publication date: March 19, 2020
    Inventors: Yong-Jin KIM, Hong-Yeol OH, Sang-Deok KANG, Un-Hae LEE, Yu-Mi HA
  • Patent number: D886073
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: June 2, 2020
    Assignee: GIGALANE CO., LTD.
    Inventors: Sang Pil Kim, Ik Soo Kim, Byung Yeol Kim, Byung Hoon Jo, Hee seok Jung