Patents by Inventor Sang-Cheol Lee

Sang-Cheol Lee 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: 20210367173
    Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.
    Type: Application
    Filed: August 2, 2021
    Publication date: November 25, 2021
    Inventors: Chang Han LEE, Myung Hwan KIM, Sang Yeol KIM, Woo Hyun KIM, Hyo Jin KIM, Kyoung II MIN, Tae Hyun SUNG, Se Jeong SHIN, Ho Ryun CHUNG, Jae cheol CHOI
  • Publication number: 20210367580
    Abstract: A resonator includes: interdigital transducer (IDT) including first electrode including first base on piezoelectric substrate and extended in reference direction, and first protrusions connected to the first base and extended in direction intersecting with the reference direction, and second electrode including second base on the piezoelectric substrate and extended in the reference direction, and second protrusions connected to the second base and extended in direction intersecting with the reference direction, each of the second protrusions extended to have one of the first protrusions inserted between the second protrusion and another second protrusion adjacent to the second protrusion, wherein a width of each of first specific protrusions included between one end of the IDT and first position at first distance from the one end, among the first protrusions and the second protrusions, decreases from first specific protrusion closest to the first position toward first specific protrusion closest to the one e
    Type: Application
    Filed: May 14, 2021
    Publication date: November 25, 2021
    Inventors: Toshihiko Kawamoto, Ryota Sato, Sang Tai YU, Je Cheol LEE
  • Publication number: 20210365433
    Abstract: A blockchain based data management method performed by a computing device according to an embodiment of the present disclosure includes recording a deletion event for off-chain data and time information of the deletion event in a blockchain network, and selectively deleting the off-chain data based on a validity verification result calculated for the time information, wherein the validity verification result is calculated using a time-consensus algorithm of the blockchain network.
    Type: Application
    Filed: May 28, 2020
    Publication date: November 25, 2021
    Inventors: Young Yoo HEO, Kwang Cheol LEE, Sang Ji BAE, Jun Tae KIM, Jung Eun LEE, Kyu Sang LEE
  • Publication number: 20210354758
    Abstract: Provided is a vehicle sub-frame including a front cross member, a rear cross member, and left and right side members mounted to connect the front cross member and the rear cross member to each other. Each of the left and right side members has a protrusion that protrudes laterally at a corner portion of a rear end portion thereof, the corner portion being joined to a corner portion of the rear cross member. A weld joint is formed by welding to the rear cross member along a laterally extending portion of a trim line portion of the protrusion, in which the trim line portion of the protrusion is the perimeter of the protrusion.
    Type: Application
    Filed: September 25, 2020
    Publication date: November 18, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Dong Hee Industrial Co., Ltd.
    Inventors: Gi Bong Jo, Hyun Min Jang, Sang Jae Shin, Chul Woo Kwak, Soo Cheol Lee, Se Hoon Kim
  • Publication number: 20210349341
    Abstract: A display device including: a display panel including a first area, a second area spaced apart from the first area, and a bent third area between the first and second areas; a first support film coupled to a bottom surface of the display panel and overlapping the first area; and a second support film coupled to the bottom surface of the display panel, overlapping the second area, and spaced apart from the first support film by a gap, the gap overlapping the third area, a top surface of the first support film facing the display panel and an inner side of the first support film form a first angle, a top surface of the second support film facing the display panel and an inner side of the second support film form a second angle, which is greater than the first angle, and the first support film includes a protruding pattern.
    Type: Application
    Filed: July 9, 2021
    Publication date: November 11, 2021
    Inventors: Chang Han LEE, Myung Hwan Kim, Sang Yeol Kim, Woo Hyun Kim, Hyo Jin Kim, Kyoung II Min, Tae Hyun Sung, Se Joong Shin, Ho Ryun Chung, Jae Cheol Choi
  • Patent number: 11148949
    Abstract: The present invention relates to a method of preparing a lithium difluorophosphate crystal. More particularly, the present invention relates to a method of preparing a high-purity lithium difluorophosphate crystal at a high yield, and the high-purity lithium difluorophosphate crystal prepared by the method can be used for various purposes.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: October 19, 2021
    Assignee: Chun Bo., Ltd
    Inventors: Sang Yul Lee, Kyoung Cheol Kim, Kyoung Hwan Kim, Ji Ung Jeon, Su Cheol Park
  • Patent number: 11152147
    Abstract: A coil component includes: a body having a first surface and a second surface opposing each other in a thickness direction of the body and a wall surface connecting the first and second surfaces; a coil part including coil patterns and including at least one turn centered on the thickness direction; external electrodes disposed on the first surface of the body and electrically connected to the coil part; a shielding layer including a cap portion disposed on the second surface of the body and side wall portions disposed on the wall surface of the body and each having a first end connected to the cap portion; an insulating layer disposed between the body and the shielding layer; and a gap portion bounded by a second end of the shielding layer opposing the first end and the first surface of the body to expose portions of the wall surface.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tai Yon Cho, Chang Hak Choi, Byeong Cheol Moon, Sang Jong Lee, Hee Soo Yoon, Tae Jun Choi, Seung Hee Oh, Su Bong Jang
  • Patent number: 11143891
    Abstract: A display device including: a display panel including a first area, a second area spaced apart from the first area, and a bent third area between the first and second areas; a first support film coupled to a bottom surface of the display panel and overlapping the first area; and a second support film coupled to the bottom surface of the display panel, overlapping the second area, and spaced apart from the first support film by a gap, the gap overlapping the third area, a top surface of the first support film facing the display panel and an inner side of the first support film form a first angle, a top surface of the second support film facing the display panel and an inner side of the second support film form a second angle, which is greater than the first angle, and the first support film includes a protruding pattern.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: October 12, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang Han Lee, Myung Hwan Kim, Sang Yeol Kim, Woo Hyun Kim, Hyo Jin Kim, Kyoung Il Min, Tae Hyun Sung, Se Joong Shin, Ho Ryun Chung, Jae Cheol Choi
  • Publication number: 20210301412
    Abstract: The present disclosure provides a Cu1.81S catalyst for synthesizing NH3 and a method for synthesizing NH3 using the same. According to the present disclosure, the Cu1.81S catalyst is provided in order to increase an efficiency of NH3 synthesis. A copper sulfide catalyst and the method for synthesizing NH3 via an electrochemical nitrogen reduction reaction (NRR) using the Cu1.81S catalyst are provided in order to reduce a limiting potential (UL) required for the NRR. In the NRR for the NH3 synthesis, it is provided the copper sulfide catalyst that can be used in any one of two different pathways for the NRR, and the method for synthesizing NH3 with higher activity of the NRR based thereon.
    Type: Application
    Filed: November 25, 2020
    Publication date: September 30, 2021
    Applicant: Korea Institute of Science and Technology
    Inventors: Sang Soo Han, Seung Yong Lee, Hyun S. Park, Min Cheol Kim, Hyun Ji Nam, Ji Hyun Choi
  • Patent number: 11130486
    Abstract: A limp-home control method for a hybrid vehicle may include: a fault determination step for determining, by a controller, whether a solenoid valve battery short circuit fault occurs in a transmission; a first limp-home step for controlling, by the controller, solenoid valves to implement a limp-home gear stage while maintaining a state where power is suppliable to the solenoid valves involved in shifting gears when it is determined that the solenoid valve battery short circuit fault exists; an engine necessity verification step for verifying, by the controller, whether engagement of an engine clutch is needed; and a second limp-home step for driving, by the controller, a solenoid valve controlling the engine clutch to engage the engine clutch, implementing limp-home driving by engine power when the engagement of the engine clutch is needed.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: September 28, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Hyun Jeong, Hak Sung Lee, Seong Hwan Kim, Dae Won Yang, Gyeong Cheol Kim
  • Publication number: 20210283012
    Abstract: Disclosed is a thermo-therapeutic apparatus capable of controlling movement of a heating moxibustion device which can intensively massage a part desired by the user, can massage in various ways such as moxibustion or thermal massage, and can quickly move to a location desired by the user. To this end, a thermo-therapeutic apparatus capable of controlling movement of a heating moxibustion device includes a heating moxibustion device, a driving unit for moving the heating moxibustion device, a control unit for controlling an operation of the driving unit, and an input unit for selecting a thermal massage pattern desired by a user, wherein the control unit is equipped with an automatic mode in which when the user inputs a desired location, the heating moxibustion device is controlled to automatically move to the location to perform a thermal massage.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 16, 2021
    Inventors: Dong Myoung LEE, Ki Sung KIM, Sang Cheol HAN
  • Publication number: 20210282110
    Abstract: The present disclosure relates to a positioning network system, apparatus, and method using a mobile object, and more particularly, to a positioning network system, apparatus, and method using a mobile object, that are capable of improving positioning accuracy while reducing an amount of calculation for positioning by arranging a plurality of positioning nodes included in a positioning mobile object in a right angle direction, and also efficiently expanding a positionable region by using a plurality of positioning mobile objects or an intermediate mobile object.
    Type: Application
    Filed: February 26, 2021
    Publication date: September 9, 2021
    Inventor: Sang Cheol Lee
  • Patent number: 11103003
    Abstract: This invention relates to a lyocell material for a tobacco filter and a method of manufacturing the same, and more particularly to a lyocell fiber having a modified cross-section for a tobacco filter, wherein the cross-sectional shape of a monofilament contained in a lyocell fiber is controlled to increase the external surface area of the fiber, after which then crimps are formed, thereby exhibiting properties equal or superior to those of conventional lyocell materials, even when used in a small amount.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: August 31, 2021
    Assignees: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Jong Cheol Jeong, Sang Woo Jin, Sang Yoel Lee, Woo Chul Kim, Sang Mok Lee, Jong Yeol Kim, Soo Ho Kim, Bong Su Cheong, Hyun Suk Cho, Sung Jong Ki
  • Patent number: 11027704
    Abstract: Disclosed herein is a wiper blade assembly including: a contact member; an elastic member for supporting the contact member; a cover member for covering the elastic member; and a coupling cover to be fastened to the elastic member. The cover member includes: a spoiler; an extended plate extended from one end of the spoiler; a first coupling protrusion located in a first predetermined position of the extended plate; and a first coupling hole located in a second predetermined position of the extended plate adjacent to the first coupling protrusion. The coupling cover includes: a second coupling hole located in an inner space thereunder and receiving the first coupling protrusion of the cover member; and a second coupling protrusion located adjacent to the second coupling hole and inserted into the first coupling hole of the cover member. The cover member can be reliably fixed to the wiper blade assembly.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: June 8, 2021
    Assignees: CAP CORPORATION, ILLINOIS TOOL WORKS INC.
    Inventors: Sang Cheol Lee, Young Hun Lim, Subramaniam Shanmugham, Martin Rosas
  • Patent number: 10760848
    Abstract: Provided herein is a refrigerator with an improved coupling structure of a heat dissipation duct for dissipating heat generated in a display unit and having and applying the improved heat dissipation duct to a door having a thin thickness such that a problem in which a curve is generated at an exterior of a door when an inside of the door is filled with a heat insulating material is prevented. The refrigerator includes a main body, and a door, wherein the door includes a door cap coupled to at least one of an upper portion and a lower portion of the door, a display unit provided at a front surface of the door, a heat dissipation cover arranged behind the display unit, and a heat dissipation duct slidably inserted into the door through the at least one of the upper portion and the lower portion of the door.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: September 1, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Won Koo, Sung Mo Kim, Po Cheon Kim, Sang Cheol Lee, Oun Gu Lee, Woo Chul Cho, Sun Hwan Joo
  • Publication number: 20190377411
    Abstract: A hybrid wave computer that computes an inputted original signal as frequency information includes: an input module configured to separate a frequency of the original signal by detecting an oscillation of an piezoelectric element by each position as the original signal having an embedded frequency of several bands is transmitted in a form of acoustic waves on a substrate provided with the piezoelectric element; a calculation module including at least one vibration amplifier or vibration damper for receiving the frequency of the original signal separated in the input module and amplifying or attenuating a wave for each frequency band to calculate the inputted original signal in a frequency band; and a storage module configured to store binarized frequency information in the calculation module as digital information, so that the original signal is interfaced in a form of waves.
    Type: Application
    Filed: December 8, 2017
    Publication date: December 12, 2019
    Inventors: Sang Cheol LEE, Woo Young JUNG
  • Patent number: 10446856
    Abstract: Provided is a solid oxide fuel cell having longitudinal and lateral channels in an electronic separator plate. A solid oxide fuel cell includes a unit cell formed by stacking a cathode, electrolyte, and an anode, a separator plate having channels in both surfaces thereof, wherein reaction gas flows through the channels, and the channels include longitudinal channels parallel to a flow direction of the reaction gas, and lateral channels crossing the flow direction of the reaction gas, and a collector disposed between the unit cell and the separator plate. The longitudinal channels increase in width from a reaction gas inflow hole to a reaction gas outflow hole.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: October 15, 2019
    Assignee: Posco Energy Co., Ltd.
    Inventors: Hyeon Min Son, Sang-Cheol Lee, Byung Geun Kuk, Sang Gyun Park, Sang Hyun Park
  • Patent number: D889717
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: July 7, 2020
    Assignee: GIGATERA INC.
    Inventors: Duk-Yong Kim, Hyun Ki Kim, Tai Woo Lee, Ki Seong Roh, Sang Cheol Lee
  • Patent number: D889718
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: July 7, 2020
    Assignee: GIGATERA INC.
    Inventors: Duk-Yong Kim, Hyun Ki Kim, Ki Seong Roh, Sang Cheol Lee
  • Patent number: D889719
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: July 7, 2020
    Assignee: GIGATERA INC.
    Inventors: Duk-Yong Kim, Hyun Ki Kim, Ki Seong Roh, Sang Cheol Lee