Patents by Inventor Dong Myung Lee

Dong Myung 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).

  • Patent number: 12077645
    Abstract: The present disclosure provides a surface-modified alginate micro-capsule having a core-shell structure in which a core is fluidizable phase alginate, and a shell is alginate hydrogel crosslinked with epigallocatechin gallate dimer, a preparation method thereof, and a cell encapsulation method using the same.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: September 3, 2024
    Assignee: OPTIPHARM CO., LTD
    Inventors: Dong Yun Lee, Jae Bin Lee, Ki Myung Choi, Joo Hyun Shim, Jae Kyung Park
  • Publication number: 20240288157
    Abstract: The present disclosure relates to relates to an industrial premixed gas combustor using internal exhaust gas recirculation and an operating method thereof.
    Type: Application
    Filed: December 13, 2022
    Publication date: August 29, 2024
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Min-Jung LEE, Young-tae GUAHK, Chang-bog KO, Eun-kyung LEE, Dae Keun LEE, Seung-gon KIM, Woo-Nam JUNG, Hookyung LEE, Dong Myung SEO, Nam Su KIM
  • Publication number: 20240265247
    Abstract: Disclosed is a technology of independently connecting a plurality of neuromorphic elements three-dimensionally laminated on a Complementary Metal-Oxide Semiconductor (CMOS) wafer through an interconnection layer and selectively driving and testing the plural neuromorphic elements with pulses generated and transmitted from the CMOS wafer.
    Type: Application
    Filed: June 22, 2022
    Publication date: August 8, 2024
    Applicants: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Chang Hwan CHOI, Yoo Myung LEE, Yu Rim JEON, Dong UK SEO
  • Patent number: 12049881
    Abstract: A swash plate compressor including: a housing; a rotating shaft rotatably mounted to the housing; a swash plate accommodated in a crank chamber of the housing and rotating with the rotating shaft; a piston forming a compression chamber with the housing and interlocking with the swash plate to reciprocate; a discharge flow path guiding a refrigerant of the crank chamber to a suction chamber of the housing wherein an inclination angle of the swash plate is adjusted; and a discharge flow path control valve having a valve chamber provided in the discharge flow path and a valve core reciprocating inside the valve chamber, and the valve core includes: a first communication path constantly communicating the discharge flow path; and a second communication path communicating the discharge flow path when differential pressure between pressure of the crank chamber and pressure of the suction chamber is within a certain pressure range.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: July 30, 2024
    Assignee: HANON SYSTEMS
    Inventors: Se Young Song, Ok Hyun Kim, Kwang Jin Kim, Dong Hyuk Chang, Sung Myung Lee, Ki Sang Hong
  • Publication number: 20230076805
    Abstract: The present disclosure relates to a dielectric composite-based power reduction device. The power reduction device of the present disclosure is a dielectric composite-based power reduction device capable of high-efficiency power reduction via parallel connection to an input power supply. The power reduction is achieved by reactive power reduction based on a capacitor bank principle, a harmonic wave reduction by inductance, and an increase in active power efficiency. Disclosed are a composite electrode structure capable of achieving all of those, and an improvement in a performance based on a development of the composite.
    Type: Application
    Filed: March 24, 2021
    Publication date: March 9, 2023
    Applicant: KESECO CO., LTD
    Inventor: Dong Myung LEE
  • Patent number: 10810928
    Abstract: A method of driving a display by communicating with a controller through a first channel and a second channel includes; generating recovery data from a signal received through the first channel during a frame data period, detecting a vertical blank period between frame data periods, checking a training trigger event history during the vertical blank period, and during the vertical blank period, transmitting a training request direct to the first channel through the second channel when there is a training trigger event history.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: October 20, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Wook Lim, Dong-Myung Lee, Jae-Suk Yu, Kil-Hoon Lee, Jae-Youl Lee
  • Patent number: 10355700
    Abstract: A method of recovering a clock and data from an input data signal including an embedded clock, the method including generating a recovery clock signal from the input data signal based on a first window signal; detecting a unit interval corresponding to one bit of the input data signal based on the recovery clock signal; delaying a signal synchronized with the recovery clock signal based on the unit interval; and generating the first window signal based on the delayed signal.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: July 16, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Pil Lim, Kyung-Ho Ryu, Jae-Suk Yu, Jae-Youl Lee, Dong-Myung Lee, Hyun-Wook Lim
  • Publication number: 20190197941
    Abstract: A method of driving a display by communicating with a controller through a first channel and a second channel includes; generating recovery data from a signal received through the first channel during a frame data period, detecting a vertical blank period between frame data periods, checking a training trigger event history during the vertical blank period, and during the vertical blank period, transmitting a training request direct to the first channel through the second channel when there is a training trigger event history.
    Type: Application
    Filed: October 23, 2018
    Publication date: June 27, 2019
    Inventors: HYUN-WOOK LIM, DONG-MYUNG LEE, JAE-SUK YU, KIL-HOON LEE, JAE-YOUL LEE
  • Publication number: 20190158100
    Abstract: A method of recovering a clock and data from an input data signal including an embedded clock, the method including generating a recovery clock signal from the input data signal based on a first window signal; detecting a unit interval corresponding to one bit of the input data signal based on the recovery clock signal; delaying a signal synchronized with the recovery clock signal based on the unit interval; and generating the first window signal based on the delayed signal.
    Type: Application
    Filed: October 3, 2018
    Publication date: May 23, 2019
    Inventors: JUNG-PIL LIM, KYUNG-HO RYU, JAE-SUK YU, JAE-YOUL LEE, DONG-MYUNG LEE, HYUN-WOOK LIM
  • Patent number: 10170033
    Abstract: A display device includes a data generator configured to generate a clock-embedded data packet, and a controller configured to control operation of the data generator. The data packet comprises a header, a first symbol comprising address information therein, and a second symbol not comprising address information, and the header comprises address information of the first symbol.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: January 1, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwi Sung Yoo, Dong Hoon Baek, Dong Myung Lee, Hyun Wook Lim, Eun Young Jin, Jae Youl Lee
  • Patent number: 9898997
    Abstract: The display driving circuit including a type detector for receiving a data packet including a 2-bit embedded signal, in which a clock signal embedded in a data signal, and outputting a first reference clock or a second reference clock different from the first reference clock according to a type of the data packet, a window generator for receiving multi-phase clocks and providing to the type detector a first window reference and a second window reference different from the first window reference to be used in determining the type of the data packet, a buffer for delaying the first reference clock by a first interval and delaying the second reference clock by a second interval different from the first interval, and a multiplexer for multiplexing the delayed first and second reference clocks and outputting a multiplexed reference clock may be provided.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: February 20, 2018
    Assignees: Samsung Electronics Co., Ltd., Postech Academia-Industry Collaboration Foundation
    Inventors: Dong-Hoon Baek, Jae-Yoon Sim, Dong-Myung Lee, Jae-Youl Lee
  • Patent number: 9866775
    Abstract: A digital double sampling method, a related complementary metal oxide semiconductor (CMOS) image sensor, and a digital camera comprising the CMOS image sensor are disclosed. The method includes generating first digital data corresponding to an initial voltage level apparent in a pixel in response to a reset signal, inverting the first digital data, outputting a detection voltage corresponding to image data received from outside of the CMOS image sensor, and counting in synchronization with a clock signal, starting from an initial value equal to the inverted first digital data, and for an amount of time responsive to a voltage level of the detection voltage.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: January 9, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Myung Lee, Gun-Hee Han, Seog-Heon Ham
  • Publication number: 20170148377
    Abstract: A display device includes a data generator configured to generate a clock-embedded data packet, and a controller configured to control operation of the data generator. The data packet comprises a header, a first symbol comprising address information therein, and a second symbol not comprising address information, and the header comprises address information of the first symbol.
    Type: Application
    Filed: November 22, 2016
    Publication date: May 25, 2017
    Inventors: KWI SUNG YOO, Dong-Hoon Baek, Dong Myung Lee, Hyun Wook Lim, Eun Young Jin, Jae Youl Lee
  • Publication number: 20170094204
    Abstract: A digital double sampling method, a related complementary metal oxide semiconductor (CMOS) image sensor, and a digital camera comprising the CMOS image sensor are disclosed. The method includes generating first digital data corresponding to an initial voltage level apparent in a pixel in response to a reset signal, inverting the first digital data, outputting a detection voltage corresponding to image data received from outside of the CMOS image sensor, and counting in synchronization with a clock signal, starting from an initial value equal to the inverted first digital data, and for an amount of time responsive to a voltage level of the detection voltage.
    Type: Application
    Filed: December 8, 2016
    Publication date: March 30, 2017
    Inventors: DONG-MYUNG LEE, GUN-HEE HAN, SEOG-HEON HAM
  • Patent number: 9538105
    Abstract: A digital double sampling method, a related complementary metal oxide semiconductor (CMOS) image sensor, and a digital camera comprising the CMOS image sensor are disclosed. The method includes generating first digital data corresponding to an initial voltage level apparent in a pixel in response to a reset signal, inverting the first digital data, outputting a detection voltage corresponding to image data received from outside of the CMOS image sensor, and counting in synchronization with a clock signal, starting from an initial value equal to the inverted first digital data, and for an amount of time responsive to a voltage level of the detection voltage.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: January 3, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Myung Lee, Gun-Hee Han, Seog-Heon Ham
  • Patent number: 9514713
    Abstract: A timing controller, a source driver, and a display driver integrated circuit (DDI) having improved test efficiency and a method of operating the DDI are provided. The timing controller includes a code generation unit for generating a first code from display data, a protocol encoder for generating a data sequence including the display data and the first code, and a transmission unit for providing the data sequence to a source driver through a link.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: December 6, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-Myung Lee, Young-Min Choi, Jae-Youl Lee, Han-Su Pae, Dong-Hoon Baek, Young-Hun Lee, Kil-Hoon Lee
  • Publication number: 20160065867
    Abstract: A digital double sampling method, a related complementary metal oxide semiconductor (CMOS) image sensor, and a digital camera comprising the CMOS image sensor are disclosed. The method includes generating first digital data corresponding to an initial voltage level apparent in a pixel in response to a reset signal, inverting the first digital data, outputting a detection voltage corresponding to image data received from outside of the CMOS image sensor, and counting in synchronization with a clock signal, starting from an initial value equal to the inverted first digital data, and for an amount of time responsive to a voltage level of the detection voltage.
    Type: Application
    Filed: November 6, 2015
    Publication date: March 3, 2016
    Inventors: DONG-MYUNG LEE, GUN-HEE LEE, SEOG-HEON HAM
  • Patent number: 9204071
    Abstract: A digital double sampling method, a related complementary metal oxide semiconductor (CMOS) image sensor, and a digital camera comprising the CMOS image sensor are disclosed. The method includes generating first digital data corresponding to an initial voltage level apparent in a pixel in response to a reset signal, inverting the first digital data, outputting a detection voltage corresponding to image data received from outside of the CMOS image sensor, and counting in synchronization with a clock signal, starting from an initial value equal to the inverted first digital data, and for an amount of time responsive to a voltage level of the detection voltage.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: December 1, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Myung Lee, Gun-Hee Han, Seog-Heon Ham
  • Publication number: 20150213779
    Abstract: The display driving circuit including a type detector for receiving a data packet including a 2-bit embedded signal, in which a clock signal embedded in a data signal, and outputting a first reference clock or a second reference clock different from the first reference clock according to a type of the data packet, a window generator for receiving multi-phase clocks and providing to the type detector a first window reference and a second window reference different from the first window reference to be used in determining the type of the data packet, a buffer for delaying the first reference clock by a first interval and delaying the second reference clock by a second interval different from the first interval, and a multiplexer for multiplexing the delayed first and second reference clocks and outputting a multiplexed reference clock may be provided.
    Type: Application
    Filed: January 27, 2015
    Publication date: July 30, 2015
    Applicant: POSTECH ACADEMIA-INDUSTRY COLLABORATION FOUNDATION
    Inventors: Dong-Hoon BAEK, Jae-Yoon SIM, Dong-Myung LEE, Jae-Youl LEE
  • Publication number: 20150154943
    Abstract: A timing controller, a source driver, and a display driver integrated circuit (DDI) having improved test efficiency and a method of operating the DDI are provided. The timing controller includes a code generation unit for generating a first code from display data, a protocol encoder for generating a data sequence including the display data and the first code, and a transmission unit for providing the data sequence to a source driver through a link.
    Type: Application
    Filed: August 8, 2014
    Publication date: June 4, 2015
    Inventors: DONG-MYUNG LEE, YOUNG-MIN CHOI, JAE-YOUL LEE, HAN-SU PAE, DONG-HOON BAEK, YOUNG-HUN LEE, KIL-HOON LEE