Patents by Inventor Chang-soo Lee

Chang-soo 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: 11065599
    Abstract: Provided is a resin bead comprising functional groups of structure (S1).
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: July 20, 2021
    Assignees: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC, DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLC
    Inventors: Chang-Soo Lee, Collin H. Martin, Daryl J. Gisch, Christopher R. Eicher
  • Patent number: 11060272
    Abstract: Provided is a urine-feces separation toilet bowl including a urine and feces separator configured to separate urine and feces and use them to generate renewable energy. The urine-feces separation toilet bowl includes: a main body portion configured to accommodate excreta; a cover portion having a plate shape, having a first surface and a second surface, and provided on the main body portion, the first surface being arranged towards the inside of the main body portion; a toilet seat portion between the main body portion and the cover portion; an excreta accommodation portion including a first accommodation portion configured to accommodate urine and a second accommodation portion configured to accommodate feces; and an excreta separator between the first accommodation portion and the second accommodation portion and configured to separate the first accommodation portion and the second accommodation portion.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: July 13, 2021
    Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Hyun Kyung Lee, Jae Weon Cho, Chang Soo Lee, Ja Ai Kim, Mi Jin Choi, Jeong Hyeon Bae
  • Publication number: 20210181147
    Abstract: The present invention relates to a graphene transistor comprising: a substrate; a graphene channel layer arranged on the substrate; a pair of metals spaced from each other and respectively arranged at opposite ends of the graphene channel layer; and a linker layer arranged on the graphene channel layer and including an N-heterocyclic carbene compound, a fabrication method therefor, and a biosensor comprising the same. The graphene transistor according to the present invention in which the carbene group of the N-heterocyclic carbene compound forms a covalent bond with the graphene channel layer to modify the whole surface of the graphene channel layer exhibits excellent electric conductivity as a transistor and a biosensor comprising the transistor is improved in selectivity and sensitivity.
    Type: Application
    Filed: October 29, 2018
    Publication date: June 17, 2021
    Inventors: Oh Seok KWON, Chang Soo LEE, Seon Joo PARK, Tai Hwan HA, Chul Soon PARK, Kyung Ho KIM, Jin Yeong KIM
  • Publication number: 20210164677
    Abstract: The present disclosure relates to a system that obtains at least one of a recommended temperature and an operation mode to be set on an air conditioner by applying a position of a user and an ambient temperature of the air conditioner to a learning model trained by using an artificial intelligence algorithm, and sets at least one of the obtained recommended temperature and the obtained operation mode on the air conditioner. In this case, the learning model may be, for example, a model generated by using at least one of machine learning, a neural network, or a deep learning algorithm as the artificial intelligence algorithm.
    Type: Application
    Filed: April 24, 2018
    Publication date: June 3, 2021
    Inventors: Sang-kyung LEE, Jae-hong KIM, Hee-jin SUH, Chang-soo LEE, Bo-kun CHOI
  • Publication number: 20210168427
    Abstract: Disclosed are a main image processing apparatus, a sub image processing apparatus and a control method thereof. The control method of the sub image processing apparatus includes receiving a user's touch input through the sub image processing apparatus; determining which contents correspond to a touched area where the touch input occurs; sensing change in location of the touch input; and transmitting a control command for the contents to the main image processing apparatus in response to the sensed change in the location of the touch input. With this, it is more convenient for a user to control the main image processing apparatus through the sub image processing apparatus supporting the touch input.
    Type: Application
    Filed: February 12, 2021
    Publication date: June 3, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-soo LEE, Yong-hwan KWON, Joon-hwan KIM, Heui-jin KWON, Jeong-yeon LEE, Victor SZILAGYI
  • Publication number: 20210134941
    Abstract: A stacked structure including: a single crystal substrate and, single crystal material on the single crystal substrate, wherein the single crystal material has a same crystallographic orientation as a crystallographic orientation of the single crystal substrate. Also a method of forming the stacked structure, a ceramic electronic component, and a device.
    Type: Application
    Filed: January 14, 2021
    Publication date: May 6, 2021
    Inventors: Hyungjun KIM, Doh Won JUNG, Chan KWAK, Ki Hong KIM, Daejin YANG, Chang Soo LEE
  • Publication number: 20210118386
    Abstract: A display device includes: a switching element connected to a gate line and a data line; a liquid crystal capacitor including a pixel electrode that is connected to the switching element and a common electrode to which a common voltage is applied; and a storage capacitor including a first electrode that is connected to the switching element and a second electrode to which a storage voltage is applied. The display device is operable at a variable frame frequency between a maximum frame frequency and a minimum frame frequency. Capacitance of the storage capacitor is set according to a difference between the maximum frame frequency and the minimum frame frequency, and the storage voltage is greater than the common voltage by more than a predetermined level.
    Type: Application
    Filed: April 28, 2020
    Publication date: April 22, 2021
    Inventors: Sang Yong NO, Chang-Soo LEE
  • Publication number: 20210104191
    Abstract: A display device includes a display panel including a plurality of gate lines having a desired gate delay time, and a plurality of pixel rows, each of the plurality of pixel rows coupled to a corresponding one of the plurality of gate lines, a gate driver configured to sequentially provide a plurality of gate signals to the plurality of gate lines, a data driver configured to provide data signals to each of the plurality of pixel rows, and a controller configured to control the gate driver to sequentially output the plurality of gate signals and to control the data driver to output the data signals that are delayed by the desired gate delay time of the plurality of gate lines.
    Type: Application
    Filed: April 13, 2020
    Publication date: April 8, 2021
    Inventor: Chang-Soo LEE
  • Patent number: 10965980
    Abstract: Disclosed are a main image processing apparatus, a sub image processing apparatus and a control method thereof. The control method of the sub image processing apparatus includes receiving a user's touch input through the sub image processing apparatus; determining which contents correspond to a touched area where the touch input occurs; sensing change in location of the touch input; and transmitting a control command for the contents to the main image processing apparatus in response to the sensed change in the location of the touch input. With this, it is more convenient for a user to control the main image processing apparatus through the sub image processing apparatus supporting the touch input.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-soo Lee, Yong-hwan Kwon, Joon-hwan Kim, Heui-jin Kwon, Jeong-yeon Lee, Victor Szilagyi
  • Publication number: 20210082369
    Abstract: A display device includes a voltage generation circuit that generates a plurality of clock signals and a first driving voltage, a second driving voltage, and a third driving voltage. A gate driving circuit receives the generated clock signals and the first driving voltage, the second driving voltage, and the third driving voltage, and includes a plurality of driving stages each of which outputs a carry signal and a gate signal to a corresponding gate line among gate lines. The voltage generation circuit sets a voltage level of the third driving voltage based on a signal of a first node of at least one of the driving stages.
    Type: Application
    Filed: November 17, 2020
    Publication date: March 18, 2021
    Inventor: Chang-soo LEE
  • Patent number: 10937857
    Abstract: A stacked structure including: a single crystal substrate and, single crystal material on the single crystal substrate, wherein the single crystal material has a same crystallographic orientation as a crystallographic orientation of the single crystal substrate. Also a method of forming the stacked structure, a ceramic electronic component, and a device.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: March 2, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyungjun Kim, Doh Won Jung, Chan Kwak, Ki Hong Kim, Daejin Yang, Chang Soo Lee
  • Patent number: 10937346
    Abstract: A flexible display apparatus is provided. The flexible display apparatus includes a display unit, a sensor configured to sense a bending of the flexible display apparatus, and a controller configured to display first contents on a first screen of the display unit, and to reconfigure and display the first contents on a second screen generated on an area of the display unit based on the bending.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: March 2, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Giang-yoon Kwon, So-young Park, Seung-woo Shin, Tae-won Eom, Chang-soo Lee
  • Patent number: 10916205
    Abstract: A display device includes a display unit which includes pixels and gate lines and data lines connected to the pixels, a data driver connected to the data lines, and a signal controller which outputs a first frequency data control signal to the data driver at a predetermined frame frequency and outputs a second frequency data control signal to the data driver in synchronization with a vertical synchronization signal received from a graphics processing unit, wherein the data driver outputs a first data voltage to the data lines in accordance with the first frequency data control signal, and stops the output of the first data voltage and outputs a second data voltage to the data lines when the second frequency data control signal is inputted while outputting the first data voltage to the data lines.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Chang-Soo Lee
  • Publication number: 20210036109
    Abstract: A semiconductor device includes a source structure, a bit line, a stacked structure between the source structure and the bit line, a source contact structure penetrating the stacked structure and electrically coupled to the source structure, and a protective pattern interposed between the source contact structure and the source structure and having a varying thickness depending on an area of the protective pattern.
    Type: Application
    Filed: February 14, 2020
    Publication date: February 4, 2021
    Applicant: SK hynix Inc.
    Inventors: Hee Soo KIM, Young Ho YANG, Chang Soo LEE, Wan Sup SHIN
  • Publication number: 20210026413
    Abstract: A flexible display device is provided. The flexible display device includes: a display; a sensor configured to detect at least one rolling characteristic in response to the display being rolled; and a controller configured to perform a first function of the flexible display device based on the detected at least one rolling characteristic.
    Type: Application
    Filed: October 9, 2020
    Publication date: January 28, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yeon Kwak, Kyung-a Kang, Hyun-jin Kim, Nipun Kumar, Chang-soo Lee
  • Patent number: 10902812
    Abstract: A display apparatus includes a display panel displaying an image and including a gate line and a data line, a gate driver outputting a gate signal to the gate line, a data driver outputting a data signal to the data line, a timing controller outputting a vertical start signal and a gate clock, and a gate clock signal compensator generating an inner clock signal based on the vertical start signal, selecting one of the gate clock signal and the inner clock signal based on a comparison result of a time difference between the gate clock signal and the inner clock signal and a reference time which corresponds to tolerance of jitter of the gate clock signal, increasing a level of the selected clock signal, and outputting the increased clock signal to the gate driver, where the gate driver generates the gate signal based on the increased clock signal.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Chang-Soo Lee
  • Patent number: 10861410
    Abstract: A display device includes a voltage generation circuit that generates a plurality of clock signals and a first driving voltage, a second driving voltage, and a third driving voltage. A gate driving circuit receives the generated clock signals and the first driving voltage, the second driving voltage, and the third driving voltage, and includes a plurality of driving stages each of which outputs a carry signal and a gate signal to a corresponding gate line among gate lines. The voltage generation circuit sets a voltage level of the third driving voltage based on a signal of a first node of at least one of the driving stages.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Chang-soo Lee
  • Patent number: 10811002
    Abstract: An electronic device and a method for controlling the electronic device are disclosed. The electronic device includes a memory and a processor electrically connected with the memory. The memory stores instructions to be executed by the processor. The processor is configured to obtain a user voice, determine a response level of the user voice, when the response level of the user voice is a first response level, perform an operation corresponding to the user voice based on a time point of obtaining the user voice, and when the response level of the user voice is a second response level, perform the operation corresponding to the user voice based on a time point of detecting an additional event.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: October 20, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chi-Hyun Cho, Dong-Il Son, Kyung-Tae Kim, Ji-Min Lee, Chang-Ryong Heo, Jae-Bong Chun, Gyu-Cheol Choi, Chang-Taek Kang, Chang-Soo Lee
  • Patent number: 10811079
    Abstract: A semiconductor memory apparatus includes a memory cell unit and an internal voltage stabilization apparatus. The memory cell unit includes a row decoder, a column decoder, and a memory cell array. The internal voltage stabilization apparatus includes an operation termination determination unit configured to determine whether an operation of the semiconductor memory apparatus is terminated on the basis of an external input voltage and output an operation termination command, a termination voltage generation unit configured to generate a termination voltage having a preset voltage value on the basis of a determination result of operation termination by the operation termination determination unit, and a switch unit. The switch unit includes a plurality of switches that are turned in response to the operation termination command, and supplies the termination voltage, input from the termination voltage generation unit, to a plurality of internal nodes of the memory cell array.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: October 20, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan Min Park, Dae Sun Kim, In Cheol Nam, Chang Soo Lee, Jin Seok Jeong
  • Patent number: 10802544
    Abstract: A flexible display device is provided. The flexible display device includes: a display; a sensor configured to detect at least one rolling characteristic in response to the display being rolled; and a controller configured to perform a first function of the flexible display device based on the detected at least one rolling characteristic.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: October 13, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yeon Kwak, Kyung-a Kang, Hyun-jin Kim, Nipun Kumar, Chang-soo Lee