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: 10788977
    Abstract: A method and system for displaying information on a transparent display device includes receiving a touch input for selecting an object displayed on a screen of an external device that is viewable through a screen of the transparent display device, requesting the external device for information related to the object, receiving the information related to the object from the external device, and displaying the received information on the screen of the transparent display device.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: September 29, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-soo Lee, Kyung-a Kang
  • Publication number: 20200299946
    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: Application
    Filed: July 25, 2018
    Publication date: September 24, 2020
    Applicant: 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: 20200266264
    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: August 15, 2019
    Publication date: August 20, 2020
    Inventors: Hyungjun KIM, Doh Won JUNG, Chan KWAK, Ki Hong KIM, Daejin YANG, Chang Soo LEE
  • Patent number: 10741113
    Abstract: A display device includes a display panel including a plurality of pixels, a gate driving circuit outputting a plurality of gate signals to the pixels, and a detection circuit receiving a first gate signal and a second gate signal among the gate signals, comparing a first voltage difference between a first high voltage of the first gate signal and a reference voltage with a second voltage difference between a second high voltage of the second gate signal and the reference voltage to obtained a compared result, and determining whether the first and second gate signals are normal signals based on the compared result.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: August 11, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Chang-soo Lee
  • Patent number: 10732729
    Abstract: A transparent display apparatus and method for displaying information thereon includes sensing a position of an object, sensing a position of a user, determining an area of the transparent display through which the object is viewable by the user, and displaying the information on the transparent display based on the area.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il-kook Yun, Geun-ho Lee, Chang-soo Lee
  • Publication number: 20200234653
    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: Application
    Filed: September 12, 2019
    Publication date: July 23, 2020
    Inventor: Chang-Soo LEE
  • Patent number: 10720090
    Abstract: A display apparatus includes a display panel including a display area and a non-display area, in which an image is displayed in the display area and a peripheral area is disposed adjacent to the display area in the non-display area. The display panel includes a plurality of gate lines extending in a first direction, a plurality of data lines extending a second direction which crosses the first direction, and a plurality of unit pixels which are electrically connected to each of the gate lines and the data lines. A gate driver generates a clock signal, and a gate signal generator receives the clock signal and outputs a generated gate signal to the gate line. A clock line transmits the clock signal to the gate signal generator, and a flexible film disposed adjacent to the gate signal generator in the first direction is connected to the display panel in the peripheral area. At least a portion of the clock line is formed on the flexible film.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: July 21, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Soo Lee, Byoungsun Na
  • Patent number: 10713991
    Abstract: A display device includes a display panel, a voltage generator configured to generate a gate driving voltage, a timing controller configured to generate a clock control signal, a gate controller configured to generate gate clock signals, a gate driver configured to generate a gate signal, an over current protection circuit configured to generate a gate clock current corresponding to the gate clock signals and output a shutdown control signal, and an abnormal signal detector configured to determine whether the clock control signal is abnormal based on a difference of a set reference signal and the clock control signal, and output a delay control signal that delays an output timing of the shutdown control signal from the over current protection circuit for a set time when the clock control signal is abnormal.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: July 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Chang-Soo Lee
  • Publication number: 20200219325
    Abstract: A method of providing information about a predetermined external vehicle on a transparent display of an information providing vehicle, the method including: acquiring status information of the external vehicle; determining a display mode for displaying an object corresponding to the external vehicle based on the acquired status information; and displaying the object corresponding to the external vehicle on the transparent display in the determined display mode, wherein the display mode may include an augmented reality mode displaying an image obtained by overlaying a virtual image on an actual image of the external vehicle that is observed through the transparent display, and a map mode displaying the object corresponding to the external vehicle after mapping the object to a map.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 9, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon-kyu SEO, Kyung-a KANG, Chang-soo LEE
  • Patent number: 10670931
    Abstract: A display device includes: a first substrate having a top surface and a first side surface extending from the top surface; a second substrate facing the first substrate and having a second side surface aligned with the first side surface; substrate signal pads disposed on the first side surface; substrate dummy pads disposed on the second side surface; a circuit film facing the first and second side surfaces; circuit dummy pads disposed on the circuit film and electrically connected to the substrate dummy pads; and circuit signal pads disposed on the circuit film and electrically connected to the substrate signal pads.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: June 2, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Chang Soo Lee
  • Publication number: 20200111520
    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: Application
    Filed: February 6, 2019
    Publication date: April 9, 2020
    Inventors: Chan Min Park, Dae Sun Kim, In Cheol Nam, Chang Soo Lee, Jin Seok Jeong
  • Publication number: 20200073443
    Abstract: A flexible display apparatus is provided. The flexible display apparatus includes a display, a sensor which senses shape deformation of the display, a storage which, if a shape deformation is sensed, stores operation state information of a first operation state of the flexible display apparatus prior to the first shape deformation being performed, and a controller which performs a function corresponding to the first shape deformation if a second shape deformation different from the first shape deformation is sensed, returns to the first operation state according to the operation state information stored in the storage.
    Type: Application
    Filed: November 6, 2019
    Publication date: March 5, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon-kyu SEO, Hyun-jin KIM, Nipun KUMAR, Yong-yeon LEE, Chang-soo LEE
  • Publication number: 20200020265
    Abstract: A display device includes a display panel, a voltage generator configured to generate a gate driving voltage, a timing controller configured to generate a clock control signal, a gate controller configured to generate gate clock signals, a gate driver configured to generate a gate signal, an over current protection circuit configured to generate a gate clock current corresponding to the gate clock signals and output a shutdown control signal, and an abnormal signal detector configured to determine whether the clock control signal is abnormal based on a difference of a set reference signal and the clock control signal, and output a delay control signal that delays an output timing of the shutdown control signal from the over current protection circuit for a set time when the clock control signal is abnormal.
    Type: Application
    Filed: May 3, 2019
    Publication date: January 16, 2020
    Inventor: Chang-Soo LEE
  • Patent number: 10514727
    Abstract: A flexible display apparatus is provided. The flexible display apparatus includes a display, a sensor which senses shape deformation of the display, a storage which, if a shape deformation is sensed, stores operation state information of a first operation state of the flexible display apparatus prior to the first shape deformation being performed, and a controller which performs a function corresponding to the first shape deformation if a second shape deformation different from the first shape deformation is sensed, returns to the first operation state according to the operation state information stored in the storage.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: December 24, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon-kyu Seo, Hyun-jin Kim, Nipun Kumar, Yong-yeon Lee, Chang-soo Lee
  • Publication number: 20190374940
    Abstract: The present disclosure relates to a method of accelerating a flow velocity in a lateral-flow microfluidic chip in which an analysis time is not delayed while sequential reactions are possible in the lateral-flow microfluidic chip by accelerating a flow velocity in at least a section of a channel, it is easy to manufacture the microfluidic chip for applying the method, and it is possible to mass-produce the microfluidic chip, and more particularly, by increasing a vapor pressure around a specific channel, a flow velocity of a fluid in the corresponding channel is accelerated.
    Type: Application
    Filed: December 20, 2018
    Publication date: December 12, 2019
    Applicants: The Industry & Academic Cooperation in Chungnam National University (IAC), ISIN TECHNOLOGY CO., LTD.
    Inventors: Chang Soo LEE, Seong Geun JEONG, Jin Hyeon LEE, Na Mi SONG, Chang Hwan YANG
  • Publication number: 20190371994
    Abstract: A thermoelectric material including a thermoelectric element including thermoelectric inorganic material represented by Chemical Formula 1; and a conduction path in contact with a surface of the thermoelectric element, wherein the conduction path is formed of a conductive material having electrical conductivity of greater than or equal to about 1,000 Siemens per centimeter BixSb(2-x)Te(3-y-z)SeySz?? Chemical Formula 1 wherein 0<x?2, 0?y?3, 0?z?3, and 0?y+z?3.
    Type: Application
    Filed: May 31, 2019
    Publication date: December 5, 2019
    Inventors: Se Yun KIM, Jinhong KIM, Hyun Sik KIM, Chang Soo LEE
  • Publication number: 20190366233
    Abstract: A method of processing an aqueous solution, wherein the aqueous solution comprises one or more dissolved sugar, one or more dissolved sugar alcohol, or a mixture thereof, wherein the method comprises bringing the aqueous solution into contact with a collection of resin beads, wherein the resin beads comprise functional groups of structure (S1).
    Type: Application
    Filed: December 30, 2016
    Publication date: December 5, 2019
    Inventors: Chang-Soo LEE, Collin H. MARTIN, Daryl J. GISCH, Christopher R. EICHER
  • Publication number: 20190340964
    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: Application
    Filed: July 15, 2019
    Publication date: November 7, 2019
    Inventors: Giang-yoon KWON, So-young PARK, Seung-woo SHIN, Tae-won EOM, Chang-soo LEE
  • Patent number: 10453867
    Abstract: A display apparatus includes a first clock line providing a first clock signal and a second clock line providing a second clock signal. The first clock line includes a first main clock line and a first dummy clock line extending from the first main clock line, the second clock line includes a second main clock line and a second dummy clock line extending from the second main clock line, and the first dummy clock line and the second dummy clock line have different areas from each other.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: October 22, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Chang-soo Lee
  • Patent number: RE47907
    Abstract: A liquid crystal display includes a plurality of pixels arranged in a matrix, each pixel having a first sub-pixel electrode and a second sub-pixel electrode. A first thin film transistor is connected to the first sub-pixel electrode. A second thin film transistor is connected to the second sub-pixel electrode. A third thin film transistor is connected to the second sub-pixel electrode. A fourth thin film transistor is connected to a drain electrode of the third thin film transistor. A first gate line is connected to the first thin film transistor and the second thin film transistor. A data line is connected to the first thin film transistor and the second thin film transistor. A second gate line is connected to the third thin film transistor. A third gate line is connected to the fourth thin film transistor.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: March 17, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Soo Lee, Kee-Bum Park, Yun Jae Park, Jong Jae Lee, Hoi Sik Moon