Patents by Inventor Seung Kyu Lee

Seung Kyu 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: 20230068220
    Abstract: A display device includes a display unit including a plurality of pixels coupled to a plurality of data lines, a plurality of scan lines, and a plurality of emission control lines, a controller for determining a width of a gate-off section of an emission control signal, which corresponds to a non-emission section of each of a plurality of frames belonging to a dimming period, in response to a dimming signal, and an emission driver for supplying the emission control signal in units of a plurality of consecutive pixel rows through the plurality of emission control lines.
    Type: Application
    Filed: November 10, 2022
    Publication date: March 2, 2023
    Inventors: SI BEAK PYO, SEUNG KYU LEE, MIN SEONG SON
  • Publication number: 20230049847
    Abstract: The present disclosure relates to a capacitive touch-type power seat switch using a receptacle, mounted on a seat of a vehicle and configured to control a position of the seat and a function thereof, the power seat switch comprising: a knob configured to be moved upwards, downwards, leftwards, and rightwards by operation of a user; an operation transmission unit configured to transmit an operation direction of the knob when the knob is moved upwards, downwards, leftwards, and rightwards, and to implement a function of the power seat switch in response to an operation signal according to the transmitted operation direction; a receptacle installed in a PCB provided in the operation transmission unit; a sensor electrode electrically connected to the receptacle and configured to detect variation in capacitance; and a sensor circuit part electrically connected to the sensor electrode.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 16, 2023
    Inventors: Hyun Seok SONG, Beom Sun KIM, Tae Hyoung YANG, Seung Kyu LEE, Byeong Wook KIM
  • Publication number: 20230044290
    Abstract: A display device including a display area and a non-display area, an inorganic insulating layer disposed on a substrate, the inorganic insulating layer disposed in the display area and the non-display area, pixels disposed on the substrate and overlapping the inorganic insulating layer in a plan view, the pixels disposed in the display area, and an organic insulating layer disposed on the substrate and overlapping the inorganic insulating layer and the pixels in a plan view, the organic insulating layer disposed at least in the display area. The non-display area includes an organic layer-free area including at least one of a corner and an outer edge area of the display device. The organic insulating layer is disposed on a portion of the substrate so as to be disposed in an area except for the organic layer-free area.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 9, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyung June KIM, Sang Seop KUM, Won Tae KIM, Seung Kyu LEE, Eun Je JANG, Jang Bog JU
  • Publication number: 20230030535
    Abstract: A display device comprises sub-pixels, a bank disposed on a substrate and disposed at a boundary between the sub-pixels, a wavelength control layer including wavelength conversion layers disposed in a region surrounded by the bank and a light transmitting layer disposed in the sub-pixels, a color filter layer disposed on the wavelength control layer, and light emitting element layers disposed between the substrate and the wavelength control layer, the light emitting layers including a light emitting element disposed in one of the sub-pixels, and connection electrodes connected to ends of the light emitting element.
    Type: Application
    Filed: June 10, 2022
    Publication date: February 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Kyu LEE, Won Tae KIM, Hoon KIM, Yong Sik HWANG
  • Patent number: 11568818
    Abstract: A display device is provided. The display device may include a substrate, a plurality of pixels, a first data line, a second data line, a defect sensing line, a first input pad, and a static electricity discharge element. The substrate may include a display area and a peripheral area neighboring each other. The plurality of pixels may be positioned on the display area and may include a first pixel and a second pixel. The first data line may be electrically connected to the first pixel. The second data line may be electrically connected to the second pixel and may be electrically isolated from the first data line. The defect sensing line may be positioned on the peripheral area. The first input pad may be electrically connected to the defect sensing line. The static electricity discharge element may be electrically connected through the defect sensing line to the first input pad.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: January 31, 2023
    Inventors: Kwang-Min Kim, Seung-Kyu Lee, Won Kyu Kwak
  • Publication number: 20230005431
    Abstract: A display device includes a display panel including a pixel connected to scan lines and a data line, a scan driving circuit, a data driving circuit, and a driving controller that controls the scan driving circuit and the data driving circuit. The pixel includes a light-emitting diode and an initialization transistor connected between a first initialization voltage line and a first electrode of the light-emitting diode and including a gate electrode connected to a first scan line among the scan lines. A first scan signal provided to the first scan line during a blank period has an active level during a predetermined initialization time duration, and the predetermined initialization time duration is set to a time duration corresponding to a luminance characteristic of the display panel.
    Type: Application
    Filed: July 5, 2022
    Publication date: January 5, 2023
    Inventors: YOUNWOO CHOE, SEUNG-KYU LEE, MINSEONG SON, SEMIN JEONG
  • Patent number: 11545073
    Abstract: A display device includes a display unit including a plurality of pixels coupled to a plurality of data lines, a plurality of scan lines, and a plurality of emission control lines, a controller for determining a width of a gate-off section of an emission control signal, which corresponds to a non-emission section of each of a plurality of frames belonging to a dimming period, in response to a dimming signal, and an emission driver for supplying the emission control signal in units of a plurality of consecutive pixel rows through the plurality of emission control lines.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Si Beak Pyo, Seung Kyu Lee, Min Seong Son
  • Patent number: 11543709
    Abstract: A display substrate including a base substrate having a display area and a non-display area around the display area, a plurality of gate lines disposed in the display area and extending in a first direction, a plurality of data lines disposed in the display area, insulated from the gate lines, and extending in a second direction crossing the first direction, and a plurality of data line extension portions extending from the data lines to the non-display area, in which each of the data line extension portions includes a first portion and a second portion disposed at a higher position than the first portion.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: January 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Kyu Lee, Hyunseong Kang, Suin Kim, Byeongjae Ahn, Gijung Lee, Byeonghoon Cho
  • Publication number: 20220384400
    Abstract: A mother panel for a display panel includes: a mother substrate including a display panel area and a dummy area surrounding the display panel area, the mother substrate having a cutting line defined thereon, wherein the cutting line is configured to be irradiated by a laser along a boundary between the display panel area and the dummy area; and a first heat dissipation pattern on the mother substrate, extending from the display panel area to the dummy area to overlap the cutting line, and including a first rod portion including a plurality of lower rods spaced apart from each other and a first body portion in the dummy area and contacting the first rod portion.
    Type: Application
    Filed: April 27, 2022
    Publication date: December 1, 2022
    Inventors: SEUNG-KYU LEE, WONTAE KIM, HYUNGJUNE KIM
  • Patent number: 11501694
    Abstract: A display device includes: a plurality of pixels to receive data voltages based on converted grayscales; and a grayscale converter to: calculate first compensation offsets based on positions of the pixels and input grayscales for the pixels; convert the first compensation offsets into second compensation offsets according to a maximum luminance weight based on an input maximum luminance; and calculate the converted grayscales by applying the second compensation offsets to the input grayscales.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: November 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si Beak Pyo, Seung Kyu Lee, Young Uk Hwang
  • Publication number: 20220358898
    Abstract: The present disclosure relates to a display device including first pixels disposed in a first pixel area, and connected to first scan lines; second pixels disposed in a second pixel area, and connected to second scan lines; a timing controller configured to supply a first clock signal and a second clock signal to a first clock line and a second clock line, respectively; a first scan driver configured to receive the first clock signal through the first clock line, and to supply a first scan signal to the first scan lines; and a second scan driver configured to receive the second clock signal through the second clock line, and to supply a second scan signal to the second scan lines, wherein the second pixel area has a smaller width than the first pixel area.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 10, 2022
    Inventors: Jin Tae JEONG, Tae Hoon KWON, Min Ku LEE, Ji Hyun KA, Seung Kyu LEE, Seung Ji CHA
  • Publication number: 20220358884
    Abstract: A display device includes a display panel including pixels coupled to a first scan line and a data line, a power supply to supply voltages, a scan driver to provide a first scan signal to the first scan line a plurality of times for a first frame period (FFP), a data driver to supply a data signal to the data line, and a timing controller to control driving of components. The FFP includes: a first active period (FAP), in which the data signal is supplied; and a first blank period (FBP), in which the data signal is not supplied. The power supply provides on-bias power having a first voltage level (FVL) in the FAP, and provides on-bias power having a second voltage level (SVL) in the FBP. The FBP following the FAP includes a first dimming period in which the on-bias power gradually changes from the FVL to the SVL.
    Type: Application
    Filed: May 3, 2022
    Publication date: November 10, 2022
    Inventors: Se Byung CHAE, Seung Kyu LEE
  • Patent number: 11476319
    Abstract: A display device includes a substrate having a pixel area with at least a first rounded corner portion and first to third non-pixel areas arranged sequentially along an outer circumference of the pixel area. An internal circuit in the first non-pixel area has a first end portion adjacent to the first rounded corner portion of the pixel area. The first end portion of the internal circuit is rounded in accordance with the first rounded corner portion. A plurality of routing wires are in the third non-pixel area below the pixel area. The routing wires extending to the pixel area via the second non-pixel area and the first non-pixel area. The routing wires include at least a first routing wire connected to the pixel area passing an area of the first end portion of the internal circuit.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: October 18, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Kyu Lee, Yang Wan Kim, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Su Jin Lee, Jae Yong Lee, Tae Hoon Kwon, Seung Ji Cha
  • Patent number: 11462152
    Abstract: A display device includes: a pixel including a first transistor connected between a first node and a second node to generate a driving current; an emission driver supplying an emission control signal; a scan driver supplying first to fourth scan signals in a period in which the emission control signal is supplied; a data drive supplying a data signal; a power supply supplying a voltage of a first power source; and a timing controller controlling driving of the scan driver, the emission driver, the data driver, and the power supply The first scan signal controls a timing at which the voltage of the first power source is supplied to the first node or the second node. The power supply changes a level of the voltage of the first power source in one frame period.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: October 4, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yun Seong Kim, Seung Kyu Lee, Sun Joon Hwang, Min Seong Son, Youn Woo Choe
  • Patent number: 11462167
    Abstract: A display device and a method of driving the same. The display device may include: a first pixel area including first pixels and first data lines coupled to the first pixels; a second pixel area including second pixels and second data lines coupled to the second pixels; a first non-pixel area disposed on one side of the first pixel area such that the first non-pixel area borders the first and second pixel areas; a data driver configured to output data signals corresponding to the first and second pixels through first and second output lines, respectively; and a switch unit including a first switch unit having a demux configured to alternately couple each of the first output lines to corresponding first data lines, and a second switch unit configured to couple the second output lines to the respective different second data lines.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: October 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hun Yi, Seung Kyu Lee, Ki Wook Kim, Yang Wan Kim
  • Publication number: 20220293670
    Abstract: A display device includes a first substrate including a first contact hole, a pad part disposed on the first substrate, the pad part overlapping the first contact hole, a second substrate disposed on the pad part and the first substrate, a display layer disposed on the second substrate, a flexible film disposed on a bottom surface of the first substrate, and a connecting film inserted in the first contact hole, the connecting film electrically connecting the pad part and the flexible film. An upper width of the first contact hole is greater than a lower width of the first contact hole.
    Type: Application
    Filed: December 9, 2021
    Publication date: September 15, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Kyu LEE, Chang Hyeok CHOI, Yong Sik HWANG
  • Patent number: 11443687
    Abstract: A display device includes a pixel including a first transistor coupled between a first node and a second node, an emission driver supplying an emission control signal at a first frequency to an emission control line, a scan driver supplying first to fourth scan signals respectively to first to fourth scan lines, a data driver supplying a data signal to a data line, and a timing controller. The first scan signal controls a timing at which a voltage of a first power source is supplied to the first node or the second node, and the second scan signal controls a timing at which a first electrode of the first transistor and a gate electrode of the first transistor are coupled to each other. The scan driver controls a bias state of the first transistor by supplying, plural times, the first and second scan signals in a non-emission period.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: September 13, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min Seong Son, Seung Kyu Lee, Sun Joon Hwang, Yun Seong Kim, Youn Woo Choe
  • Patent number: 11440439
    Abstract: A method of controlling a vehicle seat according to an example of the present disclosure includes analyzing, by a controller, input information transmitted through each switch mounted in a vehicle and classifying the input information according to an input pattern; detecting, by the controller, in which angle range among the plurality of angle ranges belongs the current angle of the seat by analyzing rotation angle information transmitted through the angle detecting sensor of the corresponding seat; controlling, by the controller, an operation of the corresponding seat by using the information of the detected angle range and the input information; and determining, by the controller, whether the operation to the corresponding seat is correct or not.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: September 13, 2022
    Assignee: HYUNDAI TRANSYS INC.
    Inventors: Jin Woo Lee, Seung Kyu Lee
  • Publication number: 20220284859
    Abstract: A display device is provided. The display device may include a substrate, a plurality of pixels, a first data line, a second data line, a defect sensing line, a first input pad, and a static electricity discharge element. The substrate may include a display area and a peripheral area neighboring each other. The plurality of pixels may be positioned on the display area and may include a first pixel and a second pixel. The first data line may be electrically connected to the first pixel. The second data line may be electrically connected to the second pixel and may be electrically isolated from the first data line. The defect sensing line may be positioned on the peripheral area. The first input pad may be electrically connected to the defect sensing line. The static electricity discharge element may be electrically connected through the defect sensing line to the first input pad.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 8, 2022
    Inventors: Kwang-Min KIM, Seung-Kyu LEE, Won Kyu KWAK
  • Publication number: 20220254286
    Abstract: A display device includes a substrate includes a display area having a plurality of pixels, a pad area including a plurality of input pads, and a circuit area positioned between the pad area and the display area; a crack sensor having a first end and a second end, the first end being connected to a first input pad of the plurality of input pads; a first shorting element extending through the pad area, the first shorting element being connected to the second end and extending to an edge of the substrate; a plurality of data lines connected to the plurality of pixels; and a crack sensing circuit including a first switching element having an input terminal connected to the first end and an output terminal connected to a first data line of the plurality of data lines, and a second switching element having an input terminal connected to the second end and an output terminal connected to a second data line of the plurality of data lines.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 11, 2022
    Inventors: Kwang-Min KIM, Won Kyun KWAK, Seung-Kyu LEE