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: 20250139944
    Abstract: A knowledge distillation method for compressing an image segmentation model that is performed in a computing device including one or more processors and a memory storing one or more programs executed by the one or more processors includes training a first image segmentation model including a first image encoder, a first image embedding layer, and a first mask decoder, constructing a second image segmentation model including a second image encoder, a second image embedding layer, and a second mask decoder according to preset constraints, and performing knowledge distillation for the second image embedding layer of the second image segmentation model based on the trained first image segmentation model.
    Type: Application
    Filed: March 21, 2024
    Publication date: May 1, 2025
    Inventors: CHOONG SEON HONG, CHAONING ZHANG, DONG SHEN HAN, SEUNG KYU LEE, SUNG HO BAE, JUNG UK KIM, YU QIAO
  • Patent number: 12288772
    Abstract: A tiled display device includes a first display device and a second display device, each of the first display and the second display including a display area and a non-display area. The first display device and the second display device are bonded to each other. The first display device includes an alignment key area and a lower electrode layer. The alignment key area performs an alignment key function when a process is performed on the tiled display device. The lower electrode layer includes a first lower electrode layer and a second lower electrode layer. The first lower electrode layer surrounds the display area of the first display device and the second lower electrode layer is disposed in the alignment key area.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: April 29, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Seop Kum, Beom Jun Kim, Seung Kyu Lee
  • Patent number: 12269965
    Abstract: A resin composition according to an exemplary embodiment of the present disclosure includes a first polyol represented by Chemical Formula 1, a second polyol represented by Chemical Formula 2, and a polyisocyanate, wherein the first polyol and the second polyol have a linear structure without a side chain. each of Y1 to Y4 is H or OH—, at least one of Y1 and Y2 is OH—, at least one of Y3 and Y4 is OH—, each of X1 to X3 is independently a C1-C20 alkyl group, the alkyl group includes or does not include an unsaturated bond, —CH2— in the alkyl group may be substituted or unsubstituted with —CHOH—, and each of n and m is independently 1 to 200.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: April 8, 2025
    Assignees: Samsung Display Co., Ltd., Samhwa Paints Industries Co., Ltd.
    Inventors: Sung Kim, Hyun Sook Kim, Sung-Chan Jo, Kyung Lae Rho, Soo Im Jeong, Seung Kyu Lee, Jang Hwan Jeong, Jae Ho Choi, Soon Jong Kim, Seong Gea Kim, Jae Duck Jung, Dong Hyeok Oh, Kyoung Seok Cho
  • Patent number: 12254835
    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: December 19, 2023
    Date of Patent: March 18, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang-Min Kim, Seung-Kyu Lee, Won Kyu Kwak
  • Patent number: 12223911
    Abstract: A pixel includes an organic light emitting diode (OLED), a pixel circuit, and first and second transistors. The OLD includes a cathode electrode connected to a second power source. The pixel circuit includes a driving transistor having a gate electrode initialized by a third power source. The driving transistor controls the amount of current flowing from a first power source to the second power source via the OLED. The first transistor is connected between a fourth power source and the second power source and an anode electrode of the OLED. The first transistor is turned on based on a scan signal is supplied to a scan line. The second transistor is connected between a data line and the pixel circuit. The second transistor is turned on when the scan signal is supplied to the ith scan line.
    Type: Grant
    Filed: February 29, 2024
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Tae Jeong, Min Ku Lee, Ji Hyun Ka, Tae Hoon Kwon, Seung Kyu Lee, Seung Ji Cha
  • Patent number: 12217662
    Abstract: A display device includes: a display panel having a first region and a second region defined in the display panel, in which the second region is adjacent to the first region in a first direction. The display panel includes: a first pixel disposed in the first region, a second pixel disposed in the second region, a first bias voltage line electrically connected to the first pixel to transmit a first bias voltage, and a second bias voltage line electrically connected to the second pixel to transmit a second bias voltage. A time point, at which a level of the first bias voltage is changed, differs from a time point at which a level of the second bias voltage is changed, when the display panel operates at a first frame frequency.
    Type: Grant
    Filed: February 23, 2024
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Minseong Son, Sunjoon Hwang, Yunseong Kim, Boram Shin, Seung-Kyu Lee
  • Publication number: 20250006099
    Abstract: A display device includes: a target pixel; observation target pixels located adjacent to the target pixel; and a grayscale corrector for converting an input grayscale value corresponding to the target pixel with reference to observation target grayscale values corresponding to the observation target pixels. The grayscale corrector includes: a light emitting pixel counter for providing a number of light emitting pixels by counting a number of observation target pixels that exceeds a reference value; and a grayscale converter for providing a converted grayscale value by converting the input grayscale value, based on the number of light emitting pixels.
    Type: Application
    Filed: September 9, 2024
    Publication date: January 2, 2025
    Inventors: Si Beak PYO, Seung Kyu LEE, Choon Yul OH, Jun Ho HWANG
  • Patent number: 12174491
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.
    Type: Grant
    Filed: April 21, 2023
    Date of Patent: December 24, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn Hak Jeong, Wan Namgung, Hong Min Yoon, Ho Jun Lee, Pil Gyu Kang, Seung Kyu Lee, Yun Seok Lee
  • Publication number: 20240415787
    Abstract: The present invention relates to a pharmaceutical composition or a health functional food for treating or preventing obesity or obesity-related liver disease, containing a verbenone derivative and a pharmaceutically acceptable salt thereof as an active ingredient. Specifically, the verbenone derivative of the present invention is capable of treating and preventing obesity or obesity-related liver disease by inhibiting TGF-?/Smad3 signaling in high-fat diet-induced mice.
    Type: Application
    Filed: August 30, 2022
    Publication date: December 19, 2024
    Inventors: Chung JU, Dong Won LEE, Seung Kyu LEE, Sung CHUNG
  • Publication number: 20240412671
    Abstract: A display panel includes: a display including pixel columns electrically connected to data lines; a non-display area adjacent the display; a test circuit configured to receive a lighting test signal passing through at least a portion of the non-display area and to transfer the lighting test signal to the data lines in response to a test control signal; and a switch configured to receive a data signal from an external component and to transfer the data signal to the data lines in response to a switching signal.
    Type: Application
    Filed: August 16, 2024
    Publication date: December 12, 2024
    Inventors: Won-Kyu Kwak, Hwan-Soo Jang, Seung-Kyu Lee
  • Patent number: 12154513
    Abstract: A display device including a light emitting diode, a driving transistor, a second transistor, a third transistor, a fourth transistor, and a current blocking transistor. The current blocking transistor is a transistor of a different type from the driving transistor, and in case that a voltage of a gate electrode of the driving transistor is maintained at an initialization voltage, the current blocking transistor is turned off during a light emitting period to not transmit the light emitting current outputted by the driving transistor to an anode of the light emitting diode.
    Type: Grant
    Filed: April 27, 2023
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Kyu Lee, Yongsik Hwang
  • Publication number: 20240389391
    Abstract: Provided is pixel including a first transistor including a first drain region electrically connected to a light emitting diode, a first gate electrode, a first channel region overlapping the first gate electrode, and a first source region, a first sub-transistor including a first sub-gate electrode, a first sub-channel region overlapping the first sub-gate electrode, a first sub-drain region connected to the first gate electrode, and a first sub-source region, a second sub-transistor including a second sub-gate electrode, a second sub-channel region overlapping the second sub-gate electrode, a second sub-drain region connected to the first sub-source region, and a second sub-source region, and a shielding pattern overlapping the first sub-source region and the second sub-drain region and not overlapping the first sub-channel region, wherein a width of the first sub-channel region is greater than a width of the second sub-channel region.
    Type: Application
    Filed: July 29, 2024
    Publication date: November 21, 2024
    Inventors: Youngjin CHO, Hyunwoong KIM, Joong-soo MOON, Seung-kyu LEE, Yangwan KIM
  • Publication number: 20240347002
    Abstract: A display device includes a plurality of first pixels disposed in a first pixel area and initialized by a voltage of a first initialization power source, a plurality of second pixels disposed in a second pixel area and initialized by a voltage of a second initialization power source different from the first initialization power source, a data driver that supplies a data signal to a plurality of data lines connected to the first pixels and the second pixels, and a scan driver that supplies a scan signal to a plurality of scan lines connected to the first pixels and the second pixels. A black data signal supplied from the data driver to the first pixels and a black data signal supplied from the data driver to the second pixels are set to the same voltage.
    Type: Application
    Filed: December 29, 2023
    Publication date: October 17, 2024
    Inventors: Si Beak PYO, Seung Kyu LEE, Ji Hye MOON, Young Kyo SEO, Sung Jin KIM, Hyun Seok HONG
  • Publication number: 20240344863
    Abstract: Provided is a flow measurement system that creates distance information and flow velocity information of each of a plurality of measurement areas in a Field of View (FOV) zone of the surface of a river using radar electromagnetic waves by means of a multipoint radar flow velocity meter and that calculates a flow rate using the distance information and flow velocity information of each of the plurality of measurement areas, and meteorological observation information, level information, etc. of a river by means of an RTU.
    Type: Application
    Filed: April 12, 2024
    Publication date: October 17, 2024
    Inventor: Seung Kyu LEE
  • Patent number: 12115885
    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: Grant
    Filed: July 27, 2022
    Date of Patent: October 15, 2024
    Assignees: HYUNDAI TRANSYS INC., DUCK IL INDUSTRY CO., LTD.
    Inventors: Hyun Seok Song, Beom Sun Kim, Tae Hyoung Yang, Seung Kyu Lee, Byeong Wook Kim
  • Publication number: 20240331618
    Abstract: A display device includes: a display panel having a first region and a second region defined in the display panel, in which the second region is adjacent to the first region in a first direction. The display panel includes: a first pixel disposed in the first region, a second pixel disposed in the second region, a first bias voltage line electrically connected to the first pixel to transmit a first bias voltage, and a second bias voltage line electrically connected to the second pixel to transmit a second bias voltage. A time point, at which a level of the first bias voltage is changed, differs from a time point at which a level of the second bias voltage is changed, when the display panel operates at a first frame frequency.
    Type: Application
    Filed: February 23, 2024
    Publication date: October 3, 2024
    Inventors: MINSEONG SON, SUNJOON HWANG, YUNSEONG KIM, BORAM SHIN, SEUNG-KYU LEE
  • Publication number: 20240332095
    Abstract: A display device includes a display area, a peripheral area, a pad portion, a bending area, a first crack detection circuit, and a first crack detection line. The display area includes pixels and data lines. The peripheral area is disposed outside the display area. The pad portion is disposed in the peripheral area. The bending area is disposed in the peripheral area. The bending area is bendable or in a bent state. The first crack detection circuit is disposed between the display area and the pad portion. The first crack detection circuit includes switches. The first crack detection line includes a first curved portion disposed in the bending area. The first crack detection line is connected between the pad portion and the first crack detection circuit.
    Type: Application
    Filed: June 14, 2024
    Publication date: October 3, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Woong KIM, Won Kyu KWAK, Seung-Kyu LEE
  • Publication number: 20240331616
    Abstract: A display device includes a display panel including a pixel, and a panel driver configured to receive a brightness value, and to generate a reference voltage and an initialization voltage. The pixel includes a driving transistor, a storage capacitor and a light emitting element. In an initialization period, the reference voltage is applied to a gate of the driving transistor, and the initialization voltage is applied to a source of the driving transistor. In a compensation period, the driving transistor is turned on based on the reference voltage such that a threshold voltage of the driving transistor is stored between first and second electrodes of the storage capacitor. The panel driver adjusts at least one of the reference voltage and the initialization voltage according to the brightness value.
    Type: Application
    Filed: November 22, 2023
    Publication date: October 3, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: HANSIN LIM, SEUNG-KYU LEE
  • Publication number: 20240308751
    Abstract: A tray assembly includes a base tray, and an anti-slip pad disposed on the base tray, wherein the anti-slip pad has a friction coefficient in a range of about 0.5 to about 20 based on ASTM D1894, and a surface resistance in a range of about 10{circumflex over (?)}6 ?/cm2 to about 10{circumflex over (?)}9 ?/cm2 based on ASTM D257, and the anti-slip pad includes at least one of a thermoplastic olefinic elastomer (TPO), natural rubber, styrene-butadiene rubber (SBR), and polypropylene (PP).
    Type: Application
    Filed: May 24, 2024
    Publication date: September 19, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung KIM, Hyung Don NA, Hyeong Wook IM, Sang Woo KIM, Joo Yeob KIM, Seung Kyu LEE, Ji Ho CHUNG
  • Publication number: 20240306458
    Abstract: A display device includes a substrate having a first region in which an image is displayed, a second region in which an image is not displayed, and a bending region connecting the first region and the second region. The bending region is configured to bend along a bending axis which extends in a first direction. A plurality of pad terminals is disposed within the second region. A first width of the bending region, measured along the first direction, is narrower than a second width of the second region, measured along the first direction.
    Type: Application
    Filed: May 20, 2024
    Publication date: September 12, 2024
    Inventors: TAE HOON KWON, WON KYU KWAK, KWANG-MIN KIM, HEY JIN SHIN, SEUNG-KYU LEE