Patents by Inventor Won-Jin Seo

Won-Jin Seo 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: 20250232704
    Abstract: A display device includes: a display panel including pixels; and a display panel driver configured to drive the display panel, wherein the display panel driver is configured to determine a compensation frame in a compensation frame mode, and to display a compensation grayscale on a portion of the display panel in the compensation frame.
    Type: Application
    Filed: October 28, 2024
    Publication date: July 17, 2025
    Inventors: Chul SHIN, Tae Wan KIM, Won Jin SEO, Jeong Ah LEE, Heung Sik TAE, Dae Ho HWANG
  • Publication number: 20250182690
    Abstract: The present disclosure relates to a display device. According to one or more embodiments of the disclosure, a display device includes a display panel including a display area, pixels arranged in the display area, and a display-driving circuit configured to determine whether an image includes a still image or a video image, control a supply timing of a data voltage and a pixel-driving control signal to the pixels according to a determination result of the image, delay at least one frame period of a still image display period from one frame period of a video display period, and adjust an image display timing of a next frame in response to a change of a current amount or in a voltage magnitude.
    Type: Application
    Filed: September 23, 2024
    Publication date: June 5, 2025
    Inventors: Won Jin SEO, Ki Hyun PYUN, Jin Mo KWON, Ji Young EOM, Dae Ho HWANG
  • Patent number: 12288506
    Abstract: A display device of the disclosure includes a grayscale converter which converts input grayscales into output grayscales based on a scale factor, a data driver which converts the output grayscales into data voltages, a plurality of pixels which receives the data voltages and displays an image based on the data voltages, and a current sensor which provides a sensing current by sensing a first power current supplied to the plurality of pixels to display the image. When a load corresponding to the input grayscales is greater than a minimum load, the grayscale converter adjusts a change amount of the scale factor based on a current difference between a target current corresponding to the load and the sensing current.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: April 29, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Hyun Pyun, Won Jin Seo
  • Patent number: 12266292
    Abstract: A display device includes a display unit including pixels connected to data lines and scan lines, first and second temperature sensors for sensing first and second temperatures of the display unit, a data driver configured to generate a data signal configured to be supplied to the data lines using output data, and attached to a first printed circuit board configured to be fixed to a rear surface of the display unit, a timing controller configured to generate the output data using input data, and attached to a second printed circuit board configured to be fixed to the rear surface of the display unit, and a storage having a temperature weight table including a weight corresponding to the first and second temperatures and a plurality of temperature tables including temperature information of the display unit corresponding to an attachment position of the second printed circuit board.
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: April 1, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Jin Seo, Tae Wan Kim, Hwa An Sung, Hyun Sik Yoon, Jeong Ah Lee, Dae Ho Hwang
  • Publication number: 20240431140
    Abstract: A display device according to an embodiment includes a display area including a first display area and a second display area disposed around the first display area, a first pixel disposed in the first display area and including a first emission area, and a second pixel disposed in the second display area and including a second emission area, wherein the second emission area has a larger size than the first emission area.
    Type: Application
    Filed: January 23, 2024
    Publication date: December 26, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Chul SHIN, Jin Mo KWON, Won Jin SEO, Hwa An SUNG, Ji Young EOM, Dae Ho HWANG
  • Patent number: 12154511
    Abstract: A display device includes a display panel including scan lines, first signal lines connected to the scan lines in a first pixel block, second signal lines connected to the scan lines in a second pixel block, third signal lines connected to the scan lines in a third pixel block; a first scan driver supplying a first output signal to the first signal lines based on a first sub-clock signal; a second scan driver supplying a second output signal to the second signal lines based on a second sub-clock signal; a third scan driver supplying a third output signal to the third signal lines based on and a third sub-clock signal; and a timing controller. Changes in pulse widths of the first to third output signals are different in one frame period.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Hyun Pyun, Jang Hoon Kwak, Won Jin Seo
  • Patent number: 12128802
    Abstract: Disclosed are a vehicle seat cover made of an artificial suede. The vehicle seat cover includes a top layer provided in the top portion, a bottom layer provided in the bottom portion, and a intermediate layer positioned between the top layer and the bottom layer. Each of the layers has a tricot texture, and the top layer includes the first yarn having a configuration in which the dope dyed microfiber yarn and the first high shrinkage yarn are interlaced. Thus, the suede material may have superior friction fastness and the light fastness and the vehicle seat cover is manufactured at less cost than a vehicle seat cover made of a conventional artificial suede.
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: October 29, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, LX HAUSYS, Ltd.
    Inventors: Gun Kang, Won Jin Seo, Hye Min Lee, Myoung Ryoul Lee, Yong Bae Jung, Chang Hoon Lee, Kyung Hak Kang, De Eun Park, Gyu Suk Lee
  • Publication number: 20240233616
    Abstract: A display device includes a display unit including pixels connected to data lines and scan lines, first and second temperature sensors for sensing first and second temperatures of the display unit, a data driver configured to generate a data signal configured to be supplied to the data lines using output data, and attached to a first printed circuit board configured to be fixed to a rear surface of the display unit, a timing controller configured to generate the output data using input data, and attached to a second printed circuit board configured to be fixed to the rear surface of the display unit, and a storage having a temperature weight table including a weight corresponding to the first and second temperatures and a plurality of temperature tables including temperature information of the display unit corresponding to an attachment position of the second printed circuit board.
    Type: Application
    Filed: July 14, 2023
    Publication date: July 11, 2024
    Inventors: Won Jin SEO, Tae Wan KIM, Hwa An SUNG, Hyun Sik YOON, Jeong Ah LEE, Dae Ho HWANG
  • Publication number: 20240135863
    Abstract: A display device includes a display unit including pixels connected to data lines and scan lines, first and second temperature sensors for sensing first and second temperatures of the display unit, a data driver configured to generate a data signal configured to be supplied to the data lines using output data, and attached to a first printed circuit board configured to be fixed to a rear surface of the display unit, a timing controller configured to generate the output data using input data, and attached to a second printed circuit board configured to be fixed to the rear surface of the display unit, and a storage having a temperature weight table including a weight corresponding to the first and second temperatures and a plurality of temperature tables including temperature information of the display unit corresponding to an attachment position of the second printed circuit board.
    Type: Application
    Filed: July 13, 2023
    Publication date: April 25, 2024
    Inventors: Won Jin SEO, Tae Wan KIM, Hwa An SUNG, Hyun Sik YOON, Jeong Ah LEE, Dae Ho HWANG
  • Patent number: 11881160
    Abstract: A display device includes: a pixel component including pixels; a timing controller configured to calculate a load variation between previous input grayscale values corresponding to a previous frame and current input grayscale values corresponding to a current frame; a current sensor configured to sense a current flowing through the pixels during the current frame and generate a global current value for the sensed current, store time points at which the global current value becomes equal to preset threshold current values, respectively, and generate a global current variation rate corresponding to a section between the stored time points of the current frame; and a scale factor provider configured to control a scale factor in a period of the current frame in the case where the load variation is equal to or more than a reference load variation.
    Type: Grant
    Filed: February 8, 2023
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Sik Yoon, Jong Woon Kim, Won Jin Seo, Ki Hyun Sung, Ye Seul Lee, Dae Ho Hwang
  • Publication number: 20240021143
    Abstract: A display device includes: a pixel component including pixels; a timing controller configured to calculate a load variation between previous input grayscale values corresponding to a previous frame and current input grayscale values corresponding to a current frame; a current sensor configured to sense a current flowing through the pixels during the current frame and generate a global current value for the sensed current, store time points at which the global current value becomes equal to preset threshold current values, respectively, and generate a global current variation rate corresponding to a section between the stored time points of the current frame; and a scale factor provider configured to control a scale factor in a period of the current frame in the case where the load variation is equal to or more than a reference load variation.
    Type: Application
    Filed: February 8, 2023
    Publication date: January 18, 2024
    Inventors: Hyun Sik YOON, Jong Woon KIM, Won Jin SEO, Ki Hyun SUNG, Ye Seul LEE, Dae Ho HWANG
  • Publication number: 20230419881
    Abstract: A display device of the disclosure includes a grayscale converter which converts input grayscales into output grayscales based on a scale factor, a data driver which converts the output grayscales into data voltages, a plurality of pixels which receives the data voltages and displays an image based on the data voltages, and a current sensor which provides a sensing current by sensing a first power current supplied to the plurality of pixels to display the image. When a load corresponding to the input grayscales is greater than a minimum load, the grayscale converter adjusts a change amount of the scale factor based on a current difference between a target current corresponding to the load and the sensing current.
    Type: Application
    Filed: April 12, 2023
    Publication date: December 28, 2023
    Inventors: Ki Hyun PYUN, Won Jin SEO
  • Patent number: 11837148
    Abstract: A display device includes a plurality of pixels grouped into blocks divided into block rows extending in a first direction and arranged in a second direction, wherein each block includes two or more pixels connected to a first power source line, and each pixel is assigned with a grayscale value in a range of grayscale values that is divided into a plurality of grayscale sections; and a first power source voltage adjuster selecting a reference block row, and determining a magnitude of a first power source voltage supplied to the first power source line based on a number of blocks in the reference block row having a grayscale section that is same as a maximum grayscale section of the reference block row. The maximum grayscale section corresponds to a grayscale section that includes a largest grayscale value having a grayscale value ratio greater than a minimum ratio.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: December 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Hyun Pyun, Won Jin Seo, Eun Jin Choi
  • Patent number: 11772143
    Abstract: Disclosed are a micro fiber and a method of manufacturing the micro fiber are proposed. The micro fiber may be manufactured by controlling thickness and Young's modulus thereof using hollow fiber.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: October 3, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industrial Cooperation Foundation Jeonbuk National University
    Inventors: Gun Kang, Won Jin Seo, Mi Jung Yun, Hong Chan Jeon, Sung June Park, Sang Min Lee, Min Jae Choe, Eun Seon Kim
  • Patent number: 11735141
    Abstract: Provided herein may be a display device. The display device may include a display panel including a plurality of unit blocks disposed in a display area, the plurality of unit blocks including a first area displaying a logo or a banner, a second area having largest load value and a third area disposed between the first area and the second area, a display panel driver configured to generate data voltages based on input image data, and a zonal compensator configured to receive the input image data, to calculate load values of the input image data for the plurality of unit blocks, respectively, and to control luminance of each of the first area and the third area based on a location difference between the first area and the second area and a load value difference between the first area and the second area.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: August 22, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun Jin Choi, Won Jin Seo, Ki Hyun Pyun
  • Publication number: 20230122818
    Abstract: Disclosed are a vehicle seat cover made of an artificial suede. The vehicle seat cover includes a top layer provided in the top portion, a bottom layer provided in the bottom portion, and a intermediate layer positioned between the top layer and the bottom layer. Each of the layers has a tricot texture, and the top layer includes the first yarn having a configuration in which the dope dyed microfiber yarn and the first high shrinkage yarn are interlaced. Thus, the suede material may have superior friction fastness and the light fastness and the vehicle seat cover is manufactured at less cost than a vehicle seat cover made of a conventional artificial suede.
    Type: Application
    Filed: October 4, 2022
    Publication date: April 20, 2023
    Inventors: Gun Kang, Won Jin Seo, Hye Min Lee, Myoung Ryoul Lee, Yong Bae Jung, Chang Hoon Lee, Kyung Hak Kang, De Eun Park, Gyu Suk Lee
  • Patent number: 11628647
    Abstract: The present invention relates to a synthetic leather for a steering wheel cover of a vehicle, and a method for preparing the same. The synthetic leather including a fiber base layer (101) including a microfiber nonwoven fabric, an urethane porous layer (102) formed on the fiber base layer, a polyurethane resin skin layer (104) formed on the urethane porous layer, and prepared by polymerizing an isocyanate compound and a polyol compound including polycarbonate-based polyol, fluorine-based polyol and ester-based polyol, and an adhesive layer (103) for adhering the urethane porous layer and the skin layer.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: April 18, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Baiksan Co., Ltd.
    Inventors: Hyun Dae Cho, Oh Deok Kwon, Won Jin Seo, Kie Youn Jeong, Yoon Jong Cha, Sung Deuk Ahn, Tae Ho Hyun
  • Publication number: 20230084383
    Abstract: A display device includes a display panel including scan lines, first signal lines connected to the scan lines in a first pixel block, second signal lines connected to the scan lines in a second pixel block, third signal lines connected to the scan lines in a third pixel block; a first scan driver supplying a first output signal to the first signal lines based on a first sub-clock signal; a second scan driver supplying a second output signal to the second signal lines based on a second sub-clock signal; a third scan driver supplying a third output signal to the third signal lines based on and a third sub-clock signal; and a timing controller. Changes in pulse widths of the first to third output signals are different in one frame period.
    Type: Application
    Filed: October 27, 2022
    Publication date: March 16, 2023
    Inventors: KI HYUN PYUN, Jang Hoon Kwak, Won Jin Seo
  • Patent number: 11514860
    Abstract: A display device includes a display panel including scan lines, first signal lines connected to the scan lines in a first pixel block, second signal lines connected to the scan lines in a second pixel block, third signal lines connected to the scan lines in a third pixel block; a first scan driver supplying a first output signal to the first signal lines based on a first sub-clock signal; a second scan driver supplying a second output signal to the second signal lines based on a second sub-clock signal; a third scan driver supplying a third output signal to the third signal lines based on and a third sub-clock signal; and a timing controller. Changes in pulse widths of the first to third output signals are different in one frame period.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Hyun Pyun, Jang Hoon Kwak, Won Jin Seo
  • Publication number: 20220366831
    Abstract: A display device includes a plurality of pixels grouped into blocks divided into block rows extending in a first direction and arranged in a second direction, wherein each block includes two or more pixels connected to a first power source line, and each pixel is assigned with a grayscale value in a range of grayscale values that is divided into a plurality of grayscale sections; and a first power source voltage adjuster selecting a reference block row, and determining a magnitude of a first power source voltage supplied to the first power source line based on a number of blocks in the reference block row having a grayscale section that is same as a maximum grayscale section of the reference block row. The maximum grayscale section corresponds to a grayscale section that includes a largest grayscale value having a grayscale value ratio greater than a minimum ratio.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 17, 2022
    Inventors: Ki Hyun PYUN, Won Jin SEO, Eun Jin CHOI