Patents by Inventor Yeon-Sung KIM

Yeon-Sung KIM 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: 20240157878
    Abstract: A luggage board for a vehicle includes a core layer; a first layer covering a portion of the core layer; and a second layer covering a remaining portion of the core layer except for a region covered by the first layer. End portions of the first layer and the second layer disposed on a side surface of the core layer are bonded to each other.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 16, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, Hanwha Advanced Materials Corporation
    Inventors: Hee Sang PARK, Won Jong Lee, Sang Eun Jahng, Yeon Sim Yoon, Seung Kun Lee, Seok Cheol Kim, Dong Han Lee, Hak Bong Lee, Eun Gi Kim, Jae Sung Byun
  • Publication number: 20240158822
    Abstract: Disclosed herein are a microorganism with excellent deacetoxycephalosporin C (DAOC) productivity and a use thereof. A mutant microorganism with improved DAOC productivity and a use thereof for producing 7-aminodeacetoxycephalosporanic acid (7-ADCA) are provided.
    Type: Application
    Filed: October 17, 2023
    Publication date: May 16, 2024
    Inventors: Zhe PIAO, Young sung YUN, Hyeon Seo LEE, Yeon Hee CHOI, Mi Suk KANG, Xue Mei PIAO, You Mi KIM, Ji Su LEE, Hong Xian LI, Dong Il SEO, Dong Won JEONG, Seung Ki KIM
  • Patent number: 11742357
    Abstract: A display device includes a substrate, pixels on the substrate, pads, and test lines. The pads are between the pixels and an edge of the substrate and include a first pad and a second pad. The test lines include a first test line and a second test line. The first test line includes a first section and a second section. The second section is closer to the edge of the substrate than the first section and is connected through the first section to the first pad. The second test line includes a first segment and a second segment. The second segment is closer to the edge of the substrate than the first segment and is connected through the first segment to the second pad. A minimum distance between the first section and the first segment is larger than a minimum distance between the second section and the second segment.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: August 29, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Seop Song, Seung Jae Kang, Yeon-Sung Kim, Po-Yun Park, Bong Chun Park, Il Hyun Yang
  • Patent number: 11688344
    Abstract: A display device includes: a pixel including a light emitting element and a first transistor for applying a driving current to the light emitting element; a data driver for supplying a first data voltage corresponding to first sensing data to the pixel in a sensing period, and supplying, to the pixel, a second data voltage corresponding to second sensing data or a third data voltage corresponding to third sensing data in a verification period for detecting compensation degree of the sensing period; a sensing unit for extracting a first sensing value corresponding to the first sensing data, a second sensing value corresponding to the second sensing data, and a third sensing value corresponding to the third sensing data through sensing lines; and a timing controller for generating image data compensated using the first sensing value, and detecting the compensation degree using the second sensing value or the third sensing value.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: June 27, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Jin Shin, Min Soo Kang, Nag Joon Kim, Byoung Chel Kim, Yeon Sung Kim, Hyoung Rae Lee
  • Patent number: 11645985
    Abstract: A display apparatus includes a display panel configured to display an image. The display panel includes a plurality of display areas. A display panel driver is configured to output a driving signal to the display panel. A backlight unit is configured to provide light to the display panel. A luminance compensating part is configured to generate a backlight compensating signal having different compensating values according to a distance between the display panel driver and the display areas of the display panel.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: May 9, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Seok Jeong, Yeon-Sung Kim, Hyoung-Wook Kim, Choongseob Oh, Okyi Lee, JinHo Cho
  • Patent number: 11483932
    Abstract: A display device includes a display panel including first pads in a first row and second pads in a second row, a driving circuit board, a first connection circuit board including a first output portion on which first output pads bonded to the first pads of the display panel are disposed, a first input portion on which first input pads bonded to the driving circuit board are disposed, and a first protruding portion, and a second connection circuit board including a second output portion which overlap at least a portion of the first output portion and on which second output pads bonded to the second pads of the display panel are disposed, and a second input portion on which second input pads bonded to the driving circuit board are disposed. At least a portion of the first protruding portion is disposed on the second input portion.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: October 25, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bongchun Park, Sangmi Kim, Yeon-Sung Kim, Po-Yun Park, Seungjae Kang, Il Hyun Yang
  • Publication number: 20220262311
    Abstract: A display device includes: a pixel including a light emitting element and a first transistor for applying a driving current to the light emitting element; a data driver for supplying a first data voltage corresponding to first sensing data to the pixel in a sensing period, and supplying, to the pixel, a second data voltage corresponding to second sensing data or a third data voltage corresponding to third sensing data in a verification period for detecting compensation degree of the sensing period; a sensing unit for extracting a first sensing value corresponding to the first sensing data, a second sensing value corresponding to the second sensing data, and a third sensing value corresponding to the third sensing data through sensing lines; and a timing controller for generating image data compensated using the first sensing value, and detecting the compensation degree using the second sensing value or the third sensing value.
    Type: Application
    Filed: February 15, 2022
    Publication date: August 18, 2022
    Inventors: Yong Jin SHIN, Min Soo KANG, Nag Joon KIM, Byoung Chel KIM, Yeon Sung KIM, Hyoung Rae LEE
  • Patent number: 11158272
    Abstract: A display device includes a display panel including pixels disposed at rows and columns, first data lines respectively disposed at the columns, and second data lines respectively disposed at the columns, a first data driver connected to the first data lines, and a second data driver connected to the second data lines. A first portion of the pixels are connected to the first data lines, and a second portion of the pixels are connected to the second data lines. The first data driver provides first gray voltages corresponding to a first gamma curve to the first portion of the pixels through the first data lines, and the second data driver provides second gray voltages corresponding to a second gamma curve different from the first gamma curve to the second portion of the pixels through the second data lines.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: October 26, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeon-Sung Kim, Bongchun Park, Hyunseop Song
  • Patent number: 11024250
    Abstract: A liquid crystal display device includes a liquid crystal display panel including a plurality of pixels, a voltage generator generating a gate on voltage and a gate off voltage, a gate driver generating a gate signal provided to the pixel using the gate on voltage and the gate off voltage, and providing the gate signal to the pixels, a data driver providing a data signal to the pixels, and a timing controller generating control signals that control the gate driver and the data driver. Each of the pixels includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel. A voltage level of the gate off voltage provided to the red sub-pixel, a voltage level of the gate off voltage provided to the green sub-pixel, and a voltage level of the gate off voltage provided to the blue sub-pixel are different from one another.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: June 1, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyoung-Wook Kim, Yeon-Sung Kim, Choongseob Oh, Okyi Lee, Hyun-Seok Jeong, Jin Ho Cho
  • Patent number: 10901275
    Abstract: A display device includes a display substrate having a fan-out area, and a plurality of driving integrated circuits are arranged to reduce a signal delay variation. A printed circuit board (PCB) is connected to the fan-out area, and a driving integrated circuit (IC) is disposed on the PCB in a second direction. A first circuit board wiring is disposed on the PCB and connected to the driving IC. A second circuit board wiring is disposed in the second direction and connected to the driving IC. A first fan-out wiring is disposed on the fan-out area and connected to the first circuit board wiring, and a second fan-out wiring is disposed in the second direction from the fan-out area and connected to the second circuit board wiring. A sum of the length of the wiring of the first circuit board and the second circuit board may be substantially the same.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeon-Sung Kim, Hyoung-Wook Kim, Okyi Lee, Hyun-Seok Jeong, Jinho Cho
  • Publication number: 20200335055
    Abstract: A display device includes a display panel including pixels disposed at rows and columns, first data lines respectively disposed at the columns, and second data lines respectively disposed at the columns, a first data driver connected to the first data lines, and a second data driver connected to the second data lines. A first portion of the pixels are connected to the first data lines, and a second portion of the pixels are connected to the second data lines. The first data driver provides first gray voltages corresponding to a first gamma curve to the first portion of the pixels through the first data lines, and the second data driver provides second gray voltages corresponding to a second gamma curve different from the first gamma curve to the second portion of the pixels through the second data lines.
    Type: Application
    Filed: April 7, 2020
    Publication date: October 22, 2020
    Inventors: Yeon-Sung KIM, Bongchun PARK, Hyunseop SONG
  • Publication number: 20200267842
    Abstract: A display device includes a display panel including first pads in a first row and second pads in a second row, a driving circuit board, a first connection circuit board including a first output portion on which first output pads bonded to the first pads of the display panel are disposed, a first input portion on which first input pads bonded to the driving circuit board are disposed, and a first protruding portion, and a second connection circuit board including a second output portion which overlap at least a portion of the first output portion and on which second output pads bonded to the second pads of the display panel are disposed, and a second input portion on which second input pads bonded to the driving circuit board are disposed. At least a portion of the first protruding portion is disposed on the second input portion.
    Type: Application
    Filed: December 26, 2019
    Publication date: August 20, 2020
    Inventors: BONGCHUN PARK, SANGMI KIM, YEON-SUNG KIM, PO-YUN PARK, SEUNGJAE KANG, IL HYUN YANG
  • Publication number: 20200161337
    Abstract: A display device includes a substrate, pixels on the substrate, pads, and test lines. The pads are between the pixels and an edge of the substrate and include a first pad and a second pad. The test lines include a first test line and a second test line. The first test line includes a first section and a second section. The second section is closer to the edge of the substrate than the first section and is connected through the first section to the first pad. The second test line includes a first segment and a second segment. The second segment is closer to the edge of the substrate than the first segment and is connected through the first segment to the second pad. A minimum distance between the first section and the first segment is larger than a minimum distance between the second section and the second segment.
    Type: Application
    Filed: November 15, 2019
    Publication date: May 21, 2020
    Inventors: Hyun Seop SONG, Seung Jae KANG, Yeon-Sung KIM, Po-Yun PARK, Bong Chun PARK, Il Hyun YANG
  • Publication number: 20190272799
    Abstract: A liquid crystal display device includes a liquid crystal display panel including a plurality of pixels, a voltage generator generating a gate on voltage and a gate off voltage, a gate driver generating a gate signal provided to the pixel using the gate on voltage and the gate off voltage, and providing the gate signal to the pixels, a data driver providing a data signal to the pixels, and a timing controller generating control signals that control the gate driver and the data driver. Each of the pixels includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel. A voltage level of the gate off voltage provided to the red sub-pixel, a voltage level of the gate off voltage provided to the green sub-pixel, and a voltage level of the gate off voltage provided to the blue sub-pixel are different from one another.
    Type: Application
    Filed: March 1, 2019
    Publication date: September 5, 2019
    Inventors: HYOUNG-WOOK KIM, Yeon-Sung Kim, Choongseob Oh, Okyi Lee, Hyun-Seok Jeong, Jin Ho Cho
  • Publication number: 20190228722
    Abstract: A display apparatus includes a display panel configured to display an image. The display panel includes a plurality of display areas. A display panel driver is configured to output a driving signal to the display panel. A backlight unit is configured to provide light to the display panel. A luminance compensating part is configured to generate a backlight compensating signal having different compensating values according to a distance between the display panel driver and the display areas of the display panel.
    Type: Application
    Filed: November 15, 2018
    Publication date: July 25, 2019
    Inventors: Hyun-Seok JEONG, Yeon-Sung KIM, Hyoung-Wook KIM, Choongseob OH, Okyi LEE, JinHo CHO
  • Publication number: 20190182948
    Abstract: A display device includes a display substrate having a fan-out area, and a plurality of driving integrated circuits are arranged to reduce a signal delay variation. A printed circuit board (PCB) is connected to the fan-out area, and a driving integrated circuit (IC) is disposed on the PCB in a second direction. A first circuit board wiring is disposed on the PCB and connected to the driving IC. A second circuit board wiring is disposed in the second direction and connected to the driving IC. A first fan-out wiring is disposed on the fan-out area and connected to the first circuit board wiring, and a second fan-out wiring is disposed in the second direction from the fan-out area and connected to the second circuit board wiring. A sum of the length of the wiring of the first circuit board and the second circuit board may be substantially the same.
    Type: Application
    Filed: November 15, 2018
    Publication date: June 13, 2019
    Inventors: YEON-SUNG KIM, Hyoung-Wook KIM, Okyi LEE, Hyun-Seok JEONG, Jinho CHO
  • Patent number: 9798177
    Abstract: A display apparatus includes a display panel, a backlight unit and a touch panel. The backlight unit generates and provides light and is disposed below the display panel to provide the light to the display panel. The touch panel includes a base film attached to a top surface of the display panel. The base film defines a base portion thereof which is overlapped with the display panel. The base portion which is overlapped with the display panel is extended to define a dummy wing portion of the base film. The dummy wing portion is bent from the display panel to a side surface of the backlight unit to be fixed to the side surface of the backlight unit.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: October 24, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-won Kuk, Jikhan Jung, Yeon-sung Kim, Cheonghun Lee
  • Patent number: 9746722
    Abstract: A liquid crystal display comprises: an upper panel including an upper substrate on which a plurality of thin film layers are formed; a lower panel including a lower substrate on which a plurality of thin film layers are formed; a liquid crystal layer positioned between the upper panel and the lower panel; and a sealing member bonding between the upper panel and the lower panel and constraining the liquid crystal layer. The lower panel includes an aligning agent margin part which is positioned inside the sealing member on the lower substrate and dummy pixels which are positioned at the aligning agent margin part and which enclose a display area. By this configuration, it is possible for a liquid crystal display to be capable of reducing the peripheral area of the display panel so as to expand the display area or making the peripheral area seem smaller to make the display area seem larger.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeon-Sung Kim, Seung-Won Kuk, Yun-Gun Lee, Hyeng-Woo Cho
  • Publication number: 20160282652
    Abstract: A display apparatus includes a display panel, a backlight unit and a touch panel. The backlight unit generates and provides light and is disposed below the display panel to provide the light to the display panel. The touch panel includes a base film attached to a top surface of the display panel. The base film defines a base portion thereof which is overlapped with the display panel. The base portion which is overlapped with the display panel is extended to define a dummy wing portion of the base film. The dummy wing portion is bent from the display panel to a side surface of the backlight unit to be fixed to the side surface of the backlight unit.
    Type: Application
    Filed: October 8, 2015
    Publication date: September 29, 2016
    Inventors: Seung-won KUK, Jikhan JUNG, Yeon-sung KIM, Cheonghun LEE
  • Publication number: 20160202527
    Abstract: A liquid crystal display comprises: an upper panel including an upper substrate on which a plurality of thin film layers are formed; a lower panel including a lower substrate on which a plurality of thin film layers are formed; a liquid crystal layer positioned between the upper panel and the lower panel; and a sealing member bonding between the upper panel and the lower panel and constraining the liquid crystal layer. The lower panel includes an aligning agent margin part which is positioned inside the sealing member on the lower substrate and dummy pixels which are positioned at the aligning agent margin part and which enclose a display area. By this configuration, it is possible for a liquid crystal display to be capable of reducing the peripheral area of the display panel so as to expand the display area or making the peripheral area seem smaller to make the display area seem larger.
    Type: Application
    Filed: August 25, 2015
    Publication date: July 14, 2016
    Inventors: Yeon-Sung KIM, Seung-Won KUK, Yun-Gun LEE, Hyeng-Woo CHO