Patents by Inventor Byoung-Sun Na

Byoung-Sun Na 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: 11740519
    Abstract: The display device includes data lines, first gate lines arranged in parallel with the data lines, second gate lines intersecting the first gate lines, a line contact portion in which each of the plurality of first gate lines and each of the plurality of second gate lines are in contact with each other, a non-contact portion in which each of the plurality of first gate lines and each of the plurality of second gate lines are insulated from each other in an intersection area thereof, a first pixel including a first switching element connected to a corresponding second gate line among the second gate lines, and a second pixel including a second switching element connected to the second gate line connected to the first pixel, wherein magnitude of a first capacitance of the first switching element is different from magnitude of a first capacitance of the second switching element.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: August 29, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Na Hyeon Cha, Si Hyun Ahn, Byoung Sun Na, Sun Kwun Son
  • Publication number: 20230142014
    Abstract: A display device includes a base layer including a display area and a non-display area, an emission unit including a first electrode electrically connected to a first driving power source, a second electrode electrically connected to a second driving power source, and a light-emitting element disposed between first and second electrodes, a first transistor including a first terminal electrically connected to the first driving power source, a second terminal electrically connected to the first electrode of the emission unit, and a gate electrode electrically connected to a first node, a second transistor including a first terminal electrically connected to a data line, a second terminal electrically connected to the first node, and a gate electrode electrically connected to a scan line, and an electrostatic discharge circuit disposed in the display area and disposed between the first driving power source and the data line.
    Type: Application
    Filed: September 21, 2022
    Publication date: May 11, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Kwi Hyun KIM, Byoung Sun NA, Sang Yong NO, Jong Woong CHANG, Chong Chul CHAI
  • Publication number: 20220115495
    Abstract: A tiled display includes: first and second display devices disposed adjacent to each other, the first and second display devices including display areas each having light-emitting areas, and a seam between adjacent ones of the display areas. Each of the first and second display devices includes: a first base part in the display areas, a first support layer on the first base part in the display areas and the seam, a display layer on the first support layer in the display areas and the seam, a second support layer on the display layer in the display areas and the seam, and a second base part on the second support layer in the display areas. The first support layer of the second display device is disposed on the second support layer of the first display device in the seam.
    Type: Application
    Filed: September 2, 2021
    Publication date: April 14, 2022
    Inventors: Dong Hee SHIN, Byoung Sun NA, Yong Hee LEE
  • Patent number: 11282464
    Abstract: A display device includes a display panel which includes a display area and a non-display area, a plurality of pixels in the display area, and a gate driver connected to at least two of the pixels through a gate line, wherein the gate driver includes a plurality of stages connected to each other and drives the at least two pixels, where each of the plurality of stages includes a first portion of a stage disposed in the non-display area and a second portion of the stage disposed in the display area and connected to the first portion, and the second portion of the stage includes a pull down transistor configured to output a low potential to the gate line.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: March 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kee-Bum Park, Hyuk-Jin Kim, Byoung Sun Na
  • Patent number: 11221509
    Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: January 11, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
  • Patent number: 11215866
    Abstract: A display device includes: a first substrate including a display area and a non-display area including a first non-display area and a second non-display area on respective sides of the display area with respect to a first direction; a color filter in the display area and including a first color filter, a second color filter, and a third color filter; and a color filter dam in the non-display area, wherein the color filter dam includes a first color filter dam in the first non-display area and a second color filter dam in the second non-display area, the first color filter dam includes a same material as the first color filter, and the second color filter dam includes a same material as the second color filter.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: January 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hee Shin, Byoung Sun Na, Yoo Mi Ra
  • Publication number: 20210208463
    Abstract: The display device includes data lines, first gate lines arranged in parallel with the data lines, second gate lines intersecting the first gate lines, a line contact portion in which each of the plurality of first gate lines and each of the plurality of second gate lines are in contact with each other, a non-contact portion in which each of the plurality of first gate lines and each of the plurality of second gate lines are insulated from each other in an intersection area thereof, a first pixel including a first switching element connected to a corresponding second gate line among the second gate lines, and a second pixel including a second switching element connected to the second gate line connected to the first pixel, wherein magnitude of a first capacitance of the first switching element is different from magnitude of a first capacitance of the second switching element.
    Type: Application
    Filed: November 3, 2020
    Publication date: July 8, 2021
    Inventors: Na Hyeon CHA, Si Hyun AHN, Byoung Sun NA, Sun Kwun SON
  • Patent number: 10976628
    Abstract: A display device includes: a gate line (GL); a semiconductor pattern (SP) on the GL; a data line (DL); a voltage division reference line (VDRL); and first to third switching elements (SWE) overlapping the SP. The first SWE includes a first source electrode (SE) connected to the DL, a first drain electrode (DE) spaced apart from the first SE, and a first gate electrode (GE) connected to the GL. The second SWE includes a second SE connected to the DL, a second DE spaced apart from the second SE, and a second GE connected to the GL. The third SWE includes a third SE connected to the VDRL, a third DE connected to the second SE, and a third GE connected to the GL. The first SE, the first DE, the second SE, and the second DE are sequentially arranged across and on the SP in a first direction.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: April 13, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Ho Kim, Byoung Sun Na, Seong Young Lee
  • Publication number: 20200410941
    Abstract: A display device includes a plurality of pixels disposed in an display area, and a pixel driver connected to at least two of the pixels, wherein the pixel driver drives the at least two pixels, where a portion of the pixel driver is disposed in the display area, and the display device includes the display area, on which an image is displayed, and a non-display area, on which no image is displayed.
    Type: Application
    Filed: September 11, 2020
    Publication date: December 31, 2020
    Inventors: Kee-Bum PARK, Hyuk-Jin KIM, Byoung Sun NA
  • Publication number: 20200379294
    Abstract: A display device includes: a first substrate including a display area and a non-display area including a first non-display area and a second non-display area on respective sides of the display area with respect to a first direction; a color filter in the display area and including a first color filter, a second color filter, and a third color filter; and a color filter dam in the non-display area, wherein the color filter dam includes a first color filter dam in the first non-display area and a second color filter dam in the second non-display area, the first color filter dam includes a same material as the first color filter, and the second color filter dam includes a same material as the second color filter.
    Type: Application
    Filed: February 5, 2020
    Publication date: December 3, 2020
    Inventors: Dong Hee SHIN, Byoung Sun NA, Yoo Mi RA
  • Patent number: 10825840
    Abstract: Embodiments of the present disclosure provide a thin-film transistor (TFT) panel structured to prevent the deterioration of image quality due to the luminance change of backlight.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: November 3, 2020
    Inventors: Byoung-Sun Na, Ju-Hee Lee, Won-Hee Lee, Ho-Kyoon Kwon
  • Patent number: 10811437
    Abstract: A display device including a gate line, first and second data lines adjacent to each other in a first direction and crossing the gate line, a first transistor electrically connected to the gate line and the first data line, and a first pixel electrode electrically connected to the first transistor, in which the first pixel electrode includes a first sub-electrode and a second sub-electrode adjacent to each other in the first direction, the first sub-electrode includes a first longitudinal stem extending in a direction substantially parallel to the first data line and overlapping the first data line and a plurality of first branches connected to the first longitudinal stem, and the second sub-electrode includes a second longitudinal stem extending in a direction substantially parallel to the second data line and overlapping the second data line and a plurality of second branches connected to the second longitudinal stem.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 20, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyun Lee, Hak Sun Chang, Byoung Sun Na, Seung Min Lee
  • Patent number: 10783833
    Abstract: A display device includes a plurality of pixels disposed in an display area, and a pixel driver connected to at least two of the pixels, wherein the pixel driver drives the at least two pixels, where a portion of the pixel driver is disposed in the display area, and the display device includes the display area, on which an image is displayed, and a non-display area, on which no image is displayed.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kee-Bum Park, Hyuk-Jin Kim, Byoung Sun Na
  • Patent number: 10775676
    Abstract: A display device including: a substrate; a gate line disposed on the substrate to transmit a gate signal; a first reference voltage line spaced apart from the gate line to transmit a reference voltage; a second reference voltage line disposed on the gate line and the first reference voltage line and electrically connected to the first reference voltage line; an insulating layer disposed on the second reference voltage line; and a pixel electrode layer disposed on the insulating layer, wherein the pixel electrode layer includes a first pixel electrode having a first sub-pixel electrode disposed at a first side with respect to the gate line and a second sub-pixel electrode disposed at a second side opposite to the first side with respect to the gate line, and the second reference voltage line may overlap the first pixel electrode and may cross the first pixel electrode.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: September 15, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Ho Kim, Seong Young Lee, Yong Hee Lee, Byoung Sun Na, Sun Kwun Son
  • Publication number: 20200271988
    Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.
    Type: Application
    Filed: May 14, 2020
    Publication date: August 27, 2020
    Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
  • Patent number: 10698250
    Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: June 30, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
  • Publication number: 20200089068
    Abstract: A display device including: a substrate; a gate line disposed on the substrate to transmit a gate signal; a first reference voltage line spaced apart from the gate line to transmit a reference voltage; a second reference voltage line disposed on the gate line and the first reference voltage line and electrically connected to the first reference voltage line; an insulating layer disposed on the second reference voltage line; and a pixel electrode layer disposed on the insulating layer, wherein the pixel electrode layer includes a first pixel electrode having a first sub-pixel electrode disposed at a first side with respect to the gate line and a second sub-pixel electrode disposed at a second side opposite to the first side with respect to the gate line, and the second reference voltage line may overlap the first pixel electrode and may cross the first pixel electrode.
    Type: Application
    Filed: March 21, 2019
    Publication date: March 19, 2020
    Inventors: Kyung Ho KIM, Seong Young Lee, Yong Hee Lee, Byoung Sun Na, Sun Kwun Son
  • Publication number: 20200004069
    Abstract: A display device includes: a gate line (GL); a semiconductor pattern (SP) on the GL; a data line (DL); a voltage division reference line (VDRL); and first to third switching elements (SWE) overlapping the SP. The first SWE includes a first source electrode (SE) connected to the DL, a first drain electrode (DE) spaced apart from the first SE, and a first gate electrode (GE) connected to the GL. The second SWE includes a second SE connected to the DL, a second DE spaced apart from the second SE, and a second GE connected to the GL. The third SWE includes a third SE connected to the VDRL, a third DE connected to the second SE, and a third GE connected to the GL. The first SE, the first DE, the second SE, and the second DE are sequentially arranged across and on the SP in a first direction.
    Type: Application
    Filed: December 31, 2018
    Publication date: January 2, 2020
    Inventors: Kyung Ho KIM, Byoung Sun NA, Seong Young LEE
  • Publication number: 20190296048
    Abstract: A display device including a gate line, first and second data lines adjacent to each other in a first direction and crossing the gate line, a first transistor electrically connected to the gate line and the first data line, and a first pixel electrode electrically connected to the first transistor, in which the first pixel electrode includes a first sub-electrode and a second sub-electrode adjacent to each other in the first direction, the first sub-electrode includes a first longitudinal stem extending in a direction substantially parallel to the first data line and overlapping the first data line and a plurality of first branches connected to the first longitudinal stem, and the second sub-electrode includes a second longitudinal stem extending in a direction substantially parallel to the second data line and overlapping the second data line and a plurality of second branches connected to the second longitudinal stem.
    Type: Application
    Filed: September 20, 2018
    Publication date: September 26, 2019
    Inventors: Se Hyun LEE, Hak Sun CHANG, Byoung Sun NA, Seung Min LEE
  • Patent number: 10269298
    Abstract: A display device includes a plurality of pixels disposed in an display area, and a pixel driver connected to at least two of the pixels, wherein the pixel driver drives the at least two pixels, where a portion of the pixel driver is disposed in the display area, and the display device includes the display area, on which an image is displayed, and a non-display area, on which no image is displayed.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: April 23, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kee-Bum Park, Hyuk-Jin Kim, Byoung Sun Na