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).
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Patent number: 11740519Abstract: 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: GrantFiled: November 3, 2020Date of Patent: August 29, 2023Assignee: Samsung Display Co., Ltd.Inventors: Na Hyeon Cha, Si Hyun Ahn, Byoung Sun Na, Sun Kwun Son
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Publication number: 20230142014Abstract: 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: ApplicationFiled: September 21, 2022Publication date: May 11, 2023Applicant: Samsung Display Co., LTD.Inventors: Kwi Hyun KIM, Byoung Sun NA, Sang Yong NO, Jong Woong CHANG, Chong Chul CHAI
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Publication number: 20220115495Abstract: 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: ApplicationFiled: September 2, 2021Publication date: April 14, 2022Inventors: Dong Hee SHIN, Byoung Sun NA, Yong Hee LEE
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Patent number: 11282464Abstract: 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: GrantFiled: September 11, 2020Date of Patent: March 22, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kee-Bum Park, Hyuk-Jin Kim, Byoung Sun Na
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Patent number: 11221509Abstract: 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: GrantFiled: May 14, 2020Date of Patent: January 11, 2022Assignee: 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
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Patent number: 11215866Abstract: 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: GrantFiled: February 5, 2020Date of Patent: January 4, 2022Assignee: Samsung Display Co., Ltd.Inventors: Dong Hee Shin, Byoung Sun Na, Yoo Mi Ra
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Publication number: 20210208463Abstract: 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: ApplicationFiled: November 3, 2020Publication date: July 8, 2021Inventors: Na Hyeon CHA, Si Hyun AHN, Byoung Sun NA, Sun Kwun SON
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Patent number: 10976628Abstract: 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: GrantFiled: December 31, 2018Date of Patent: April 13, 2021Assignee: Samsung Display Co., Ltd.Inventors: Kyung Ho Kim, Byoung Sun Na, Seong Young Lee
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Publication number: 20200410941Abstract: 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: ApplicationFiled: September 11, 2020Publication date: December 31, 2020Inventors: Kee-Bum PARK, Hyuk-Jin KIM, Byoung Sun NA
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Publication number: 20200379294Abstract: 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: ApplicationFiled: February 5, 2020Publication date: December 3, 2020Inventors: Dong Hee SHIN, Byoung Sun NA, Yoo Mi RA
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Patent number: 10825840Abstract: 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: GrantFiled: March 4, 2016Date of Patent: November 3, 2020Inventors: Byoung-Sun Na, Ju-Hee Lee, Won-Hee Lee, Ho-Kyoon Kwon
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Patent number: 10811437Abstract: 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: GrantFiled: September 20, 2018Date of Patent: October 20, 2020Assignee: Samsung Display Co., Ltd.Inventors: Se Hyun Lee, Hak Sun Chang, Byoung Sun Na, Seung Min Lee
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Patent number: 10783833Abstract: 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: GrantFiled: June 28, 2016Date of Patent: September 22, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kee-Bum Park, Hyuk-Jin Kim, Byoung Sun Na
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Patent number: 10775676Abstract: 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: GrantFiled: March 21, 2019Date of Patent: September 15, 2020Assignee: Samsung Display Co., Ltd.Inventors: Kyung Ho Kim, Seong Young Lee, Yong Hee Lee, Byoung Sun Na, Sun Kwun Son
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Publication number: 20200271988Abstract: 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: ApplicationFiled: May 14, 2020Publication date: August 27, 2020Inventors: 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
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Patent number: 10698250Abstract: 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: GrantFiled: August 7, 2018Date of Patent: June 30, 2020Assignee: 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
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Publication number: 20200089068Abstract: 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: ApplicationFiled: March 21, 2019Publication date: March 19, 2020Inventors: Kyung Ho KIM, Seong Young Lee, Yong Hee Lee, Byoung Sun Na, Sun Kwun Son
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Publication number: 20200004069Abstract: 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: ApplicationFiled: December 31, 2018Publication date: January 2, 2020Inventors: Kyung Ho KIM, Byoung Sun NA, Seong Young LEE
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Publication number: 20190296048Abstract: 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: ApplicationFiled: September 20, 2018Publication date: September 26, 2019Inventors: Se Hyun LEE, Hak Sun CHANG, Byoung Sun NA, Seung Min LEE
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Patent number: 10269298Abstract: 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: GrantFiled: June 28, 2016Date of Patent: April 23, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kee-Bum Park, Hyuk-Jin Kim, Byoung Sun Na