Patents by Inventor Hye-Seok Na

Hye-Seok 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: 11747945
    Abstract: An electronic device includes a display layer and a sensor layer on the display layer. The sensor layer includes an electrode and a cross electrode. The electrode includes a plurality of first portions spaced from each other in a first direction and a plurality of second portions between the plurality of first portions. The cross electrode includes a plurality of first cross portions spaced from each other in a second direction crossing the first direction and a plurality of second cross portions between the plurality of first cross portions. The second portion includes a first pattern portion extending in the first direction and a plurality of second pattern portions extending in the second direction. A first opening is in the plurality of first portions, a second opening is in the first pattern portion, and a size of the first opening is greater than a size of the second opening.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: September 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaeuk Choi, Yun-Ho Kim, Chui Kim, Hye-Seok Na, Soojung Lee
  • Patent number: 11609669
    Abstract: An electronic device includes a display layer, a sensor layer disposed on the display layer and including a first sensing pattern and a second sensing pattern spaced apart from the first sensing pattern. The first sensing pattern includes a first-first group including a first-first pattern and a first-second pattern spaced apart from the first-first pattern in a first oblique direction, a first-second group including a first-third pattern and a first-fourth pattern spaced apart from the first-third pattern in a second oblique direction crossing the first oblique direction. The second sensing pattern includes a second-first group adjacent to the first-first group and including a second-first pattern and a second-second pattern spaced apart from the second-first pattern in the second oblique direction and a second-second group including a second-third pattern and a second-fourth pattern spaced apart from the second-third pattern with the second-first group interposed therebetween in the first oblique direction.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: March 21, 2023
    Inventors: Hye-Seok Na, Younggu Kang, Hyun-Sung Park, Dongjin Seo, Yu Deok Seo
  • Patent number: 11600669
    Abstract: An electronic device includes: a display panel configured to display an image; an input sensor on the display panel and comprising a first sensing electrode and a second sensing electrode that is electrically insulated from the first sensing electrode, the input sensor being configured to sense a first input in a first mode and to sense a second input in a second mode; and an input device configured to provide the second input to the input sensor, wherein at least one of the first or second sensing electrodes comprises: a main mesh pattern in a crossing area in which the first and second sensing electrodes cross each other; and a sub mesh pattern in a non-crossing area on which the first and second sensing electrodes do not cross each other and which has a size different from that of the main mesh pattern.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: March 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Seok Na, Younggu Kang, Hyun-Sung Park, Dongjin Seo, Yu Deok Seo
  • Publication number: 20220365622
    Abstract: An electronic device includes a display layer and a sensor layer on the display layer. The sensor layer includes an electrode and a cross electrode. The electrode includes a plurality of first portions spaced from each other in a first direction and a plurality of second portions between the plurality of first portions. The cross electrode includes a plurality of first cross portions spaced from each other in a second direction crossing the first direction and a plurality of second cross portions between the plurality of first cross portions. The second portion includes a first pattern portion extending in the first direction and a plurality of second pattern portions extending in the second direction. A first opening is in the plurality of first portions, a second opening is in the first pattern portion, and a size of the first opening is greater than a size of the second opening.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 17, 2022
    Inventors: Jaeuk CHOI, Yun-Ho KIM, Chul KIM, Hye-Seok NA, Soojung LEE
  • Publication number: 20220334676
    Abstract: An electronic device includes a display layer, a sensor layer disposed on the display layer and including a first sensing pattern and a second sensing pattern spaced apart from the first sensing pattern. The first sensing pattern includes a first-first group including a first-first pattern and a first-second pattern spaced apart from the first-first pattern in a first oblique direction, a first-second group including a first-third pattern and a first-fourth pattern spaced apart from the first-third pattern in a second oblique direction crossing the first oblique direction. The second sensing pattern includes a second-first group adjacent to the first-first group and including a second-first pattern and a second-second pattern spaced apart from the second-first pattern in the second oblique direction and a second-second group including a second-third pattern and a second-fourth pattern spaced apart from the second-third pattern with the second-first group interposed therebetween in the first oblique direction.
    Type: Application
    Filed: January 24, 2022
    Publication date: October 20, 2022
    Inventors: HYE-SEOK NA, YOUNGGU KANG, HYUN-SUNG PARK, DONGJIN SEO, YU DEOK SEO
  • Patent number: 11402955
    Abstract: An electronic device includes a display layer and a sensor layer on the display layer. The sensor layer includes an electrode and a cross electrode. The electrode includes a plurality of first portions spaced from each other in a first direction and a plurality of second portions between the plurality of first portions. The cross electrode includes a plurality of first cross portions spaced from each other in a second direction crossing the first direction and a plurality of second cross portions between the plurality of first cross portions. The second portion includes a first pattern portion extending in the first direction and a plurality of second pattern portions extending in the second direction. A first opening is in the plurality of first portions, a second opening is in the first pattern portion, and a size of the first opening is greater than a size of the second opening.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: August 2, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaeuk Choi, Yun-Ho Kim, Chul Kim, Hye-Seok Na, Soojung Lee
  • Publication number: 20220020824
    Abstract: An electronic device includes: a display panel configured to display an image; an input sensor on the display panel and comprising a first sensing electrode and a second sensing electrode that is electrically insulated from the first sensing electrode, the input sensor being configured to sense a first input in a first mode and to sense a second input in a second mode; and an input device configured to provide the second input to the input sensor, wherein at least one of the first or second sensing electrodes comprises: a main mesh pattern in a crossing area in which the first and second sensing electrodes cross each other; and a sub mesh pattern in a non-crossing area on which the first and second sensing electrodes do not cross each other and which has a size different from that of the main mesh pattern.
    Type: Application
    Filed: June 14, 2021
    Publication date: January 20, 2022
    Inventors: HYE-SEOK NA, YOUNGGU KANG, HYUN-SUNG PARK, DONGJIN SEO, YU DEOK SEO
  • Publication number: 20210397298
    Abstract: An electronic device includes a display layer and a sensor layer on the display layer. The sensor layer includes an electrode and a cross electrode. The electrode includes a plurality of first portions spaced from each other in a first direction and a plurality of second portions between the plurality of first portions. The cross electrode includes a plurality of first cross portions spaced from each other in a second direction crossing the first direction and a plurality of second cross portions between the plurality of first cross portions. The second portion includes a first pattern portion extending in the first direction and a plurality of second pattern portions extending in the second direction. A first opening is in the plurality of first portions, a second opening is in the first pattern portion, and a size of the first opening is greater than a size of the second opening.
    Type: Application
    Filed: February 17, 2021
    Publication date: December 23, 2021
    Inventors: Jaeuk Choi, Yun-Ho Kim, Chul Kim, Hye-Seok Na, Soojung Lee
  • Patent number: 9715151
    Abstract: A liquid crystal display includes: first and second substrate opposite to each other; data lines on the first substrate which transmits a first voltage; a voltage transmitting line on the first substrate which transmits a second voltage; and first and second pixel electrodes on the first substrate and spaced apart from each other, where one of the first and second pixel electrodes is applied with the first voltage through the data lines, the other of the first and second pixel electrodes is applied with the second voltage through the voltage transmitting line, each of the first and second pixel electrodes includes a stem and branches electrodes extending from the stem, the branches of the first pixel electrode and the branches of the second pixel electrode are alternately disposed, and the stems of the first and second pixel electrodes overlap at least a portion of the voltage transmitting line.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 25, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Mee Hye Jung, Kook Hyun Choi, Hye Seok Na, Dong Gyu Kim, Young Hoon Yoo, Woo Sung Sohn, Sung Hoon Kim
  • Patent number: 9395580
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate and an opposing second substrate; a first pixel electrode and a second pixel electrode disposed in a pixel area, on the first substrate, and including a plurality of branch electrodes; and a liquid crystal layer interposed between the first and second electrodes. Branches electrode of the first pixel electrode and the second pixel electrode are interlaced. The first pixel electrode has an extension disposed adjacent to the center of the pixel area, and a minimum distance between the extension and the adjacent branch electrode is different from an average minimum between the adjacent branch electrodes.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: July 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mee-Hye Jung, Doo-Hwan You, Young-Hoon Yoo, Woo-Sung Sohn, Sung-Hoon Kim, Jae-Yong Shin, Se-Hyoung Cho, Hye-Seok Na, Hong-Jo Park, Hyang-Yul Kim
  • Patent number: 9153190
    Abstract: A gate driver that comprises n shift registers, wherein n is an integer equal to or larger than 1, each of the n shift registers includes; a start stage which outputs a gate signal and starts its operation in response to a start signal, and a plurality of subsequent stages which are connected to each other in sequence, and which sequentially output a plurality of gate signals in response to a signal output from the start stage, wherein at least one stage of the plurality of subsequent stages is reset by the start signal.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: October 6, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon-Il Ahn, Ho-Kyoon Kwon, Byoung-Sun Na, Dong-Hyon Ki, Seung-Soo Baek, Hye-Seok Na
  • Patent number: 9091890
    Abstract: A liquid crystal display including a pixel electrode; a gate line electrically connected to the pixel electrode through a thin film transistor of a plurality of thin film transistors; and a pair of first and second data lines disposed perpendicular to the gate line and facing each other with respect to the pixel electrode. Two neighboring pixel electrodes, which neighbor each other in a column direction, are electrically connected to the first and second data lines through thin film transistors of the plurality of thin film transistors, respectively. Each pixel electrode includes a first side disposed parallel to the gate line and a second side disposed parallel to the data lines, the second side having a length which is shorter than a length of the first side, and wherein a plurality of data voltages applied to a single data line of the pair of data lines have the same polarity during a period of one frame.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: July 28, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Gyu Kim, Hye-Seok Na
  • Publication number: 20150138495
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate and an opposing second substrate; a first pixel electrode and a second pixel electrode disposed in a pixel area, on the first substrate, and including a plurality of branch electrodes; and a liquid crystal layer interposed between the first and second electrodes. Branches electrode of the first pixel electrode and the second pixel electrode are interlaced. The first pixel electrode has an extension disposed adjacent to the center of the pixel area, and a minimum distance between the extension and the adjacent branch electrode is different from an average minimum between the adjacent branch electrodes.
    Type: Application
    Filed: January 16, 2015
    Publication date: May 21, 2015
    Inventors: Mee-Hye JUNG, Doo-Hwan YOU, Young-Hoon YOO, Woo-Sung SOHN, Sung-Hoon KIM, Jae-Yong SHIN, Se-Hyoung CHO, Hye-Seok NA, Hong-Jo PARK, Hyang-Yul KIM
  • Patent number: 8937699
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate and an opposing second substrate; a first pixel electrode and a second pixel electrode disposed in a pixel area, on the first substrate, and including a plurality of branch electrodes; and a liquid crystal layer interposed between the first and second electrodes. Branches electrode of the first pixel electrode and the second pixel electrode are interlaced. The first pixel electrode has an extension disposed adjacent to the center of the pixel area, and a minimum distance between the extension and the adjacent branch electrode is different from an average minimum between the adjacent branch electrodes.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: January 20, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mee-Hye Jung, Doo-Hwan You, Young-Hoon Yoo, Woo-Sung Sohn, Sung-Hoon Kim, Jae-Yong Shin, Se-Hyoung Cho, Hye-Seok Na, Hong-Jo Park, Hyang-Yul Kim
  • Patent number: 8836903
    Abstract: A liquid crystal display includes first and second substrates, and a liquid crystal layer disposed therebetween. First and second gate lines are disposed on the first substrate. First and second data lines, and a power line are disposed on the first substrate. A first switching element is connected to the first gate line and the first data line, a second switching element is connected to the first gate line and the power line, a third switching element is connected to the second gate line and the second data line, a first pixel electrode is connected to the first switching element, a second pixel electrode is connected to the second switching element, a third pixel electrode is connected to the second switching element, and a fourth pixel electrode is connected to the third switching element, and a gate-on voltage can be simultaneously applied to the first and second gate lines.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: September 16, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se-Hyoung Cho, Dong-Gyu Kim, Mee-Hye Jung, Dong-Hyeon Ki, Seung-Soo Baek, Hye-Seok Na
  • Patent number: 8823892
    Abstract: A liquid crystal display device includes a substrate, a gate line, first and second data lines, a first power line, first, second, third and fourth switching elements, and first, second, third and fourth pixel electrodes. The first switching element is connected to the gate line and the first data line. The second switching element is connected to the gate line and the first power line. The third switching element is connected to the gate line and the second data line. The fourth switching element is connected to the gate line and the first power line. The first to fourth pixel electrodes are connected to the first to fourth switching elements, respectively. Thus, a light leakage may be prevented and an aperture ratio of a display substrate may be enhanced.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: September 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Gyu Kim, Hye-Seok Na, Mee-Hye Jung, Dong-Hyeon Ki, Se-Hyoung Cho
  • Publication number: 20130194535
    Abstract: A liquid crystal display including a gate line electrically connected to first and second sub-pixel electrodes of a pixel electrode, a data line electrically connected to the first and second sub-pixel electrodes, a first storage electrode line having a first storage electrode overlapped with the first sub-pixel electrode, wherein a first storage voltage is applied to the first storage electrode line as a cyclic signal; and a second storage electrode line having a second storage electrode overlapped with the second sub-pixel electrode, wherein a second storage electrode voltage opposite in phase to the first storage electrode voltage is applied to the second storage electrode line as a cyclic signal, and the pixel electrode includes a first side parallel to the gate line and a second side parallel to the data line, a length of the second side is less than a length of the first side.
    Type: Application
    Filed: August 1, 2012
    Publication date: August 1, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-Gyu KIM, Hye-Seok NA
  • Patent number: 8477277
    Abstract: A display substrate includes a first shield pattern, a second shield pattern and a transparent electrode. The first shield pattern is disposed adjacent to a first data line. The second shield pattern is disposed adjacent to a second data line to face the first data line. The transparent electrode includes a first pixel electrode coupled to the first data line and the first shield pattern, and a second pixel electrode coupled to a first power line and the second shield pattern. The first pixel electrode and the second pixel electrode are disposed in an alternating arrangement. The transparent electrode is partially overlapped with at least one of the first data line or the second data line. In this approach, when a black image is displayed, light leakage can be prevented.
    Type: Grant
    Filed: May 4, 2010
    Date of Patent: July 2, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Gyu Kim, Hye-Seok Na
  • Patent number: 8451411
    Abstract: A first slit pattern is formed in a display substrate and a display panel of vertical alignment mode having the display substrate. The first slit pattern includes slits, a pair of projections and a pair of notches. A divergence point where the slits meet each other and an incision portion of the slits have the same function as the pair of projections in the generation of a singular point of liquid crystal. A contact hole exposing a part of an output electrode of a switching element is formed at a protective layer of an array substrate. A step recess is formed at a protective layer corresponding to a storage electrode, a divergence point of the slits is arranged to correspond to the storage electrode. The singular point of the liquid crystal is induced to occur at a regular position, and thus afterimages and spots can be prevented.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: May 28, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Seok Na, Byoung-Sun Na, Won-Hee Lee, Ho-Kyoon Kwon, Ji-Hyun Kwon
  • Patent number: 8368828
    Abstract: A liquid crystal display device includes; a plurality of data lines disposed on a substrate, a plurality of gate lines disposed substantially perpendicular to the data lines, wherein the data lines and the gate lines together surround a plurality of pixel regions, a plurality of power supplying lines disposed substantially parallel to the data lines, a plurality of pixel electrode pairs, wherein each of the pixel electrode pairs includes a first and a second pixel electrode respectively disposed in each pixel region, and a pixel driving circuit including at least one transistor and a plurality of storage capacitors in each pixel region, wherein the pixel electrode pairs have portions where the pixel electrode pairs and at least one of the plurality of data lines and the plurality of power supplying lines are vertically aligned with each other, and the storage capacitors are disposed at the vertically aligned portions.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: February 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mee-hye Jung, Dong-gyu Kim, Seung-soo Baek, Kwang-chul Jung, Sei-hyoung Jo, Hye-seok Na