Patents by Inventor Seong-Young Lee

Seong-Young Lee 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: 20210397056
    Abstract: A display device includes a substrate, a scan line disposed on the substrate, a storage line parallel to the scan line and a data line intersecting the scan line and the storage line. First and second transistors are electrically connected to the scan line and the data line. A first pixel electrode is disposed on the first transistor and includes a first stem portion, a first contact portion and a first branch portion. The first branch portion electrically connects the first contact portion to the first stem portion, a second pixel electrode is disposed on the second transistor and includes a second stem portion, a second contact portion and a second branch portion. The second branch portion electrically connects the second contact portion to the second stem portion. A first pattern is disposed between the substrate and the second pixel electrode. The first pattern overlaps the second branch portion.
    Type: Application
    Filed: March 15, 2021
    Publication date: December 23, 2021
    Inventors: Soo Hong CHEON, Seong Young LEE, Yong Hee LEE
  • Publication number: 20210335841
    Abstract: Embodiments of the current disclosure to provide a display device which can reduce the number of intersections of scan lines and data lines. According to an embodiment of the disclosure, a display device comprises: a substrate; scan lines extending along a first direction; data lines extending along a second direction that intersect the first direction; a first switching element; a first pixel electrode connected to a first source electrode of the first switching element; a second switching element; and a second pixel electrode connected to a second source electrode of the second switching element. The first pixel electrode and the second pixel electrode are disposed along the second direction, and a first source electrode and a first drain electrode of the first switching element extend along the second direction in an area overlapping a first active layer of the first switching element.
    Type: Application
    Filed: December 2, 2020
    Publication date: October 28, 2021
    Inventors: Seong Young LEE, Kyung Ho KIM, Ki Won PARK, Soo Hong CHEON
  • Patent number: 11067859
    Abstract: A liquid crystal display device may include a gate line, a data line, a storage electrode set, a transistor, a pixel electrode, and repair member. The gate line may transmit a gate signal. The data line may transmit a data signal. The transistor may include a gate electrode connected to the gate line, a source electrode connected to the data line, and a drain electrode connected to the pixel electrode. The drain electrode and the storage electrode set may overlap each other and form a storage capacitor. The repair member may be formed of an electrically conductive material, may be electrically insulated from each of the drain electrode and the data line, and may overlap the storage electrode set.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: July 20, 2021
    Inventors: Yoo Mi Ra, Seong Young Lee, Kyung Ho Kim, Na Hyeon Cha
  • Publication number: 20210215960
    Abstract: A liquid crystal display device includes a substrate, first through third thin-film transistors (“TFTs”) disposed on the substrate, and first and second sub-pixel electrodes disposed above the first through third TFTs. The second and third TFTs share a single output terminal as their output terminals, the first sub-pixel electrode is electrically connected to an output terminal of the first TFT, and the second sub-pixel electrode is electrically connected to the single output terminal of the second and third TFTs.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Inventors: Kye Uk LEE, Ja Yong KOO, Kee Bum PARK, Jae Yong SHIN, Seong Young LEE, Seul Bee LEE, Woong LEE
  • Patent number: 11054706
    Abstract: A display device includes: a substrate; a gate line disposed on the substrate and configured to transmit a gate signal; a reference voltage line disposed apart from the gate line and configured to transmit a reference voltage; an insulation layer disposed on the gate line and the reference voltage line; a pixel electrode layer including: a first sub-pixel electrode disposed on the insulation layer and located at a first side with reference to the gate line; and a second sub-pixel electrode disposed on the insulation layer and located at a second side opposite to the first side with reference to the gate line; and a conductive shield portion disposed on the gate line, wherein the gate line includes two parallel edges, an edge closer to the reference voltage line among the two parallel edges including a first edge, and wherein the conductive shield portion overlaps the first edge.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: July 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Hee Lee, Seong Young Lee, Kyung Ho Kim, Seung Min Lee, Na Hyeon Cha
  • 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
  • Patent number: 10962852
    Abstract: A liquid crystal display device includes a substrate, first through third thin-film transistors (“TFTs”) disposed on the substrate, and first and second sub-pixel electrodes disposed above the first through third TFTs. The second and third TFTs share a single output terminal as their output terminals, the first sub-pixel electrode is electrically connected to an output terminal of the first TFT, and the second sub-pixel electrode is electrically connected to the single output terminal of the second and third TFTs.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kye Uk Lee, Ja Yong Koo, Kee Bum Park, Jae Yong Shin, Seong Young Lee, Seul Bee Lee, Woong Lee
  • Publication number: 20210026209
    Abstract: An embodiment of the present inventive concept provides a liquid crystal display, including: a first gate line; a first data line crossing the first gate line; a first transistor including a gate electrode connected to the first gate line, a source electrode connected to the first data line, and a drain electrode; a first connecting line connected to the drain electrode; a first contact portion connected to the first connecting line; and a first pixel electrode connected to the first contact portion, wherein the first pixel electrode may be disposed between the first transistor and the first contact portion.
    Type: Application
    Filed: January 8, 2020
    Publication date: January 28, 2021
    Inventors: Dong Hee SHIN, Kyung Ho KIM, Yoo Mi RA, Seong Young LEE, Yong Hee LEE
  • 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: 20200285089
    Abstract: A display device including a substrate, a gate line, a reference voltage line, a data line, a first drain electrode separated from the data line, an insulating layer disposed on the data line and the first drain electrode, and a pixel electrode layer disposed on the insulating layer and including a pixel electrode and a light blocking electrode overlapping the data line, the pixel electrode includes a first sub-pixel electrode including a first extension part protruded toward the first drain electrode and a contact portion connected to one end of the first extension part, the first extension part of the first sub-pixel electrode has a first side parallel to a first side of the light blocking electrode, and an interval between the first sides of the first extension part and the light blocking electrode is less than about 4 ?m.
    Type: Application
    Filed: October 14, 2019
    Publication date: September 10, 2020
    Inventors: Yong Hee LEE, Kyung Ho KIM, Seong Young LEE, Seung Min LEE
  • Patent number: 10706796
    Abstract: A liquid crystal display includes a display panel, a data driver, and a scan driver. The display panel includes first and second pixel groups, each of having two pixels. The data driver is connected to the display panel via a plurality of data lines. The scan driver is connected to the display panel via a plurality of scan lines. The first pixel group is connected to one of the data lines. The second pixel group is connected to both the data line to which the first pixel group is connected and a data line adjacent to the data line to which the first pixel group is connected.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seon Kyoon Mok, Seong Young Lee, Hyung Jun Park, Dong Hyun Yoo, Kyung Hoe Lee, Hwan Young Jang, Chang Won Jeong
  • Publication number: 20200103688
    Abstract: A display device includes: a substrate; a gate line disposed on the substrate and configured to transmit a gate signal; a reference voltage line disposed apart from the gate line and configured to transmit a reference voltage; an insulation layer disposed on the gate line and the reference voltage line; a pixel electrode layer including: a first sub-pixel electrode disposed on the insulation layer and located at a first side with reference to the gate line; and a second sub-pixel electrode disposed on the insulation layer and located at a second side opposite to the first side with reference to the gate line; and a conductive shield portion disposed on the gate line, wherein the gate line includes two parallel edges, an edge closer to the reference voltage line among the two parallel edges including a first edge, and wherein the conductive shield portion overlaps the first edge.
    Type: Application
    Filed: April 5, 2019
    Publication date: April 2, 2020
    Inventors: Yong Hee LEE, Seong Young LEE, Kyung Ho KIM, Seung Min LEE, Na Hyeon CHA
  • 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: 20200064663
    Abstract: A liquid crystal display device may include a gate line, a data line, a storage electrode set, a transistor, a pixel electrode, and repair member. The gate line may transmit a gate signal. The data line may transmit a data signal. The transistor may include a gate electrode connected to the gate line, a source electrode connected to the data line, and a drain electrode connected to the pixel electrode. The drain electrode and the storage electrode set may overlap each other and form a storage capacitor. The repair member may be formed of an electrically conductive material, may be electrically insulated from each of the drain electrode and the data line, and may overlap the storage electrode set.
    Type: Application
    Filed: March 29, 2019
    Publication date: February 27, 2020
    Inventors: Yoo Mi RA, Seong Young LEE, Kyung Ho KIM, Na Hyeon CHA
  • Patent number: 10571770
    Abstract: A liquid crystal display includes a display panel including first and second subpixels, where the first subpixel includes a first switching device including a first electrode connected to the j-th data line, a second electrode connected to a first subpixel electrode and a gate electrode connected to an i-th gate line, the second subpixel includes a second switching device including a first electrode connected to a j-th data line, a second electrode connected to a second subpixel electrode and a gate electrode connected to the i-th gate line, a third switching device including a first electrode connected to the second subpixel electrode and a gate electrode connected to the i-th gate line, and a fourth switching device including a first electrode connected to the j-th data line, a second electrode connected to the first electrode of the third switching device and a gate electrode connected to the i-th gate line.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keum Dong Jung, Seung Hwan Moon, Seong Young Lee
  • Publication number: 20200041855
    Abstract: A display device includes: a substrate; a first transistor and a second transistor disposed on the substrate; a first sub-pixel electrode electrically connected to a first drain electrode of the first transistor; a second sub-pixel electrode electrically connected to a second drain electrode of the second transistor; and color filter layers disposed between the first and second transistors and the first and second sub-pixel electrodes, the color filter layers including: a first color filter overlapping the first transistor and the first sub-pixel electrode, the first color filter representing a first color, and a first color filter pattern representing a second color different from the first color, the first color filter pattern overlapping the first transistor and the second transistor.
    Type: Application
    Filed: March 6, 2019
    Publication date: February 6, 2020
    Inventors: Na Hyeon CHA, Seong Young LEE, Kyung Ho KIM, Hae Jin KIM, Yong Hee LEE
  • Publication number: 20200020723
    Abstract: A liquid crystal display includes: first and second thin film transistors and a compensation transistor formed on a first insulation substrate; a first gray subpixel electrode connected to a drain electrode of the first thin film transistor; a second gray subpixel electrode connected to a drain electrode of the compensation transistor and a drain electrode of the second thin film transistor; and first and second reference voltage lines overlapping at least one of the second gray subpixel electrode and the first gray subpixel electrode, wherein a pixel area occupied by the first gray subpixel electrode and the second gray subpixel electrode is extended in a first direction, the first and second reference voltage lines are extended in a second direction, which is substantially perpendicular to the first direction, to overlap the pixel area, and one of the first and second reference voltage lines is connected to a source electrode of the compensation transistor.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 16, 2020
    Inventors: YOUN HAK JEONG, Bo Yeong Kim, Jang soo Kim, Hong Min Yoon, Seong Young Lee, Ho Jun Lee
  • 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
  • Patent number: 10497305
    Abstract: An apparatus and method of preventing signal delay in a display device according to the present invention includes a first substrate, a driving portion formed on the first substrate, a plurality of signal lines formed on the first substrate to transmit signals to the driving portion, a second substrate facing the first substrate, and a conductive member formed on the second substrate, wherein the driving portion overlaps with the conductive member, and the signal lines overlap with the conductive member at a position outside a display area. Accordingly, the capacitances between the signal lines may be substantially the same.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: December 3, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon-Il Ahn, Seung-Soo Baek, Seong-Young Lee, Kee-Bum Park
  • Patent number: 10424600
    Abstract: A liquid crystal display includes: first and second thin film transistors and a compensation transistor formed on a first insulation substrate; a first gray subpixel electrode connected to a drain electrode of the first thin film transistor; a second gray subpixel electrode connected to a drain electrode of the compensation transistor and a drain electrode of the second thin film transistor; and first and second reference voltage lines overlapping at least one of the second gray subpixel electrode and the first gray subpixel electrode, wherein a pixel area occupied by the first gray subpixel electrode and the second gray subpixel electrode is extended in a first direction, the first and second reference voltage lines are extended in a second direction, which is substantially perpendicular to the first direction, to overlap the pixel area, and one of the first and second reference voltage lines is connected to a source electrode of the compensation transistor.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: September 24, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youn Hak Jeong, Bo Yeong Kim, Jang Soo Kim, Hong Min Yoon, Seong Young Lee, Ho Jun Lee