Patents by Inventor Sang-Myoung LEE

Sang-Myoung 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: 20160202581
    Abstract: A display device may include these elements: a first data line; a second data line; a first subpixel electrode positioned at a first half of the display device, connected to the first data line, and comprising a first member and a second member, the first member extending parallel to the first data line, the second member connecting directly to and extending perpendicular to the first member; and a second subpixel electrode positioned at a second half of the display device, connected to the second data line, and comprising a third member and a fourth member, the third member extending parallel to the second data line, the fourth member connecting directly to and extending perpendicular to the third member, wherein the second member and the fourth member are aligned and are positioned between the first member and the third member in a layout view of the display device.
    Type: Application
    Filed: May 12, 2015
    Publication date: July 14, 2016
    Inventors: Seung Jun YU, Ha Won YU, Ki Kyung YOUK, O Sung SEO, Su Wan WOO, Sang-Myoung LEE
  • Publication number: 20160204127
    Abstract: A method of manufacturing a display panel assembly includes: preparing a mother substrate on which are defined first regions and dummy regions respectively between adjacent first regions; forming pixel driving lines and pixels connected to the pixel driving lines on each of the first regions in a same process at the same time as forming circuit connection lines on each of the dummy regions; connecting a driving element which drives the pixels to the circuit connection lines of the dummy regions; dividing the mother substrate to separate the first regions and the dummy regions from each other, each of the separated first regions defining a thin film transistor board of the display panel assembly, and each of the separated dummy regions defining a driving circuit board of the display panel assembly; and connecting the driving circuit board to the thin film transistor board.
    Type: Application
    Filed: November 20, 2015
    Publication date: July 14, 2016
    Inventors: Sang-myoung LEE, Osung SEO, Seungjun YU
  • Publication number: 20160202575
    Abstract: A liquid crystal display device includes a display panel including: a lower display substrate on which a plurality of pixel electrodes are disposed in a matrix and data lines extend in a column direction between adjacent pixel electrodes; an upper display substrate on which a common electrode is disposed; and a liquid crystal layer disposed between the lower display substrate and the upper display substrate and including liquid crystal molecules. The display panel includes a plurality of unit pixels, each unit pixel including pixels having different colors, and each pixel including one of the pixel electrodes. A gap between neighboring unit pixels is larger than a gap between neighboring pixel electrodes within each unit pixel, and a data line positioned between the neighboring unit pixels has a portion having a width larger than that of a data line positioned between the neighboring pixel electrodes within each unit pixel.
    Type: Application
    Filed: September 3, 2015
    Publication date: July 14, 2016
    Inventors: Ki Kyung YOUK, Hyun-Ho KANG, O Sung SEO, Seung Jun YU, Ha Won YU, Yeo Geon YOON, Sang-Myoung LEE, Tae Kyung YIM
  • Publication number: 20160202535
    Abstract: A method of manufacturing a curved liquid crystal display is provided. The method includes forming a first display panel including a plurality of first patterns, forming a second display panel including a plurality of second patterns, assembling the first display panel and the second display panel, filling a liquid crystal between the assembled first and second display panels to form a flat liquid crystal display, and curving the flat liquid crystal display in a first direction to form the curved liquid crystal display. The first patterns and the second patterns are mismatched in the flat liquid crystal display, and the first patterns and the second patterns are matched in the curved liquid crystal display.
    Type: Application
    Filed: October 26, 2015
    Publication date: July 14, 2016
    Inventors: O Sung SEO, Hyun-Ho KANG, Young Goo SONG, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Sang-Myoung LEE, Tae Kyung YIM
  • Publication number: 20160195784
    Abstract: A curved liquid crystal display includes a first panel having a pixel electrode including crossed stem parts, a plurality of fine branch parts extending from the crossed stem parts, and fine slits positioned between fine branch parts adjacent to each other, a second panel having a common electrode, and a liquid crystal layer between the first panel and the second panel. Misalignment between the first panel and the second lower panel is determined and a pitch, which is a sum of a width of the fine branch part and a width of the fine slit, gradually increases from a region having a small misalignment toward a region having a large misalignment.
    Type: Application
    Filed: December 15, 2015
    Publication date: July 7, 2016
    Inventors: Hyun-Ho KANG, O. Sung SEO, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Yeo Geon YOON, Sang-Myoung LEE, Tae Kyung YIM
  • Publication number: 20160140919
    Abstract: A curved liquid crystal display (LCD) includes a curved liquid crystal panel assembly. The curved liquid crystal panel assembly includes: a lower panel including a first linear polarizer having a first polarization axis; an upper panel including a second linear polarizer having a second polarization axis, the second polarization axis cross the first polarization axis in a plan view; and a liquid crystal layer interposed between the lower panel and the upper panel. An angle formed by a first polarization axis and a second polarization axis does not meet at a right angle in a plan view.
    Type: Application
    Filed: March 9, 2015
    Publication date: May 19, 2016
    Inventors: Tae Kyung YIM, Hyun Ho KANG, O Sung SEO, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Yeo Geon YOON, Sang Myoung LEE
  • Patent number: 9329435
    Abstract: A display panel includes a first display substrate, a second display substrate facing the first display substrate and being coupled to the first display substrate, a liquid crystal layer interposed between the first display substrate and the second display substrate, an alignment layer disposed in a display area of at least one of the first and second display substrates, and a partition wall disposed in a peripheral area surrounding the display area of the first or second display substrate. The partition wall includes a body and a capping layer that covers an upper surface of the body. A width of the upper surface of the body is smaller than a width of the capping layer disposed on the body.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: May 3, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hwa Park, Swae-Hyun Kim, Seung Jun Yu, Sang-Myoung Lee, Hyunggi Jung, Kipyo Hong
  • Publication number: 20160118410
    Abstract: A display device including: a substrate including first and second sides which face and are parallel to each other, and third and fourth sides which are orthogonal to the first and second sides, and face each other; a gate driver and a data driver disposed along the first side of the substrate; a first diagonal gate line, which is extended in a first direction crossing directions in which the first to fourth sides are extended, and has both ends heading the second and fourth sides of the substrate; a gate pad part extended from one end of the first diagonal gate line adjacent to the second side; an insulation layer including an opening for exposing at least a partial area of the gate pad part and formed on the substrate; a redundancy line extended in a second direction parallel to a direction in which the third and fourth sides are extended, and connected to the gate driver; and a redundancy pad part extended from the redundancy line to be in direct contact with the gate pad part exposed through the opening.
    Type: Application
    Filed: July 2, 2015
    Publication date: April 28, 2016
    Inventors: Joong-gun Chong, O-Sung Seo, Seung-Jun Yu, Sang-Myoung Lee, Hyoung-Cheol Lee
  • Publication number: 20160109763
    Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: a first insulation substrate; a thin film transistor disposed on the first insulation substrate; a pixel electrode coupled to the thin film transistor; a second insulation substrate facing the first insulation substrate; and a common electrode disposed on the second insulation substrate. The pixel electrode includes a first subpixel electrode including a first vertical stem portion and a first horizontal stem portion that is disposed perpendicular to the first vertical stem portion at an end of the first vertical stem portion, and a second subpixel electrode including a second vertical stem portion and a second horizontal stem portion that is disposed perpendicular to the second vertical stem portion at an end of the second vertical step portion.
    Type: Application
    Filed: April 20, 2015
    Publication date: April 21, 2016
    Inventors: O Sung SEO, Hyun-Ho KANG, Young Goo SONG, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Sang Myoung LEE, Tae Kyung YIM
  • Publication number: 20160109738
    Abstract: A display panel includes a first display substrate, a second display substrate facing the first display substrate and coupled with the first display substrate, a liquid crystal layer interposed between the first display substrate and the second display substrate, and an alignment layer disposed at a display area of at least one display substrate selected from the first and second display substrates. The selected display substrate includes a first area provided with a surface having a hydrophobic property higher than a hydrophobic property of an area adjacent to the first area.
    Type: Application
    Filed: August 5, 2015
    Publication date: April 21, 2016
    Inventors: Junseok LEE, Seung jun YU, Sang-Myoung LEE, DoYeong PARK, SangWoo WHANGBO
  • Publication number: 20160109765
    Abstract: A curved display device according to an exemplary embodiment of the present system and method includes: a first insulation substrate; a gate line and a data line disposed on the first insulation substrate to cross each other; a thin film transistor coupled to the gate line and the data line; a pixel electrode disposed on the thin film transistor; a common electrode facing the pixel electrode; and a liquid crystal layer disposed between the pixel electrode and the common electrode and having liquid crystal molecules. The pixel electrode includes: a cross-shaped stem portion; minute branch portions extending from the cross-shaped stem portion; and minute slits disposed between the minute branch portions, wherein a width of the minute slit is greater than that of the minute branch portion.
    Type: Application
    Filed: May 12, 2015
    Publication date: April 21, 2016
    Inventors: Sang-Myoung LEE, Hyun-Ho KANG, O Sung SEO, Young Goo SONG, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Tae Kyung YIM
  • Publication number: 20160109769
    Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: a first insulation substrate; a thin film transistor; a pixel electrode; a second insulation substrate; and a common electrode. The pixel electrode includes a first subpixel electrode including a first horizontal stem portion and a first vertical stem portion perpendicular thereto at one end of the first horizontal stem portion and a second subpixel electrode including a second vertical stem portion and a second horizontal stem portion perpendicular thereto at one end of the second horizontal stem portion, a plurality of regions in which arrangements of liquid crystal molecules are respectively different are divided by the first horizontal stem portion, the first vertical stem portion, the second horizontal stem portion, and the second vertical stem portion, and each of the plurality of regions has a longest vertical length of less than about 100 ?m.
    Type: Application
    Filed: September 9, 2015
    Publication date: April 21, 2016
    Inventors: O Sung SEO, Hyun-Ho KANG, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Yeo Geon YOON, Sang-Myoung LEE, Tae Kyung YIM
  • Publication number: 20160109768
    Abstract: A display device according to an exemplary embodiment includes: a first insulation substrate; a thin film transistor disposed on the first insulation substrate; and a pixel electrode coupled to the thin film transistor. The pixel electrode includes a first subpixel electrode that is divided into two regions configured to arrange liquid crystal molecules while including one first horizontal stem portion, and a second subpixel electrode that includes a plurality of second horizontal stem portions.
    Type: Application
    Filed: April 9, 2015
    Publication date: April 21, 2016
    Inventors: Ha Won YU, Hyun Ho KANG, O Sung SEO, Seung Jun YU, Ki Kyung YOUK, Yeo Geon YOON, Sang Myoung LEE, Tae Kyung YIM
  • Publication number: 20160091743
    Abstract: A curved liquid crystal display according to an exemplary embodiment of the present system and method includes: a first substrate; a first thin film display layer disposed at an upper surface of the first substrate; a second substrate; a second thin film display layer disposed at a lower surface of the second substrate; a sealant disposed at an edge of the first substrate and the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate and sealed by the sealant, wherein the first thin film display layer and the second thin film display layer face each other, the first substrate and the second substrate are curved to have the same degree of curvature, and a thickness of a side surface of the second substrate is thinner than a thickness of a center portion of the second substrate.
    Type: Application
    Filed: March 2, 2015
    Publication date: March 31, 2016
    Inventors: Ha Won YU, Tae Kyung YIM, Hyun Ho KANG, O Sung SEO, Seung Jun YU, Ki Kyung YOUK, Sang Myoung LEE
  • Patent number: 9207494
    Abstract: A display device includes a display area and a non-display area, a first alignment layer disposed on a first substrate, a second alignment layer disposed on a second substrate, a liquid crystal layer disposed between the first alignment layer and the second alignment layer; and a groove disposed in the non-display area of the second substrate to correspond to at least a portion of an end portion of the second alignment layer. The groove is provided along at least one side of the display area and is configured to be filled by an alignment solution used to from the second alignment layer and prevent the alignment solution from dispersing to other areas of the second substrate.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: December 8, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Myoung Lee, Suwan Woo, Jang-Il Kim, Swae-Hyun Kim, Jae Hwa Park, Je Hyeong Park, Younggoo Song, Hyunggi Jung, Kipyo Hong, Sang Woo Whangbo
  • Patent number: 9128337
    Abstract: A display apparatus includes a display panel, and at least one flexible printed circuit board connected to the display panel. The display panel includes signal lines, pixels connected to the signal lines, and contact pads provided at one end of the signal lines. The flexible printed circuit board includes a fan-out part including a plurality of connection lines corresponding to the contact pads in a one-to-one correspondence, overlapping with the contact pads and connected to the contact pads, and a driving driver connected to the connection lines, the driving driver applying a driving signal to the pixels.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: September 8, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Myoung Lee, Namseok Roh, Kyungtae Chae, Hyung-Il Jeon, Joo-Han Bae, Jihoon Yang
  • Publication number: 20150131036
    Abstract: A liquid crystal display includes a first polarizing plate that includes a plurality of first areas to polarize a light and a second area disposed between the first areas to block the light, a pixel layer that includes a plurality of pixels and receives a first polarized light, a liquid crystal layer driven by the plurality of pixels and rotating a polarizing axis of the first polarized light to convert the first polarized light to a second polarized light having a polarizing axis substantially vertical to the polarizing axis of the first polarized light, and a second polarizing plate that transmits the second polarized light.
    Type: Application
    Filed: April 3, 2014
    Publication date: May 14, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: SEUNG JUN YU, Sang-Myoung LEE, JUNSEOK LEE, YOUNGGOO SONG, Sang Woo WHANGBO
  • Publication number: 20150103298
    Abstract: Embodiments relate to a liquid crystal display and a manufacturing method thereof, and more particularly, to a liquid crystal display including an alignment layer pattern and a manufacturing method thereof. The liquid crystal display includes a lower panel including a first alignment layer and a signal line. An upper panel faces the lower panel and uncovers an end portion of the signal line of the lower panel. A sealant is positioned between the lower panel and the upper panel and couples the lower panel and the upper panel with each other. The first alignment layer includes a coated region positioned between a first removed region overlapping the end portion of the signal line and a second removed region overlapping the sealant. The first alignment layer does not exist in the first removed region and the second removed region.
    Type: Application
    Filed: April 30, 2014
    Publication date: April 16, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Sang-Myoung LEE, Seung Jun YU, Do Yeong PARK, Young Goo SONG, Sang Woo WHANGBO
  • Publication number: 20150062512
    Abstract: A display panel includes a first display substrate, a second display substrate facing the first display substrate and being coupled to the first display substrate, a liquid crystal layer interposed between the first display substrate and the second display substrate, an alignment layer disposed in a display area of at least one of the first and second display substrates, and a partition wall disposed in a peripheral area surrounding the display area of the first or second display substrate. The partition wall includes a body and a capping layer that covers an upper surface of the body. A width of the upper surface of the body is smaller than a width of the capping layer disposed on the body.
    Type: Application
    Filed: March 7, 2014
    Publication date: March 5, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jae Hwa Park, Swae-Hyun Kim, Seung Jun Yu, Sang-Myoung Lee, Hyunggi Jung, Kipyo Hong
  • Publication number: 20150049273
    Abstract: A display panel includes a base substrate, a driving circuit, and a roof layer defining a cavity. A color filter is disposed on the base substrate to at least partially cover the driving circuit. The color filter is disposed at least on a pixel area and includes a depression positioned at least partially within a circuit area. A black matrix is disposed upon the depression of the color filter. The black matrix being upon the depression allows an inlet portion of the cavity to remain greater than a certain cross-sectional area.
    Type: Application
    Filed: January 17, 2014
    Publication date: February 19, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kipyo HONG, Jae Hwa PARK, Sang-Myoung LEE, Hyunggi JUNG, Sunghwan WON