Patents by Inventor O-Sung Seo

O-Sung Seo 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: 9691788
    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: Grant
    Filed: April 9, 2015
    Date of Patent: June 27, 2017
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 9684209
    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: Grant
    Filed: March 2, 2015
    Date of Patent: June 20, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ha Won Yu, Tae Kyung Yim, Hyun Ho Kang, O Sung Seo, Seung Jun Yu, Ki Kyung Youk, Sang Myoung Lee
  • Patent number: 9645452
    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: Grant
    Filed: December 15, 2015
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    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
  • Patent number: 9646996
    Abstract: A thin film transistor array panel includes a first substrate, a gate line disposed on the first substrate and includes a lower layer including titanium, a middle layer including a transparent conductive material, and an upper layer including copper, a pixel electrode disposed on the first substrate and includes a lower layer including titanium, and an upper layer including the transparent conductive material, a gate insulating layer disposed on the gate line and the pixel electrode, a semiconductor layer disposed on the gate insulating layer, a data line and a drain electrode disposed on the semiconductor layer, a passivation layer which covers the data line and the drain electrode, and a common electrode disposed on the passivation layer.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: O Sung Seo, Tae Kyung Yim, Hyun-Ho Kang, Hyung June Kim
  • Patent number: 9588383
    Abstract: A display device includes a transistor, a data line, a pixel electrode, a common electrode, and a liquid crystal layer. The data line is connected to a source electrode of the transistor. A geometric radius of curvature associated with the display device is perpendicular to the data line. The pixel electrode is connected to a drain electrode of the transistor and includes a plate electrode. Sides of the plate electrode are oriented at acute angles with respect to the data line in a plan view associated with the display device. The common electrode overlaps the pixel electrode and has a slit. The slit has a first edge and a second edge. The first edge is perpendicular to the data line in the plan view and is longer than the second edge. The liquid crystal layer is positioned between the pixel electrode and the common electrode.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: March 7, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Il Kim, Sang-Myoung Lee, Yeo Geon Yoon, Hyun-Ho Kang, Un Byoll Ko, Sei-Yong Park, O Sung Seo, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Jung Wook Lee, Sung Hee Hong
  • Patent number: 9524990
    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: Grant
    Filed: July 2, 2015
    Date of Patent: December 20, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joong-gun Chong, O-Sung Seo, Seung-Jun Yu, Sang-Myoung Lee, Hyoung-Cheol Lee
  • Publication number: 20160320676
    Abstract: A liquid crystal display according to an exemplary embodiment of the present disclosure includes: a first substrate; a gate line formed on the first substrate and extended in a first direction; a data line extended in a second direction that is perpendicular to the gate line; switching elements connected to the gate line and the data line; a voltage-dividing reference voltage line connected to a switching element; a first sub-pixel electrode connected to a switching element; and a second sub-pixel electrode connected to a switching element, wherein the first sub-pixel electrode and the second sub-pixel electrode include one or more vertical stem parts formed on a left side or a right side thereof, and the voltage-dividing reference voltage line is formed to be parallel to the data line.
    Type: Application
    Filed: March 4, 2016
    Publication date: November 3, 2016
    Inventors: Sang-Myoung LEE, Hyun-Ho KANG, O Sung SEO, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Yeo Geon YOON
  • Publication number: 20160320646
    Abstract: A liquid crystal display according to an exemplary embodiment includes a display substrate including a display area for displaying an image and a non-display area enclosing the display area; a plurality of normal pixels formed in an edge region among a center region of the display area and a peripheral area of the display area, and a plurality of corner pixels formed in a corner region of the peripheral area of the display area; and a sealant formed in the non-display area. A corner pixel of the plurality of corner pixels and the sealant are separated from each other.
    Type: Application
    Filed: February 8, 2016
    Publication date: November 3, 2016
    Inventors: Sang-Myoung LEE, Seung Jun YU, O Sung SEO, Joong Gun CHONG
  • Publication number: 20160299388
    Abstract: A display device may include a first transistor, a second transistor, a third transistor, a data line, a pixel electrode member, and a reference voltage line. The first transistor includes a first source and a first drain. The second transistor includes a second source and a second drain. The third transistor includes a third drain. The data line is electrically connected to each of the first source and the second source. The pixel electrode member is electrically connected to the first drain. The reference voltage line is electrically connected to the third drain and includes a first bar and a second bar. The pixel electrode member overlaps both the first bar and the second bar. The first bar extends perpendicular to the data line. The second bar extends parallel to the data line and is directly connected to a center portion of the first bar.
    Type: Application
    Filed: April 7, 2016
    Publication date: October 13, 2016
    Inventors: Sang-Myoung LEE, Hyun-Ho KANG, O Sung SEO, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Yeo Geon YOON
  • Patent number: 9443881
    Abstract: A thin film transistor array panel includes a gate line, a gate insulating layer that covers the gate line, a semiconductor layer that is disposed on the gate insulating layer, a data line and drain electrode that are disposed on the semiconductor layer, a passivation layer that covers the data line and drain electrode and has a contact hole that exposes a portion of the drain electrode, and a pixel electrode that is electrically connected to the drain electrode through the contact hole. The data line and drain electrode each have a double layer that includes a lower layer of titanium and an upper layer of copper, and the lower layer is wider than the upper layer, and the lower layer has a region that is exposed. The gate insulating layer may have a step shape.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: September 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jean-Ho Song, Shin-Il Choi, Sun-Young Hong, Shi-Yul Kim, Ki-Yeup Lee, Jae-Hyoung Youn, Sung-Ryul Kim, O-Sung Seo, Yang-Ho Bae, Jong-Hyun Choung, Dong-Ju Yang, Bong-Kyun Kim, Hwa-Yeul Oh, Pil-Soon Hong, Byeong-Beom Kim, Je-Hyeong Park, Yu-Gwang Jeong, Jong-In Kim, Nam-Seok Suh
  • Publication number: 20160249464
    Abstract: An exemplary embodiment provides a curved display device in which occurrences of black mura are prevented or otherwise reduced. The curved display device according to the exemplary embodiment includes a curved display panel displaying images; a rear surface cover covering and supporting a rear surface of the curved display panel; and a flexible front surface chassis supporting the curved display panel.
    Type: Application
    Filed: February 23, 2016
    Publication date: August 25, 2016
    Inventors: Sang-Myoung LEE, Hyun-Ho KANG, O Sung SEO, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Yeo Geon YOON, Tae Kyung YIM
  • Publication number: 20160238908
    Abstract: A display device includes a transistor, a data line, a pixel electrode, a common electrode, and a liquid crystal layer. The data line is connected to a source electrode of the transistor. A geometric radius of curvature associated with the display device is perpendicular to the data line. The pixel electrode is connected to a drain electrode of the transistor and includes a plate electrode. Sides of the plate electrode are oriented at acute angles with respect to the data line in a plan view associated with the display device. The common electrode overlaps the pixel electrode and has a slit. The slit has a first edge and a second edge. The first edge is perpendicular to the data line in the plan view and is longer than the second edge. The liquid crystal layer is positioned between the pixel electrode and the common electrode.
    Type: Application
    Filed: June 25, 2015
    Publication date: August 18, 2016
    Inventors: Jang-Il KIM, Sang-Myoung LEE, Yeo Geon YOON, Hyun-Ho KANG, Un Byoll KO, Sei-Yong PARK, O Sung SEO, Seung Jun YU, Ha Won YU, Ki Kyung YOUK, Jung Wook LEE, Sung Hee HONG
  • 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: 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
  • Patent number: 9360728
    Abstract: A liquid crystal display panel is provided. The liquid crystal display panel includes a first substrate comprising a pixel area and a non-pixel area surrounding the pixel area, a thin-film transistor (TFT) disposed on the pixel area of the first substrate and a pixel electrode connected to the TFT, and a plurality of metal wirings disposed on the non-pixel area of the first substrate and one or more dummy patterns disposed adjacent to the metal wirings. The TFT includes a gate electrode, a source electrode, and a drain electrode, and the dummy patterns are formed of a same material as at least one of the gate source, the source electrode, and the drain electrode.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: June 7, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Ho Kang, Eun Kil Park, Hyung June Kim, O Sung Seo, 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
  • 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: 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