Patents by Inventor Hye Ran You

Hye Ran You 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: 9466248
    Abstract: A LCD and a method of driving the LCD are provided. The LCD includes first and second gate lines extending in a first direction, a data line insulated from the first gate line and crossing the first gate line, a pixel electrode including first and second sub-pixel electrodes, the pixel electrode being disposed in a pixel having a long side in the first direction, a first thin film transistor (TFT) connected to the first gate line, the data line, and the first sub-pixel electrode, a second TFT connected to the first gate line, the data line, and the second sub-pixel electrode, and a third TFT connected to the second gate line, the second sub-pixel electrode, and a charge-sharing capacitor, the charge-sharing capacitor sharing a data voltage applied to the second sub-pixel electrode.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: October 11, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-ran You, Seung-beom Park, Yoon-sung Um, Jin-won Park, Hee-wook Do, Hoon Kim
  • Patent number: 9036122
    Abstract: An array substrate includes a lower substrate, a switching element and a pixel electrode. In the lower substrate, unit pixel areas are each divided into a plurality of domains. The switching element is disposed on the lower substrate and transmits a pixel signal. The pixel electrode is disposed on the unit pixel area and is electrically connected to the switching element. The pixel electrode includes a plurality of branch portions disposed thereon. A portion of the branch portions is longitudinally extended in a zigzag shape along different directions in correspondence with the domains.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: May 19, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su-Jeong Kim, Jang-Kun Song, Sung-Hwan Hong, Kee-Bum Park, Seon-Ah Cho, Hye-Ran You, Su-Han Woo, Jae-Jin Lyu, Eun Cho
  • Patent number: 8867003
    Abstract: A liquid crystal display device including a first substrate including a pixel electrode, a second substrate facing the first substrate and including a common electrode, and a liquid crystal layer interposed between the first substrate and the second substrate. The first substrate includes a storage capacitive line. The liquid crystal display device further includes a domain forming member that is formed over a first region corresponding to the storage capacitive line and a second region adjacent to the first region. The domain forming member is formed with irregular parts including a first irregular part having an enlarged width, a second irregular part having a reduced width, and an external irregular part, which is closest to the first region of the irregular parts formed in the second region and has an enlarged width.
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: October 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-hoo Yoo, Hee-wook Do, Mee-hye Jung, Sung-hoon Yang, Hyun-cheol Moon, Hye-ran You
  • Patent number: 8803777
    Abstract: In a display apparatus having a plurality of pixel parts, each pixel part receives a data signal in response to a present gate signal and charges first and second pixel voltages having the same voltage level. A plurality of voltage controllers includes a level-down part to lower a voltage level of the second pixel voltage using a previous pixel voltage charged in a previous frame in response to a next gate signal and a level-up part to receive the lowered second pixel voltage in response to the next gate signal to boost up a voltage level of the first pixel voltage.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: August 12, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Wook Do, Seung-Beom Park, Hoon Kim, Hye-Ran You, Jian Gang Lu, Hee-Seop Kim, Young-Chol Yang, Seoung-Hoon Lee
  • Publication number: 20130328850
    Abstract: A LCD and a method of driving the LCD are provided. The LCD includes first and second gate lines extending in a first direction, a data line insulated from the first gate line and crossing the first gate line, a pixel electrode including first and second sub-pixel electrodes, the pixel electrode being disposed in a pixel having a long side in the first direction, a first thin film transistor (TFT) connected to the first gate line, the data line, and the first sub-pixel electrode, a second TFT connected to the first gate line, the data line, and the second sub-pixel electrode, and a third TFT connected to the second gate line, the second sub-pixel electrode, and a charge-sharing capacitor, the charge-sharing capacitor sharing a data voltage applied to the second sub-pixel electrode.
    Type: Application
    Filed: August 14, 2013
    Publication date: December 12, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hye-ran You, Seung-beom Park, Yoon-sung Um, Jin-won Park, Hee-wook Do, Hoon Kim
  • Patent number: 8564753
    Abstract: A display substrate includes a base substrate and a unitary indivisible pixel electrode. The base substrate includes a gate line, a data line crossing the gate line and a thin-film transistor electrically connected to the gate line and the data line formed thereon. A pixel area is defined on the base substrate. The unitary indivisible pixel electrode includes a plurality of branch electrodes formed on the pixel area and a connection electrode connecting the branch electrodes to each other. Each of the branch electrodes includes a bent portion and the bent portions of adjacent branch electrodes are spaced apart from each other.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: October 22, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Ran You, Su-Han Woo, Su-Jeong Kim, Jae-Jin Lyu, Seung-Beom Park, Yoon-Sung Um
  • Patent number: 8551826
    Abstract: In a thin film transistor, first and second thin film transistors are connected to an Nth gate line and an Mth data line, and first and second sub pixel electrodes are connected to the first and second thin film transistors, respectively. A third thin film transistor includes a gate electrode connected to an (N+1)th gate line, a semiconductor layer overlapping with the gate electrode, a source electrode connected to the second sub pixel electrode and partially overlapping with the gate electrode, and a drain electrode facing the source electrode. A first auxiliary electrode is connected to the drain electrode and arranged on the same layer as the first and second sub pixel electrodes. An opposite electrode is arranged on the same layer as the gate line and at least partially overlaps with the first auxiliary electrode with at least one insulating layer disposed therebetween.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: October 8, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Sung Um, Hoon Kim, Hye-Ran You, Jae-Jin Lyu, Seung-Beom Park
  • Patent number: 8542227
    Abstract: In a display apparatus, pixels are arranged in a matrix defined by gate lines and data lines, and each pixel includes a first sub pixel charged to a first pixel voltage and a second sub pixel charged to a second pixel voltage having a same voltage level as the first pixel voltage. A voltage controller controls a voltage level of the first and second pixel voltages charged in the pixels corresponding to the first through penultimate pixel rows in response to a next gate signal. A dummy voltage controller controls a voltage level of the first and second pixel voltages charged in the pixels corresponding to the last pixel row in response to a dummy gate signal. Where a dummy voltage controller is not included, a black matrix partially covers the efficient display area of the pixels corresponding to the last pixel row.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: September 24, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Ran You, Hee-Wook Do, Seung-Hoo Yoo, Sung-Min Kang, Hoon Kim, Hyun-Cheol Moon, Ho-Kyoon Kwon
  • Patent number: 8520160
    Abstract: A LCD and a method of driving the LCD are provided. The LCD includes first and second gate lines extending in a first direction, a data line insulated from the first gate line and crossing the first gate line, a pixel electrode including first and second sub-pixel electrodes, the pixel electrode being disposed in a pixel having a long side in the first direction, a first thin film transistor (TFT) connected to the first gate line, the data line, and the first sub-pixel electrode, a second TFT connected to the first gate line, the data line, and the second sub-pixel electrode, and a third TFT connected to the second gate line, the second sub-pixel electrode, and a charge-sharing capacitor, the charge-sharing capacitor sharing a data voltage applied to the second sub-pixel electrode.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: August 27, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-ran You, Seung-beom Park, Yoon-sung Um, Jin-won Park, Hee-wook Do, Hoon Kim
  • Patent number: 8420302
    Abstract: A method of fine patterning a thin film and a method of manufacturing a display substrate by using the same, in which a fine photo pattern is formed on a base substrate, and a photoresist pattern is formed on the thin film. A fine photo pattern is formed by ashing the photoresist pattern. A fine pattern is formed by removing the thin film exposing through the fine photo pattern. A fine pattern is formed, and the fine pattern has a higher resolution than that of an exposure apparatus. The reliability of a process for manufacturing a display substrate and the display quality of a display device may be improved.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: April 16, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Sung Um, Su-Jeong Kim, Hye-Ran You, Jae-Jin Lyu, Seung-Beom Park
  • Patent number: 8395737
    Abstract: An array substrate includes a lower substrate, a switching element and a pixel electrode. In the lower substrate, unit pixel areas are each divided into a plurality of domains. The switching element is disposed on the lower substrate and transmits a pixel signal. The pixel electrode is disposed on the unit pixel area and is electrically connected to the switching element. The pixel electrode includes a plurality of slit portions disposed thereon. A portion of the slit portions is longitudinally extended in a zigzag shape along different directions in correspondence with the domains.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: March 12, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su-Jeong Kim, Jang-Kun Song, Sung-Hwan Hong, Kee-Bum Park, Seon-Ah Cho, Hye-Ran You, Su-Han Woo, Jae-Jin Lyu, Eun Cho
  • Patent number: 8330889
    Abstract: In a thin film transistor, first and second thin film transistors are connected to an Nth gate line and an Mth data line, and first and second sub pixel electrodes are connected to the first and second thin film transistors, respectively. A third thin film transistor includes a gate electrode connected to an (N+1)th gate line, a semiconductor layer overlapping with the gate electrode, a source electrode connected to the second sub pixel electrode and partially overlapping with the gate electrode, and a drain electrode facing the source electrode. A first auxiliary electrode is connected to the drain electrode and arranged on the same layer as the first and second sub pixel electrodes. An opposite electrode is arranged on the same layer as the gate line and at least partially overlaps with the first auxiliary electrode with at least one insulating layer disposed therebetween.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: December 11, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Sung Um, Hoon Kim, Hye-Ran You, Jae-Jin Lyu, Seung-Beom Park
  • Patent number: 8325305
    Abstract: In a method of driving a liquid crystal display (“LCD”) apparatus, a common voltage is applied to a common electrode above a liquid crystal layer and pixel voltages are applied to pixel electrodes under the liquid crystal layer to form an electrical field with the common electrode to control movements of liquid crystal molecules of the liquid crystal layer. Each of the pixel electrodes has slits. Then, a supplementary voltage is applied to a supplementary electrode between the slits of each pixel electrode to compensate the electric field formed by the pixel electrodes and the common electrode.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: December 4, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Ran You, Jae-Jin Lyu, Seung-Beom Park, Yoon-Sung Um
  • Patent number: 8314913
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a first insulation substrate; a pixel electrode formed on the first insulation substrate, and including a first subpixel electrode and a second subpixel electrode separated from each other; a second insulation substrate facing the first insulation substrate; a common electrode formed on the second insulation substrate and facing the pixel electrode; and a liquid crystal layer formed between the pixel electrode and the common electrode, and including a plurality of liquid crystal molecules, wherein the first and second subpixel electrodes respectively include a plurality of minute branches, and the minute branches of the first subpixel electrode and the minute branches of the second subpixel electrode are alternately disposed in a unit of at least one minute branch.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: November 20, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Sung Um, Su-Jeong Kim, Hye-Ran You, Jae-Jin Lyu
  • Publication number: 20120274623
    Abstract: In a display apparatus having a plurality of pixel parts, each pixel part receives a data signal in response to a present gate signal and charges first and second pixel voltages having the same voltage level. A plurality of voltage controllers includes a level-down part to lower a voltage level of the second pixel voltage using a previous pixel voltage charged in a previous frame in response to a next gate signal and a level-up part to receive the lowered second pixel voltage in response to the next gate signal to boost up a voltage level of the first pixel voltage.
    Type: Application
    Filed: July 3, 2012
    Publication date: November 1, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-Wook DO, Seung-Beom PARK, Hoon KIM, Hye-Ran YOU, Jian Gang LU, Hee-Seop KIM, Young-Chol YANG, Seung-Hoon LEE
  • Patent number: 8253901
    Abstract: A display device includes a light supplying unit generating light and a liquid crystal panel having a liquid crystal layer including liquid crystal molecules aligned substantially parallel to the plane of a pair of substrates by anti-parallel rubbing when no voltage is applied to the panel. Bias voltage corresponding to maximum gray level of the panel is determined between threshold voltage of the liquid crystal layer and 40% of maximum voltage.
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: August 28, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee-Wook Do, Seung-Hoo Yoo, Hoon Kim, Hyun-Cheol Moon, Hye-Ran You
  • Patent number: 8237646
    Abstract: In a display apparatus having a plurality of pixel parts, each pixel part receives a data signal in response to a present gate signal and charges first and second pixel voltages having the same voltage level. A plurality of voltage controllers includes a level-down part to lower a voltage level of the second pixel voltage using a previous pixel voltage charged in a previous frame in response to a next gate signal and a level-up part to receive the lowered second pixel voltage in response to the next gate signal to boost up a voltage level of the first pixel voltage.
    Type: Grant
    Filed: June 3, 2008
    Date of Patent: August 7, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee-Wook Do, Seung-Beom Park, Hoon Kim, Hye-Ran You, Jian Gang Lu, Hee-Seop Kim, Young-Chol Yang, Seung-Hoon Lee
  • Patent number: 8223282
    Abstract: A display apparatus including a plurality of gate lines, a data line intersecting the plurality of gate lines; a first pixel unit connected with a n-th gate line of the plurality of gate lines and the data line. A second pixel unit connected with a (n+1)-th gate line of the plurality of gate lines; and a coupling capacitor disposed between the first pixel unit and the second pixel unit, wherein the first pixel unit comprises a first liquid crystal capacitor and a first thin film transistor (TFT), the second pixel unit comprises a second liquid crystal capacitor and a second thin film transistor (TFT), and a source electrode and a drain electrode of the second TFT are connected with both electrodes of the coupling capacitor, respectively.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 17, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hye-ran You, Yoon-sung Um, Jae-jin Lyu, Seung-beom Park, Jin-won Park, Hoon Kim
  • Patent number: 8199088
    Abstract: In an array substrate, a method of manufacturing the array substrate, and a liquid crystal display (LCD) device having the array substrate, a pixel electrode includes an outline portion, connection portions, and slit portions. The outline portion is arranged toward a data line and a gate line thereon, and the connection portions extend in a direction that crosses the data line and the gate line, respectively, to connect to the outline portion. The slit portions protrude from side surfaces of the connection portions to connect to the outline portion. A shielding electrode is arranged toward the outline portion between the data line and the outline portion, and the gate line and the outline portion.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: June 12, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hye-Ran You, Yoon-Sung Um, Su-Jeong Kim, Jae-Jin Lyu, Seung-Beom Park
  • Patent number: 8194214
    Abstract: A liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a lower substrate and a pixel electrode. The pixel electrode is disposed in a pixel area of the first substrate, in which a first slit part extending along a first direction in a first zigzag shape and a second slit part extending along a second direction and passing through a first bent portion of the first slit part are disposed. The second slit part includes first edges opposite to each other which are inclined at a first angle. The second substrate includes an upper substrate and a common electrode. The common electrode is disposed on the upper substrate, in which a third slit part disposed between adjacent first slit parts and extended in a second zigzag shape is disposed.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: June 5, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon-Sung Um, Jae-Jin Lyu, Seung-Beom Park, Hye-Ran You