Patents by Inventor Jae-Jin Lyu

Jae-Jin Lyu 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).

  • LIQUID CRYSTAL DISPLAY
    Publication number: 20140152949
    Abstract: A liquid crystal display including a first substrate; a second substrate facing the first substrate; a first field generating electrode disposed on the first substrate; a second field generating electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, the liquid crystal layer including a liquid crystal and an alignment assistant, wherein the alignment assistant includes a mesogen and two or more photo-polymerizable groups.
    Type: Application
    Filed: February 4, 2014
    Publication date: June 5, 2014
    Applicant: Samsung Display Co., LTD.
    Inventors: Jun-Hyup LEE, Jae-Jin LYU
  • Liquid crystal display and method for manufacturing the same
    Patent number: 8698991
    Abstract: A method for manufacturing a liquid crystal display (“LCD”) includes; disposing a gate line including a gate electrode on a substrate, disposing a gate insulating layer on the gate line, disposing a data layer including a data line, source electrode and a drain electrode facing the source electrode on the gate insulating layer, disposing a color filter on the gate insulating layer, disposing an overcoat layer on the color filter, disposing a planarization layer on a portion of the overcoat layer corresponding to the gate line, the data line and the drain electrode, and disposing a pixel electrode in contacted with the overcoat layer in a region corresponding to the color filter.
    Type: Grant
    Filed: January 3, 2013
    Date of Patent: April 15, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su-Jeong Kim, Seung-Beom Park, Jae-Jin Lyu, Keun-Chan Oh, Yoon-Sung Um
  • Liquid crystal display
    Patent number: 8685502
    Abstract: A liquid crystal display including a first substrate; a second substrate facing the first substrate; a first field generating electrode disposed on the first substrate; a second field generating electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, the liquid crystal layer including a liquid crystal and an alignment assistant, wherein the alignment assistant includes a mesogen and two or more photo-polymerizable groups.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: April 1, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Hyup Lee, Jae-Jin Lyu
  • APPARATUS OF COUPLING SUBSTRATES FOR ELECTROWETTING DISPLAY PANEL AND METHOD OF COUPLING SUBSTRATES FOR ELECTROWETTING DISPLAY USING THE SAME
    Publication number: 20140075742
    Abstract: An apparatus that couples a first substrate and a second substrate of an electrowetting display panel, the apparatus comprising a first chuck provided with a first support surface and a second chuck provided with a second support surface opposite to the first support surface and positioned beneath the first chuck. The second support surface is smaller than the first support surface and is positioned in a plane parallel to a plane that includes the first support surface.
    Type: Application
    Filed: August 30, 2013
    Publication date: March 20, 2014
    Applicant: Amazon Technologies, Inc.
    Inventors: Kwangho Lee, Myunghwan Park, Jinbo Shim, Choisang Park, Jae-Jin Lyu
  • LIQUID CRYSTAL DISPLAY
    Publication number: 20140063395
    Abstract: The present invention relates to a liquid crystal display including a pixel electrode including a first subpixel electrode and a second subpixel electrode spaced apart with a gap therebetween, a common electrode 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. The first and second subpixel electrodes include a plurality of branches, and each of the first and second subpixel electrodes includes a plurality of subregions. The branches extend in different directions in different subregions.
    Type: Application
    Filed: November 12, 2013
    Publication date: March 6, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Mee-Hye JUNG, Ji-Won Sohn, Jae-Jin Lyu, Chong-Chul Chai
  • Display device including sensing elements and driving method thereof
    Patent number: 8633899
    Abstract: A display device includes a plurality of touch sensors and a touch sensor controller. The touch sensor controller defines sensing units. Each of the sensing units includes at least two touch sensors. The touch sensor controller generates coordinates information of the sensing unit when all of the touch sensors of the sensing unit are generating an output signal or at least one of the touch sensors of the sensing unit is generating an output signal.
    Type: Grant
    Filed: November 16, 2007
    Date of Patent: January 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon Sung Um, Jae Jin Lyu, Seung Beom Park
  • Display substrate, method of manufacturing the display substrate and liquid crystal display device having the display substrate
    Patent number: 8625061
    Abstract: A display substrate includes a base substrate, a reflective layer, a common electrode and a pixel electrode. The base substrate includes a pixel area having a transmissive area and a reflective area. The reflective layer is disposed in the reflective area of the base substrate. The common electrode includes a first sub-common electrode formed in the reflective area and a second sub-common electrode formed in the transmissive area. The pixel electrode includes a first sub-pixel electrode spaced apart from the first sub-common electrode by a first distance in the reflective area, and a second sub-pixel electrode spaced apart from the second sub-common electrode by a second distance less than the first distance in the transmissive area.
    Type: Grant
    Filed: November 5, 2009
    Date of Patent: January 7, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keun-Chan Oh, Joo-Seok Yeom, Youn-Hak Jeong, Hee-Hwan Lee, Jae-Jin Lyu
  • Liquid crystal display
    Patent number: 8610866
    Abstract: The present invention relates to a liquid crystal display including a pixel electrode including a first subpixel electrode and a second subpixel electrode spaced apart with a gap therebetween, a common electrode 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. The first and second subpixel electrodes include a plurality of branches, and each of the first and second subpixel electrodes includes a plurality of subregions. The branches extend in different directions in different subregions.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: December 17, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mee-Hye Jung, Ji-Won Sohn, Jae-Jin Lyu, Chong-Chul Chai
  • Display substrate having pixel electrode with branch electrode including bent portion, display device having the same and method of manufacturing the display substrate
    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
  • SUBSTRATE FOR AN ELECTROWETTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SUBSTRATE
    Publication number: 20130271816
    Abstract: A substrate for an electrowetting display device including a pixel electrode, a partition wall pattern and a water-repellent pattern. The pixel electrode is formed on a base substrate. The partition wall pattern is disposed along an edge of the pixel electrode to expose the pixel electrode. The water-repellent pattern is disposed at a space formed by the pixel electrode and the partition wall pattern to be extended along a lower portion of side surfaces of the partition wall pattern from an area on which the pixel electrode is formed. The water-repellent pattern exposes an upper portion of the side surfaces and an upper surface of the partition wall pattern. Thus, a manufacturing reliability of a substrate for an electrowetting display device is improved to prevent a display quality from being reduced.
    Type: Application
    Filed: August 31, 2012
    Publication date: October 17, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seung Bo SHIM, Jin-Ho Ju, Dae Ho Kim, Sang-Il Kim, Sung-Kyun Park, Jae-Jin Lyu
  • LIQUID CRYSTAL DISPLAY
    Publication number: 20130265517
    Abstract: The present invention relates to a liquid crystal display including a pixel electrode including a first subpixel electrode and a second subpixel electrode spaced apart with a gap therebetween, a common electrode 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. The first and second subpixel electrodes include a plurality of branches, and each of the first and second subpixel electrodes includes a plurality of subregions. The branches extend in different directions in different subregions.
    Type: Application
    Filed: June 3, 2013
    Publication date: October 10, 2013
    Inventors: Mee-Hye JUNG, Ji-Won SOHN, Jae-Jin LYU, Chong-Chul CHAI
  • Thin film transistor substrate, liquid crystal display having the same, and method of manufacturing the same
    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
  • ELECTROWETTING DEVICE
    Publication number: 20130201547
    Abstract: An electrowetting device includes: a lower substrate and an upper substrate which face each other; a first electrode on the lower substrate; an insulating layer on the first electrode; a second electrode on the upper substrate; and a first fluid and a second fluid between the upper substrate and the lower substrate. The first fluid includes a solvent, a dye and a scattering enhancer.
    Type: Application
    Filed: July 31, 2012
    Publication date: August 8, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeon Gu CHO, Yung Kyung PARK, Jae Jin LYU
  • Liquid crystal display
    Patent number: 8462305
    Abstract: The present invention relates to a liquid crystal display including a pixel electrode including a first subpixel electrode and a second subpixel electrode spaced apart with a gap therebetween, a common electrode 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. The first and second subpixel electrodes include a plurality of branches, and each of the first and second subpixel electrodes includes a plurality of subregions. The branches extend in different directions in different subregions.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: June 11, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mee-Hye Jung, Ji-Won Sohn, Jae-Jin Lyu, Chong-Chul Chai
  • Display device and control method of the same
    Patent number: 8427467
    Abstract: A display device including a first gate line and a second gate line that extend in parallel with each other, a data line crossing the first and second gate lines to form a pixel region, a pixel electrode in the pixel region and including a main pixel electrode and a sub pixel electrode, which are connected to the first gate line and the data line, a control thin film transistor connected to the second gate line and the sub pixel electrode, and a gate driver. The gate driver outputs a first gate signal to the first gate line and a second gate signal to the second gate line. The first gate signal activates the first gate line during a first time and a second time following the first time, and the second gate signal activates the second gate line during the first time but not the second time.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: April 23, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Sung Um, Jae-Jin Lyu, Seung-Beom Park, Dong-Gi Seong, Kang-Woo Kim
  • Method of fine patterning a thin film and method of manufacturing a display substrate using the method
    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
  • Array substrate and display device having the same
    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
  • Display panel and method for manufacturing the same
    Patent number: 8390767
    Abstract: A method of manufacturing a display panel, the method includes forming a display panel including a first substrate, the first substrate including a pixel electrode disposed thereon, a second substrate including a common electrode disposed thereon, and a liquid crystal layer interposed between the first and the second substrates, the liquid crystal layer including a plurality of liquid crystal molecules and a plurality of ultraviolet (“UV”)-curable particles; and curing a portion of the UV-curable particles by irradiating light on the display panel, wherein an exposure voltage, which is greater than a maximum data voltage corresponding to maximum grayscale data of the display panel, is applied between the pixel electrode and the common electrode. Also described is a display panel.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: March 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Jae Kim, Jae-Jin Lyu, Seung-Beom Park, Ji-Won Sohn, Jun-Hyup Lee, Myeong-Ha Kye, Hoon Kim, Min-Goo Seok
  • Display substrate, method of manufacturing the same and method of manufacturing display panel
    Patent number: 8377614
    Abstract: In a method of manufacturing a display substrate and a method of manufacturing a display panel, the display substrate includes a color filter layer disposed on a base substrate within a pixel area, a first organic insulating pattern disposed on a first boundary area between adjacent pixel areas, a pixel electrode disposed on the color filter layer, and a first blocking pattern disposed on the first organic insulating pattern. Accordingly, an organic insulating layer corresponding to the pixel area is removed so that deterioration of the display quality by impurities generated from the organic insulating layer may be minimized. In addition, a stepped portion of a blocking pattern disposed between a pixel area and a boundary area of a plurality of the pixel areas is reduced so that motion blurring of a liquid crystal may be prevented.
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: February 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Hyup Lee, Jae-Jin Lyu
  • Liquid crystal display and method for manufacturing the same
    Patent number: 8368862
    Abstract: A method for manufacturing a liquid crystal display (“LCD”) includes; disposing a gate line including a gate electrode on a substrate, disposing a gate insulating layer on the gate line, disposing a data layer including a data line, source electrode and a drain electrode facing the source electrode on the gate insulating layer, disposing a color filter on the gate insulating layer, disposing an overcoat layer on the color filter, disposing a planarization layer on a portion of the overcoat layer corresponding to the gate line, the data line and the drain electrode, and disposing a pixel electrode in contacted with the overcoat layer in a region corresponding to the color filter.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: February 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su-Jeong Kim, Seung-Beom Park, Jae-Jin Lyu, Keun-Chan Oh, Yoon-Sung Um