Patents by Inventor Se-Hyun Lee

Se-Hyun 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: 20160202572
    Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.
    Type: Application
    Filed: February 23, 2016
    Publication date: July 14, 2016
    Inventors: Hak Sun CHANG, Eun-Kil PARK, Hyun-Ho KANG, Jang Wi RYU, Seung-Suk YANG, Ki Chul SHIN, Se Hyun LEE, Jae-Soo JANG, Hyo Ju JUNG
  • Publication number: 20160202568
    Abstract: Provided is a liquid crystal display including: a first insulation substrate; a thin film transistor positioned on the first insulation substrate; a first subpixel electrode positioned on the thin film transistor and to which a first voltage is applied; a second subpixel electrode positioned on the thin film transistor and to which a second voltage is applied; a second insulation substrate facing the first insulation substrate; a common electrode positioned on the second insulation substrate and receiving a common voltage; and a liquid crystal layer disposed between the first insulation substrate and the second insulation substrate, in which the first subpixel electrode includes a plate region and a minute branch region overlapping the plate region with a passivation layer between the plate region and the minute branch region, and the plate region and the second subpixel electrode are positioned on a same layer.
    Type: Application
    Filed: October 20, 2015
    Publication date: July 14, 2016
    Inventors: Se Hyun LEE, Ka Eun KIM, Cheol SHIN, Hak Sun CHANG, Ki Chul SHIN
  • Publication number: 20160202569
    Abstract: A liquid crystal display (LCD) may include: a lower display panel having a pixel electrode positioned therein, the pixel electrode including one or more pixel unit electrodes; an upper display panel having a common electrode positioned therein, the common electrode including one or more common unit electrodes; and a liquid crystal layer positioned between the lower display panel and the upper display panel. The pixel unit electrode may include a plate part and fine branches extending from the plate part, the common unit electrode may include a cross-shaped opening, and a vertical opening of the cross-shaped opening is completely covered by the plate part without extending to an edge of the polygonal shape of the plate part.
    Type: Application
    Filed: December 11, 2015
    Publication date: July 14, 2016
    Inventors: Se Hyun LEE, Cheol SHIN, Hak Sun CHANG, Ka Eun KIM, Ki Chul SHIN
  • Publication number: 20160195781
    Abstract: A liquid crystal display device includes: a first substrate; a pixel electrode formed on the first substrate; a second substrate corresponding to the first substrate; and a common electrode formed on the second substrate. The pixel electrode includes: a central electrode, an outer portion connected to the central electrode and extending along an edge of the pixel electrode; and a fine branch portion extending from a side of the central electrode and spaced apart from the outer portion, wherein a cross-shaped opening is formed in the common electrode.
    Type: Application
    Filed: December 31, 2015
    Publication date: July 7, 2016
    Inventors: Se Hyun Lee, Cheol Shin, Hak Sun Chang, Ka Eun Kim, Ki Chul Shin
  • Publication number: 20160147119
    Abstract: A liquid crystal display (LCD) is provided. A liquid crystal display (LCD) comprising a first pixel electrode portion; a second pixel electrode portion disposed adjacent to the first pixel electrode portion in a first direction; and a first data line, extending substantially in a second direction, configured to apply a data voltage to the first pixel electrode portion; wherein the data line comprises a first line portion overlapping the first pixel electrode portion and a second line portion overlapping the second pixel electrode portion.
    Type: Application
    Filed: June 25, 2015
    Publication date: May 26, 2016
    Inventors: Hak Sun CHANG, Cheol Shin, Ka Eun Kim, Ki Chul Shin, Se Hyun Lee
  • Publication number: 20160147118
    Abstract: A liquid crystal display according to an embodiment includes: a lower panel including a pixel electrode having a first subpixel electrode and a second subpixel electrode and an insulating layer between the first subpixel electrode and the second subpixel electrode; an upper panel including a common electrode; and a liquid crystal layer disposed between the lower panel and the upper panel. The first subpixel electrode includes a first plate portion, a first stem having a cross portion extending from the first plate portion and a protrusion extending from the cross portion, and a plurality of first branches extending from the first plate portion and the first stem. The second subpixel electrode includes a second plate portion having an opening and a plurality of second branches extending from the second plate portion. The cross portion does not overlap with the second plate portion. The protrusion overlaps with the second plate portion.
    Type: Application
    Filed: May 12, 2015
    Publication date: May 26, 2016
    Inventors: Se Hyun LEE, Hak Sun CHANG, Ki Chul SHIN, Jang Wi RYU, Cheol SHIN, Ho Kil OH
  • Publication number: 20160130377
    Abstract: Disclosed are an apparatus and method for preparing polybutene having various molecular weights by using complex catalysts of different molar ratios. The apparatus for preparing polybutene having various molecular weights, comprises: a complex catalyst preparing device for preparing a high-activity complex catalyst and a low-activity complex catalyst to form highly reactive polybutene through polymerization; a high-molar ratio complex catalyst system for controlling the storage and supply of the high-activity complex catalyst; a low-molar ratio complex catalyst system for controlling the storage and supply of the low-activity complex catalyst; and a reactor to which reaction raw materials including the high-activity complex catalyst, the low-activity complex catalyst, and isobutene are supplied to be polymerized into highly reactive polybutene.
    Type: Application
    Filed: June 3, 2014
    Publication date: May 12, 2016
    Inventors: Myeong Seok KIM, Min Sup PARK, Hyung Jae SEO, Se Hyun LEE
  • Publication number: 20160116806
    Abstract: A liquid crystal display according to m exemplary embodiment of the present invention includes: a first substrate; a gate line formed on the first substrate; an insulating layer formed on the gate line; and a first subpixel electrode and a second subpixel electrode that are formed on the insulating layer. Each of the first subpixel electrode and the second, subpixel electrode includes a first subregion and a second subregion. At least one of the first subregion and the second subregion Includes a vertical stem, a horizontal stem extending from a middle of the vertical stem, and a plurality of minute branches laterally extending in a diagonal direction from the horizontal stem. The plurality of minute branches laterally extending from the horizontal stem are alternately branched with reference to the horizontal stem.
    Type: Application
    Filed: October 13, 2015
    Publication date: April 28, 2016
    Inventors: Cheol SHIN, Hak Sun CHANG, Ka Eun KIM, Se Hyun LEE, Ki Chul SHIN
  • Publication number: 20160108155
    Abstract: There are disclosed an apparatus and a method for selectively preparing a high reactivity polybutene, a midrange reactivity polybutene and a non-reactive polybutene in a single plant. The apparatus for selectively preparing a reactive polybutene and a non-reactive polybutene, comprises: a reactive polybutene polymerization catalyst feeder for polymerization of the reactive polybutene; a non-reactive polybutene polymerization catalyst feeder for polymerization of the non-reactive polybutene; and a reactor for polymerizing a reactant including isobutene into polybutene, wherein the reactive polybutene polymerization catalyst feeder provides a catalyst to yield the reactive polybutene; and the non-reactive polybutene polymerization catalyst feeder provides a catalyst to yield the non-reactive polybutene.
    Type: Application
    Filed: May 15, 2014
    Publication date: April 21, 2016
    Inventors: Myeong Seok KIM, Min Sup PARK, Hyung Jae SEO, Se Hyun LEE
  • Publication number: 20160109766
    Abstract: A liquid crystal display, including: a first substrate; a pixel electrode formed on the first substrate and including a first subpixel electrode and a second subpixel electrode which are separated from each other; a second substrate facing the first substrate; a common electrode formed on the second substrate; and a liquid crystal layer positioned between the first substrate and the second substrate, wherein the first subpixel electrode includes a first part having a plurality of first branch electrodes, the second subpixel electrode includes a second part which is positioned to at least partially surround the first branch electrodes, and a plurality of second branch electrodes which extend from the second part and are defined by a plurality of first opens. Portions of the first opens proximate to the second part are wider than other portions of the first opens.
    Type: Application
    Filed: October 21, 2015
    Publication date: April 21, 2016
    Inventors: Ho Kil OH, Ka Eun KIM, Cheol SHIN, Se Hyun LEE, Hak Sun CHANG, Ki Chul SHIN
  • Publication number: 20160097956
    Abstract: A liquid crystal display including: a lower electrode; an upper electrode facing the lower electrode; and a liquid crystal layer disposed between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned perpendicular to surfaces of the lower electrode and the upper electrode, wherein the lower electrode includes a center electrode disposed at the center thereof, a first cutout disposed at the center of the center electrode, and a plurality of minute branches disposed extending outwardly from a side edge of the center electrode, and the upper electrode includes a second cutout disposed between the minute branches and the first cutout, a third cutout connected to upper and lower vertices of the second cutout to form a boundary among a plurality of sub-regions together with the first cutout and a fourth cutout connected to upper and lower vertices of the second cutout.
    Type: Application
    Filed: May 13, 2015
    Publication date: April 7, 2016
    Inventors: Se Hyun LEE, Jang Wi RYU, Ki Chul SHIN, Cheol SHIN, Hak Sun CHANG
  • Publication number: 20160097955
    Abstract: A liquid crystal display includes a lower electrode, an upper electrode facing the lower electrode, and a liquid crystal layer disposed between the lower electrode and the upper electrode. The lower electrode includes: a center electrode disposed at its center and the center electrode has a polygonal shape including diagonal sides, left and right sides, and upper and lower sides; as first cutout disposed at a center of the center electrode; a plurality of minute branches extending out from the diagonal sides; and a plurality of auxiliary minute branches extending out from the left and right sides. The upper electrode includes a second cutout disposed between the minute branches and the first cutout, and a third cutout connected to the second cutout to form a boundary between a plurality of subregions together with the first cutout, and the left and right sides are inclined at a predetermined angle.
    Type: Application
    Filed: March 19, 2015
    Publication date: April 7, 2016
    Inventors: Ka Eun KIM, Cheol SHIN, Hak Sun CHANG, Ki Chul SHIN, Se Hyun LEE
  • Patent number: 9274377
    Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed. A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: March 1, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
  • Publication number: 20160046937
    Abstract: The present invention relates to a small interference RNA (siRNA) for specifically inhibiting the expression of ribosomal protein in cells, and more particularly, to an siRNA that specifically inhibits the expression of endogenous rpS3 protein in cells without influencing tagged overexpressed protein. The siRNAs of the present invention are excellent in terms of economy and efficiency compared to conventional commercially available products.
    Type: Application
    Filed: February 7, 2014
    Publication date: February 18, 2016
    Inventors: Joon Kim, Hag Dong Kim, Se Hyun Lee, Hee-Woong Yang
  • Publication number: 20160011468
    Abstract: A liquid crystal display including: a substrate; an insulating layer formed on the substrate; a step providing grooves formed on the insulating layer; and a pixel electrode formed on the insulating layer, and configured to include a partial plate electrode and a plurality of minute branch electrodes extending from the partial plate electrode. A sidewall of each of the step providing grooves is perpendicular to a bottom surface, and a planar shape of the step providing grooves is formed of right triangles each having a first side, a second side, and a hypotenuse that connects the first side with the second side, and an angle between the first side and the hypotenuse is 45° or below.
    Type: Application
    Filed: November 24, 2014
    Publication date: January 14, 2016
    Inventors: Se Hyun LEE, Jae-Soo Jang, Ho Kil Oh, Hyo Ju Jung, Ki Chul Shin
  • Publication number: 20150322181
    Abstract: Disclosed is a method for preparing a highly reactive polybutene of high quality having low fluorine content and high vinylidene content at high mileage of catalyst with economy. The method for preparing a polybutene includes: performing a selective hydrogenation reaction of diolefin among C4 hydrocarbon components produced from petroleum refineries or naphtha cracking centers, which involve cracking of crude oils, and simultaneously an isomerization reaction of 1-butene to 2-butene and then isolating an isobutene feedstock through fractional distillation; and polymerizing the isobutene feedstock obtained by the fractional distillation.
    Type: Application
    Filed: July 16, 2015
    Publication date: November 12, 2015
    Inventors: Myeong Seok KIM, Min Sup PARK, Hyung Jae SEO, Se Hyun LEE
  • Publication number: 20150316821
    Abstract: A liquid crystal display including a first substrate, a pixel electrode on the first substrate and including a first subpixel electrode and a second subpixel electrode separated from the first subpixel electrode, a second substrate facing the first substrate, a common electrode on the second substrate, and a liquid crystal layer between the first substrate and the second substrate, wherein the first subpixel electrode includes a first plate-shaped portion and first branch electrodes extending from the first plate-shaped portion, wherein the second subpixel electrode includes a second plate-shaped portion configured to enclose surroundings of the first branch electrode and second branch electrodes extending from the second plate-shaped portion, and wherein a difference between a first voltage applied to the first subpixel electrode and a common voltage applied to the common electrode is larger than a difference between a second voltage applied to the second subpixel electrode and the common voltage.
    Type: Application
    Filed: April 23, 2015
    Publication date: November 5, 2015
    Inventors: Se Hyun Lee, Ka Eun Kim, Ki Chul Shin, Ho Kil Oh, Hak Sun Chang
  • Publication number: 20150309375
    Abstract: A liquid crystal display includes: a first substrate; a pixel electrode on the first substrate and including a first subpixel electrode and a second subpixel electrode which are separated from each other; a second substrate facing the first substrate; a common electrode on the second substrate; and a liquid crystal layer between the first substrate and the second substrate, in which the first subpixel electrode includes a first plate-shaped portion and a plurality of first branch electrodes extended from the first plate-shaped portion, the second subpixel electrode includes a second plate-shaped portion surrounds the first branch electrodes and a plurality of second branch electrodes extended from the second plate-shaped portion, and a difference between a first voltage applied to the first subpixel electrode and a common voltage applied to the common electrode is larger than a difference between a second voltage applied to the second subpixel electrode and the common voltage.
    Type: Application
    Filed: April 24, 2015
    Publication date: October 29, 2015
    Inventors: Hak Sun Chang, Cheol Shin, Jae-Soo Jang, Ki Chul Shin, Jang Wi Ryu, Ho Kil Oh, Ka Eun Kim, Se Hyun Lee, Hyo Ju Jung
  • Publication number: 20150185541
    Abstract: A liquid crystal display device includes: a first insulation substrate, a color filter disposed on the first insulation substrate and including a stepped region, a passivation layer disposed on the color filter and including an opening region overlapping with the stepped region, a pixel electrode disposed on the passivation layer including the opening region, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate and including a cross-shaped cutout, and a liquid crystal layer disposed between the first and second insulation substrates.
    Type: Application
    Filed: July 22, 2014
    Publication date: July 2, 2015
    Inventors: SE HYUN LEE, HYO JU JUNG, KI CHUL SHIN, HO KIL OH, HAK SUN CHANG
  • Publication number: 20150097441
    Abstract: A supporter includes a housing and a guide member formed at one side of the housing. The guide member has an inclined surface. A fixing member faces the guide member to fix an object and a transmission coil is disposed in the housing to wirelessly transmit power.
    Type: Application
    Filed: September 5, 2014
    Publication date: April 9, 2015
    Inventors: Woo Kil JUNG, Se Hyun Lee, Ki Chul Chang