Patents by Inventor Yong Su

Yong Su 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: 9836125
    Abstract: Provided is a multilayer transformable device with enhanced driving displacement and a display device including the same. The multilayer transformable device, for example, includes a plurality of unit transformable devices, each of the unit transformable devices that includes a lower electrode, an upper electrode, and a transformable layer including an electro-active polymer (EAP) and a sub-transformable layer disposed between the plurality of unit transformable devices, the sub-transformable layer including a sub-EAP different from the EAP.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: December 5, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: MyungJin Lim, SuSeok Choi, Yong-Su Ham, Taeheon Kim, YongWoo Lee, Seulgi Choi
  • Publication number: 20170327718
    Abstract: Provided are a pressure-sensitive adhesive composition, a pressure-sensitive adhesive optical laminate, a pressure-sensitive adhesive polarizing plate and a display device. The pressure-sensitive adhesive composition offers a pressure-sensitive adhesive that has excellent durability and processability in manufacturing due to increased hardness even when the pressure-sensitive adhesive layer is formed thinner than a typical adhesive composition, and that can prevent a pressure mark and leakage of the pressure-sensitive adhesive, as well as a bending problem generated when applied on an optical member such as a polarizing plate, etc.
    Type: Application
    Filed: July 31, 2017
    Publication date: November 16, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Yong Su Park, Se Woo Yang, Suk Ky Chang, Min Soo Park, Eun Suk Park
  • Publication number: 20170290641
    Abstract: Provided is a silicate glass, a method for preparing a silicate glass-ceramics by using the silicate glass, and a method for preparing a lithium disilicate glass-ceramics by using the silicate glass, and more particularly, to a method for preparing a glass-ceramics that has a nanosize of 0.2 to 0.5 ?m and contains lithium disilicate and silicate crystalline phases. A nano lithium disilicate glass-ceramics containing a SiO2 crystalline phase includes: a glass composition including 70 to 85 wt % SiO2, 10 to 13 wt % Li2O, 3 to 7 wt % P2O5 working as a nuclei formation agent, 0 to 5 wt % Al2O3 for increasing a glass transition temperature and a softening point and enhancing chemical durability of glass, 0 to 2 wt % ZrO2, 0.5 to 3 wt % CaO for increasing a thermal expansion coefficient of the glass, 0.5 to 3 wt % Na2O, 0.5 to 3 wt % K2O, and 1 to 2 wt % colorants, and 0 to 2.0 wt % mixture of MgO, ZnO, F, and La2O3.
    Type: Application
    Filed: November 7, 2016
    Publication date: October 12, 2017
    Inventors: Yong Su KIM, Hyun Jun JEON, Hyung Bong LIM, Kyung Sik OH, Sung Ho HA, Young Pyo HONG, Joon Hyung KIM, Cheol Young KIM
  • Publication number: 20170288181
    Abstract: Provided are a lithium secondary battery, which includes an electrode assembly, a battery case accommodating the electrode assembly, a surface layer comprising an engineering plastic located on the outer side of the battery case, and lead terminals connected with the electrode assembly and drawn out of the battery case, and a method of fabricating the same.
    Type: Application
    Filed: March 28, 2017
    Publication date: October 5, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Won Pill Hwang, Yong Su Choi, Sang Hun Kim, Sang Suk Jung, Cho Long Kim, Yong Kim
  • Patent number: 9780259
    Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape, and a bottom portion parallel to the top portion and having a second top-view shape, wherein the first top-view shape comprises a circle or an ellipse, the first top-view shape comprises a first periphery and the second top-view shape comprises a second periphery, the first periphery is enclosed by the second periphery, and various distances are between each of the first periphery and the second periphery.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: October 3, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Ta-Cheng Hsu, Ya-Lan Yang, Ying-Yong Su, Ching-Shian Yeh, Chao-Shun Huang, Ya-Ju Lee
  • Patent number: 9768309
    Abstract: A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Su Lee, Yoon Ho Khang, Dong Jo Kim, Hyun Jae Na, Sang Ho Park, Se Hwan Yu, Chong Sup Chang, Dae Ho Kim, Jae Neung Kim, Myoung Geun Cha, Sang Gab Kim, Yu-Gwang Jeong
  • Patent number: 9758705
    Abstract: Provided are a pressure-sensitive adhesive composition, a pressure-sensitive adhesive optical laminate, a pressure-sensitive adhesive polarizing plate and a display device. The pressure-sensitive adhesive composition offers a pressure-sensitive adhesive that has excellent durability and processability in manufacturing due to increased hardness even when the pressure-sensitive adhesive layer is formed thinner than a typical adhesive composition, and that can prevent a pressure mark and leakage of the pressure-sensitive adhesive, as well as a bending problem generated when applied on an optical member such as a polarizing plate, etc.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: September 12, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Yong Su Park, Se Woo Yang, Suk Ky Chang, Min Soo Park, Eun Suk Park
  • Publication number: 20170252392
    Abstract: The present invention relates to a lactic acid fermented product of cassia seeds. The fermented product of the present invention uses cassia seeds, which have long been used and have proven their safety without causing side effects. Due to this advantage, the lactic acid fermented product of the present invention is effective in increasing the number, water content, and/or weight of feces. The effects of the lactic acid fermented product according to the present invention are comparable to those of sennoside, which is a therapeutic agent for stimulant constipation and whose use in health functional foods is forbidden because of its side effects, and Dulcolax-S, which is currently commercially available and includes bisacodyl and sodium docusate as active ingredients. Therefore, the lactic acid fermented product of the present invention can be utilized in pharmaceutical compositions for treating or preventing constipation or health functional foods for ameliorating or preventing constipation.
    Type: Application
    Filed: October 27, 2015
    Publication date: September 7, 2017
    Applicant: HAENAM NATURAL FARMING ASSOCIATION COOPERATION
    Inventors: Sang Duk HWANG, Gum Sul YONG, Ju Hyun YONG, Ju Sun YONG, Yong Su SONG
  • Patent number: 9748469
    Abstract: Provided is a multilayer actuator and a display device comprising the same with improved driving displacement that includes, for example, a plurality of electroactive layers, wherein the electroactive layers comprise a ferroelectric polymer, and polarization directions of all electroactive layers are substantially the same.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: August 29, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: MyungJin Lim, SuSeok Choi, Yong-Su Ham, Taeheon Kim, YongWoo Lee, Seulgi Choi
  • Patent number: 9731995
    Abstract: Exemplary embodiments of the present disclosure provide a lithium silicate crystalline or amorphous glass overlaying the top surfaces of zirconia and the manufacturing process thereof. More specifically, exemplary embodiments of the present disclosure provide a lithium silicate glass or lithium silicate crystalline glass with high light transmittance and good coloring characteristics and the manufacturing process thereof, which overlays the top surface of zirconia with high mechanical strength, frameworks, or copings. The lithium silicate crystalline or amorphous glass may include 10-15 wt % Li2O, 71.1-85.0 wt % SiO2, 2-5 wt % P2O5 working as nuclear formation agent, 1-5 wt % Al2O3 to increase glass transition temperature and softening temperature, as well as chemical durability of the glass, and 0.01-1.0 wt % ZrO2 which increases the binding strength of the zirconia substructure.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: August 15, 2017
    Assignee: Hass Co., Ltd.
    Inventors: Yong su Kim, Hyun jun Jeon, Hyung bong Lim, Kyung sik Oh, Sung ho Ha, Jin su Jeong, Cheol young Kim
  • Patent number: 9727157
    Abstract: A touch sensitive device, a display device including the touch sensitive device and a method of driving the same are discussed. The touch sensitive device can include an electroactive layer including an electroactive polymer; and one or more first electrodes and one or more second electrodes are disposed on only one surface of the electroactive layer, in which the first and the second electrodes include a conductive material. The first and the second electrodes of the touch sensitive device can be disposed only on one surface of the electroactive layer, a driving voltage of the touch sensitive device can be reduced and transmissivity can be improved.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: August 8, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong-Su Ham, SuSeok Choi, Taeheon Kim, YongWoo Lee, MyungJin Lim, Seulgi Choi
  • Patent number: 9722785
    Abstract: An apparatus for quantum cryptographic communication includes a light source configured to generate an optical pulse which is transmitted to a plurality of quantum code sending devices, and a quantum entanglement measuring unit configured to receive the optical signal generated from each of the plurality of quantum code sending devices and measure a relation among quantum states of the optical signals received from the plurality of quantum code sending devices; the optical signal being generated by encoding a key to a quantum state of the optical pulse. The apparatus for quantum cryptographic communication may further include a signal direction determining unit, a reflector for reflecting the optical pulse or the optical signal, an arbitrary phase shifter, or a modulator for encoding a digital signal corresponding to the key to the optical pulse.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: August 1, 2017
    Assignee: Korea Institute of Science and Technology
    Inventors: Yong-Su Kim, Sang Wook Han, Sung Wook Moon, Yujun Choi
  • Patent number: 9720267
    Abstract: Provided are a display panel, a backward diode equipped on a bottom surface of the display panel, a packaging film for packaging the backward diode, and a pressure-sensitive adhesive layer formed between the display panel and the packaging film. The packaging film includes a first region corresponding to a top surface of the backward diode, and a second region extending from the first region and corresponding to a side surface of the backward diode. Due to the display device, a bezel region can be minimized.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: August 1, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Se Woo Yang, Kum Suek Seo, Jong Sung Park, Min Soo Park, Ji Young Hwang, Jae Ho Jung, In Ju Mun, Yong Su Park
  • Publication number: 20170204294
    Abstract: Provided are an optical member, a pressure-sensitive adhesive composition, and an LCD. The optical member may have excellent endurance reliability even when a pressure-sensitive adhesive layer is formed to have a thickness of 20 ?m or less.
    Type: Application
    Filed: March 6, 2017
    Publication date: July 20, 2017
    Inventors: Se Woo YANG, Ki Seok JANG, Yong Su PARK, Min Soo PARK, Suk Ky CHANG, Jong Rok JEON
  • Publication number: 20170192509
    Abstract: Provided are a touch sensitive device and a display device including the same. The touch sensitive device includes: a first electroactive layer formed of a ferroelectric polymer; a plurality of electrodes disposed on at least one surface of the first electroactive layer; and a second electroactive layer in contact with the plurality of electrodes and the first electroactive layer and formed of an electroactive polymer. A coating layer having a low refractive index and formed of an electroactive polymer is formed on the first electroactive layer formed of a ferroelectric polymer having a low light transmittance, and, thus, a vibration level and a light transmittance of the touch sensitive device can be improved simultaneously.
    Type: Application
    Filed: December 28, 2016
    Publication date: July 6, 2017
    Inventors: Taeheon KIM, Yong-Su HAM, YongWoo LEE, YuSeon KHO, MyungJin LIM, Seulgi CHOI
  • Publication number: 20170192595
    Abstract: Provided are a contact sensitive device, a display apparatus including the same, and a method of manufacturing the same. The contact sensitive device includes an electroactive layer formed of an electroactive polymer having a plurality of nano pores and an electrode disposed on at least one surface of the electroactive layer. The electroactive layer has a ?-phase structure and improved piezoelectricity without performing a stretching process or a polling process.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 6, 2017
    Inventors: Seulgi CHOI, Yong-Su HAM, Taeheon KIM, YongWoo LEE, YuSeon KHO, MyungJin LIM
  • Publication number: 20170192508
    Abstract: Provided are a display device and a method of driving the same. The display device includes: a touch sensitive element having an electroactive layer and a plurality of electrodes disposed on at least one of a top surface and a bottom surface of the electroactive layer; a display panel disposed under the touch sensitive element; and a touch sensor disposed under the touch sensitive element and having a plurality of touch electrodes, and each of the plurality of electrodes of the touch sensitive element overlaps with one touch electrode from among the plurality of touch electrodes in a one to one correspondence.
    Type: Application
    Filed: December 27, 2016
    Publication date: July 6, 2017
    Inventors: MyungJin LIM, CheolSe KIM, Yong-Su HAM, Taeheon KIM, YongWoo LEE, YuSeon KHO, Seulgi CHOI
  • Publication number: 20170192560
    Abstract: Provided is a display device. The display device includes: a touch sensitive element including an electroactive layer and a plurality of electrodes disposed on at least one of the top surface and the bottom surface of the electroactive layer; a shielding layer on the touch sensitive element; a display panel on the shielding layer; and a touch sensor integrated in the display panel and including a plurality of first touch electrodes and a plurality of second touch electrodes spaced apart from the plurality of first touch electrodes, and the shielding layer is electrically connected with the plurality of first touch electrodes or the plurality of second touch electrodes.
    Type: Application
    Filed: December 28, 2016
    Publication date: July 6, 2017
    Inventors: Yong-Su HAM, Taeheon KIM, YongWoo LEE, YuSeon KHO, MyungJin LIM, Seulgi CHOI
  • Publication number: 20170192507
    Abstract: Provided is a contact sensitive device. The contact sensitive device includes an electroactive layer, a plurality of first electrodes, a plurality of second electrodes, and a bonding layer. The plurality of first electrodes is disposed on one surface of the electroactive layer and the plurality of second electrodes is disposed on the other surface of the electroactive layer. The bonding layer covers one surface of the electroactive layer and consists of a first part corresponding to the plurality of first electrodes and a second part excluding the first part. The first part and the second part of the bonding layer have different elastic moduli.
    Type: Application
    Filed: November 18, 2016
    Publication date: July 6, 2017
    Inventors: YongWoo Lee, Yong-Su Ham, Taeheon Kim, YuSeon Kho, MyungJin Lim, Seulgi Choi
  • Publication number: 20170170445
    Abstract: Provided is a battery pack. The battery pack includes a plurality of battery cells, each of which is provided with an electrode tab, an electrode lead including first and second lead parts respectively connected to the electrode tabs of the adjacent battery cells and a connection part connecting the first and second lead parts to each other, and a bus bar to which the first and second lead parts are coupled and connecting the plurality of battery cells to each other in series or parallel.
    Type: Application
    Filed: November 1, 2016
    Publication date: June 15, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Yong KIM, Yong Su CHOI, Sang Hun KIM, Sang Suk JUNG, Won Pill HWANG, Cho Long KIM