Patents by Inventor Kyu Hwang

Kyu Hwang 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: 8569193
    Abstract: Disclosed herein is a method of surface-functionalizing a porous organic-inorganic hybrid material or a organic-inorganic mesoporous material, in which organic substances, inorganic substances, ionic liquids and organic-inorganic hybrid substances are selectively functionalized on the coordinatively unsaturated metal sites of a porous organic-inorganic hybrid material or organic-inorganic mesoporous material, and thus the porous organic-inorganic hybrid material can be used for adsorbents, gas storage devices, sensors, membranes, functional thin films, catalysts, catalytic supports, and the like, and the applications of the surface-functionalized porous organic-inorganic hybrid material prepared using the method to catalytic reactions.
    Type: Grant
    Filed: December 11, 2007
    Date of Patent: October 29, 2013
    Assignee: Korean Research Institute of Chemical Technology
    Inventors: Jong-San Chang, Young Kyu Hwang, Sung Hwa Jhung, Do-Young Hong, You-Kyung Seo, Gerard Ferey, Christian Serre
  • Publication number: 20130273355
    Abstract: A pressure sensitive dicing die bonding film includes a base film, a pressure sensitive adhesive layer formed on the base film, and a bonding layer formed on the pressure sensitive adhesive layer. An adhesive strength between the pressure sensitive adhesive layer and the bonding layer and an adhesive strength between the pressure sensitive adhesive layer and a ring frame may satisfy the following relation: B/A?1.1 where A is the adhesive strength between the pressure sensitive adhesive layer and the bonding layer, and B is the adhesive strength between the pressure sensitive adhesive layer and the ring frame.
    Type: Application
    Filed: June 17, 2013
    Publication date: October 17, 2013
    Inventors: Dong Seon UH, Ji Ho KIM, Min Kyu HWANG, Kyung Rae CHO, Ki Tae SONG
  • Publication number: 20130265715
    Abstract: A portable terminal including a body, a front deco positioned along a periphery of the body, a main battery cover positioned on a rear surface of the body to cover a battery, and a waterproofing cover interchangeable with the front deco and the main battery cover so that when substituted for the main battery cover and front deco all water intrusion paths on the portable terminal are sealed.
    Type: Application
    Filed: April 3, 2013
    Publication date: October 10, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang-Seok BAE, Seung-Hyub BAEK, Jong-Cheon WEE, Sung-Kyu HWANG
  • Publication number: 20130214278
    Abstract: An array substrate for a display device and manufacturing method thereof is disclosed. The device comprises: a substrate; a gate line formed on the substrate along a first direction; a data line formed over the substrate along a second direction, wherein the data line and the gate line cross each other to define a pixel region; a thin film transistor formed in the pixel region, and having a gate electrode connected to the gate line, a source electrode connected to the data line, and a drain electrode; a pixel electrode formed in the pixel region and connected to the drain electrode; a first auxiliary gate pattern formed over the gate line and contacting the gate line; and a first auxiliary data pattern formed over the data line and contacting the data line.
    Type: Application
    Filed: August 16, 2012
    Publication date: August 22, 2013
    Inventors: Seung-Hee Nam, Soon-Sung Yoo, Tae-Hyoung Moon, Tae-Joon Song, Kyu-Hwang Lee
  • Patent number: 8507399
    Abstract: Porous organic-inorganic hybrid materials with crystallinity and a method for preparing the same are provided. The method comprises preparing a reaction solution containing a mixture of at least one inorganic metal precursor, at least one organic compound which may act as a ligand, and a solvent (step 1); and forming porous organic-inorganic hybrid materials with crystallinity by reacting the reaction solution (step 2), wherein the reaction is carried out under the pressure of about 3 atm or less.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: August 13, 2013
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Young Kyu Hwang, Jong-San Chang, You-Kyong Seo, Dong Won Hwang
  • Patent number: 8497000
    Abstract: Disclosed is a method for modifying wettability of a surface of an inorganic material, the method comprising the steps of: preparing an inorganic material with a surface; and charging the surface of the inorganic material with positive surface charges obtained from photoelectron-emission by an X-ray irradiation to the surface of the inorganic material.
    Type: Grant
    Filed: January 22, 2009
    Date of Patent: July 30, 2013
    Assignee: Postech Academy-Industry Foundation
    Inventors: Yong Bum Kwon, Byung Mook Weon, Kyu Hwang Won, Jung Ho Je
  • Publication number: 20130170032
    Abstract: Disclosed herein is an apparatus for preparation of a film exhibiting polarizing properties (‘polarizing film’) by dyeing a substrate film with iodine and then orienting the same through a continuous process, and the foregoing apparatus includes, a first bath equipped with a thermometer to measure a temperature of the first bath (‘first bath thermometer’), in which a polyvinylalcohol (PVA) film as a substrate film is washed; a second bath equipped with a thermometer to measure a temperature of the second bath (‘second bath thermometer’) and a densitometer to measure a concentration of the second bath (‘second bath densitometer’), in which the washed PVA film is dipped in an iodine solution and dyed therein; a third bath in which the iodine-dyed PVA film is stretched by a drawing roller to thereby orient the dyed iodine; an oven equipped with a thermometer to measure a temperature of the oven (‘oven thermometer’) to dry the iodine-oriented PVA film; and a central controller that predicts a transmittance of the
    Type: Application
    Filed: June 2, 2011
    Publication date: July 4, 2013
    Applicant: LG Chem, Ltd.
    Inventors: Ho Kyung Lee, Chang Song Lee, Kyu Hwang Lee, Eung Jin Jang, Joong Suk Nah
  • Publication number: 20130119558
    Abstract: Provided is a stacked semiconductor package.
    Type: Application
    Filed: May 11, 2011
    Publication date: May 16, 2013
    Inventors: Chul Kyu Hwang, Hyun Woo Lee
  • Publication number: 20130074359
    Abstract: A method for drying substrates using isopropyl alcohol (IPA) includes: a pre-stage in which heated fluid is injected to a bottom surface of a substrate to raise a temperature of the substrate simultaneously to injection of an organic solvent to a top surface of the substrate and injection of a dry gas to the top surface thereof to improve a vaporization power of the organic solvent; and a final stage in which the injection of the heated fluid is stopped and the organic solvent and the dry gas are injected to the top surface of the substrate.
    Type: Application
    Filed: November 2, 2012
    Publication date: March 28, 2013
    Applicant: SEMES CO., LTD.
    Inventors: Young-Ju JEONG, Bok-Kyu LEE, Sun-Kyu HWANG, Jeong-Yong BAE, Soo-Bin YONG
  • Publication number: 20130078891
    Abstract: Disclosed herein is a device for cutting a glass sheet, continuously supplied after a melting and solidification process, into quadrangular glass substrates. The glass sheet cutting device includes two or more cutters for cutting a glass sheet into quadrangular glass substrates, a defect inspector for scanning the glass sheet to three-dimensionally check defect positions in a length direction, a width direction and a thickness direction of the glass sheet, a position adjuster for moving at least one of the cutters to a portion of the glass sheet at which few defects are distributed, and a controller for informing the position adjuster of positions of the cutters based on the scanned results received from the defect inspector.
    Type: Application
    Filed: April 20, 2011
    Publication date: March 28, 2013
    Applicant: LG CHEM., LTD
    Inventors: Ho Kyung Lee, Kyu Hwang Lee, Soon Ki Heo
  • Publication number: 20130066468
    Abstract: A telepresence robot may include a manual navigation unit configured to move the telepresence robot according to navigation information received from a user device; an autonomous navigation unit configured to detect environment of the telepresence robot and control the movement of the telepresence robot using the detected result; a motion control unit comprising a database related to at least one motion, the motion control unit configured to receive selection information on the motion of the database and actuate the telepresence robot according to the selection information; and an output unit configured to receive expression information of a user from the user device and output the expression information. The telepresence robot may be applied to various fields such as language education by a native speaking teacher, medical diagnoses, teleconferences, or remote factory tours.
    Type: Application
    Filed: August 19, 2010
    Publication date: March 14, 2013
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Mun-Taek Choi, MunSang Kim, InJun Park, Chang Gu Kim, Jin Hwan Yoo, YoungHo Lee, Juk Kyu Hwang, Richard H. Shinn
  • Patent number: 8385080
    Abstract: A semiconductor module, a socket for the same, and a semiconductor module/socket assembly are disclosed. The semiconductor module includes a printed circuit board including a plurality of semiconductor devices, a plurality of insulating layers and a plurality of metal layers, the plurality of insulating layers and the plurality of metal layers are alternately stacked. Exposed portions of the metal layers are exposed to the outside of the semiconductor module at a first and a second ends of the printed circuit board. The first end and the second end are at opposite ends of the printed circuit board.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: February 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hoon Kim, Seong-Chan Han, Dong-Chun Lee, Jae-Hoon Choi, Sun-Kyu Hwang
  • Patent number: 8360692
    Abstract: Provided is an apparatus for transferring slurry, which is used to transfer minerals from the bottom of the sea to the ground; and, more particularly, to an apparatus for transferring slurry, which can efficiently transfer the slurry in the state of a solid-liquid mixture containing the minerals without clogging of a transfer pipe.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: January 29, 2013
    Assignee: Korea Institute of Geoscience and Minderal Resources (KIGAM)
    Inventors: Chi-Ho Yoon, Young-Ju Kim, Yong-Chan Park, Young-Kyu Hwang
  • Publication number: 20120289399
    Abstract: Porous organic-inorganic hybrid materials with crystallinity and a method for preparing the same are provided. The method comprises preparing a reaction solution containing a mixture of at least one inorganic metal precursor, at least one organic compound which may act as a ligand, and a solvent (step 1); and forming porous organic-inorganic hybrid materials with crystallinity by reacting the reaction solution (step 2), wherein the reaction is carried out under the pressure of about 3 atm or less.
    Type: Application
    Filed: July 27, 2012
    Publication date: November 15, 2012
    Inventors: Young Kyu HWANG, Jong-San CHANG, You-Kyong SEO, Dong Won HWANG
  • Patent number: 8258317
    Abstract: The present disclosure discloses a catalyst for directly producing a lactide which is a cyclic ester used as a monomer for polylactides, and a method for directly producing a lactide using the catalyst, the method including the transesterification reaction between two molecules of an ester of lactic acid or a mixture containing the ester of lactic acid with a small amount of lactic acid and oligomer of lactic acid under an inert environment in the presence of a titanium-based catalyst or a catalyst mixture containing the titanium-based catalyst so as to produce lactide while simultaneously removing an alcohol (ROH) generated as a by-product.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: September 4, 2012
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Jong-San Chang, Young-Kyu Hwang, Jung-Ho Lee, Jong-Min Lee, Min-Hee Jung
  • Patent number: 8252950
    Abstract: Porous organic-inorganic hybrid materials with crystallinity and a method for preparing the same are provided. The method comprises preparing a reaction solution containing a mixture of at least one inorganic metal precursor, at least one organic compound which may act as a ligand, and a solvent (step 1); and forming porous organic-inorganic hybrid materials with crystallinity by reacting the reaction solution (step 2), wherein the reaction is carried out under the pressure of about 3 atm or less.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: August 28, 2012
    Assignee: Kora Research Institute of Chemical Technology
    Inventors: Young Kyu Hwang, Jong-San Chang, You-Kyong Seo, Dong Won Hwang
  • Patent number: 8240728
    Abstract: A shackle assembly may be used for delivering a steel structure in a construction field, the shackle assembly including a shackle body, first, second, and third shackle pins, first and second elastic means, a vertical movement mean, and a control means. Thanks to the plurality of shackle pins and the plurality of elastic means, the shackle assembly can reduce its weight and manufacturing cost. Also, in spite of the light weight and the low cost of the shackle assembly, stability and efficiency in its working can be sufficiently secured.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: August 14, 2012
    Assignee: P&H Co., Ltd
    Inventors: In Kyu Hwang, Jong Won Park
  • Publication number: 20120197029
    Abstract: The present invention relates to a method for producing a cyclic compound that has high selectivity, high yield, and stability over a long period of time depending on a metal content ratio of a catalyst, specifically a lactone compound or a heterocyclic compound including oxygen, which includes hydrogenating an organic acid, organic acid ester, or a mixture of the organic acid and organic acid ester, which are having 4 to 6 carbon atoms, by using a selective hydrogenated catalyst.
    Type: Application
    Filed: August 27, 2010
    Publication date: August 2, 2012
    Applicant: Korea Research Institute of Chemical Technology
    Inventors: Young Kyu Hwang, Jong San Chang, Jung Ho Lee, Jong-Min Lee
  • Publication number: 20120171481
    Abstract: An optically clear adhesive, a dicing die bonding film, and a semiconductor device, the optically clear adhesive including a curing agent; and an acrylic copolymer, the acrylic copolymer including an alkyl group, a hydroxyl group, and at least one of a phosphate group and a silane group.
    Type: Application
    Filed: October 24, 2011
    Publication date: July 5, 2012
    Inventors: Kyoung Jin Ha, Baek Soung Park, Ji Ho Kim, Min Kyu Hwang, Kil Sung Lee
  • Publication number: 20120171844
    Abstract: A dicing die bonding film including a bonding layer; and a pressure-sensitive adhesive layer adjoining the bonding layer, the pressure-sensitive adhesive layer having a storage modulus of about 400 to about 600 kPa at 25° C. and a peel strength of about 200 to about 350 mN/25 mm with respect to the bonding layer as measured according to KS-A-01107 standard.
    Type: Application
    Filed: November 2, 2011
    Publication date: July 5, 2012
    Inventors: Min Kyu HWANG, Ji Ho Kim, Ki Tae Song