Patents by Inventor Young Soo Ahn

Young Soo Ahn 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: 20110305891
    Abstract: The present disclosure provides an apparatus for manufacturing a silicon substrate for solar cells using continuous casting, and a method for manufacturing a silicon substrate using the same. The apparatus includes a raw silicon feeder, a silicon melting unit melting raw silicon to form molten silicon, a molten silicon storage unit storing the molten silicon supplied from the silicon melting unit and tapping the molten silicon to provide a silicon melt having a constant thickness, a transfer board transferring the tapped silicon melt, and a silicon substrate forming unit cooling the silicon melt transferred by the transfer board to form a silicon substrate. The molten silicon stored in the molten silicon storage unit has a surface temperature of 1300˜1500° C., the transfer board is preheated to 700˜1400° C., and a transfer time of the silicon substrate after tapping the molten silicon from the molten silicon storage unit is 0.5˜3.5 seconds.
    Type: Application
    Filed: June 13, 2011
    Publication date: December 15, 2011
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Bo-Yun JANG, Jin-Seok LEE, Young-Soo AHN
  • Publication number: 20110303290
    Abstract: The present disclosure provides a method and apparatus for manufacturing a silicon substrate using inert gas blowing during continuous casting to provide excellent productivity and surface quality. The apparatus includes a raw silicon feeder through which raw silicon is fed, a silicon melting unit disposed under the raw silicon feeder and melting the raw silicon to form molten silicon, a molten silicon storage unit storing the molten silicon supplied from the silicon melting unit and tapping the molten silicon to provide a silicon melt having a constant thickness, a transfer unit transferring the silicon melt tapped from the molten silicon storage unit, and a cooling unit cooling the silicon melt transferred by the transfer unit. Here, the cooling unit cools the silicon melt by blowing inert gas at a rate of 0.1˜2.5 Nm3/h.
    Type: Application
    Filed: June 13, 2011
    Publication date: December 15, 2011
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Bo-Yun JANG, Jin-Seok LEE, Young-Soo AHN
  • Publication number: 20110192837
    Abstract: Disclosed herein are a graphite crucible for electromagnetic induction-based silicon melting and an apparatus for silicon melting/refining using the same, which performs a melting operation by a combination of indirect melting and direct melting. The crucible is formed of a graphite material and includes a cylindrical body having an open upper part through which a silicon raw material is charged into the crucible, and an outer wall surround by an induction coil, wherein a plurality of first slits are vertically formed through the outer wall and an inner wall of the crucible, and a plurality of second slits are vertically formed from an edge of a disc-shaped bottom of the crucible toward a center of the bottom.
    Type: Application
    Filed: November 17, 2008
    Publication date: August 11, 2011
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Bo Yun Jang, Young Soo Ahn, Joon Soo Kim, Sang Hyun Park, Dong Kook Kim, Gwon Jong Yu
  • Publication number: 20110159221
    Abstract: Disclosed herein is a method of manufacturing inorganic hollow yarns, such as cermets, oxide-non oxide composites, poorly sinterable non-oxides, and the like, at low costs. The method includes preparing a composition comprising a self-propagating high temperature reactant, a polymer and a dispersant, wet-spinning the composition through a spinneret to form wet-spun yarns, washing and drying the wet-spun yarns to form polymer-self propagating high temperature reactant hollow yarns, and heat-treating the polymer-self propagating high temperature reactant hollow yarns to remove a polymeric component from the polymer-self propagating high temperature reactant hollow yarns while inducing self-propagating high temperature reaction of the self-propagating high temperature reactant to form inorganic hollow yarns. The composition comprises 45˜60 wt % of the self-propagating high temperature reactant, 6˜17 wt % of the polymer, 0.1˜4 wt % of the dispersant, and the balance of an organic solvent.
    Type: Application
    Filed: September 9, 2010
    Publication date: June 30, 2011
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Churl-Hee CHO, Do-Kyung KIM, Jeong-Gu YEO, Young-Soo Ahn, Dong-Kook KIM, Hong-Soo KIM
  • Publication number: 20110134073
    Abstract: The present invention relates to a capacitive touch panel device of a high-sensitivity digital system.
    Type: Application
    Filed: July 2, 2009
    Publication date: June 9, 2011
    Inventor: Young Soo Ahn
  • Patent number: 7705923
    Abstract: A polarizer integrated with a transparent conductive film for a liquid crystal display includes a lower film an optical film and a transparent conductive film. A touch panel integrated with the polarizer is formed by attaching an upper sheet to the upper surface of the polarizer integrated with a transparent conductive film. A flat panel display with an integral type touch panel includes a touch panel integrated with the flat panel display having a lower polarizer, a liquid crystal display and an upper polarizer.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: April 27, 2010
    Assignees: LG Display Co., Ltd., LG Chemical Co. Ltd.
    Inventors: Yun Cheol Jeong, Young Soo Ahn, Jang Youl Rhee, Byoung Hyun Jeong
  • Publication number: 20100095883
    Abstract: Disclosed herein are a graphite crucible for electromagnetic induction-based silicon melting and an apparatus for silicon melting/refining using the same, which performs a melting operation by a combination of indirect melting and direct melting. The crucible is formed of a graphite material and includes a cylindrical body having an open upper part through which a silicon raw material is charged into the crucible, and an outer wall surrounded by an induction coil, wherein a plurality of slits are vertically formed through the outer wall and an inner wall of the crucible such that an electromagnetic force created by an electric current flowing in the induction coil acts toward an inner center of the crucible to prevent a silicon melt from contacting the inner wall of the crucible.
    Type: Application
    Filed: September 28, 2009
    Publication date: April 22, 2010
    Inventors: Bo Yun JANG, Young Soo Ahn, Joon Soo Kim, Sang Hyun Park, Dong Kook Kim, Gwon Jong Yu
  • Publication number: 20090168169
    Abstract: A polarizer integrated with a transparent conductive film for a liquid crystal display includes a lower film an optical film and a transparent conductive film. A touch panel integrated with the polarizer is formed by attaching an upper sheet to the upper surface of the polarizer integrated with a transparent conductive film. A flat panel display with an integral type touch panel includes a touch panel integrated with the flat panel display having a lower polarizer, a liquid crystal display and an upper polarizer.
    Type: Application
    Filed: February 26, 2009
    Publication date: July 2, 2009
    Inventors: Yun Cheol Jeong, Young Soo Ahn, Jang Youl Rhee, Byoung Hyun Jeong
  • Patent number: 7508461
    Abstract: A polarizer integrated with a transparent conductive film for a liquid crystal display includes a lower film an optical film and a transparent conductive film. A touch panel integrated with the polarizer is formed by attaching an upper sheet to the upper surface of the polarizer integrated with a transparent conductive film. A flat panel display with an integral type touch panel includes a touch panel integrated with the flat panel display having a lower polarizer, a liquid crystal display and an upper polarizer.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: March 24, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Yun Cheol Jeong, Young Soo Ahn, Jang Youl Rhee, Byoung Hyun Jeong
  • Publication number: 20080002135
    Abstract: Provided are a display device and a method for manufacturing the same. The display device includes a display panel, an additional panel, and a gap maintaining member. The display panel includes a display face displaying an image and a rear face facing the display face. The additional panel faces one of the display face and the rear face in the display panel. The gap maintaining member is partially disposed between the display panel and the additional panel to maintain a gap between the display panel and the additional panel.
    Type: Application
    Filed: December 29, 2006
    Publication date: January 3, 2008
    Inventor: Young Soo Ahn
  • Patent number: 7137401
    Abstract: Non-polymeric drag reducing agents in the form of maleated fatty acids and the esters thereof and the organic, inorganic or amine salts thereof are described herein. These additives are useful to reduce drag in hydrocarbon fluids and multi-phase fluids of hydrocarbon(s) and water. No injection probes or other special equipment is expected to be required to introduce the drag reducing agent into the liquid stream, nor is grinding (cryogenic or otherwise) of the additive necessary to form a suitable drag reducing agent. The drag reducing additives of the invention are not subject to shear degradation and do not cause undesirable changes in the emulsion or fluid quality of the fluid being treated, or undesirable foaming.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: November 21, 2006
    Assignee: Baker Hughes Incorporated
    Inventors: Vladimir Jovancicevic, Young Soo Ahn
  • Patent number: 7009593
    Abstract: The present invention discloses a first frame, a liquid crystal panel supported by the first frame, the liquid crystal panel having a display region and a side wall portion, a digitizer located on the liquid crystal panel, the digitizer having a peripheral portion, and a second frame having a front surface with an opening region and a side wall portion, the front surface pressurizing the peripheral portion of the digitizer, the opening region formed at a location corresponding to the display region of the liquid crystal panel.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: March 7, 2006
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Young-Jin Oh, Yun-Cheol Jeong, Young-Soo Ahn
  • Patent number: 6876355
    Abstract: A touch panel-mounted liquid crystal panel minimizes picture distortion upon driving of the touch panel. In the liquid crystal panel, a lower glass substrate has switching devices provided in the vicinity of intersections between data lines and gate lines. An upper glass substrate has a black matrix joined to it. Patterned clusters of spacers are positioned at an area corresponding to the black matrix in such a manner to enlarge its contact area with the upper glass substrate, thereby keeping a uniform distance between the upper and lower glass substrates. The enlarged contact area allows the patterned clusters of spacers to sufficiently absorb a pressure load of a finger or a stylus pen. Accordingly, uniform distance between the upper and lower glass substrates is maintained even upon driving the touch panel. As a result, light deterioration and local image distortion is prevented or minimized.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: April 5, 2005
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Young Soo Ahn, Yun Cheol Jeong, Young Jin Oh
  • Publication number: 20050030294
    Abstract: An improved touch panel with polarizer, a flat panel display with touch panel, and a laminating method. The improvement having an adhesive layer, provided on an upper base of the polarizer in order to manufacture a laminate structure; or dot spacers formed between transparent conductive films are formed so that substrates can be laminated to each other. The touch panel with polarizer includes: dot spacers between transparent conductive films so that substrates can be laminated to each other; the polarizer bonded to a lower sheet has an adhesive layer bonded to the touch panel causing the polarizer to be integrated with the panel, and another adhesive layer causing the polarizer to be bonded to the liquid crystal display; and the other polarizer is bonded to the liquid crystal display. A touch panel is bonded together, and a polarizer is bonded to the panel, and the liquid crystal display is bonded to an adhesive layer on the polarizer.
    Type: Application
    Filed: March 15, 2004
    Publication date: February 10, 2005
    Inventors: Young-Soo Ahn, Tae-Ho Cheon
  • Publication number: 20040189882
    Abstract: A polarizer integrated with a transparent conductive film for a liquid crystal display includes a lower film an optical film and a transparent conductive film. A touch panel integrated with the polarizer is formed by attaching an upper sheet to the upper surface of the polarizer integrated with a transparent conductive film. A flat panel display with an integral type touch panel includes a touch panel integrated with the flat panel display having a lower polarizer, a liquid crystal display and an upper polarizer.
    Type: Application
    Filed: January 7, 2004
    Publication date: September 30, 2004
    Inventors: Yun Cheol Jeong, Young Soo Ahn, Jang Youl Rhee, Byoung-Hyun Jeong
  • Patent number: 6798482
    Abstract: An in-plane switching mode liquid crystal display device includes first and second opposed substrates having inner surfaces in which a liquid crystal layer formed therebetween, a data bus line and a gate bus line arranged perpendicularly and/or horizontally in a matrix on the first substrate thereby defining a unit pixel region, and a pair of data electrode and common electrode applying a plane electric field in the liquid crystal layer, the electrodes being inclined with respect to the data bus line and parallel to each other.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: September 28, 2004
    Assignee: LG.Philips LCD Co., Ltd
    Inventors: Seong Moh Seo, Yong Sung Ham, Jong Jin Park, Hyun Ho Shin, Young Soo Ahn
  • Patent number: 6765629
    Abstract: A polarizer integrated with a transparent conductive film for a liquid crystal display includes a lower film an optical film and a transparent conductive film. A touch panel integrated with the polarizer is formed by attaching an upper sheet to the upper surface of the polarizer integrated with a transparent conductive film. A flat panel display with an integral type touch panel includes a touch panel integrated with the flat panel display having a lower polarizer, a liquid crystal display and an upper polarizer.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: July 20, 2004
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Yun Cheol Jeong, Young Soo Ahn, Jang Youl Rhee, Byoung Hyun Jeong
  • Publication number: 20040080678
    Abstract: The present invention discloses a first frame, a liquid crystal panel supported by the first frame, the liquid crystal panel having a display region and a side wall portion, a digitizer located on the liquid crystal panel, the digitizer having a peripheral portion, and a second frame having a front surface with an opening region and a side wall portion, the front surface pressurizing the peripheral portion of the digitizer, the opening region formed at a location corresponding to the display region of the liquid crystal panel.
    Type: Application
    Filed: October 14, 2003
    Publication date: April 29, 2004
    Inventors: Young-Jin Oh, Yun-Cheol Jeong, Young-Soo Ahn
  • Patent number: 6707450
    Abstract: An improved touch panel with polarizer, a flat panel display with touch panel, and a laminating method. The improvement having an adhesive layer, provided on an upper base of the polarizer in order to manufacture a laminate structure; or dot spacers formed between transparent conductive films are formed so that substrates can be laminated to each other. The touch panel with polarizer includes: dot spacers between transparent conductive films so that substrates can be laminated to each other; the polarizer bonded to a lower sheet has an adhesive layer bonded to the touch panel causing the polarizer to be integrated with the panel, and another adhesive layer causing the polarizer to be bonded to the liquid crystal display; and the other polarizer is bonded to the liquid crystal display. A touch panel is bonded together, and a polarizer is bonded to the panel, and the liquid crystal display is bonded to an adhesive layer on the polarizer.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: March 16, 2004
    Assignee: ATouch Co., Ltd.
    Inventors: Young-Soo Ahn, Tae-Ho Cheon
  • Patent number: 6670949
    Abstract: An apparatus for locating a point physically touched and producing an electrical signal corresponding to the location includes an insulating substrate; a resistor touch pattern supported on the insulating substrate; and a protective insulating plate arranged over the resistive touch pattern. The resistive touch pattern has a plurality of strip resistors parallel to a center line; a plurality of linear resistors connected to the strip resistors, the resistance of the linear resistors decreasing with distance from the center line; first and third terminals positioned on an intermediate point of alternate edges of the touch pattern; and second and fourth terminals, positioned on an intermediate point of other alternate edges of the touch pattern. The resistive value of the linear resistors selected for a corresponding strip resistor so as to produce equal potential at a corresponding selected point on all said strip resistors.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: December 30, 2003
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Young-Soo Ahn, Yun-Cheol Jeong, Young-Jin Oh