Patents by Inventor Ho Choo

Ho Choo 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: 20160095882
    Abstract: Provided are the tolerogenic dendritic cells for treating a myocardial infarction and a method for preparing the same, and more particularly, the tolerogenic dendritic cells for treating a myocardial infarction, which can treat cardiac insufficiency that occurs by excessive remodeling of left ventricle in the heart muscle recovery process after an acute myocardial infarction, and a method for preparing the tolergenic dendritic cells. According to the present invention, the inflammatory reaction and the excessive remodeling of left ventricle in the heart muscle recovery process after a myocardial infarction can be inhibited, and thus, the incidence rate of cardiac insufficiency can be significantly reduced, thereby being effectively used for treating a myocardial infarction.
    Type: Application
    Filed: October 7, 2014
    Publication date: April 7, 2016
    Inventors: Ki-Yuk Chang, Eun-Ho Choo, Hyo-Eun Park, Eun-Hye Park, Dae-Seog Lim, Jun-Ho Lee
  • Publication number: 20160099384
    Abstract: A light emitting device includes a light emitting structure having a plurality of light emitting regions including a first semiconductor layer, an active layer, a second semiconductor layer, a first electrode in one of the light emitting regions, a second electrode in another of the light emitting regions, and at least one connection electrode to sequentially connect the light emitting regions in series. The light emitting regions connected in series are divided into 1st to ith light emitting region groups. Areas of light emitting regions that belong to different groups are different. An area of a light emitting region which is more frequently used among the plurality of light emitting regions is larger than an area of a light emitting region which is less frequently used among the plurality of light emitting regions.
    Type: Application
    Filed: December 14, 2015
    Publication date: April 7, 2016
    Applicant: LG Innotek Co., Ltd.
    Inventors: Sung Kyoon Kim, Yun Kyung Oh, Sung Ho Choo
  • Patent number: 9296626
    Abstract: This invention relates to a method of manufacturing an organic-inorganic composite hybrid adsorbent by impregnating activated carbon nanopores with an oxide and a water treatment method using the same, and particularly, to an adsorbent including a porous adsorbent and ferrihydrite, goethite, hematite or magnetite incorporated into the porous adsorbent, and a manufacturing method thereof.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: March 29, 2016
    Assignee: Kyungpook National University Industry-Academic Cooperation Foundation
    Inventor: Kwang Ho Choo
  • Patent number: 9240433
    Abstract: A light emitting device including a light emitting structure comprising a plurality of light emitting regions comprising a first semiconductor layer, an active layer and a second semiconductor layer, a first electrode unit disposed on the first semiconductor layer in one of the light emitting regions, a second electrode unit disposed on the second semiconductor layer in another of the light emitting regions, and at least one connection electrode to sequentially connect the light emitting regions in series, wherein the light emitting regions connected in series are divided into 1st to ith light emitting region groups and areas of light emitting regions that belong to different groups are different (where 1<i?j, each of i and j is a natural number, and j is a last light emitting region group).
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: January 19, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sung Kyoon Kim, Yun Kyung Oh, Sung Ho Choo
  • Publication number: 20160007420
    Abstract: An LED lighting device comprises: a rectification circuit unit for receiving input power from a power source unit and outputting a rectified power; an LED unit having a plurality of LED channels connected in series and a resistor unit connected to the last end of the LED channels; a current sensing resistor; and a switch circuit unit comprising a plurality of switches, wherein an nth switch is connected to the rear end of an nth LED channel so as to control an operation of the nth LED channel and is controlled by a sum of a current of the nth switch and a current of an (n+1)th switch, which flows through the current sensing resistor.
    Type: Application
    Filed: February 5, 2014
    Publication date: January 7, 2016
    Applicant: LUMENS CO., LTD
    Inventors: Myeong-Kook Gong, Kyung Ho YOO, Kil Ho CHOO, Jong Il KIM, Young June LEE, Seung Jong Han
  • Patent number: 9172004
    Abstract: A light emitting device package includes a body having a cavity therein and first and second recesses inside the cavity of the body. The first and second electrode layers are provided in the first and second recesses, and a light emitting device is provided on the first and second electrode layers. The first and second bumps are provided under the light emitting device and attached to the first and second recesses.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: October 27, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Byeong Kyun Choi, Jae Won Seo, Sung Ho Choo
  • Patent number: 9172015
    Abstract: Provided are a light emitting device, a light emitting device package, and a lighting system. The light emitting device includes a substrate, a light emitting structure layer, a second electrode, a first electrode, a contact portion, and a first electrode layer. The first electrode is disposed in the substrate from a lower part of the substrate to a lower part of a first conductive type semiconductor layer in a region under an active layer. The contact portion is wider than the first electrode and makes contact with the lower part of the first conductive type semiconductor layer. The first electrode layer is disposed under the substrate and connected to the first electrode.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: October 27, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Sung Kyoon Kim, Woo Sik Lim, Myeong Soo Kim, Sung Ho Choo, Min Gyu Na
  • Patent number: 9153622
    Abstract: Disclosed is a light emitting device including a light emitting structure including a plurality of light emitting regions including a first semiconductor layer, an active layer and a second semiconductor layer, and a plurality of boundary regions disposed between the light emitting regions, a first electrode unit disposed on the first semiconductor layer in one of the light emitting regions, a second electrode unit disposed on the second semiconductor layer in another of the light emitting regions, at least one connection electrode to electrically connect the first semiconductor layer of one of adjacent light emitting regions to the second semiconductor layer of the other thereof, and an intermediate pad disposed on the first semiconductor layer or the second semiconductor layer in at least one of the light emitting regions, wherein the light emitting regions are connected in series through the connection electrode.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: October 6, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Sung Kyoon Kim, Yun Kyung Oh, Sung Ho Choo
  • Publication number: 20150135739
    Abstract: An ice bin and a method of crushing ice using the same, in which the ice bin includes a case having an upper portion configured to store ice produced by an ice maker, and a dispensing port at one side of a lower end or surface of the case configured to dispense the ice; a transferring unit that transfers the ice from a lower portion of the case to the upper portion of the case; and a crushing unit configured to crush the ice transferred by the transferring unit and discharge the ice to the dispensing port, wherein the crushing unit selectively discharges the ice as ice cubes or as crushed ice.
    Type: Application
    Filed: December 24, 2013
    Publication date: May 21, 2015
    Applicant: Dongbu Daewoo Electronics Corporation
    Inventor: Gwang Ho CHOO
  • Publication number: 20150135738
    Abstract: An ice bin and a method of transferring ice using the same include a case having an upper portion configured to store ice produced by an ice maker, and a dispensing port at one side of a lower end of the case configured to dispense ice to the outside; a transferring unit that transfers ice from a lower portion of the case to the upper portion of the case; and a crushing unit configured to crush ice transferred by the transferring unit, and discharge the crushed ice to the dispensing port.
    Type: Application
    Filed: December 13, 2013
    Publication date: May 21, 2015
    Applicant: Dongbu Daewoo Electronics Corporation
    Inventor: Gwang Ho CHOO
  • Patent number: 9029899
    Abstract: Disclosed are a light emitting device and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer, a first electrode on the first conductive semiconductor layer, a transparent electrode on the second conductive semiconductor layer, and a second electrode on the transparent electrode. The first electrode includes a first electrode pad on a first region of the first conductive semiconductor layer exposed from the second conductive semiconductor layer and the active layer and a first electrode finger part extending from the first electrode pad toward a second region, in which the first conductive semiconductor layer is exposed. A gap between the transparent electrode and the first electrode finger part is gradually narrowed from the first region toward the second region.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: May 12, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Sung Kyoon Kim, Sung Ho Choo, Hyun Seoung Ju, Jae Won Seo
  • Patent number: 8969883
    Abstract: The present invention discloses a light device and a fabrication method thereof. An object of the present invention is to provide the light device and the fabrication method thereof an electric/thermal/structural stability is obtained, and a P-type electrode and an N-type electrode can be simultaneously formed. In order to achieve the above object, the inventive light device includes: a GaN-based layer; a high concentration GaN-based layer formed on the GaN-based layer; a first metal-Ga compound layer formed on the high concentration GaN-based layer; a first metal layer formed on the first metal-Ga compound layer; a third metal-Al compound layer formed on the first metal layer; and a conductive oxidation preventive layer formed on the third metal-Al compound layer.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: March 3, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Sung Ho Choo, Ja Soon Jang
  • Publication number: 20150048405
    Abstract: Provided are a light emitting device, a light emitting device package, and a lighting system. The light emitting device includes a substrate, a light emitting structure layer, a second electrode, a first electrode, a contact portion, and a first electrode layer. The first electrode is disposed in the substrate from a lower part of the substrate to a lower part of a first conductive type semiconductor layer in a region under an active layer. The contact portion is wider than the first electrode and makes contact with the lower part of the first conductive type semiconductor layer. The first electrode layer is disposed under the substrate and connected to the first electrode.
    Type: Application
    Filed: September 25, 2014
    Publication date: February 19, 2015
    Inventors: Sung Kyoon KIM, Woo Sik LIM, Myeong Soo KIM, Sung Ho CHOO, Min Gyu NA
  • Publication number: 20150034999
    Abstract: Provided is a light emitting device. The light emitting device includes a light emitting structure layer comprising a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer. A first electrode is connected to the first conductive type semiconductor layer and includes first pad, plurality of first bridge portions and plurality of first contact portions. A current spreading layer is on a top surface of the second conductive type semiconductor layer. An insulation layer is on an upper surface of the first conductive type semiconductor layer and a top surface of the current spreading layer. A second electrode is on a top surface of the current spreading layer. The plurality of first bridge portions are extended from the first pad at an acute angle to each other.
    Type: Application
    Filed: October 21, 2014
    Publication date: February 5, 2015
    Inventors: Byeong Kyun CHOI, Sung Kyoon KIM, Woo Sik LIM, Sung Ho CHOO
  • Publication number: 20150021267
    Abstract: The present invention relates to a preparation method of a granular oxide adsorbent for water treatment in which a metal oxide is bound to the surface of polymer particles, and more specially, to a preparation method of a granular oxide adsorbent, comprising the following steps: putting polymer particles in an acidic solution; adding polymer particles to a metal oxide aqueous solution and adjusting a pH; and washing and drying the obtained product. Accordingly, a granular oxide adsorbent prepared by the preparation method is provided and is utilized in water treatment and the like.
    Type: Application
    Filed: December 28, 2012
    Publication date: January 22, 2015
    Inventor: Kwang-Ho Choo
  • Publication number: 20150017019
    Abstract: Disclosed are a mobile hydraulic generator having rapid response by scattering a small motor for generating a flow of fluid and a small pump, and a control method thereof. The mobile hydraulic generator includes: a flow generator including n pumps operated by n motors to generate an amount of a hydraulic fluid; a proportional hydraulic control valve to control output hydraulic pressure according to the amount of the hydraulic fluid; a pressure sensor to detect the output hydraulic pressure; and a hydraulic servo loop controller to which required hydraulic pressure and required amount of fluid are input by a user, to which feedback the output hydraulic pressure, to generate a pressure control signal for controlling the proportional hydraulic control valve based on the required hydraulic pressure and a change amount of the output hydraulic pressure and to generate an RPM input signal for controlling RPM of the n motors.
    Type: Application
    Filed: July 10, 2014
    Publication date: January 15, 2015
    Inventors: Sung Moo Ryu, Seong Cheol Jang, Hyoung Kwon Kim, Young Ho Choo, Dae Gyeong Kim
  • Patent number: 8928015
    Abstract: A light emitting device including a first conductive type semiconductor layer, an active layer on the first conductive type semiconductor layer, a second conductive type semiconductor layer on the active layer, an electrode layer on the second conductive type semiconductor layer, a first electrode on the first conductive type semiconductor layer, and a second electrode on the second conductive type semiconductor layer and in an opening, the opening being in the electrode layer, wherein the second electrode has a first portion in the opening and a second portion extending from the first portion and overlapping at least a portion of the first electrode.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: January 6, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Woo Sik Lim, Sung Ho Choo
  • Publication number: 20140332839
    Abstract: A light emitting device package includes a body having a cavity therein and first and second recesses inside the cavity of the body. The first and second electrode layers are provided in the first and second recesses, and a light emitting device is provided on the first and second electrode layers. The first and second bumps are provided under the light emitting device and attached to the first and second recesses.
    Type: Application
    Filed: May 1, 2014
    Publication date: November 13, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Byeong Kyun CHOI, Jae Won SEO, Sung Ho CHOO
  • Patent number: 8884328
    Abstract: Provided is a light emitting device. The light emitting device includes a light emitting structure layer comprising a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer, a first electrode connected to the first conductive type semiconductor layer, a current spreading layer on the second conductive type semiconductor layer, an insulation layer on the first electrode, and a second electrode comprising at least one bridge portion on the insulation layer and a first contact portion contacting at least one of the second conductive type semiconductor layer and the current spreading layer.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: November 11, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Woo Sik Lim, Sung Kyoon Kim, Sung Ho Choo, Byeong Kyun Choi
  • Patent number: 8878212
    Abstract: A light emitting device includes a substrate, at least one electrode, a first contact layer, a second contact layer, a light emitting structure layer, and an electrode layer. The electrode is disposed through the substrate. The first contact layer is disposed on a top surface of the substrate and electrically connected to the electrode. The second contact layer is disposed on a bottom surface of the substrate and electrically connected to the electrode. The light emitting structure layer is disposed above the substrate at a distance from the substrate and electrically connected to the first contact layer. The light emitting structure layer includes a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer. The electrode layer is disposed on the light emitting structure layer.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: November 4, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Woo Sik Lim, Sung Kyoon Kim, Sung Ho Choo, Hee Young Beom