Patents by Inventor In-Yong Hwang

In-Yong 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).

  • METHOD AND APPARATUS FOR REUSING ACCESS STRATUM CONTEXT THROUGH UNIQUE BASE STATION IDENTIFIER, AND METHOD AND APPARATUS FOR RESUMING RADIO RESOURCE CONTROL (RRC) CONNECTION BY USING THE SAME
    Publication number: 20170202051
    Abstract: Provided is a method for resuming, by a first base station, a radio resource control (RRC) connection suspended by a second base station. The first base station receives an RRC connection resume request message including a first identifier and a resume identifier for identifying the second base station from a terminal. The first base station identifies the second base station using the first identifier. Further, the first base station acquires access stratum (AS) context information matching the resume identifier from the second base station, using the resume identifier.
    Type: Application
    Filed: January 11, 2017
    Publication date: July 13, 2017
    Applicant: Electronics and Telecommunications Research Institute
    Inventor: Hyun-Yong HWANG
  • Display device
    Patent number: 9696588
    Abstract: A display device includes an optical member, a display panel disposed on the optical member, and a plurality of light emitting units disposed under the optical member, the optical member comprising, a diffusion layer, and a reflectivity control layer which is disposed under the diffusion layer and reflects a light provided from the light emitting units, including a first base material, reflective materials dispersed in the first base material, a plurality of first portions corresponding to the plurality of light emitting units, and a second portion disposed adjacent to the first portions, where each of the plurality of first portions comprises a greater amount of the reflective materials than the second portion, when a first portion and a second portion represent a unit area having a predetermined size.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: July 4, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Juhwa Ha, Seong-Yong Hwang, Dohun Kim, Young-Min Park, Yongkyu Kang, Byung-Seo Yoon, Juyoun Son
  • Metal oxide semiconductor gas sensor having nanostructure and method for manufacturing same
    Patent number: 9689785
    Abstract: Disclosed is a metal oxide semiconductor gas sensor having a nanostructure, the metal oxide semiconductor gas sensor including: a substrate; a first electrode formed on the substrate; a gas sensing layer provided on the first electrode, made of a metal oxide semiconductor which has a nanostructure and of which electrical conductivity changes when the metal oxide semiconductor reacts with gas to be sensed, and formed by oblique angle deposition; a second electrode formed on the metal oxide semiconductor; and a control unit for measuring the electrical conductivity of the gas sensing layer to sense the gas by applying a predetermined amount of current through the first and the second electrodes.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: June 27, 2017
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Jong Kyu Kim, Hyun Ah Kwon, Sun Yong Hwang
  • Lamp for vehicle
    Patent number: 9677735
    Abstract: A lamp for a vehicle is provided and includes a first lamp module having an interior lens and at least one first light source. The first light source is configured to emit light toward the interior lens. Additionally, a second lamp module is disposed on a first side of the first lamp module and emits light and a third lamp module is disposed on a second side of the first lamp module and emits light and has an emission area that is different from the second lamp module.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: June 13, 2017
    Assignee: SL Corporation
    Inventors: Aaron Hardy, Elke Dieter, Ju Yong Hwang
  • Power amplifier having stack structure
    Patent number: 9680427
    Abstract: A power amplifier having a stack structure comprises a first driver stage that receives a power voltage from a power supply and receives and amplifies an input signal; a second driver stage that receives the power voltage from the power supply, has an input terminal connected with an output terminal of the first driver stage, and receives and amplifies an output signal from the first driver stage; and a power stage that has a power input terminal connected with a ground terminal of the first driver stage and a ground terminal of the second driver stage and receives a virtual ground voltage, and has an input terminal connected with an output terminal of the second driver stage and receives and amplifies an output signal from the second driver stage.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: June 13, 2017
    Assignee: SOONGSIL UNIVERSITY RESEARCH CONSORTIUM TECHNO-PARK
    Inventors: Ho Yong Hwang, Chang Kun Park
  • Display device including support frame having reflective stepped portion
    Patent number: 9658487
    Abstract: A display device includes a display panel which displays an image, a backlight unit which generates light and emits the light toward the display panel, a supporting member which supports edge parts of the display panel, and an accommodation member defining an accommodation space in which the backlight unit and the supporting member are disposed. In the accommodation space, the backlight unit includes a light source which generates the light, and a side-emitting lens which covers the light source and through which the light generated by the light source is emitted. In the accommodation space, the supporting member defines a plurality of stepped parts, where the plurality of stepped parts extended toward the light source has a light reflecting characteristic.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung-seo Yoon, Sanghoon Lee, Seong-yong Hwang
  • REFRIGERATOR
    Publication number: 20170108266
    Abstract: A refrigerator includes a mid-frame positioned on a front surface of the main body wall and a heater configured to heat the mid-frame and provided at the mid-frame. The mid-frame includes a front frame provided to cover at least a part of a front surface of the at least one inner box configured to form the main body wall, and an extension frame formed to extend rearward from the front frame and including an edge portion in which an end portion of the extension frame has a thickness greater than that of an adjacent extension frame.
    Type: Application
    Filed: October 14, 2016
    Publication date: April 20, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Bum Kim, Kyung Mok Yoo, Hyun Joo Kim, Kwang Su Heo, Eung Ryeol Seo, In-Yong Hwang, Ji Hoon Choi, Jeong Hoon Kang, Mi Jung Lee
  • Apparatus for cooling inverter
    Patent number: 9622390
    Abstract: An apparatus for cooling inverter is disclosed, whereby an optimum heat radiation effect can be accomplished, because a flow part is divided in response to heat generation amount of an electric element arranged inside a housing to adjust an air flow.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: April 11, 2017
    Assignee: LSIS CO., LTD.
    Inventor: Soo Yong Hwang
  • Apparatus, method and computer readable recording medium for sharing real time video through chatting window of messenger service
    Patent number: 9590932
    Abstract: A method of sharing video through a chatting window of a messenger service includes generating a chatting window according to a request to create the chatting window. The request to create the chatting window is received from one of a plurality of chatting window participants. The chatting window includes a first portion where messages are to be displayed and a second portion where video is to be displayed. The first portion is allocated according to the request to generate the chatting window. A request to share video is received by at least one of the plurality of chatting window participants. The second portion is allocated according to the request to share video. The video is provided by displaying the video in the second portion, where at least one of the chatting window participants accessing the video via the second portion.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: March 7, 2017
    Assignee: Naver Corporation
    Inventors: Jeong Yong Hwang, Jeanie Jung
  • Optical pattern sheet, backlight unit, and liquid crystal display having the same
    Patent number: 9588273
    Abstract: A backlight unit including an optical pattern sheet and a liquid crystal display are provided. The backlight unit includes a light guide plate, a light source portion arranged adjacent to a side surface of the light guide plate to emit light, a mold frame having an extension portion that covers an upper portion of the light source portion and a part of an upper portion of the light guide plate, and an optical pattern sheet arranged on a lower portion of the extension portion to shade or diffuse incident light, wherein the optical pattern sheet includes a base film and an optical pattern portion positioned on the base film.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: March 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Hwa Song, Do Hun Kim, Dong Hoon Kim, Joong Hyun Kim, Sang Hoon Lee, Ji Won Lee, Seong Yong Hwang
  • LAMP FOR VEHICLE
    Publication number: 20170059108
    Abstract: A lamp for a vehicle is provided and includes a first lamp module having an interior lens and at least one first light source. The first light source is configured to emit light toward the interior lens. Additionally, a second lamp module is disposed on a first side of the first lamp module and emits light and a third lamp module is disposed on a second side of the first lamp module and emits light and has an emission area that is different from the second lamp module.
    Type: Application
    Filed: August 27, 2015
    Publication date: March 2, 2017
    Inventors: Aaron Hardy, Elke Dieter, Ju Yong Hwang
  • GRAPHENE-COATED POROUS SILICON-CARBON COMPOSITE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20170047584
    Abstract: Provided are a porous silicon-carbon composite, which includes a core including a plurality of active particles, a conductive material formed on at least a portion of surfaces of the active particles, first pores, and second pores, and a first shell layer which is coated on the core and includes graphene, wherein the active particles include a plurality of silicon particles, silicon oxide particles, or a combination thereof, the first pores are present in the core and are formed by agglomeration of the plurality of active particles, and the second pores are irregularly dispersed and present in the core, has an average particle diameter smaller than an average particle diameter of the active particles, and are spherical, a method of manufacturing the same, and a negative electrode and a lithium secondary battery including the porous silicon-carbon composite.
    Type: Application
    Filed: May 8, 2015
    Publication date: February 16, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Eui Yong HWANG, In Young KIM, Jin Yeong LEE, Won Jong KWON, Kwon Nam SOHN, Seung Bo YANG
  • Light guide plate for backlight and manufacturing method therefor
    Patent number: 9568657
    Abstract: A light guide plate for a backlight. The light guide plate includes: a light source unit for generating light; a light guide plate proximate to the light source unit and including an upper surface and a lower surface; and a light emission pattern configured to diffuse a portion of the light directed toward an image display panel, and a first straight pattern configured to channel the light along a direction substantially parallel to a direction of propagation of the light generated by the light source unit, both the light emission pattern and the first straight pattern being disposed on one of the upper surface and the lower surface of the light guide plate, in which the first straight pattern has peaks and valleys formed in alternating and repeating manner in a direction substantially perpendicular to a direction of propagation of the light generated by the light source unit.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Young Song, Seong-Yong Hwang, Joong-Hyun Kim, Sang-Won Lee, Jin-Sung Choi, Ju-Hwa Ha, Jin Seo, Yong-Kyu Kang
  • POWER AMPLIFIER HAVING STACK STRUCTURE
    Publication number: 20170040957
    Abstract: A power amplifier having a stack structure comprises a first driver stage that receives a power voltage from a power supply and receives and amplifies an input signal; a second driver stage that receives the power voltage from the power supply, has an input terminal connected with an output terminal of the first driver stage, and receives and amplifies an output signal from the first driver stage; and a power stage that has a power input terminal connected with a ground terminal of the first driver stage and a ground terminal of the second driver stage and receives a virtual ground voltage, and has an input terminal connected with an output terminal of the second driver stage and receives and amplifies an output signal from the second driver stage.
    Type: Application
    Filed: October 19, 2016
    Publication date: February 9, 2017
    Applicant: SOONGSIL UNIVERSITY RESEARCH CONSORTIUM TECHNO-PARK
    Inventors: Ho Yong HWANG, Chang Kun PARK
  • METHOD FOR PREPARING CARBON NANOTUBE, AND DISPERSION COMPOSITION OF CARBON NANOTUBE
    Publication number: 20170036914
    Abstract: The present invention relates to a method for preparing carbon nanotubes which are capable of more effectively preparing carbon nanotubes having a uniform and fine size, and a dispersion composition of carbon nanotubes obtained using the same. The method for preparing carbon nanotube comprises the steps of: forming a dispersion comprising carbon nanotube bundles, a dispersant and a solvent; and enabling the dispersion to consecutively pass through a high pressure homogenizer, wherein the dispersant is a mixture of plural kinds of polyaromatic hydrocarbon oxides, and the carbon nanotube bundles are pulverized or disentangled while passing through a microchannel of the high pressure homogenizer under a shear force to form carbon nanotubes.
    Type: Application
    Filed: May 15, 2015
    Publication date: February 9, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Kwon Nam Sohn, Kil Sun Lee, Won Jong Kwon, Su Jin Park, Byung Hun Oh, Eui Yong Hwang, Seung Bo Yang, Kwang Hyun Yoo, Mi Jin Lee
  • Method of manufacturing nanowire array using induced growth
    Patent number: 9564318
    Abstract: Provided is a method of manufacturing a nanowire array using induced growth, in which a nitride inorganic nanowire is grown from a nitride seed by forming the nitride seed on a sapphire or silicon substrate, forming an organic nanowire pattern and a dielectric nanotunnel using the nanowire pattern as a template on the nitride seed, and using the nanotunnel as an induced growth mask.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: February 7, 2017
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Jun Hyuk Park, Jong Kyu Kim, Sun Yong Hwang
  • CABINET FOR ELECTRIC DEVICE HAVING COOLING STRUCTURE
    Publication number: 20170034948
    Abstract: Disclosed embodiments relate to a cabinet for electric devices and, more particularly, to a cabinet for electric devices which is capable of regulating flow of air employed as a cooling medium to uniformly cool the interior of the cabinet. In some embodiments, the cabinet includes a plurality of device accommodation spaces for accommodating the electric devices in a stacking manner, a ventilation duct for discharging heat generated from the device accommodation spaces, a heat dissipation fan for discharging hot air from the ventilation duct, and a plurality of connection ducts for connecting the device accommodation spaces to the ventilation duct, wherein a flow rate and flow velocity of air passing through each of the connection ducts is adjusted by differentiating flow resistances in the connection ducts provided to the respective layers from each other.
    Type: Application
    Filed: July 28, 2016
    Publication date: February 2, 2017
    Inventor: Soo-Yong HWANG
  • Inlet of underground reservoir having multiple-stage structure
    Patent number: 9534369
    Abstract: According to one aspect of the invention, an inlet of an underground reservoir having a multiple-stage structure includes: a flow portion, wherein water flowing in the flow portions; a drop portion transporting the water to a underground reservoir from the flow portion; and an inlet portion having a multiple-stage structure to generate a vortex in the water to be transported to the drop portion.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: January 3, 2017
    Assignee: Korea Institute of Construction Technology
    Inventors: Dong Sop Rhee, Gil Je Cho, Du Han Lee, Seung Yong Hwang, Myoung Hwan Kim
  • METHOD AND APPARATUS FOR CONTROLLING RANDOM ACCESS OPPORTUNITY IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20160381715
    Abstract: A base station infers a random access failure rate depending on a random access collision of terminals performing random access and controls a random access opportunity of a terminal that fails the random access by using the random access failure rate of each terminal. Also, information for the controlled random access opportunity is transmitted to the terminal that fails the random access.
    Type: Application
    Filed: June 24, 2016
    Publication date: December 29, 2016
    Inventors: Changhee LEE, Taesoo KWON, Jae Heung KIM, Jung-Im KIM, Ok-Sun PARK, JaeSheung SHIN, Sung-Min OH, Hyun-yong HWANG
  • RANDOM ACCESS METHOD AND DEVICE
    Publication number: 20160381713
    Abstract: Disclosed is a random access method and device. A terminal generates a random number for a random access, and compares the random number and a setting value. When the random number is included in the setting value, the terminal transmits a preamble for a random access to a base station and attempts a random access.
    Type: Application
    Filed: June 23, 2016
    Publication date: December 29, 2016
    Inventor: Hyun-Yong HWANG