Patents by Inventor In-Sun Hwang

In-Sun 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).

  • PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20200178392
    Abstract: A printed circuit board includes: an insulating layer having a via hole formed therein; a single layer metal pad disposed in the insulating layer and having a center portion that is exposed by the via hole, the center portion of the pad having a higher roughness than peripheral portions of the pad; and a via formed in the via hole and connected to the center portion of the pad.
    Type: Application
    Filed: October 25, 2019
    Publication date: June 4, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Mi-Sun HWANG, Hye-Won JUNG, Jae-Sung SIM, Byung-Duk NA, Hee-Joon CHUN, Sun-A KIM, Deok-Man KANG
  • PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20200178390
    Abstract: A printed circuit board includes an insulating layer, a pad, and a via fill. The insulating layer includes a via hole. The pad is formed in the insulating layer such that an intermediate portion thereof is exposed by the via hole. The pad includes a through hole formed in the intermediate portion. The via fill is formed in the via hole, configured to fill the through hole, and coupled to the intermediate portion.
    Type: Application
    Filed: November 7, 2019
    Publication date: June 4, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Mi-Sun HWANG, Sun-A KIM
  • Battery management apparatus and method
    Patent number: 10670661
    Abstract: Provided are battery management apparatuses and methods. The battery management apparatus includes a sensitivity determiner configured to determine sensitivity of a battery state based on sensed battery information and previous battery state information, and an execution parameter adjuster configured to adjust a parameter for estimating the battery state based on the determined sensitivity of the battery state.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: June 2, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyo Sun Hwang, Jin Ho Kim, Sang Do Park, Tae Won Song
  • PRINTED CIRCUIT BOARD
    Publication number: 20200170110
    Abstract: A printed circuit board is provided. The printed circuit board includes an insulating material, and a circuit comprising a first region that partially penetrates the insulating material, and a second region formed on the first region and that protrudes from an upper portion of the insulating material, the first region includes a first electroplating layer and a first electroless plating layer that are formed between the insulating material and the first electroplating layer.
    Type: Application
    Filed: October 23, 2019
    Publication date: May 28, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seon-Ha KANG, Sa-Yong LEE, Mi-Sun HWANG, Ju-Ho KIM
  • Borosilicate glass, light guide plate comprising the same and fabricating methods thereof
    Patent number: 10662107
    Abstract: Provided is glass with high temperature stability, a low coefficient of thermal expansion and a high mechanical strength, a light guide plate including the glass to replace the conventional PMMA and metal frame, and fabricating methods thereof. The glass according to the present disclosure is borosilicate glass containing 75˜85 wt % of SiO2, 5˜15 wt % of B2O3, 0˜5 wt % of Al2O3, R2O 1˜7 wt % where R is at least one of Li, Na and K, and <0.005 wt % of Fe2O3 and having the redox ratio 0.5 or more. This glass maintains luminance and has an excellent color difference reduction effect when used in a light guide plate.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: May 26, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Du-Sun Hwang, Hyun-Jin Shim, Chang-Hee Lee, Byung-Kook Choi, Jun-Bo Choi
  • PRINTED CIRCUIT BOARD
    Publication number: 20200154568
    Abstract: A printed circuit board including: an insulating material; a metal layer stacked on a surface of the insulating material; and a via hole passing through the metal layer and the insulating material. The metal layer decreases in thickness in a region adjacent to the via hole, and an interface between the insulating material and the metal layer includes a region that is directed toward the via hole.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 14, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Byung-Duk NA, Hye-Won JUNG, Jae-Sung SIM, Mi-Sun HWANG, Hee-Joon CHUN, Deok-Man KANG, Sun-A KIM
  • Coil electronic component
    Patent number: 10650958
    Abstract: A coil electronic component includes a body portion and an external electrode. The body portion includes a coil layer and a reinforcing layer disposed on at least one of an upper portion and a lower portion of the coil layer. The external electrode is disposed on an outer surface of the body portion. The coil layer includes an insulating layer, a coil pattern, and a first conductivity type via penetrating through the insulating layer to be connected to the coil pattern, and the reinforcing layer has a higher degree of rigidity than the insulating layer.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Hui Jo, Han Lee, Mi Sun Hwang, Jeong Min Cho, Myung Sam Kang, Seok Hwan Ahn, Tae Hoon Kim
  • Case for electronic device
    Patent number: 10651882
    Abstract: A case for an electronic device includes a fastening part attachable and detachable to and from at least part of the electronic device, a cover that covers a first surface of the electronic device that faces a first direction, with the cover in a closed state, and a connecting part that connects the fastening part and the cover. The cover includes a base plate and a soft material part disposed in a second direction from the base plate, with the cover in the closed state, the second direction being opposite to the first direction, wherein at least a portion of the soft material part makes contact with the first surface of the electronic device.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: May 12, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul In Cho, Sang Won Lee, Heon Yeap Baek, Deok Whan Cha, Tae Seuk Kang, Eun Sun Hwang
  • THIN FILM TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20200144410
    Abstract: Provided is a thin film transistor. The thin film transistor includes a substrate, a channel part extending on the substrate in a first direction parallel to an upper surface of the substrate, source/drain electrodes connected to both ends of the channel part in the first direction, and a gate electrode spaced apart from the channel part in a second direction intersecting the first direction and parallel to the upper surface of the substrate. Each of the channel part, the source/drain electrodes, and the gate electrode is provided as a single layer.
    Type: Application
    Filed: November 4, 2019
    Publication date: May 7, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Himchan OH, Sun Jin YUN, Jeong Ik LEE, Chi-Sun HWANG
  • Photosensitive body including protective layer formed on photosensitive layer
    Patent number: 10642176
    Abstract: A photosensitive body is provided. The photosensitive body includes a photosensitive layer, and a protective layer formed on the photosensitive layer, and the protective layer includes a urethane oligomer acrylate and a modified perfluoropolyether acrylate.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: May 5, 2020
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Young-soo Ha, Sung-hoon Kang, Yong-jun Kwon, Seung-ju Kim, So-hyeon An, Hun Jung, Il-sun Hwang
  • RANDOM NUMBER GENERATOR, ENCRYPTION DEVICE INCLUDING THE SAME, AND METHOD OF OPERATING THE ENCRYPTION DEVICE
    Publication number: 20200136819
    Abstract: An encryption device for generating an electronic signature for security includes a random number generation module configured to generate at least one random number, a random number adjusting module configured to generate a one-time random number satisfying a random number condition in an elliptic curve cryptography-based digital signature algorithm (ECDSA) by adjusting the at least one random number; and an electronic signature generation module configured to generate the electronic signature using the one-time random number based on the ECDSA.
    Type: Application
    Filed: July 31, 2019
    Publication date: April 30, 2020
    Inventors: Ki-seok Bae, Hyo-sun Hwang, Ki-tak Kim, Jong-hoon Shin, Jin-su Hyun
  • Intelligent building automation apparatus of autonomous control and control method thereof
    Patent number: 10635067
    Abstract: A self-regulating intelligent building automation system includes: a smart sensing unit including a first sensing unit disposed in a first specific space and a second sensing unit disposed in a second specific space separated from the first specific space; a self-regulating terminal unit including a first self-regulating terminal disposed in the first specific space and a second self-regulating terminal disposed in the second specific space; a network management unit managing a network without a direct digital control unit and wirelessly communicating with the smart sensing unit and the self-regulating terminal unit; and a central monitoring unit connected to the network management unit via the Internet.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: April 28, 2020
    Assignee: NARA CONTROLS INC.
    Inventors: Gwan Sun Hwang, Dong Wook Ko, Se Woong Park
  • DEVICE AND METHOD OF PROVISIONING SECURE INFORMATION
    Publication number: 20200110888
    Abstract: A semiconductor device for provisioning secure information of a demander includes a device key storage configured to store a device key provisioned by a supplier of the semiconductor device, a master key generator configured to generate, based on the device key and demander data provisioned by the demander, a master key of the demander by using a first operation shared with the supplier and a second operation shared with the demander, and a cryptographic engine configured to perform a cryptographic operation based on the master key.
    Type: Application
    Filed: May 30, 2019
    Publication date: April 9, 2020
    Inventors: Kl-TAK KIM, KI-SEOK BAE, JIN-SU HYUN, YOUNG-MOON SONN, HYO-SUN HWANG
  • Borosilicate glass, light guide plate comprising the same and fabricating methods thereof
    Patent number: 10611672
    Abstract: Provided is glass with high temperature stability, a low coefficient of thermal expansion and a high mechanical strength, a light guide plate including the glass to replace the conventional PMMA and metal frame, and fabricating methods thereof. The glass according to the present disclosure is borosilicate glass containing 75˜85 wt % of SiO2, 5˜15 wt % of B2O3, 0˜5 wt % of Al2O3, R2O 1˜7 wt % where R is at least one of Li, Na and K, and <0.005 wt % of Fe2O3 and having the redox ratio 0.5 or more. This glass maintains luminance and has an excellent color difference reduction effect when used in a light guide plate.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: April 7, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Du-Sun Hwang, Hyun-Jin Shim, Chang-Hee Lee, Byung-Kook Choi, Jun-Bo Choi
  • Pressure sensing element
    Patent number: 10598558
    Abstract: Provided is a pressure sensing element including a first electrode, a pressure sensing unit on the first electrode, a second electrode disposed on the pressure sensing unit and having first and second points on a top surface thereof, a first elastic member on the second electrode, and a second elastic member on the first elastic electrode, wherein a thickness of the first elastic member decreases from the first point toward the second point, and a thickness of the second elastic member increases from the second point toward the first point.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: March 24, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seong Hyun Kim, Su Jae Lee, Kyoung Ik Cho, Chi-Sun Hwang
  • SEMICONDUCTOR DEVICE AND METHOD FOR FORMING THE SAME
    Publication number: 20200090943
    Abstract: A semiconductor device includes a stacked structure on a substrate. The stacked structure includes stepped regions and a central region between the stepped regions, an upper insulation layer on the stacked structure, and a capping insulation layer on the stepped regions of the stacked structure. The capping insulation layer includes a first upper end portion and a second upper end portion that are adjacent to the upper insulation layer. The upper insulation layer is between the first upper end portion and the second upper end portion. The first upper end portion and the second upper end portion extends a first height relative to the substrate that is different from a second height relative to the substrate of the second upper end portion.
    Type: Application
    Filed: June 6, 2019
    Publication date: March 19, 2020
    Inventors: CHANG SUN HWANG, HAN SOL SEOK, HYUN KU KANG, BYOUNG HO KWON, CHUNG KI MIN
  • ELECTROCHROMIC DEVICE
    Publication number: 20200081311
    Abstract: An electrochromic device according to the inventive concept includes a first electrode; a second electrode on the first electrode; and an electrochromic electrolyte layer and a nanostructure between the first and second electrodes. The nanostructure has a porous structure, and the electrochromic electrolyte layer includes phenothiazine or a compound represented by the following Formula 1: where R1 is hydrogen, C1-C6 alkyl or phenyl.
    Type: Application
    Filed: September 4, 2019
    Publication date: March 12, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Chil Seong AH, Hojun RYU, Juhee SONG, Tae-Youb KIM, Chi-Sun HWANG
  • Spectrometer, method of controlling output gain of spectrometer, and apparatus and method for measuring bio-information
    Patent number: 10585035
    Abstract: Provided is a spectrometer. The spectrometer includes: a light source part configured to emit light of a plurality of wavelengths onto an object; a detector configured to detect an optical signal of each of the plurality of wavelengths as reflected from the object; a controller configured to set an amplification gain for each of the plurality of wavelengths according to photoreaction properties of the object; and an amplifier configured to amplify an output signal of the detector by using the set amplification gain.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: March 10, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Wook Shim, Hyo Sun Hwang, Hyun Seok Moon, Hyeong Seok Jang
  • Determination circuit and apparatus, mobile transceiver, communication device, method for determining, computer program and storage to determine a spatial transmission mode
    Patent number: 10587043
    Abstract: Examples provide a determination circuit and apparatus, a mobile transceiver, a communication device, a method for determining, a computer program and a storage to determine a spatial transmission or reception mode. The determination circuit (10) is configured to determine a spatial transmission or reception mode for a mobile transceiver (100). The determination circuit (10) comprises at least one sensor (12) configured to sense attenuating object information, and a control module (14) configured to determine the spatial transmission or reception mode based on the sensed attenuating object information. The control module (14) is configured to control the spatial transmission or reception mode of the mobile transceiver (100).
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: March 10, 2020
    Assignee: Apple Inc.
    Inventors: Yeong-Sun Hwang, Holger Neuhaus, Stefan Fechtel, Bertram Gunzelmann
  • PIXEL CIRCUIT FOR CONFIGURING ACTIVE INPUT ARRAY AND INPUT DEVICE INCLUDING THE SAME
    Publication number: 20200072665
    Abstract: Provided is a pixel circuit.
    Type: Application
    Filed: August 27, 2019
    Publication date: March 5, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: CHUNWON BYUN, Young-deuk JEON, Chi-Sun HWANG, Chan-mo KANG, Yun-Jeong KIM, Hye Jin KIM, Seongdeok AHN, JEONG IK LEE, Seong Hyun KIM, Bock Soon NA