Patents by Inventor Won Chang

Won Chang 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: 10184981
    Abstract: Provided is an apparatus for measuring an input time of an input signal, and more particularly, an apparatus for measuring an input time of an input signal more precisely than a reference clock using a delay circuit. The apparatus for measuring an input time of an input signal includes: a signal input unit receiving a signal; a clock generation unit generating a reference clock; a delay unit including at least one delay circuit generating at least one delayed clock by delaying the reference clock; a detection unit detecting a signal input from the signal input unit, depending on a clock signal input from the clock generation unit and delay circuits; and an operation unit operating an input time of an input signal from the signal input unit based on data detected by the detection unit.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: January 22, 2019
    Assignee: Korea Aerospace Research Institute
    Inventors: Jae-Won Chang, Tae-Sik Kim, Jung Wook Hyun
  • Patent number: 10147940
    Abstract: An electrode active material, a method of manufacturing the same, and an electrode and a lithium battery adopting the same. The electrode active material includes a core capable of occluding and emitting lithium; and a surface treatment layer formed on at least a portion of a surface of the core, wherein the surface treatment layer includes a lithium-free oxide having a spinel structure.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: December 4, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-chang Choi, Jin-hwan Park
  • Patent number: 10135256
    Abstract: A non-contact power transmission device includes a power transmission unit configured to contactlessly provide electric power; a controller configured to provide location information of the non-contact power transmission device; and a communications unit configured to transmit the location information and product information received from a non-contact power reception device to a server, and receive an approval to transmit electric power to the non-contact power reception device from the server.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: November 20, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sung Heum Park, Hyung Wook Cho, Sang Ho Cho, Sang Beom Lee, Ki Won Chang, Chul Gyun Park, Jae Suk Sung, Chang Soo Kang, Hee Sun Han
  • Patent number: 10133910
    Abstract: An electronic device according to the present disclosure includes: a housing including a first plate directed in a first direction, a second plate facing a second direction opposite the first direction, and a side member that encloses at least a portion of a space between the first plate and the second plate; a display disposed to be exposed through a first region of the first plate; a first opening formed in a second region of the first plate that is located adjacent to the display; a button structure disposed through the first opening, in which the button structure includes a cover layer exposed to an outside of the housing, an annular structure that encloses at least a portion of the cover layer when viewed from above the cover layer, and a fingerprint recognizing member enclosed by the annular structure and including a fingerprint recognizing pad including a plurality of conductive lines formed to recognize a fingerprint when a user's finger comes in contact with the cover layer, and a circuit region incl
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: November 20, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon-Won Chang, Ki-Hwan Kwak, Jeong-Eon Kim, Tae-Won Kim, Ye-Seul Lee
  • Patent number: 10122183
    Abstract: There are provided a thin film coil and an electronic device having the same, the thin film coil including a substrate; and a coil pattern including a first coil strand and a second coil strand formed on both surfaces of the substrate, respectively, wherein the first coil strand formed on one surface of the substrate includes at least one gyration path that passes through the other surface of the substrate and gyrates.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: November 6, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dae Ki Lim, Tae Sung Kim, Hyeon Gil Nam, Chan Gwang An, Hyun Seok Lee, Ki Won Chang, Chang Mok Han, Sang Woo Bae, Sung Eun Cho, Jae Suk Sung
  • Patent number: 10109850
    Abstract: An electrode active material includes a core capable of intercalating and deintercalating lithium; and a surface treatment layer disposed on at least a portion of a surface of the core, wherein the surface treatment layer includes a lithium-free oxide having a spinel structure, and an intensity of an X-ray diffraction peak corresponding to impurity phase of the lithium-free oxide, when measured using Cu—K? radiation, is at a noise level of an X-ray diffraction spectrum or less.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: October 23, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Won-chang Choi, Gue-sung Kim, Min-sang Song, Young-min Choi, Ryoung-hee Kim, So-yeon Kim
  • Publication number: 20180299929
    Abstract: An electronic device is provided. The electronic device includes a housing comprising a first plate, a second plate apart from the first plate while facing the first plate, and a side member which surrounds a space between the first plate and the second plate, a touchscreen display exposed through the first plate, a printed circuit board (PCB) disposed between the touchscreen display and the second plate, a mid-plate disposed between the touchscreen display and the PCB, and extending from the side member, and at least one integrated circuit (IC) mounted on the PCB and relating to power, wherein the mid-plate can include at least one conductive path formed on a surface facing the PCB and electrically connected to the at least one IC, and the at least one conductive path can be formed with the same metallic material as the mid-plate.
    Type: Application
    Filed: April 9, 2018
    Publication date: October 18, 2018
    Inventors: Min-Soo KIM, Kyujin KWAK, Soo-Gyu LEE, Sung-Won PARK, Joon Won CHANG, Jin-Wan AN, Janghoon LEE
  • Patent number: 10103554
    Abstract: There are provided a thin film coil and an electronic device having the same, the thin film coil including a substrate; and a coil pattern including a first coil strand and a second coil strand formed on both surfaces of the substrate, respectively, wherein the first coil strand formed on one surface of the substrate includes at least one gyration path that passes through the other surface of the substrate and gyrates.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: October 16, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dae Ki Lim, Tae Sung Kim, Hyeon Gil Nam, Chan Gwang An, Hyun Seok Lee, Ki Won Chang, Chang Mok Han, Sang Woo Bae, Sung Eun Cho, Jae Suk Sung
  • Publication number: 20180287258
    Abstract: An antenna module includes a wiring part including a first antenna wiring and a second antenna wiring disposed on a substrate; and a magnetic part including a first magnetic part disposed on one surface of the wiring part and a second magnetic part disposed on the other surface of the wiring part, wherein the first magnetic part is disposed on one surface of the wiring part so as to face a portion of the first antenna wiring and a portion or the entirety of the second antenna wiring, and the second magnetic part is disposed on the other surface of the wiring part so as to face the other portion of the first antenna wiring.
    Type: Application
    Filed: January 26, 2018
    Publication date: October 4, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Si Hyung KIM, Tae Heon LEE, Ki Won CHANG, Taek Woo KIM, Dae Ung AHN, Hyung Wook CHO
  • Patent number: 10045398
    Abstract: A wireless power receiver includes a resonance circuit, a power receiver, and a data transmitter. The power receiver is configured to control the resonance circuit to receive wireless power. The data transmitter is configured to control the resonance circuit to transmit data.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: August 7, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Isaac Nam, Ki Won Chang, Choon Hee Kim, Hyun Keun Lim
  • Publication number: 20180208568
    Abstract: This disclosure provides compounds and compositions which may be modulators of MAGL and/or ABHD6 and their use as medicinal agents, processes for their preparation, and pharmaceutical compositions that include disclosed compounds as at least one active agent. The disclosure also provides for method of treating a patient in need thereof, where the patient is suffering from indications such as pain, solid tumor cancer and/or obesity comprising administering a disclosed compound or composition.
    Type: Application
    Filed: March 19, 2018
    Publication date: July 26, 2018
    Inventors: Justin S. CISAR, Cheryl A. GRICE, Todd K. JONES, Micah J. NIPHAKIS, Jae Won CHANG, Kenneth M. LUM, Benjamin F. CRAVATT
  • Patent number: 10032836
    Abstract: An organic light emitting diode (OLED) display includes a base substrate, a first electrode on the base substrate, a pixel definition layer on the first electrode and having an opening exposing the first electrode, spacers on the pixel definition layer and having a smaller modulus than the pixel definition layer, an organic emission layer on the first electrode to correspond to the opening, and a second electrode on the organic emission layer.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: July 24, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Moon Won Chang, Oh June Kwon
  • Publication number: 20180205132
    Abstract: A double loop antenna includes a source loop comprising: a spiral-shaped conductive source coil pattern disposed on a top surface of a board, and a source capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and a bottom surface of the board; and a resonance loop comprising: a spiral-shaped conductive resonance coil pattern disposed on the bottom surface of the board, and a resonance capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and the bottom surface of the board, wherein the source coil pattern and the resonance coil pattern are formed on different surfaces of the board.
    Type: Application
    Filed: November 1, 2017
    Publication date: July 19, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Beom LEE, Hyung Wook CHO, Jun Seung YI, Yu Jin LEE, Jae Suk SUNG, Dae Ki LIM, Seung Hun RYU, Ki Won CHANG, Jae Hyoung CHO, Si Hyung KIM
  • Patent number: 10018760
    Abstract: The present application relates to an optical film, a complex polarizing plate, and a liquid crystal display. The present application is directed to providing the optical film or complex polarizing plate, and the liquid crystal display including the same which may be effectively applied to optical compensation of various liquid crystal displays, in particular, so-called in plane switching (IPS) liquid crystal displays.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: July 10, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jun Won Chang, Moon Soo Park, Dae Hee Lee, Sergey Belyaev
  • Publication number: 20180182526
    Abstract: A coil module including a magnetic body having a first body portion extended in a first axial direction and a second body portion extended in a second axial direction different from the first axial direction; and a transmitting coil including a first coil wound around a portion of the first body portion and a second coil wound around a portion of the second body portion.
    Type: Application
    Filed: October 25, 2017
    Publication date: June 28, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hee Seung KIM, Ki Won CHANG, Chang Hee LEE, Jae Sun WON, Hyo Jung YOON, Gie Hyoun KWEON
  • Publication number: 20180170138
    Abstract: A strut assembly for a vehicle may include a shock absorber housing cover, into which a strut is inserted, and which is mounted, along with the strut, to a vehicle body, a shock absorber mounting panel configured to cover an upper portion of the shock absorber housing cover, and mounted to the vehicle body, and a coupling bolt inserted upward into a bolt coupling hole formed in the shock absorber housing cover, wherein the shock absorber mounting panel includes a contact surface portion having a cross-sectional area less than a cross-sectional area of a nut coupled with the coupling bolt, the contact surface portion having a hole corresponding to the bolt coupling hole, and the shock absorber mounting panel is brought into contact with the shock absorber housing cover by the contact surface portion.
    Type: Application
    Filed: November 10, 2017
    Publication date: June 21, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Se-Woong Jung, In-Seb Choi, Ji-Won Chang, Yun-Bae Chun
  • Publication number: 20180159598
    Abstract: A coil module may include: a board; an input/output terminal unit formed on the board; and a coil for near field communications (NFC) disposed on one, or a plurality of, surface(s) of the board and connected to the input/output terminal unit, wherein the coil for NFC includes a first pattern portion having one end connected to the input/output terminal unit and disposed on the board to rotate or turn in one direction, a second pattern portion connected to the first pattern portion and traversing an internal area of the first pattern portion to divide the internal area of the first pattern portion into at least two portions, and a third pattern portion having one end connected to the second pattern portion and the other end connected to the input/output terminal unit.
    Type: Application
    Filed: November 8, 2017
    Publication date: June 7, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Ung AHN, Si Hyung KIM, Hyeon Gil NAM, Ki Won CHANG, Yu Jin LEE, Dae Ki LIM
  • Publication number: 20180138580
    Abstract: An antenna module includes: a coil part including an antenna wiring disposed on an insulating substrate; a first magnetic part disposed on a first surface of the insulating substrate; and a second magnetic part disposed on a second surface of the insulating substrate, wherein the first magnetic part and the second magnetic part overlap with each other on a center region of the antenna wiring.
    Type: Application
    Filed: September 29, 2017
    Publication date: May 17, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hee Seung KIM, Ki Won CHANG, Jae Sun WON, Chang Hee LEE, Hyo Jung YOON
  • Patent number: 9973022
    Abstract: A non-contact type power receiving apparatus, of which a voltage level of output power varies depending on a rated voltage of a battery, includes: a power receiving coil unit receiving a power in a non-contact scheme; a rectifying/multiplying unit rectifying the received power depending on controlling thereof and selectively multiplying a voltage level of the rectified power; and a controller selectively controlling a rectifying operation or a multiplying operation of the rectifying/multiplying unit to be performed depending on a selection signal.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: May 15, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Ho Cho, Hyung Wook Cho, Sung Heum Park, Chang Mok Han, Jae Suk Sung, Jeong Man Han, Ki Won Chang
  • Patent number: 9957242
    Abstract: This disclosure provides compounds and compositions which may be modulators of MAGL and/or ABHD6 and their use as medicinal agents, processes for their preparation, and pharmaceutical compositions that include disclosed compounds as at least one active agent. The disclosure also provides for method of treating a patient in need thereof, where the patient is suffering from indications such as pain, solid tumor cancer and/or obesity comprising administering a disclosed compound or composition.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: May 1, 2018
    Assignees: THE SCRIPPS RESEARCH INSTITUTE, ABIDE THERAPEUTICS, INC.
    Inventors: Justin S. Cisar, Cheryl A. Grice, Todd K. Jones, Micah J. Niphakis, Jae Won Chang, Kenneth M Lum, Benjamin F. Cravatt