Patents by Inventor Sang Won Choi

Sang Won Choi 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: 20190320429
    Abstract: A 5G or pre-5G communication system for supporting a higher data transmission rate beyond a 4G communication system such as long-term evolution (LTE) is provided, including a method for performing device to device (D2D) discovery by a user equipment (UE), which is out of the coverage area serviced by a base station, in a wireless communication network. The method includes the operations of receiving pre-configuration information for transmitting a discovery message, and transmitting the discovery message in a transmission resource determined on the basis of the pre-configuration information, wherein the pre-configuration information includes a list of pools for transmitting the discovery message, and the transmission resource is determined from the list of pools.
    Type: Application
    Filed: June 27, 2019
    Publication date: October 17, 2019
    Inventors: Peng XUE, Hyun-Seok RYU, Seung-Hoon PARK, Sang-Won CHOI
  • Publication number: 20190312345
    Abstract: An electronic device is provided. The electronic device includes an outer housing that comprises a first surface facing a first direction, a second surface facing a second direction opposite to the first direction, and a side surface surrounding a space between the first surface and the second surface, a display adapted to expose at least a portion of the display through the first surface of the outer housing, a PCB arranged between the second surface and the display in an interior of the outer housing, a communication circuit arranged on or over the PCB, a first conductive structure formed of at least one of the first surface or at least a portion of the side surface is electrically connected to the communication circuit, and a second conductive structure formed of the portion of the display electrically connected to the first conductive structure.
    Type: Application
    Filed: June 21, 2019
    Publication date: October 10, 2019
    Inventors: Tae Young KIM, In Young LEE, Sang Hoon CHOI, Woo Suk KANG, Jae Won CHOE, Jae Bong CHUN
  • Patent number: 10439221
    Abstract: The present invention relates to a negative electrode active material for a lithium secondary battery, which includes (A) first artificial graphite having an average particle diameter (D50) of 15 ?m to 20 ?m and (B) second artificial graphite having an average particle diameter (D50) of 3 ?m to 5 ?m, wherein the first artificial graphite (A) includes a secondary artificial graphite particle, in which at least one primary artificial graphite particle is agglomerated, and a carbon coating layer, and a weight ratio of the first artificial graphite to the second artificial graphite is in a range of 85:15 to 95:5, a negative electrode including the same, and a lithium secondary battery including the negative electrode.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: October 8, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Hee Won Choi, Sang Wook Woo, Dong Sub Jung, Dong Hyuk Kim, Eun Kyung Kim
  • Publication number: 20190304378
    Abstract: An organic light emitting display device includes scan lines arranged in horizontal lines, data lines intersecting the scan lines, a pixel array including pixels coupled to the scan lines and the data lines, the pixels including at least first color pixels, a panel tester including switching elements coupled to first ends of the data lines, the switching elements including at least first and second switching elements, and a first line coupled to the first switching elements and a second line coupled to the second switching elements. Data lines of K-th to (K+L)-th (where K and L are natural numbers) first color pixels arranged in a predetermined horizontal line are coupled to the first line through the first switching elements, and data lines of at least a part of remaining first color pixels arranged in the predetermined horizontal line are coupled to the second line through the second switching elements.
    Type: Application
    Filed: April 2, 2019
    Publication date: October 3, 2019
    Inventors: Dae Youn CHO, Sang Kil KIM, Hyo Jung KIM, Jong Woo PARK, Dong Gi AHN, Jong Won LEE, Ju Hee LEE, Young Tae CHOI
  • Patent number: 10431004
    Abstract: Various embodiments of the present invention may comprise: a display unit for displaying a screen corresponding to a virtual reality mode; and a control unit for sensing an interrupt due to occurrence of at least one event, changing event-related information related to the occurred event to a form corresponding to the virtual reality mode, and controlling the changed event-related information to be displayed on the screen operated corresponding to the virtual reality mode. In addition, other embodiments are possible for the various embodiments of the present invention.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: October 1, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeong-Seong Yoon, Sang-Won Kang, Jin-Goo Lee, Seong-Hoon Choi, Woo-Suk Choi
  • Publication number: 20190288291
    Abstract: A negative electrode for a lithium-metal secondary battery and a lithium-metal secondary battery including the same are provided which have an excellent life characteristic and have less irregular resin phases formed on the surface the negative electrode. The negative electrode includes a polymer layer arranged in a lattice structure having vacant spaces, so that the specific surface area of the negative electrode can be increased, a uniform current density distribution can thereby be achieved, the negative electrode has excellent life characteristics, and the formation of irregular resin phases can be suppressed.
    Type: Application
    Filed: September 29, 2017
    Publication date: September 19, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hee Won CHOI, Sang Wook WOO, Oh Byong CHAE, Eun Kyung KIM
  • Patent number: 10413579
    Abstract: The present invention relates to a composition for preventing or treating asthma comprising a Pistacia weinmannifolia J. Poiss. ex Franch extract or a fraction thereof. The Pistacia weinmannifolia J. Poiss. ex Franch extract or the fraction thereof according to the present invention does not exhibit toxicity, inhibits the generation of NO, IL-4, IL-5, and IL-13 and the generation of reactive oxygen species in the bronchial tubes, and has significantly induced the alleviation of airway hyperresponsiveness, inhibition of the infiltration of inflammatory cells into the bronchial tubes, and reduction of inflammatory cells in bronchoalveolar lavage fluid in an ovalbumin-induced asthma mouse model. In addition, the Pistacia weinmannifolia J. Poiss.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: September 17, 2019
    Assignee: Korea Research Institute of Bioscience and Biotechnology
    Inventors: Kyung Seop Ahn, Sei Ryang Oh, Ok Kyoung Kwon, In Sik Shin, Hyung Won Ryu, Sang Woo Lee, Joong Ku Lee, Hyeong Kyu Lee, Sang Ho Choi, Doo Young Kim, Jung Hee Kim, Li Wan Yi, Jin Hang
  • Patent number: 10406187
    Abstract: The present invention relates to a pharmaceutical composition and a food composition containing Portulaca grandiflora Hook. extract or a fraction thereof as an active ingredient for preventing, treating or ameliorating neuroinflammation or neuro-degenerative diseases. The Portulaca grandiflora Hook. extract or a fraction thereof according to the present invention is derived from a natural product which has been in use as a natural medicinal ingredient, and as such, has no side effects and inhibits expression of NO, PGE2, iNOS and/or COX-2 genes or protein, which are factors associated with inflammation, and is additionally superbly effective for increasing and improving memory and the ability to learn, and thus can be beneficially used to prevent or treat neuroinflammation or neuro-degenerative diseases.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: September 10, 2019
    Assignees: Research Business Foundation Sungkyunkwan University, Korea Research Institute of Bioscience and Biotechnology
    Inventors: Choon Gon Jang, Seung Hwan Kwon, Sang Ho Choi, Wan Yi Li, Sang-Woo Lee, Sei-Ryang Oh, Hang Jin, Hyung Won Ryu
  • Publication number: 20190272289
    Abstract: Disclosed herein is a video search device comprising: at least one processor configured to implement an updating unit generating event object information based on feature information on an object detected in a video; and a storage configured to store comparison object information containing feature information on a reference object, wherein the processor is further configured to implement: an object information generating/deleting unit configured to create information on an object having a predetermined degree of similarity between the event object information and the comparison object information as final object information, and storing the final object information in the storage; and a data searching unit searching the final object information for data that satisfies a search criterion entered by a user.
    Type: Application
    Filed: May 21, 2019
    Publication date: September 5, 2019
    Applicant: HANWHA TECHWIN CO., LTD.
    Inventors: Jae Won CHOI, Jeong Hun LEE, Kye Won KIM, Ji Man KIM, Sang Wook LEE, Jong Hyeok LEE, Jae Woon BYUN, Ho Jung LEE, Jin Hyuk CHOI, Sweung Won CHEUNG, Yeon Woo KIM, Jin YOON
  • Publication number: 20190273400
    Abstract: Provided is a wireless power reception apparatus which receives a power from a wireless power transmission apparatus. A wireless power reception apparatus which receives a power from a wireless power transmission apparatus, the wireless power reception apparatus comprising a duty controller configured to control a duty cycle; a power converter configured to convert an effective load resistance according to the duty cycle; a reception resonator configured to receive a power from a transmission coil of the wireless power transmission apparatus, wherein the duty cycle and a current of the transmission coil is adjusted based on a load resistance of the wireless power reception apparatus.
    Type: Application
    Filed: May 17, 2019
    Publication date: September 5, 2019
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Duk Ju AHN, In Kui CHO, Seong Min KIM, Jung Ick MOON, Sang Bong JEON, Byung Chan KIM, Je Hoon YUN, Dong Won JANG, Hyung Do CHOI
  • Patent number: 10398747
    Abstract: Disclosed are a pharmaceutical composition and a health functional food for the prevention and treatment of diabetic peripheral neuropathy, comprising an herb extract of a mixture of 3.5:1 Dioscorea Rhizoma:Dioscorea nipponica (w/w). Having the ability to synergistically increase in vivo levels of nerve growth factor, compared to the extracts from the herbs alone or her mixtures of other weight ratios, the mixed herb extract is effective for preventing the apoptosis of nerve cells and promoting nerve regeneration. Thus, it can be applied to pharmaceutical compositions and health function foods preventive and curative of diabetic peripheral neuropathy.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: September 3, 2019
    Assignee: Dong-A St Co., Ltd.
    Inventors: Soon-Hoe Kim, Mi-Won Son, Sang-Zin Choi, Hye-Ju Kim, Ja-Young Ryu, Sun-Yeou Kim
  • Patent number: 10393991
    Abstract: The disclosure provides a MEMS device including: a fixed substrate having a cavity; a driving unit disposed in the cavity and floating above the fixed substrate; and an elastic unit for physically connecting the fixed substrate with the driving unit and varying the height of the driving unit according to a control current, wherein the elastic unit includes a bimorph driving unit connected to the fixed substrate and bent according to the control current, a spring connected to the driving unit, and a frame connecting the bimorph driving unit to the spring. Therefore, in order to overcome the limitations according to the power consumption and the size-reduction due to a coil and a magnet, the MEMS device drives one lens and thus can reduce the power consumption and the size thereof.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: August 27, 2019
    Assignee: LG Innotek Co., Ltd.
    Inventors: Yong Jun Ko, Sang Won Seo, Jeong Gi Seo, Chul Kim, Don Han Jun, Wan Seop Choi
  • Patent number: 10377948
    Abstract: An etching composition selectively removes a titanium nitride film from a stacked conductive film structure including a titanium nitride (TiN) film and a tantalum nitride (TaN) film. The etching composition configured to etch titanium nitride (TiN) includes 5 wt % to 30 wt % of hydrogen peroxide, 15 wt % to 50 wt % of acid compound, and 0.001 wt % to 5 wt % of corrosion inhibitor, with respect to a total weight of the etching composition, wherein the acid compound includes at least one of phosphoric acid (H3PO4), nitric acid (HNO3), hydrochloric acid (HCl), hydroiodic acid (HI), hydrobromic acid (HBr), perchloric acid (HNO4), silicic acid (H2SiO3), boric acid (H3BO3), acetic acid (CH3COOH), propionic acid (C2H5COOH), lactic acid (CH3CH(OH)COOH), and glycolic acid (HOCH2COOH).
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: August 13, 2019
    Assignees: Samsung Electronics Co., Ltd., Soulbrain Co., Ltd.
    Inventors: Hyo Sun Lee, Ho Young Kim, Sang Won Bae, Min Goo Kim, Jung Hun Lim, Yong Jae Choi
  • Patent number: 10368261
    Abstract: A synchronization method and an apparatus for Device-to-Device (D2D) communication in a User Equipment (UE) are provided. The method includes comparing a reception power of a signal received from an evolved Node B (eNB) with a first reference power, if the reception power is less than the first reference power, generating and transmitting a synchronization signal for D2D communication by operating as a synchronization reference UE, comparing the reception power of a signal received from the eNB with a second reference power, and if the reception power is greater than or equal to the first reference power and less than the second reference power, relaying a synchronization signal received from the eNB by operating as a synchronization relaying UE.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: July 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Hoon Park, Hyun-Seok Ryu, Peng Xue, Hyun-Kyu Yu, Cheol Jeong, Sang-Won Choi
  • Patent number: 10352286
    Abstract: A starter-generator system may include a starter-generator configured to provide an engine-cranking torque or receive a generator-cranking torque, a belt drive mechanism located between the starter-generator and an engine, and a torque transmission mechanism that selectively transmits the engine-cranking torque or the generator-cranking torque between the starter-generator and the belt drive mechanism.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: July 16, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kum Lim Choi, Woo Seok Choi, Chi Won Shon, Sang Suk Lee, Keun Seok Lee, Uk Han Kim
  • Patent number: 10343315
    Abstract: The present invention relates to an injection molding method using a fiber-reinforced composite material as an insert, and an injection molded product, and provides an injection molding method comprising: a step of preparing a fiber-reinforced composite material having a high-strength fiber, which is an insert material, impregnated in a resin; an insert formation step of manufacturing an insert by molding the fiber-reinforced composite material into a preliminary shape; and an injection molding step of manufacturing an injection product by arranging the insert in an injection mold and injecting a resin.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: July 9, 2019
    Assignee: LG HAUSYS, LTD.
    Inventors: Sang-Gyu Cho, Yong-Kil Kil, Dong-Won Kim, Yong-Han Kang, Hee-June Kim, Hyun-Jin Choi, Kye-Woong Byun
  • Patent number: 10347576
    Abstract: A semiconductor package includes a package substrate, the package substrate including a conductive plate, an insulating plate on the conductive plate, the insulating plate including a mounting region and a peripheral region surrounding the mounting region, and at least one capillary channel in the peripheral region, a semiconductor chip on the mounting region of the insulating plate, and a molding member on the insulating plate to cover the semiconductor chip, a portion of the molding member being in the at least one capillary channel.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: July 9, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang-Won Choi, Sang-Woo Pae, Seong-Won Jeong, Min-Jae Kwon, Da-Hye Min, Jin-Chul Park, Jae-Won Chang
  • Publication number: 20190207224
    Abstract: A negative electrode for a lithium-metal secondary battery, which has a wide specific surface area and a current density distribution that can be uniformly implemented, and a lithium-metal secondary battery including the same.
    Type: Application
    Filed: September 29, 2017
    Publication date: July 4, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hee Won CHOI, Sang Wook WOO, Oh Byong CHAE, Eun Kyung KIM
  • Patent number: 10342019
    Abstract: A 5G or pre-5G communication system for supporting a higher data transmission rate beyond a 4G communication system such as long-term evolution (LTE) is provided, including a method for performing device to device (D2D) discovery by a user equipment (UE), which is out of the coverage area serviced by a base station, in a wireless communication network. The method includes the operations of receiving pre-configuration information for transmitting a discovery message, and transmitting the discovery message in a transmission resource determined on the basis of the pre-configuration information, wherein the pre-configuration information includes a list of pools for transmitting the discovery message, and the transmission resource is determined from the list of pools.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: July 2, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Peng Xue, Hyun-Seok Ryu, Seung-Hoon Park, Sang-Won Choi
  • Patent number: 10333127
    Abstract: A rechargeable battery module includes: a plurality of unit cells, wherein each of the unit cells comprises: an electrode assembly having a plate shape; a case receiving the electrode assembly and having an opening at one side; and a cap assembly sealing the opening of the case, wherein the case comprises a first buffer unit configured to reduce a force generated inside or outside the case on an inner surface and an outer surface of a bottom of the case, the cap assembly comprises a second buffer unit configured to reduce a force generated inside or outside the case on an inner surface and an outer surface of the cap assembly, and the first buffer unit of each unit cell partially overlaps the first buffer unit of a neighboring unit cell.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: June 25, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyun-Soo Lee, Jeong-Won Oh, Sang-Shin Choi