Patents by Inventor Seung Woo Choi

Seung Woo 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: 20240079413
    Abstract: A complementary thin film transistor (TFT) includes a substrate and a first TFT and a second TFT disposed on the substrate, wherein a first conductive semiconductor layer of the first TFT and a second gate electrode layer of the second TFT are disposed in the same layer and include the same material.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 7, 2024
    Inventors: Himchan OH, Jong-Heon YANG, Ji Hun CHOI, Seung Youl KANG, Yong Hae KIM, Jeho NA, Jaehyun MOON, Chan Woo PARK, Sung Haeng CHO, Jae-Eun PI, Chi-Sun HWANG
  • Publication number: 20240076468
    Abstract: An embodiment resin composition for shielding electromagnetic waves, based on a total weight of the resin composition, includes 20 to 80 wt % of thermoplastic resin, 1 to 50 wt % of a conductive filler, and 0.1 to 30 wt % of an additive.
    Type: Application
    Filed: January 16, 2023
    Publication date: March 7, 2024
    Inventors: Seung-Woo Choi, Dong-Bum Seo, Kyun Oh, Yu-Hyun Song, Yang-Jin Kwon, Joo-Han Lee
  • Patent number: 11925118
    Abstract: A method of inactivating harmful microorganisms of a filtration medium including pathogenic bacteria and viruses is disclosed which includes placing a predetermined quantity of a hybridized fluorescent silk on to a filtration medium, applying light for a predetermined amount of time to the placed quantity of the hybridized fluorescent silk, and passing a fluid through the medium, wherein the fluid is one of substantially air or substantially water, wherein the hybridized fluorescent silk is one of KillerRed, SuperNova, KillerOrange, Dronpa, TurboGFP, mCherry, or any combination thereof.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: March 5, 2024
    Assignee: Purdue Research Foundation
    Inventors: Jung Woo Leem, Seung Ho Choi, Young L. Kim
  • Patent number: 11925117
    Abstract: A method of disinfection of a surface of a subject of harmful microorganisms including pathogenic bacteria and viruses upon visible light irradiation using a hybridized fluorescent silk is provided. The method includes placing a predetermined quantity of the hybridized fluorescent silk i) directly on to a skin surface of a subject; or ii) on a medium and then placing the medium on the skin surface of the subject. The method further includes applying light in the visible spectrum for a predetermined amount of time to the placed quantity of hybridized fluorescent silk, wherein the hybridized fluorescent silk is one of KillerRed, SuperNova, KillerOrange, Dronpa, TurboGFP, mCherry, or any combination thereof.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: March 5, 2024
    Assignee: Purdue Research Foundation
    Inventors: Jung Woo Leem, Seung Ho Choi, Young L. Kim
  • Publication number: 20240073823
    Abstract: An electronic device is provided. The electronic device includes a housing including a front surface and a rear surface, a display, a communication circuit, at least one processor, and a memory. The memory stores instructions which, when executed, cause the at least one processor to receive a signal from outside of the electronic device using the communication circuit, in response to receiving the signal, display a user interface on an elongated region that extends along at least one edge region of the display, and display at least one content corresponding to the signal, while displaying the user interface or after displaying the user interface.
    Type: Application
    Filed: October 26, 2023
    Publication date: February 29, 2024
    Inventors: Jong Moo LEE, Seung Min CHOI, Gyu Chual KIM, Ji Woo LEE
  • Patent number: 11911134
    Abstract: An apparatus for non-invasively measuring bio-information is provided. The apparatus for estimating bio-information may include a pulse wave sensor configured to measure a pulse wave signal from an object; a sensor position sensor configured to obtain sensor position information of the pulse wave sensor with respect to the object, based on the object being in contact with the pulse wave sensor; and a processor configured to estimate the bio-information based on blood vessel position information of the object, the sensor position information, and the pulse wave signal.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Woo Choi, Sang Yun Park, Hye Rim Lim, Jae Min Kang, Seung Woo Noh
  • Publication number: 20240038988
    Abstract: The present invention relates to a positive electrode active material having improved electrical characteristics by adjusting an aspect ratio gradient of primary particles included in a secondary particle. a positive electrode including the positive electrode active material, and a lithium secondary battery using the positive electrode.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 1, 2024
    Applicant: ECOPRO BM CO., LTD.
    Inventors: Moon Ho CHOI, Seung Woo CHOI, Jun Won SUH, Jin Kyeong YUN, Jung Han LEE, Gwang Seok CHOE, Joong Ho BAE, Du Yeol KIM
  • Publication number: 20240015346
    Abstract: Disclosed is a method for detecting abusing video information in an electronic device, the method including obtaining first information associated with a user participating in a broadcast and second information associated with a content of the broadcast, determining, based on the second information and a first list of one or more types of abuse, third information about whether the second information corresponds to one of the one or more types of abuse, providing, based on the third information, a service server involved in provision of the broadcast with the first information, the second information and the third information, and providing, based on the third information, a verification server associated with user sanctions with the first information and the second information.
    Type: Application
    Filed: July 5, 2023
    Publication date: January 11, 2024
    Applicant: Hyperconnect LLC
    Inventors: Seung Woo Choi, Hyeong Min Byun, Chan Ok Park, Hyung Ryul Kim, Il Hwan Ryou
  • Patent number: 11854536
    Abstract: A keyword spotting apparatus, method, and computer-readable recording medium are disclosed. The keyword spotting method using an artificial neural network according to an embodiment of the disclosure may include obtaining an input feature map from an input voice; performing a first convolution operation on the input feature map for each of n different filters having the same channel length as the input feature map, wherein a width of each of the filters is w1 and the width w1 is less than a width of the input feature map; performing a second convolution operation on a result of the first convolution operation for each of different filters having the same channel length as the input feature map; storing a result of the second convolution operation as an output feature map; and extracting a voice keyword by applying the output feature map to a learned machine learning model.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: December 26, 2023
    Assignee: Hyperconnect Inc.
    Inventors: Sang Il Ahn, Seung Woo Choi, Seok Jun Seo, Beom Jun Shin
  • Patent number: 11837725
    Abstract: The present invention relates to a positive electrode active material having improved electrical characteristics by adjusting an aspect ratio gradient of primary particles included in a secondary particle, a positive electrode including the positive electrode active material, and a lithium secondary battery using the positive electrode.
    Type: Grant
    Filed: January 6, 2023
    Date of Patent: December 5, 2023
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Moon Ho Choi, Seung Woo Choi, Jun Won Suh, Jin Kyeong Yun, Jung Han Lee, Gwang Seok Choe, Joong Ho Bae, Du Yeol Kim
  • Patent number: 11753542
    Abstract: Disclosed are a thermoplastic polyamide resin composition, a method for preparing the same and a molded article produced thereby. The molded article may have improved impact strength and heat resistance, produced from the thermoplastic polyamide resin composition including a nucleating agent containing an aromatic polyamide and a heat-dissipation filler, polyamide 66 and polyamide 6, thereby improving the speed of process and realize uniform crystallization.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: September 12, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Seung Woo Choi
  • Publication number: 20230227957
    Abstract: A method includes applying a material coating on a surface of a machine component using a thermal spray, wherein the material coating is formed from a combination of a hardfacing material and aluminum-containing particles. The method also includes thermally treating the material coating to generate an oxide layer comprising aluminum from the aluminum-containing particles, wherein the oxide layer is configured to reduce oxidation of the hardfacing material.
    Type: Application
    Filed: March 8, 2023
    Publication date: July 20, 2023
    Inventors: Krishnamurthy Anand, Surinder Singh Pabla, Lacey Lynn Schwab, Biju Dasan, Seung-Woo Choi, Sathisha Chikkabikkodu Hanum, Ravikiran Kopparthi, David Vincent Bucci
  • Publication number: 20230197952
    Abstract: A lithium complex oxide includes a mixture of first particles of n1 (n1>40) aggregated primary particles and second particles of n2 (n2?20) aggregated primary particles, the lithium complex oxide represented by Chemical Formula 1 and having FWHM (deg., 2?) of 104 peak in XRD, defined by a hexagonal lattice having R-3m space group, in a range of Formula 1: LiaNixCoyMnzM1-x-y-zO2, ??[Chemical Formula 1] where M is selected from: B, Ba, Ce, Cr, F, Mg, Al, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, Sr, and any combination thereof, 0.9?a?1.3, 0.6?x?1.0, 0.0?y?=0.4, 0.0?z?0.4, and 0.0?1-x-y-z?0.4, ?0.025?FWHM(104)?{0.04+(xfirst particle?0.6)×0.25}?0.025, ??[Formula 1] where FWHM(104) is represented by Formula 2, FWHM(104)={(FWHMChemical Formula 1 powder(104)?0.1×mass ratio of second particles)/mass ratio of first particles}?FWHMSi powder (220).
    Type: Application
    Filed: February 23, 2023
    Publication date: June 22, 2023
    Inventors: Jung Han LEE, Seung Woo CHOI, Moon Ho CHOI, Jun Won SUH, Jin Kyeong YUN, Mi Hye YUN, Kwang Seok CHOI, Joong Ho BAE, Jin Oh SON
  • Publication number: 20230192954
    Abstract: A thermoplastic composite material composition has improved electromagnetic radiation shielding performance. The thermoplastic composite material composition is a resin composition including a thermoplastic resin composition, high-density polyethylene, metal/ceramic powder, etc. The disclosed composition provides improved electromagnetic shielding performance, improved impact resistance, and good appearance.
    Type: Application
    Filed: December 6, 2022
    Publication date: June 22, 2023
    Inventors: Seung Woo Choi, Eun Seob Shin, Kang Il Jeon, Jin Cheol Kim
  • Patent number: 11677065
    Abstract: The present invention relates to a cathode active material for a lithium secondary battery, and more particularly, to a cathode active material for a lithium secondary battery, which includes a core portion and a shell portion surrounding the core portion, in which a total content of cobalt in the core portion and the shell portion is 5 to 12 mol %, and the content of cobalt in the core portion and the shell portion is adjusted to be within a predetermined range. In the cathode active material precursor and the cathode active material for a secondary battery prepared using the same according to the present invention, optimal capacity of a lithium secondary battery may be increased by adjusting the cobalt content in the particles of the cathode active material, and life characteristics may be enhanced by improving stability.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: June 13, 2023
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Sung Jin Jang, Moon Ho Choi, Jun Won Suh, Jung Han Lee, Ji Hyun Nam, Seung Woo Choi
  • Publication number: 20230139863
    Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery comprising the same, and more specifically, to a positive electrode active material including a lithium composite oxide containing at least nickel and titanium, wherein the titanium is present in an oxide form in at least a portion of the surface of the lithium composite oxide at the same time as being doped in the lithium composite oxide, and thus it is possible to simultaneously improve the output efficiency and high-temperature lifetime characteristics (high-temperature cycle capacity retention rate) of a lithium secondary battery using the positive electrode active material, and a lithium secondary battery including the same.
    Type: Application
    Filed: October 12, 2022
    Publication date: May 4, 2023
    Applicant: ECOPRO BM CO., LTD.
    Inventors: Joong Ho BAE, Du Yeol KIM, Moon Ho CHOI, Jun Won SUH, Sun Kyu KIM, Jung Han LEE, Seung Woo CHOI
  • Patent number: 11621418
    Abstract: A lithium complex oxide includes a mixture of first particles of n1 (n1>40) aggregated primary particles and second particles of n2 (n2?20) aggregated primary particles, the lithium complex oxide represented by Chemical Formula 1 and having FWHM (deg., 2?) of 104 peak in XRD, defined by a hexagonal lattice having R-3m space group, in a range of Formula 1: LiaNixCoyMnzM1-x-y-zO2,??[Chemical Formula 1] where M is selected from: B, Ba, Ce, Cr, F, Mg, Al, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, Sr, and any combination thereof, 0.9?a?1.3, 0.6?x?1.0, 0.0?y?=0.4, 0.0?z?0.4, and 0.0?1?x?y?z?0.4, ?0.025?FWHM(104)?{0.04+(xfirst particle?0.6)×0.25}?0.025,??[Formula 1] where FWHM(104) is represented by Formula 2, FWHM(104)={(FWHMChemical Formula 1 powder(104)?0.1×mass ratio of second particles)/mass ratio of first particles}?FWHMSi powder(220).
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: April 4, 2023
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Jung Han Lee, Seung Woo Choi, Moon Ho Choi, Jun Won Suh, Jin Kyeong Yun, Mi Hye Yun, Kwang Seok Choi, Joong Ho Bae, Jin Oh Son
  • Patent number: 11603588
    Abstract: A method includes applying a material coating on a surface of a machine component using a thermal spray, wherein the material coating is formed from a combination of a hardfacing material and aluminum-containing particles. The method also includes thermally treating the material coating to generate an oxide layer comprising aluminum from the aluminum-containing particles, wherein the oxide layer is configured to reduce oxidation of the hardfacing material.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: March 14, 2023
    Assignee: General Electric Company
    Inventors: Krishnamurthy Anand, Surinder Singh Pabla, Lacey Lynn Schwab, Biju Dasan, Seung-Woo Choi, Sathisha Chikkabikkodu Hanum, Ravikiran Kopparthi, David Vincent Bucci
  • Publication number: 20230065105
    Abstract: A method includes applying a material coating on a surface of a machine component using a thermal spray, wherein the material coating is formed from a combination of a hardfacing material and aluminum-containing particles. The method also includes thermally treating the material coating to generate an oxide layer comprising aluminum from the aluminum-containing particles, wherein the oxide layer is configured to reduce oxidation of the hardfacing material.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 2, 2023
    Inventors: Krishnamurthy Anand, Surinder Singh Pabla, Lacey Lynn Schwab, Biju Dasan, Seung-Woo Choi, Sathisha Chikkabikkodu Hanum, Ravikiran Kopparthi, David Vincent Bucci
  • Patent number: 11588154
    Abstract: The present invention relates to a positive electrode active material having improved electrical characteristics by adjusting an aspect ratio gradient of primary particles included in a secondary particle, a positive electrode including the positive electrode active material, and a lithium secondary battery using the positive electrode.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: February 21, 2023
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Moon Ho Choi, Seung Woo Choi, Jun Won Suh, Jin Kyeong Yun, Jung Han Lee, Gwang Seok Choe, Joong Ho Bae, Du Yeol Kim