Patents by Inventor Woo Seok Choi

Woo Seok 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: 20200040498
    Abstract: The present invention relates to non-woven fabric with enhanced hardness and sound absorption, more specifically to non-woven fabric that includes two or more kinds of polyester-based materials and non-circular cross-section fiber, and thus has enhanced hardness and sound absorption as well as improved formability, and that can be applied for an automotive undercover.
    Type: Application
    Filed: February 21, 2018
    Publication date: February 6, 2020
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Hee-jung CHO, Min-ho LEE, Young-shin PARK, Gyu-In JUNG, Woo-seok CHOI
  • Patent number: 10521064
    Abstract: Disclosed a driving method for a capacitance-detection device, the method including: acquiring a noise signal; comparing a magnitude of an acquired noise signal with a threshold value for driving a capacitance-detection device; and adjusting a driving signal, provided to a capacitance-detection device to be driven, according to a result of said comparing. The acquiring the noise signal includes: generating the noise signal corresponding to detected noise; and converting the noise signal into a digital signal.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: December 31, 2019
    Assignee: Anapass Inc.
    Inventors: Woo Seok Choi, Young Hwan Kang
  • Publication number: 20190375922
    Abstract: A conjugated diene-based copolymer composition is provided. The conjugated diene-based copolymer composition includes a first conjugated diene-based copolymer having 20 wt % to 60 wt % of an aromatic vinyl monomer-derived repeating unit, 35 wt % to 75 wt % of a first conjugated diene-based monomer-derived repeating unit, and 1 wt % to 10 wt % of a hydroxyalkyl (meth)acrylate monomer-derived repeating unit. The first conjugated diene-based copolymer has a Mooney viscosity (MV) at 100° C. of 30 to 120. The conjugated diene-based copolymer composition also includes a second conjugated diene-based copolymer having 20 wt % to 60 wt % of an ?-methylstyrene monomer-derived repeating unit and 40 wt % to 80 wt % of a second conjugated diene-based monomer-derived repeating unit. The second conjugated copolymer has a Mooney viscosity (MV) at 100° C. of more than 120 and equal to or less than 200. A method for preparing the conjugated diene-based copolymer is also provided.
    Type: Application
    Filed: November 13, 2018
    Publication date: December 12, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Se Eun Lee, Byoung Yun Kim, Hyung Woon Yoon, Jae Min Lee, Woo Seok Choi
  • Publication number: 20190377127
    Abstract: Disclosed is a lighting member that can be mounted to a structure having a complicated three-dimensional structure such as an automobile, so as to be used for the purpose of illumination, signaling, decoration, etc., the lighting member comprising a light-emitting diode and a light-guiding film. A lighting member using a light-guiding film according to an aspect of the present invention is morphologically defined by multiple cut surfaces which are formed by separated from a flexible light-permeable resin film by cutting.
    Type: Application
    Filed: March 2, 2017
    Publication date: December 12, 2019
    Applicants: EXA ELECTRONICS CO., LTD., UTRONIX INC., EXAOPTONIX INC.
    Inventors: Ho Jun JO, Keun Young YANG, Woo-Seok CHOI
  • Patent number: 10501610
    Abstract: The present invention relates to a method for preparing styrene-butadiene rubber in which a molecular weight modifier containing two or more components is used in a polymerization reaction and each of the two or more components is added at a optimal time, and the method is capable of improving physical properties of the prepared styrene-butadiene rubber, and styrene-butadiene rubber prepared thereby. The styrene-butadiene rubber prepared according to the preparation method of the present invention has improvement in characteristics such as tensile strength, elongation, etc., and thus may be usefully used in the production of a tire having environmental friendliness, abrasion resistance, and the like.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: December 10, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jae Min Lee, Se Eun Lee, Byoung Yun Kim, In Sung Jo, Woo Seok Choi
  • Publication number: 20190346949
    Abstract: Disclosed a driving method for a capacitance-detection device, the method including: acquiring a noise signal; comparing a magnitude of an acquired noise signal with a threshold value for driving a capacitance-detection device; and adjusting a driving signal, provided to a capacitance-detection device to be driven, according to a result of said comparing. The acquiring the noise signal includes: generating the noise signal corresponding to detected noise; and converting the noise signal into a digital signal.
    Type: Application
    Filed: July 25, 2019
    Publication date: November 14, 2019
    Applicant: Anapass Inc.
    Inventors: Woo Seok CHOI, Young Hwan KANG
  • Patent number: 10416824
    Abstract: Provided are a capacitance-detection device and a driving method for the same. The driving method includes acquiring a noise signal, comparing a magnitude of the acquired noise signal and a threshold value for driving a capacitance-detection device, and adjusting a driving signal provided to a capacitance-detection device to be driven according to a comparison result.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: September 17, 2019
    Assignee: ANAPASS INC.
    Inventors: Woo Seok Choi, Young Hwan Kang
  • Patent number: 10410061
    Abstract: An image capturing apparatus includes: a first camera module and a second camera module having different optical characteristics and configured to capture a same subject; and a controller configured to set a region including the subject as a first region of interest (ROI) in a first image captured by the first camera module and to detect a second ROI matching the first ROI in a second image captured by the second camera module, based on a difference in optical characteristics of the first camera module and optical characteristics of the second camera module.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: September 10, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il-do Kim, Woo-seok Choi
  • Patent number: 10407566
    Abstract: The present invention relates to a method for preparing a low styrene-butadiene rubber having a low combined styrene content and, more particular, to a method for preparing a low styrene-butadiene rubber, wherein the low styrene-butadiene rubber contributes to an excellent polymerization rate and vulcanization rate by using an aliphatic organic acid and a sulfonate based compound as emulsifiers, and is excellent in heat stability after blending, thereby improving the workability and viscosity in in roll processing, such that the low styrene-butadiene rubber is advantageous to produce a molded article with improved rigidity and hardness when mixed with a high styrene-butadiene rubber.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: September 10, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Se Eun Lee, Byoung Yun Kim, In Sung Jo, Jae Min Lee, Woo Seok Choi
  • Patent number: 10389951
    Abstract: An electronic device includes a lens part that receives light from a subject, an image sensor that receives the light of the lens part from a group of pixels arranged two-dimensionally, and an processor that processes an image signal of the image sensor. The image sensor performs a read-out operation at a speed to prevent blurring of an image. The processor temporarily stores image data by the read-out operation in a memory, loads a plurality of images stored in the memory to generate an image, of which the number of bits is expanded compared with the image signal of the image sensor, and performs gamma processing on the image, of which the number of bits is expanded, to generate an image compressed to the same number of bits as the image signal of the image sensor.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: August 20, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hyoung Park, Byung Ho Kim, Jae Joon Moon, Jeong Won Lee, Han Sung Kim, Woo Seok Choi, Shuichi Shimokawa, Takafumi Usui
  • 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
  • Publication number: 20190186061
    Abstract: The present invention relates to a method of preparing non-woven fabric for base cloth of carpet, which has an improved fixability of BCF yarn inserted on a base cloth in a tufting process by crimp processing a web with a stretched polyester filament and needle punching the web. The residual stress of the stretched polyester filament is eliminated and the formability of the non-woven fabric for base cloth of carpet is improved, and the fixability of the BCF yarn in the carpet can be improved by interlacing of polyester filament.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 20, 2019
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Woo-seok CHOI, Min-ho LEE, Hee-jung CHO, Hyok-jin SEO
  • Patent number: 10264174
    Abstract: A photographing apparatus for automatically detecting a focus via a phase difference detection scheme, the photographing apparatus including an image sensor comprising a plurality of phase difference pixels and configured to acquire an image of a subject; an addition processor configured to add output signals of the plurality of phase difference pixels; a controller configured to detect the focus of the image based on output signals of the plurality of phase difference pixels, and to set an addition range of the plurality of phase difference pixels added by the addition processor based on information of the detected focus and information of the acquired image of the subject.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: April 16, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il-do Kim, Jeong-won Lee, Woo-seok Choi
  • Publication number: 20180340505
    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: Application
    Filed: November 9, 2017
    Publication date: November 29, 2018
    Applicants: 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: 10102793
    Abstract: Discussed are a built-in gate driver capable of improving output characteristics of the gate driver by reducing load of clock lines and a display device using the same. The built-in gate driver can include a shift register, a first clock group and a second clock group located in a non-display region of a display panel. The shift register includes a plurality of stages for individually driving gate lines of a display region. The first clock group includes clock lines arranged at a first side of the shift register. The second clock group includes clock lines arranged at a second side of the shift register. Each of the clock lines includes a main line and a branch line branched from the main line and connected to a corresponding stage. A branch line belonging to a corresponding clock group of any one of the first and second clock groups does not overlap a main line belonging to the other clock group.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: October 16, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong-Ho Jang, Woo-Seok Choi
  • Patent number: 10078198
    Abstract: An imaging apparatus is provided, which includes an image sensor which includes a plurality of image pixels and a plurality of sensing pixels, and is configured to capture images through collection of light that is incident through a lens and the plurality of phase sensing pixels; and a processor configured to divide a region of interest of the image sensor into a plurality of sub-regions of interest, calculate disparity information of objects that correspond to the plurality of sub-regions of interest using at least one of the plurality of phase sensing pixels included in the plurality of sub-regions of interest, and determine a focal region in the region of interest on the basis of the disparity information. Accordingly, user convenience is increased.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: September 18, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-won Lee, Kwon-jeong Kang, Byung-ho Kim, Woo-seok Choi, Il-do Kim
  • Patent number: 10074329
    Abstract: Disclosed is a shift register capable of preventing charges supplied to a Q node to turn on a pull-up transistor for outputting a scan pulse from leaking outwards. The shift register includes a plurality of stages connected to gate lines formed at a panel. Each stage includes a scan signal generator for generating a scan pulse or a turn-off signal, a scan pulse controller for generating a Q-node control signal for generation of the scan pulse, a Q-node adjuster for preventing the Q-node control signal from leaking outwards during supply of the Q-node control signal to a Q-node connected to the scan signal generator, and a turn-off signal controller for transferring a Qb-node control signal for generation of the turn-off signal to the scan signal generator via a Qb-node when no scan pulse is generated from the scan signal generator.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: September 11, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Yong-Ho Jang, Woo-Seok Choi
  • Publication number: 20180232078
    Abstract: Provided are a capacitance-detection device and a driving method for the same. The driving method includes acquiring a noise signal, comparing a magnitude of the acquired noise signal and a threshold value for driving a capacitance-detection device, and adjusting a driving signal provided to a capacitance-detection device to be driven according to a comparison result.
    Type: Application
    Filed: January 16, 2018
    Publication date: August 16, 2018
    Inventors: Woo Seok Choi, Young Hwan Kang
  • Publication number: 20180215902
    Abstract: The present invention relates to a method for preparing styrene-butadiene rubber in which a molecular weight modifier containing two or more components is used in a polymerization reaction and each of the two or more components is added at a optimal time, and the method is capable of improving physical properties of the prepared styrene-butadiene rubber, and styrene-butadiene rubber prepared thereby. The styrene-butadiene rubber prepared according to the preparation method of the present invention has improvement in characteristics such as tensile strength, elongation, etc., and thus may be usefully used in the production of a tire having environmental friendliness, abrasion resistance, and the like.
    Type: Application
    Filed: December 28, 2016
    Publication date: August 2, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jae Min Lee, Se Eun Lee, Byoung Yun Kim, In Sung Jo, Woo Seok Choi
  • Patent number: 9986163
    Abstract: A digital photographing apparatus includes: an image sensor including a first pixel group and a second pixel group each pixel group including a plurality of pixels for generating an imaging signal by photoelectrically converting incident light, the image sensor being configured to acquire the imaging signal two or more times in the second pixel group and to acquire the imaging signal once in the first pixel group; and a processor configured to acquire an image in which a motion of a subject appears based on the imaging signal acquired by the image sensor, and to generate a motion-corrected image based on the imaging signal acquired in the second pixel group.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: May 29, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-hyoung Park, Woo-seok Choi