Patents by Inventor Sung Wook Choi

Sung Wook 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).

  • Patent number: 11519023
    Abstract: There is provided a paper-based colorimetric sensor kit for quickly and simply diagnosing mercury in situ with a naked eye. The paper-based colorimetric sensor kit includes: a circular template for rolling circle amplification (RCA); a primer that does not hybridize to the circular template when a mercury ion is bonded to a primer that hybridizes to the circular template; a DNA polymerase; a sensing material kit including a nanoparticle probe labeled to a DNA coil formed in the circular template for RCA; and a radial chromatography paper.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: December 6, 2022
    Assignee: KOREA FOOD RESEARCH INSTITUTE
    Inventors: Min-Ah Woo, Min-Cheol Lim, Sung-Wook Choi, Tai-Yong Kim
  • Publication number: 20220377243
    Abstract: A focusing method of a camera for obtaining an image of a surveillance area by performing a pan-tilt-zoom (PTZ) operation is included. The focusing method includes: determining whether a region of interest set in the surveillance area is included in a first image obtained by the camera; converting a mode according to a result of the determination by selecting a first mode in which focusing is performed using a first focusing algorithm or a second mode in which focusing is performed using a second focusing algorithm that is different from the first focusing algorithm; and focusing the camera with respect to the first image according to the first mode or the second mode.
    Type: Application
    Filed: October 7, 2021
    Publication date: November 24, 2022
    Applicant: HANWHA TECHWIN CO., LTD.
    Inventors: Sung Wook CHOI, Won Mo KOO, Jung Won PAC, Joo Hye NOH, Joo Hyun YOON
  • Patent number: 11248960
    Abstract: A high resolution inspection apparatus using a terahertz Bessel beam. The high resolution inspection apparatus comprises a terahertz wave generating unit for generating a terahertz wave; a Bessel beam forming unit for generating a terahertz Bessel beam using the terahertz wave incident from the terahertz wave generating unit; a ring beam forming unit for forming a ring beam using the terahertz Bessel beam and concentrating the formed ring beam to an inspection target object; a scattered light detecting unit for detecting scattered light generated from the inspection target object; and a ring beam detecting unit for detecting a ring beam transmitted through the inspection target object.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: February 15, 2022
    Assignee: KOREA FOOD RESEARCH INSTITUTE
    Inventors: Gyeong-Sik Ok, Sung-Wook Choi, Hyun-Joo Chang
  • Publication number: 20210204013
    Abstract: A display apparatus and a server which implements an interactive system are disclosed. The server includes a communicator which receives text information corresponding to a user voice collected at the display apparatus from the display apparatus, and a controller which extracts an utterance component from the text information and controls so that a query to search contents is generated using the extracted utterance component and transmitted to an external server which categorizes metadata of the content under each item and stores the same, in which the controller generates the query by adding a preset item to a criteria to search a content, when a number of criteria to categorize the content under an item corresponding to the extracted utterance component is less than a preset number.
    Type: Application
    Filed: March 11, 2021
    Publication date: July 1, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-wook Shin, Seung-min Shin, Sung-wook Choi, Hye-jeong Lee, Ji-hye Chung
  • Patent number: 11016269
    Abstract: A photographing lens and a photographing apparatus including the same. The photographing lens includes a first lens having a positive refractive power or a negative refractive power and being meniscus shaped; a second lens having a positive refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power and having a surface convex toward the image side; and a fifth lens having a negative refractive power, having a surface concave from the image side, and including at least one aspheric surface, wherein the first through fifth lenses are sequentially arranged from the object side toward the image side.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: May 25, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Liefeng Zhao, Sung-Wook Choi
  • Publication number: 20210152870
    Abstract: A display apparatus, including a microphone configured to receive a voice signal and a controller configured to generate a resulting screen corresponding to the voice signal different from a first displayed screen and according to a status of the content of the first displayed screen; to display the resulting screen on the display. Accordingly, the display apparatus provides a different resulting screen according to a status of the display apparatus.
    Type: Application
    Filed: January 27, 2021
    Publication date: May 20, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-ran LEE, Hee-seob RYU, Sung-wook CHOI, Sung-pil HWANG
  • Publication number: 20210140823
    Abstract: A high resolution inspection apparatus using a terahertz Bessel beam. The high resolution inspection apparatus comprises a terahertz wave generating unit for generating a terahertz wave; a Bessel beam forming unit for generating a terahertz Bessel beam using the terahertz wave incident from the terahertz wave generating unit; a ring beam forming unit for forming a ring beam using the terahertz Bessel beam and concentrating the formed ring beam to an inspection target object; a scattered light detecting unit for detecting scattered light generated from the inspection target object; and a ring beam detecting unit for detecting a ring beam transmitted through the inspection target object.
    Type: Application
    Filed: December 30, 2020
    Publication date: May 13, 2021
    Inventors: Gyeong-Sik OK, Sung-Wook CHOI, Hyun-Joo CHANG
  • Patent number: 10986391
    Abstract: A display apparatus and a server which implements an interactive system are disclosed. The server includes a communicator which receives text information corresponding to a user voice collected at the display apparatus from the display apparatus, and a controller which extracts an utterance component from the text information and controls so that a query to search contents is generated using the extracted utterance component and transmitted to an external server which categorizes metadata of the content under each item and stores the same, in which the controller generates the query by adding a preset item to a criteria to search a content, when a number of criteria to categorize the content under an item corresponding to the extracted utterance component is less than a preset number.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: April 20, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-wook Shin, Seung-min Shin, Sung-wook Choi, Hye-jeong Lee, Ji-hye Chung
  • Patent number: 10955293
    Abstract: According to one embodiment of the present invention, a terahertz wave concentrating module can comprise: a first lens for changing a terahertz wave, which is emitted while a terahertz Bessel beam penetrates an object to be inspected, so as to have a small angle; and a second lens for concentrating, on a detector, the terahertz wave having passed through the first lens.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: March 23, 2021
    Assignee: KOREA FOOD RESEARCH INSTITUTE
    Inventors: Gyeong-Sik Ok, Sung-Wook Choi, Hyun-Joo Chang
  • Publication number: 20210062252
    Abstract: There is provided a paper-based colorimetric sensor kit for quickly and simply diagnosing mercury in situ with a naked eye. The paper-based colorimetric sensor kit includes: a circular template for rolling circle amplification (RCA); a primer that does not hybridize to the circular template when a mercury ion is bonded to a primer that hybridizes to the circular template; a DNA polymerase; a sensing material kit including a nanoparticle probe labeled to a DNA coil formed in the circular template for RCA; and a radial chromatography paper.
    Type: Application
    Filed: December 27, 2018
    Publication date: March 4, 2021
    Inventors: Min-Ah WOO, Min-Cheol LIM, Sung-Wook CHOI, Tai-Yong KIM
  • Patent number: 10855175
    Abstract: A high voltage generator includes a voltage converting device configured to increase a level of an input voltage and output an output voltage having a level higher than the level of the input voltage. The high voltage generator also includes a precharge controller configured to gradually increase the level of the input voltage up to a level of an external voltage based on a reference voltage and the output voltage.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: December 1, 2020
    Assignees: SK hynix Inc., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Young-Il Kim, Sang-Sun Lee, Sung-Wook Choi
  • Publication number: 20200302935
    Abstract: A voice control method and display apparatus are provided. The voice control method includes converting a voice of a user into text in response to the voice being input during a voice input mode; performing a control operation corresponding to the text; determining whether speech of the user has finished based on a result of the performing the control operation; awaiting input of a subsequent voice of the user during a predetermined standby time in response to determining that the speech of the user has not finished; and releasing the voice input mode in response to determining that the speech of the user has finished.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 24, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-wook CHOI, Hee-seob RYU, Hee-ran LEE, Sung-pil HWANG
  • Publication number: 20200292452
    Abstract: A high-speed device, for inspecting a large area of an object, which includes: a terahertz wave generation portion configured to generate a terahertz wave; a ring beam forming portion configured to form a ring beam by using the terahertz wave incident from the terahertz wave generation portion; a rotary mirror configured to reflect the ring beam formed by the ring beam forming portion while rotating to allow the ring beam to be incident on an inspection target object; and a detector configured to detect a ring beam generated from the inspection target object.
    Type: Application
    Filed: February 9, 2018
    Publication date: September 17, 2020
    Inventors: Gyeong-Sik OK, Hee-Jun SHIN, Sung-Wook CHOI
  • Patent number: 10768049
    Abstract: A high resolution inspection apparatus using a terahertz Bessel beam. The high resolution inspection apparatus comprises a terahertz wave generating unit for generating a terahertz wave; a Bessel beam forming unit for forming a terahertz Bessel beam at an inspection target object using a terahertz wave incident from the terahertz wave generating unit; a first lens for changing an angle of the terahertz wave radiated, when the terahertz Bessel beam is transmitted through the inspection target object, to be smaller; a second lens for concentrating the terahertz wave passing through the first lens and toward a detection unit; and a terahertz wave detection unit for detecting the terahertz wave concentrated by the second lens.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: September 8, 2020
    Assignee: KOREA RESEARCH INSTITUTE
    Inventors: Gyeong-Sik Ok, Sung-Wook Choi, Hyun-Joo Chang
  • Publication number: 20200240844
    Abstract: According to one embodiment of the present invention, a terahertz wave concentrating module can comprise: a first lens for changing a terahertz wave, which is emitted while a terahertz Bessel beam penetrates an object to be inspected, so as to have a small angle; and a second lens for concentrating, on a detector, the terahertz wave having passed through the first lens.
    Type: Application
    Filed: February 25, 2020
    Publication date: July 30, 2020
    Inventors: Gyeong-Sik OK, Sung-Wook CHOI, Hyun-Joo CHANG
  • Patent number: 10720162
    Abstract: A voice control method and display apparatus are provided. The voice control method includes converting a voice of a user into text in response to the voice being input during a voice input mode; performing a control operation corresponding to the text; determining whether speech of the user has finished based on a result of the performing the control operation; awaiting input of a subsequent voice of the user during a predetermined standby time in response to determining that the speech of the user has not finished; and releasing the voice input mode in response to determining that the speech of the user has finished.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: July 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-wook Choi, Hee-seob Ryu, Hee-ran Lee, Sung-pil Hwang
  • Publication number: 20200191656
    Abstract: A high resolution inspection apparatus using a terahertz Bessel beam. The high resolution inspection apparatus comprises a terahertz wave generating unit for generating a terahertz wave; a Bessel beam forming unit for forming a terahertz Bessel beam at an inspection target object using a terahertz wave incident from the terahertz wave generating unit; a first lens for changing an angle of the terahertz wave radiated, when the terahertz Bessel beam is transmitted through the inspection target object, to be smaller; a second lens for concentrating the terahertz wave passing through the first lens and toward a detection unit; and a terahertz wave detection unit for detecting the terahertz wave concentrated by the second lens.
    Type: Application
    Filed: February 25, 2020
    Publication date: June 18, 2020
    Inventors: Gyeong-Sik OK, Sung-Wook CHOI, Hyun-Joo CHANG
  • Patent number: 10665722
    Abstract: An array substrate includes a first substrate, a thin film transistor disposed on the first substrate, a first electrode located on the first substrate, a protective layer located on the first electrode, and a second electrode located on the protective layer, wherein the protective layer includes a first layer and a second layer, the first layer has a first resistance value, the second layer has a second resistance value, the first layer is located between the first electrode and the second layer, and the second resistance value is less than the first resistance value.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: May 26, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Do-Yeon Kim, Jong-Hyun Kim, Sung-Wook Choi
  • Patent number: 10648864
    Abstract: According to one embodiment of the present invention, a terahertz wave concentrating module can comprise: a first lens for changing a terahertz wave, which is emitted while a terahertz Bessel beam penetrates an object to be inspected, so as to have a small angle; and a second lens for concentrating, on a detector, the terahertz wave having passed through the first lens.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: May 12, 2020
    Assignee: KOREA FOOD RESEARCH INSTITUTE
    Inventors: Gyeong-Sik Ok, Sung-Wook Choi, Hyun-Joo Chang
  • Patent number: 10624822
    Abstract: The present invention relates to a composite powder of jade powder and a porous polymer, and more specifically relates to a composite powder (jade sphere) in which jade powder particles are impregnated in a porous polymer, the composite powder being produced by spraying, in one step, a dispersion in which jade powder has been dispersed in a solution that dissolves porous polymers, and to a cosmetic composition containing the composite powder, and to a manufacturing method for the composite powder.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: April 21, 2020
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Hyun Suk Lee, Dong-Hyun Paik, Ga Young Cho, Hyoung June Kim, Hae Jin Jung, Dong Hyuk Jang, Yong Jin Kim, Lee Kyoung Kwon, John Hwan Lee, Sung-Wook Choi