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: 20250023000
    Abstract: A mother substrate for a display panel and a display panel using the same are disclosed. The mother substrate comprises a plurality of display area including a plurality of light-emitting areas configured to receive light-emitting elements, a plurality of wirings, and a plurality of pads connected to the plurality of wirings; a conductive ring in a non-display area that surrounds the display area such that each of the display areas is surrounded by the conductive ring and electrically connected to the pads; a photoresist pattern covering the plurality of display areas and the non-display area; and a first metal layer covering the photoresist pattern. The conductive ring includes an electrostatic blocking area.
    Type: Application
    Filed: May 28, 2024
    Publication date: January 16, 2025
    Inventors: Jun Young Jo, Bung Goo Kim, Hyoung Ho Ahn, Hee Won Lee, Hye Sun Jung, Sang Hak Shin, Jae Kwang Lee, Hyoung Sun Park, Pyung Ho Choi, Tae Yoon Kim
  • Publication number: 20250024698
    Abstract: An object of the present invention is to provide a material for organic EL elements, the material being excellent in hole injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability. Another object of the present invention is to provide an organic EL element having high efficiency, a low driving voltage, and a long lifespan, by combining the aforementioned material with various materials for organic EL elements, the materials being excellent in hole/electron injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability, such that the properties of the individual materials can be effectively exhibited.
    Type: Application
    Filed: August 1, 2022
    Publication date: January 16, 2025
    Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Junichi IZUMIDA, Sang-Won KO, Bong-Hyang LEE, Jung-Ho RYU, Jin-ho LEE, Kouki KASE, Shuichi HAYASHI, Se-Jin LEE, Tae-Jung YU, Young-Tae CHOI, Sung-Hoon JOO, Byung-Sun YANG, Ji-Hwan KIM, Bong-Ki SHIN
  • Patent number: 12171258
    Abstract: An aerosol-generating article according to one embodiment includes a medium portion; a first hollow tube disposed to face a downstream end of the medium portion and including a first hollow; a cooling portion disposed next to a downstream side of the first hollow tube, including a second hollow tube including a second hollow having a diameter equal to or greater than a diameter of the first hollow and a cooling element; a filter portion disposed to face the downstream end of the cooling portion; and a wrapper wrapping at least a portion of the medium portion, the first hollow tube, the cooling portion, and the filter portion.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: December 24, 2024
    Assignee: KT&G CORPORATION
    Inventors: Bong Su Cheong, Dong Kyun Ko, Jae Sung Noh, Sang Won Choi, Jung Seop Hwang
  • Publication number: 20240389643
    Abstract: The present invention provides an aerosol-generating article including a first aerosol-generating substrate portion, a second aerosol-generating substrate portion, and a filter portion containing nicotine, and an aerosol-generating device comprising the same, wherein the second aerosol-generating substrate portion includes an absorber impregnated with a liquid aerosol-generating composition.
    Type: Application
    Filed: August 5, 2024
    Publication date: November 28, 2024
    Applicant: KT&G CORPORATION
    Inventors: In Su PARK, Dong Kyun KO, Sang Won CHOI, Sun Hwan JUNG, Eun Mi JEOUNG
  • Patent number: 12147606
    Abstract: A tactile stimulation providing system includes: an apparatus for generating first actuator strength values corresponding to representative values of frequency bands of first audio data and second actuator strength values corresponding to representative values of frequency bands of second audio data; and an apparatus for driving actuators, based on the first actuator strength values and the second actuator strength values, wherein a number of the actuators is smaller than a number of the first and second actuator strength values, the first audio data includes information on a first direction, the second audio data includes information on a second direction, an actuator corresponding to first position information is driven based on only at least one of the first actuator strength values, and an actuator corresponding to second position information is driven based on only at least one of the second actuator strength values.
    Type: Grant
    Filed: November 1, 2023
    Date of Patent: November 19, 2024
    Assignee: BHAPTICS INC.
    Inventors: Sang Won Choi, Ki Uk Gwak
  • Patent number: 12137727
    Abstract: The present invention provides an aerosol-generating article including a first aerosol-generating substrate portion, a second aerosol-generating substrate portion, and a filter portion containing nicotine, and an aerosol-generating device comprising the same, wherein the second aerosol-generating substrate portion includes an absorber impregnated with a liquid aerosol-generating composition.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: November 12, 2024
    Assignee: KT&G CORPORATION
    Inventors: In Su Park, Dong Kyun Ko, Sang Won Choi, Sun Hwan Jung, Eun Mi Jeoung
  • Publication number: 20240365844
    Abstract: An aerosol generating article includes a segment, wherein the segment includes a capsule and a medium surrounding the capsule, and the capsule includes a core including a basic substance, and a shell surrounding the core.
    Type: Application
    Filed: January 11, 2023
    Publication date: November 7, 2024
    Applicant: KT&G CORPORATION
    Inventors: Hyeon Tae KIM, Sang Won CHOI
  • Patent number: 12063958
    Abstract: The present disclosure provides a disposable liquid aerosol generating article which includes an aerosol generating substrate portion and a filter portion, the aerosol generating substrate portion including an absorber impregnated with a liquid substance for forming an aerosol, and an amount of the liquid substance corresponding to 10 to 30 times of inhalation.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: August 20, 2024
    Assignee: KT&G CORPORATION
    Inventors: In Su Park, Dong Kyun Ko, Sang Won Choi, Sun Hwan Jung, Eun Mi Jeoung
  • Patent number: 11969011
    Abstract: A cigarette includes a tobacco rod, a front end plug positioned at a front end of the tobacco rod, a filter rod positioned at a rear end of the tobacco rod, and a wrapper surrounding the tobacco rod, the front end plug, and the filter rod and including at least one perforation formed in an area of the wrapper to allow air to flow to the inside of the wrapper.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: April 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jung Seop Hwang, Dong Kyun Ko, Jae Sung Noh, Bong Su Cheong, Sang Won Choi
  • Patent number: 11944118
    Abstract: Provided is an aerosol-generating article including a wrapper which is discolored as the aerosol-generating material is heated, the aerosol-generating article including: a tobacco rod; a front-end plug arranged on a side of the tobacco rod; a filter rod arranged on the other side of the tobacco rod; and the wrapper surrounding the tobacco rod, the front-end plug, and the filter rod, wherein the wrapper includes a thermochromic material which is heated and discolored by an aerosol-generating device when the aerosol-generating article is inserted into the aerosol-generating device.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: April 2, 2024
    Assignee: KT&G CORPORATION
    Inventors: Bong Su Cheong, Dong Kyun Ko, Jae Sung Noh, Sang Won Choi, Jung Seop Hwang
  • Publication number: 20240061508
    Abstract: A tactile stimulation providing system includes: an apparatus for generating first actuator strength values corresponding to representative values of frequency bands of first audio data and second actuator strength values corresponding to representative values of frequency bands of second audio data; and an apparatus for driving actuators, based on the first actuator strength values and the second actuator strength values, wherein a number of the actuators is smaller than a number of the first and second actuator strength values, the first audio data includes information on a first direction, the second audio data includes information on a second direction, an actuator corresponding to first position information is driven based on only at least one of the first actuator strength values, and an actuator corresponding to second position information is driven based on only at least one of the second actuator strength values.
    Type: Application
    Filed: November 1, 2023
    Publication date: February 22, 2024
    Inventors: Sang Won CHOI, Ki Uk GWAK
  • Patent number: 11882869
    Abstract: A cigarette according to an embodiment may include a cigarette rod including an aerosol-generating material; a filter rod located at one end of the cigarette rod and including a first segment and a second segment; a front end plug located at the other end of the cigarette rod; and an outer wrapper wrapping the cigarette rod, the filter rod and the front end plug, wherein the outer wrapper has a basis weight of 57 g/m2 to 63 g/m2 and a thickness of 64 ?m to 70 ?m to increase the strength of the cigarette.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: January 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jung Seop Hwang, Dong Kyun Ko, Jae Sung Noh, Bong Su Cheong, Sang Won Choi
  • Patent number: 11877592
    Abstract: Provided is an aerosol generating article including a filter segment in which a channel is formed, the aerosol generating article including: a front-end filter segment arranged at an upstream end that is to be inserted into an aerosol generating device; a rear-end filter segment arranged at a downstream end that is to contact a mouth of a user; and a tobacco rod arranged between the front-end filter segment and the rear-end filter segment, wherein at least one filter segment of the front-end filter segment and the rear-end filter segment includes: at least one channel extending from the upstream end toward the downstream end; and a filter structure filtering out some components of aerosol, and wherein the at least one filter segment has a suction resistance corresponding to a ratio between a cross-sectional area of the at least one channel and a cross-sectional area of the filter structure.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: January 23, 2024
    Assignee: KT&G CORPORATION
    Inventors: Bong Su Cheong, Dong Kyun Ko, Jae Sung Noh, Sang Won Choi, Jung Seop Hwang
  • Patent number: 11841730
    Abstract: A tactile stimulation providing system includes: an apparatus for generating first actuator strength values corresponding to representative values of frequency bands of first audio data and second actuator strength values corresponding to representative values of frequency bands of second audio data; and an apparatus for driving actuators, based on the first actuator strength values and the second actuator strength values, wherein a number of the actuators is smaller than a number of the first and second actuator strength values, the first audio data includes information on a first direction, the second audio data includes information on a second direction, an actuator corresponding to first position information is driven based on only at least one of the first actuator strength values, and an actuator corresponding to second position information is driven based on only at least one of the second actuator strength values.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: December 12, 2023
    Assignee: Bhaptics Inc.
    Inventors: Sang Won Choi, Ki Uk Gwak
  • Patent number: 11721491
    Abstract: A multilayer electronic component includes: a body including dielectric layers and internal electrodes alternately disposed with the dielectric layers; and external electrodes disposed on the body. One of the internal electrodes includes interfacial portions disposed at interfaces thereof with two of the dielectric layers, between which the one of the internal electrodes is disposed, and a central portion disposed between the interfacial portions, and one of the interfacial portions has a Mn content higher than an average Mn content of the central portion and an average Mn content of one of the dielectric layers which is in contact with the one of the interfacial portions.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jun Il Song, Sang Won Choi, Seung Heui Lee, Su Min Shin
  • Publication number: 20230038498
    Abstract: Methods and devices for producing cavitation in tissue are provided. Methods and devices are also provided for surgical navigation, including defining a target treatment zone and navigating a focus of a therapy transducer to the target treatment zone. Embodiments are provided for co-registering a plurality of surgical imaging and navigation systems. Systems for performing Histotripsy therapy are also discussed.
    Type: Application
    Filed: January 7, 2021
    Publication date: February 9, 2023
    Inventors: Zhen XU, Adita S. PANDEY, Jonathan SUKOVICH, Tyler GERHARDSON, Sang Won CHOI
  • Publication number: 20230015728
    Abstract: A tactile stimulation providing system includes: an apparatus for generating first actuator strength values corresponding to representative values of frequency bands of first audio data and second actuator strength values corresponding to representative values of frequency bands of second audio data; and an apparatus for driving actuators, based on the first actuator strength values and the second actuator strength values, wherein a number of the actuators is smaller than a number of the first and second actuator strength values, the first audio data includes information on a first direction, the second audio data includes information on a second direction, an actuator corresponding to first position information is driven based on only at least one of the first actuator strength values, and an actuator corresponding to second position information is driven based on only at least one of the second actuator strength values.
    Type: Application
    Filed: October 20, 2020
    Publication date: January 19, 2023
    Inventors: Sang Won CHOI, Ki Uk GWAK
  • Publication number: 20220208471
    Abstract: A multilayer electronic component includes: a body including dielectric layers and internal electrodes alternately disposed with the dielectric layers; and external electrodes disposed on the body. One of the internal electrodes includes interfacial portions disposed at interfaces thereof with two of the dielectric layers, between which the one of the internal electrodes is disposed, and a central portion disposed between the interfacial portions, and one of the interfacial portions has a Mn content higher than an average Mn content of the central portion and an average Mn content of one of the dielectric layers which is in contact with the one of the interfacial portions.
    Type: Application
    Filed: October 20, 2021
    Publication date: June 30, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jun Il SONG, Sang Won CHOI, Seung Heui LEE, Su Min SHIN
  • Patent number: 11172525
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method for transmitting a device to device (D2D) discovery signal by a user equipment (UE) in a communication system supporting a D2D scheme is provided. The method includes determining transmission power for D2D discovery signal transmission, and transmitting a D2D discovery signal using the transmission power, wherein the transmission power is determined by considering a cell at which the D2D discovery signal is transmitted.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: November 9, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Seok Ryu, Peng Xue, Sang-Won Choi
  • Publication number: 20210307380
    Abstract: Provided is an aerosol-generating article including a wrapper which is discolored as the aerosol-generating material is heated, the aerosol-generating article including: a tobacco rod; a front-end plug arranged on a side of the tobacco rod; a filter rod arranged on the other side of the tobacco rod; and the wrapper surrounding the tobacco rod, the front-end plug, and the filter rod, wherein the wrapper includes a thermochromic material which is heated and discolored by an aerosol-generating device when the aerosol-generating article is inserted into the aerosol-generating device.
    Type: Application
    Filed: November 13, 2019
    Publication date: October 7, 2021
    Applicant: KT&G CORPORATION
    Inventors: Bong Su CHEONG, Dong Kyun KO, Jae Sung NOH, Sang Won CHOI, Jung Seop HWANG