Patents by Inventor Kwang-Soo Choi

Kwang-Soo 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: 20240138196
    Abstract: A display device including a display panel including a display area including emission areas and a non-emission area adjacent to the emission areas, wherein the display panel includes: a pixel defining layer that includes first openings corresponding to the emission areas and a second opening corresponding to the non-emission area; light emitting elements each including a first electrode, a second electrode, and a light emitting layer disposed between the first electrode and the second electrode, wherein each of the light emitting elements is disposed in a corresponding one of the first openings; and a photovoltaic element including a first cell electrode, a second cell electrode, and an optical photovoltaic layer disposed between the first cell electrode and the second cell electrode, wherein the photovoltaic element is disposed in the second opening.
    Type: Application
    Filed: September 19, 2023
    Publication date: April 25, 2024
    Inventors: KWANG SOO BAE, Gun Hee Kim, Sun Hee Lee, Min Oh Choi
  • Publication number: 20240138227
    Abstract: A display device has a base layer, including light-emitting regions of first to third colors, respectively, at least one light-receiving region, and a non-light-emitting region surrounding the light-emitting regions and the at least one light-receiving region; a display element layer disposed on the base layer, including first to third light-emitting elements each corresponding to the light-emitting regions of the first to third colors, respectively, and a light-receiving element corresponding to the at least one light-receiving region; and a color filter layer disposed on the display element layer and including first to third color filters, first regions each having one color filter corresponding to a respective one of the first to third color filters disposed therein and each overlapping a respective one of the first to third color light-emitting regions, and a second region in which two different color filters of the first to third color filters are stacked.
    Type: Application
    Filed: September 14, 2023
    Publication date: April 25, 2024
    Inventors: KWANG SOO BAE, GEE-BUM KIM, BOKWANG SONG, MIN OH CHOI, SOO YEONG HONG
  • Publication number: 20240138229
    Abstract: A display device including: a substrate; first to third light emitting portions on the substrate; a light sensing portion on the substrate and configured to sense an incident light, a light blocking layer having a light blocking opening that overlaps the light sensing portion; a first color filter on the first light emitting portion, and configured to transmit the first light, and block the second light and the third light; a second color filter on the second light emitting portion, overlapping the light blocking opening, and configured to transmit the second light, and block the first light and the third light; a third color filter on the third light emitting portion, and configured to transmit the third light, and block the first light and the second light; and a first light blocking pattern on the second color filter and overlapping a portion of the light blocking opening.
    Type: Application
    Filed: July 23, 2023
    Publication date: April 25, 2024
    Inventors: Min Oh CHOI, Kwang Soo BAE, Gee Bum KIM, Bo Kwang SONG, Soo Yeong HONG
  • Patent number: 11961720
    Abstract: Disclosed herein is a multi-channel device for detecting plasma at an ultra-fast speed, including: a first antenna module connected to a first output terminal in contact with a substrate on a chuck of a process chamber and extending to ground, and receiving a first leakage current leaking through the substrate to increase reception sensitivity of the leakage current; a first current detection module detecting the first leakage current; a current measurement module receiving the first leakage current output from the first current detection module, and extracting the received first leakage current for each predetermined period to generate a first leakage current measurement information; and a control module comparing the first leakage current measurement information with a reference value to generate first arcing occurrence information.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: April 16, 2024
    Assignee: T.O.S Co., Ltd.
    Inventors: Yong Kyu Kim, Bum Ho Choi, Yong Sik Kim, Kwang Ki Kang, Hong Jong Jung, Seok Ho Lee, Seung Soo Lee
  • Patent number: 11957669
    Abstract: One aspect of the present disclosure is a pharmaceutical composition which includes (R)—N-[1-(3,5-difluoro-4-methansulfonylamino-phenyl)-ethyl]-3-(2-propyl-6-trifluoromethyl-pyridin-3-yl)-acrylamide as a first component and a cellulosic polymer as a second component, wherein the composition of one aspect of the present disclosure has a formulation characteristic in which crystal formation is delayed for a long time.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: April 16, 2024
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Joon Ho Choi, Won Kyung Cho, Kwang-Hyun Shin, Byoung Young Woo, Ki-Wha Lee, Min-Soo Kim, Jong Hwa Roh, Mi Young Park, Young-Ho Park, Eun Sil Park, Jae Hong Park
  • Publication number: 20240122030
    Abstract: A display device includes a base layer, and a pixel layer disposed on the base layer. The pixel layer includes reference pixel units and photo-sensing elements. Each of the reference pixel units includes a first light-emitting element, a second light-emitting element, and a third light-emitting element. Each of the photo-sensing elements is interposed between two second light-emitting elements adjacent to each other in a first direction, and at least one of the first light-emitting element or the third light-emitting element includes a plurality of sub-light-emitting elements electrically connected to each other.
    Type: Application
    Filed: September 7, 2023
    Publication date: April 11, 2024
    Inventors: Kwang Soo BAE, Gee-Bum KIM, Bokwang SONG, Min Oh CHOI
  • Patent number: 11944958
    Abstract: Disclosed herein are a catalyst for hydrocracking reaction of high molecular weight components in bio-oil, a method for preparing the same and a method for bio-oil upgrading using the same. The catalyst includes a zeolite carrier; and at least one metal selected from the group consisting of nickel (Ni), ruthenium (Ru) and cerium (Ce) supported on the carrier. The catalyst promotes the hydrocracking of high molecular weight compounds contained in the bio-oil, but also inhibits the polymerization reaction of the decomposed product, thereby more effectively enhancing the hydrocracking reaction of the bio-oil.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: April 2, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chunjae Yoo, Jeong-Myeong Ha, Dong Jin Suh, Jae Wook Choi, Young Hyun Yoon, Kyeongsu Kim, Chang Soo Kim, Kwang Ho Kim, Thi Lien Do
  • Publication number: 20240107032
    Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
    Type: Application
    Filed: December 7, 2023
    Publication date: March 28, 2024
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hae Chul CHOI, Se Yoon JEONG, Sung-Chang LIM, Jin Soo CHOI, Jin Woo HONG, Dong Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Gwang Hoon PARK, Seung Ryong KOOK, Sea-Nae PARK, Kwang-Su JEONG
  • Publication number: 20240084145
    Abstract: Disclosed are a pearlescent pigment and a preparation method therefor, wherein the pigment has a multilayered structure including a low-refractive index material layer between high-refractive index material layers on a glass flake substrate and thus has high color intensity, various colors depending on the viewing angle, and an improved sparkling effect. The pearlescent pigment according to the present invention comprises: a glass flake substrate having a D10 value of 40-80 ?m, a D50 value of 160-250 ?m, and a D90 value of 350-600 ?m and a thickness of 500 nm or more; and a metal oxide layer coated on the substrate, the metal oxide layer having a structure of a first metal oxide layer/an intermediate oxide layer containing MgO·SiO2/a second metal oxide layer.
    Type: Application
    Filed: June 28, 2022
    Publication date: March 14, 2024
    Inventors: Jae Il JEONG, Kwang Choong KANG, Byung Ki CHOI, Kwang Soo LIM, Kil Wan CHANG
  • Patent number: 11922717
    Abstract: A display device includes: a display panel including a light emitting element and a photosensitive element; an input sensor comprising a sensing electrode on the display panel; and an anti-reflection layer on the input sensor. The anti-reflection layer includes: a light shielding pattern having a first opening corresponding to the light emitting element and a second opening corresponding to the photosensitive element. The sensing electrode includes a plurality of line portions, the plurality of line portions includes a first line portion overlapping the light shielding pattern and arranged between the first opening and the second opening on a plane. S distance between the first line portion and an edge of the second opening is less than a distance between the first line portion and an edge of the first opening.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Soo Bae, Gee-Bum Kim, Bokwang Song, Dae-Young Lee, Min Oh Choi
  • Publication number: 20230208285
    Abstract: A power supply system may include a target device and an adapter. The target device may include an adapter connection switch that receives adapter recognition information to form a connection with the adapter, a voltage detection unit that receives an output voltage from an adapter, and a voltage-change-requesting unit that outputs a voltage to request a voltage change based on information on the output voltage from the adapter. The adapter may include a device information recognition unit that receives the voltage to request a voltage change, and an output-voltage-changing unit that changes the output voltage based on the voltage to request a voltage change.
    Type: Application
    Filed: March 10, 2023
    Publication date: June 29, 2023
    Applicant: CSIP CONSULTING LTD.
    Inventors: Young Seung NOH, Kwang Soo CHOI, Bo Mi LEE, Chan Sung JANG
  • Patent number: 11658566
    Abstract: A power supply system may include a target device and an adapter. The target device may include an adapter connection switch that receives adapter recognition information to form a connection with the adapter, a voltage detection unit that receives an output voltage from an adapter, and a voltage-change-requesting unit that outputs a voltage to request a voltage change based on information on the output voltage from the adapter. The adapter may include a device information recognition unit that receives the voltage to request a voltage change, and an output-voltage-changing unit that changes the output voltage based on the voltage to request a voltage change.
    Type: Grant
    Filed: October 6, 2022
    Date of Patent: May 23, 2023
    Assignee: CSIP CONSULTING LTD.
    Inventors: Young Seung Noh, Kwang Soo Choi, Bo Mi Lee, Chan Sung Jang
  • Publication number: 20230102391
    Abstract: A power supply system may include a target device and an adapter. The target device may include an adapter connection switch that receives adapter recognition information to form a connection with the adapter, a voltage detection unit that receives an output voltage from an adapter, and a voltage-change-requesting unit that outputs a voltage to request a voltage change based on information on the output voltage from the adapter. The adapter may include a device information recognition unit that receives the voltage to request a voltage change, and an output-voltage-changing unit that changes the output voltage based on the voltage to request a voltage change.
    Type: Application
    Filed: October 6, 2022
    Publication date: March 30, 2023
    Applicant: CSIP CONSULTING LTD.
    Inventors: Young Seung NOH, Kwang Soo CHOI, Bo Mi LEE, Chan Sung JANG
  • Patent number: 11515783
    Abstract: A power supply system may include a target device and an adapter. The target device may include an adapter connection switch that receives adapter recognition information to form a connection with the adapter, a voltage detection unit that receives an output voltage from an adapter, and a voltage-change-requesting unit that outputs a voltage to request a voltage change based on information on the output voltage from the adapter. The adapter may include a device information recognition unit that receives the voltage to request a voltage change, and an output-voltage-changing unit that changes the output voltage based on the voltage to request a voltage change.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: November 29, 2022
    Assignee: CSIP CONSULTING LTD.
    Inventors: Young Seung Noh, Kwang Soo Choi, Bo Mi Lee, Chan Sung Jang
  • Patent number: 9407951
    Abstract: An image display apparatus for receiving and processing a broadcast signal and a method for operating the same are disclosed. The method includes receiving a notification through a network interface or a tuner, generating a promotion card object including the notification by processing the received notification by a card object generator, and displaying the promotion card object on a display.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: August 2, 2016
    Assignee: LG Electronics Inc.
    Inventors: Hyo Jung Oh, Kwang Soo Choi
  • Patent number: 9351031
    Abstract: An image display apparatus for receiving and processing a broadcast signal and a method for operating the same are disclosed. The method includes receiving a notification through a network interface or a tuner, generating a promotion card object including the notification by processing the received notification by a card object generator, and displaying the promotion card object on a display.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: May 24, 2016
    Assignee: LG Electronics Inc.
    Inventors: Hyo Jung Oh, Kwang Soo Choi
  • Publication number: 20150295510
    Abstract: A universal power supply apparatus may include a power converting unit converting input power into a plurality of voltages having preset levels, a path providing unit providing transfer paths for the plurality of voltages having preset levels from the power converting unit and having a common capacitor connected to an output terminal of the transfer paths, a voltage selecting circuit unit selecting at least one output of the transfer paths corresponding to each of the plurality of voltages having preset levels, and a voltage controlling unit controlling a voltage of output power according to the selection of the voltage selecting circuit unit.
    Type: Application
    Filed: September 25, 2014
    Publication date: October 15, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Seung Noh, Kwang Soo Choi, Bo Mi Lee, Chan Sung Jang
  • Patent number: 9041802
    Abstract: The present invention relates, in general, to a digital capture device for learning which captures (or photographs) images of both/either side of an open book in real time and transmits the captured images of the book to an output unit that enlarges or reduces the captured images (characters, pictures, etc.) of the book and displays them, thus allowing a learner to view the images, or that recognizes the characters of the images and outputs the recognized characters in the from of audio speech, thus allowing the learner to listen to the audio speech. More particularly, the present invention relates to a digital capture device for learning which is configured to exactly capture the images of the book without distorting the images.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: May 26, 2015
    Assignee: TAMTUS CO., LTD.
    Inventors: Myoung Soo Choi, Kwang Soo Choi
  • Publication number: 20150115931
    Abstract: A power supply system may include a target device and an adapter. The target device may include an adapter connection switch that receives adapter recognition information to form a connection with the adapter, a voltage detection unit that receives an output voltage from an adapter, and a voltage-change-requesting unit that outputs a voltage to request a voltage change based on information on the output voltage from the adapter. The adapter may include a device information recognition unit that receives the voltage to request a voltage change, and an output-voltage-changing unit that changes the output voltage based on the voltage to request a voltage change.
    Type: Application
    Filed: May 8, 2014
    Publication date: April 30, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Seung NOH, Kwang Soo CHOI, Bo Mi LEE, Chan Sung JANG
  • Patent number: 8867238
    Abstract: Disclosed herein is an electric generating system using a solar cell which converts a voltage generated in the solar cell into an Alternating Current (AC) voltage, and applies the converted voltage to a power system. The electric generating system includes; a Direct Current (DC)/DC converter that converts the voltage generated in the solar cell into a DC voltage, and has a synchronous rectifier including a synchronous switch; and a controller that detects one of a phase and a voltage of the power system, and selectively connects the synchronous switch of the synchronous rectifier in accordance with one of the phase and voltage of the power system. Here, the electric generating system reduces a conduction loss, and increases overall efficiency of the electric generation system.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: October 21, 2014
    Assignees: Samsung Electro-Mechanics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Tae Won Lee, Kwang Soo Choi, Min Ho Heo, Jeong Kyu Park, Chung Yuen Won, Yong Hyok Ji, Young Ho Kim, Tae Hoon Kim