Patents by Inventor Sung-chan An

Sung-chan An 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: 20220204796
    Abstract: A method for manufacturing a display device comprises the steps of: spraying, on a target substrate having a first electrode and a second electrode formed thereon, an element ink comprising a first element solvent and light-emitting elements dispersed in the first element solvent; forming a second element solvent in which at least some bonds of the first element solvent are decomposed by irradiating light to the first element solvent and mounting the light-emitting elements on the first electrode and the second electrode; and removing the second element solvent.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 30, 2022
    Inventors: Jae Hoon JUNG, Hee Yeon YOO, Hye Jung HONG, Hyo Jin KO, Duk Ki KIM, Jun Bo SIM, Sung Chan JO, Jong Hyuk KANG, Keun Kyu SONG, Hyun Min CHO
  • Patent number: 11373587
    Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: June 28, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Oh Kwag, Won Sik Oh, Keun Kyu Song, Sung-Chan Jo, Hyun Min Cho
  • Patent number: 11369424
    Abstract: An ultrasound apparatus of a body cavity insertable type includes: a handpiece; a supporting rod which is elongated from the handpiece; an ultrasound probe which is connected to the supporting rod and is configured to be able to be inserted in the body cavity; and a sealing cover which is separably coupled to the ultrasound probe to at least partially surround the ultrasound probe in a longitudinal direction from a distal end thereof. The ultrasound probe includes: a piezoelectric element; and a housing to which the piezoelectric element is mounted. An end of the housing is connected to the supporting, and the housing is provided with an ultrasound passing hole which is disposed outside the supporting rod. The sealing cover has an ultrasound passing window which is formed at a position corresponding to the ultrasound passing hole.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: June 28, 2022
    Assignee: KORUST CO., LTD.
    Inventor: Sung-Chan Cho
  • Publication number: 20220195237
    Abstract: A resin composition according to an exemplary embodiment of the present disclosure includes a first polyol represented by Chemical Formula 1, a second polyol represented by Chemical Formula 2, and a polyisocyanate, wherein the first polyol and the second polyol have a linear structure without a side chain. each of Y1 to Y4 is H or OH—, at least one of Y1 and Y2 is OH—, at least one of Y3 and Y4 is OH—, each of X1 to X3 is independently a C1-C20 alkyl group, the alkyl group includes or does not include an unsaturated bond, —CH2— in the alkyl group may be substituted or unsubstituted with —CHOH—, and each of n and m is independently 1 to 200.
    Type: Application
    Filed: March 9, 2022
    Publication date: June 23, 2022
    Inventors: Sung KIM, Hyun Sook KIM, Sung-Chan JO, Kyung Lae RHO, Soo Im JEONG, Seung Kyu LEE, Jang Hwan JEONG, Jae Ho CHOI, Soon Jong KIM, Seong Gea KIM, Jae Duck JUNG, Dong Hyeok OH, Kyoung Seok CHO
  • Patent number: 11367823
    Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element including a first end portion and a second end portion in a length direction thereof; first and second banks on the substrate; a first electrode on the first bank and a second electrode on the second bank; a first contact electrode on the first electrode; a second contact electrode on the second electrode; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second electrodes when viewed on a plane.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: June 21, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Hyun Kim, Hyun Min Cho, Hyun Deok Im, Jong Hyuk Kang, Keun Kyu Song, Joo Yeol Lee, Bek Hyun Lim, Sung-Chan Jo
  • Patent number: 11355559
    Abstract: A display device includes a display panel including a display area including: a stretchable display area at which the display panel is stretchable, disposed at an outer edge of the display device, and a normal display area having flexibility less than that of the stretchable display area, the normal display area disposed further from the outer edge of the display device than the stretchable display area; a cover window disposed on the display panel, including a peripheral portion and a central portion which is disposed further from the outer edge of the display device than the peripheral portion; and a vibration member disposing the normal display area having the flexibility less than that of the stretchable display area between the central portion of the cover window and the vibration member along a thickness direction of the display device.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: June 7, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Woo Im, Jung Hun Noh, Yi Joon Ahn, Sung Chan Jo
  • Publication number: 20220161224
    Abstract: Disclosed is an absorbent containing an amine for absorption of an acid gas in a biogas, and a biogas purification system using the same.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 26, 2022
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: IL HYUN BAEK, Sung Chan NAM
  • Publication number: 20220158052
    Abstract: A display device may include a substrate, pixels disposed on the substrate, each of the pixels including a first electrode, a second electrode, and a plurality of light emitting elements electrically connected between the first and the second electrodes, and a first oscillator disposed on the substrate and electrically connected to a first electrode of a first pixel of the pixels, the first oscillator including at least one transistor and at least one capacitor.
    Type: Application
    Filed: August 23, 2019
    Publication date: May 19, 2022
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ho LEE, Sung-Chan JO, Jong Hyuk KANG, Hyun Deok IM, Hyun Min CHO, Won Kyu KIM
  • Publication number: 20220145030
    Abstract: This application features a method of forming a polymer layer on the surface of a substrate using a self-initiating monomer. A polymer layer is formed by polymerization of a monomer on a metal layer to fill or cover defects of the metal layer. The metal layer the polymer layer may be used as an airtight material.
    Type: Application
    Filed: July 20, 2021
    Publication date: May 12, 2022
    Inventors: Sung-Chan Jo, Kyonghoon LEE, John S. ALTHAUS, Hyung Jin PARK
  • Publication number: 20220120055
    Abstract: A vibration ripper having a link structure with an improved vibration isolating function is characterized by including: a first vibroisolating body installed across the vibration body from a left lower portion of the vibration body; and a link device for connecting the outer body and the first vibroisolating body in order to absorb vibrations, wherein the link device is provided with a pair of connection members which are spaced apart from and parallel to each other, a coupling hole for coupling the first vibroisolating body is formed in the left side of the connection members, and a second vibroisolating body coupled to the outer body is integrally installed on the right side of the connection members.
    Type: Application
    Filed: November 28, 2019
    Publication date: April 21, 2022
    Applicant: STERLING TECHNOLOGY INC.
    Inventor: Sung Chan LEE
  • Publication number: 20220111833
    Abstract: A method of controlling a hybrid electric vehicle including an engine and a first motor connected to main drive wheels and a second motor connected to auxiliary drive wheels includes determining a required torque, in response to a predetermined condition being satisfied, determining a first torque that the second motor is to continuously output based on the required torque and a vehicle speed and determining a second torque that the second motor is to discontinuously output in order to compensate for acceleration loss in a situation in which the acceleration loss occurs based on a state of an engine clutch disposed between the engine and the first motor, a state of a transmission, or the required torque, and determining a final torque of the second motor based on the first and second torques.
    Type: Application
    Filed: October 12, 2021
    Publication date: April 14, 2022
    Inventors: Seong Ik Park, Sung Chan Na, Ku Young Kang, Yong Hoon Lee
  • Patent number: 11285532
    Abstract: Provided are a boron-nitride nanoplatelet(s) (BNNP)/metal nanocomposite powder and a preparing method thereof, the BNNP/metal nanocomposite powder including a base metal and BNNP dispersed in the base metal and configured to serve as a reinforcement of the base metal, wherein the BNNP are interposed between metal particles of the base metal in the form of a thin film of a plurality of layers and combined with the metal particles, and an amount of the BNNP in the base metal is greater than 0 vol % and less than 90 vol %.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: March 29, 2022
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Soon Hyung Hong, Sung Chan Yoo, Jun Ho Lee, Hee Su Byeon
  • Publication number: 20220093828
    Abstract: A display device is provided. The display device comprises: a first electrode and a second electrode spaced apart from and arranged to face the first electrode; a first insulating layer arranged to cover at least a partial region of the first and second electrodes; a shielding electrode layer which is arranged on the first insulating layer and which does not overlap at least a portion of the first and second electrodes; and at least one light-emitting element arranged between the first and second electrodes so as to be spaced apart from the shielding electrode layer, wherein the at least one light-emitting element can be arranged in a region in which the shielding electrode layer does not overlap the first and second electrodes.
    Type: Application
    Filed: August 23, 2019
    Publication date: March 24, 2022
    Inventors: Jin Oh KWAG, Hyun Deok IM, Keun Kyu SONG, Sung Chan JO, Hyun Min CHO
  • Publication number: 20220083206
    Abstract: A method of creating an interactive emoticon includes receiving a selected basic emoticon, receiving input user text, displaying a preview of an interactive emoticon to be transmitted based on the selected basic emoticon and the input user text, and forming the interactive emoticon based on the selected basic emoticon and the input user text, wherein the displaying of a preview of an interactive emoticon includes performing a font size change or a line break based on a number of characters of the input user text.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 17, 2022
    Applicant: BEMILY, INC.
    Inventors: Sung Chan PARK, Yang Woo LEE, Hyung Min SHIN, Kil Sang YU, Joo Yun JUNG, Yun Dong PARK, Won SEO, Do Hoon KIM, Jin Woo KIM, Myeong Yun SEONG, Byeong Joo KIM, Dong Wook MIN, Min Jae KIM
  • Patent number: 11272906
    Abstract: In accordance with one aspect of the present disclosure, an ultrasound imaging apparatus comprising: an ultrasonic probe for transmitting ultrasonic waves to a target object and receiving ultrasonic waves reflected from the object; a beamforming unit for beamforming the received ultrasonic wave and outputting a beamforming signal; a sampling unit for adjusting the number of sampling times of the beamforming signal according to the amount of motion of the object; and an image processing unit for matching and synthesizing the sampled signals.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: March 15, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Chan Park, Jong Keun Song, Joo Young Kang, Jung Ho Kim
  • Publication number: 20220037568
    Abstract: A display device includes a first electrode and a second electrode that are spaced apart from and facing each other; a light-blocking layer disposed above the first electrode and the second electrode; and at least one light-emitting element disposed between the first electrode and the second electrode. The light-blocking layer includes a light-blocking portion absorbing light and an opening pattern. The light-blocking portion includes an area partially overlapping the first electrode and the second electrode. The at least one opening pattern exposes portions of the first and second electrodes facing each other and at least a portion of an area between the first and second electrodes facing each other. The at least one light-emitting element overlaps the at least one opening pattern.
    Type: Application
    Filed: August 23, 2019
    Publication date: February 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jin Oh KWAG, Dae Hyun KIM, Keun Kyu SONG, Sung Chan JO, Hyun Min CHO
  • Publication number: 20220037292
    Abstract: An apparatus includes a base including a receiving portion that receives a substrate on which semiconductor elements are disposed; and at least one ultrasonic generator that generates and applies ultrasonic waves to the substrate placed in the base.
    Type: Application
    Filed: July 22, 2021
    Publication date: February 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: In Hyuk KIM, Dong Gyun KIM, Jae Hoon JUNG, Jin Oh KWAG, Hee Yeon YOO, Sung Chan JO, Jeong In CHOI, Hye Jung HONG, Jong Hyuk KANG, Dong Eon LEE, Hyun Min CHO
  • Publication number: 20220029058
    Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels in the display area, and each including sub-pixels. Each sub-pixel may include a pixel circuit layer, and a display element layer including at least one light emitting element. The display element layer may include: a first electrode on the pixel circuit layer; a second electrode on the first electrode and electrically insulated from the first electrode; the light emitting element including a first end portion coupled to the first electrode and a second end portion coupled to the second electrode, and between the first electrode and the second electrode; an intermediate layer enclosing at least one area of the light emitting element, and on the first electrode; a connection line electrically connected to the second electrode. The second electrode may be on the intermediate layer.
    Type: Application
    Filed: May 30, 2019
    Publication date: January 27, 2022
    Inventors: Dong Uk KIM, Jin Oh KWAG, Keun Kyu SONG, Sung-Chan JO, Hyun Min CHO
  • Publication number: 20210402368
    Abstract: Disclosed is an adsorbent containing a metal oxide for adsorption of hydrogen sulfide in biogas, and a biogas purification system using the same.
    Type: Application
    Filed: March 27, 2020
    Publication date: December 30, 2021
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: IL HYUN BAEK, Sung Chan NAM
  • Publication number: 20210398956
    Abstract: The invention relates to a light-emitting element dispersing agent; a light-emitting element ink comprising the same; and a method for producing a display device. This method for producing a display device may comprise spraying an ink including a solvent, light emitting elements, and a light emitting element dispersant onto a target substrate provided with a first electrode and a second electrode, applying a voltage to the first electrode and the second electrode to generate an electric field on the target substrate, irradiating the ink sprayed on the target substrate with light to form a dispersant fragment in which the light emitting element dispersant is decomposed, and removing the solvent and the dispersant fragment of the ink.
    Type: Application
    Filed: May 31, 2019
    Publication date: December 23, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Jae Hoon JUNG, Jong Hyuk KANG, Sung Chan JO