Patents by Inventor Dae-sung Cho

Dae-sung Cho 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: 20240139003
    Abstract: Provided is a bioresorbable stent including a stent substrate including a bioresorbable polymer and a contrast medium containing an iodine component, coated on the stent substrate. Since the stent according to the present invention is absorbed in and removed from the human body after a predetermined time, it has excellent biodegradability since it has improved radiopacity by iodine contrast medium coating, it has a high radiography contrast and is very efficient even when a procedure is performed with real time radiography, and since it has low foreshortening and high flexibility, radial force, and re-coil, it may be useful for insertion into a blood vessel having a small diameter, an acute occlusive lesion, an imminent occlusive lesion, and the like.
    Type: Application
    Filed: May 13, 2022
    Publication date: May 2, 2024
    Inventors: Myung Ho JEONG, Dae Sung PARK, Jae Un KIM, Mun Ki KIM, Doo Sun SIM, Kyung Hoon CHO, Dae Young HYUN, Jun Kyu PARK
  • Patent number: 11957182
    Abstract: An aerosol generating device includes a main body and a cartridge detachably coupled to the main body. The main body includes a controller, a battery, and a first wireless communication unit. The cartridge includes a second wireless communication unit. The controller controls output power of the battery to apply a power pattern to the cartridge, and the first wireless communication unit establishes a wireless connection with the second wireless communication unit when power supplied from the battery to the cartridge matches a preset power pattern.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: April 16, 2024
    Assignee: KT&G CORPORATION
    Inventors: Byung Sung Cho, Won Kyeong Lee, Jong Sub Lee, Dae Nam Han
  • Publication number: 20240120365
    Abstract: A display apparatus including a display substrate, light emitting devices disposed on the display substrate, circuit electrodes disposed between the light emitting devices and the display substrate, and a transparent layer covering the light emitting devices and the circuit electrodes, in which at least one of the light emitting devices includes a first LED sub-unit configured to emit light having a first wavelength, a second LED sub-unit adjacent to the first LED sub-unit and configured to emit light having a second wavelength, a third LED sub-unit adjacent to the second LED sub-unit and configured to emit light having a third wavelength, and a substrate disposed on the third LED sub-unit, in which a difference in refractive indices between the transparent layer and air is less than a difference in refractive indices between the substrate and a semiconductor layer of the third LED sub-unit.
    Type: Application
    Filed: December 4, 2023
    Publication date: April 11, 2024
    Inventors: Chung Hoon LEE, Dae Sung CHO
  • Publication number: 20240092228
    Abstract: A seat for a vehicle, includes a second row center seat and a second row side seat provided on a partition wall positioned rearward of a driver seat, the second row center seat may move leftward or rightward, and an interval between the seats may be increased in a state in which the second row center seat is moved in a right direction away from the second row side seat, which makes it possible to maximally prevent body contact between a passenger in the second row center seat and a passenger in the second row side seat.
    Type: Application
    Filed: January 20, 2023
    Publication date: March 21, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc.
    Inventors: Jung Sang YOU, Yong Chul Kim, Dae Hee Lee, Eun Sue Kim, Jae Hoon Cho, Han Kyung Park, Jae Sung Shin, Hae Dong Kwak, Jun Sik Hwang, Gwon Hwa Bok
  • Patent number: 11932140
    Abstract: Disclosed is a cushion tip-up type seat for a vehicle. The cushion tip-up type seat for a vehicle is configured to perform a tip-up function of a cushion part, and to move a seat leftward and rightward to adjust an interval between left and right seats, whereby left and right spacing between occupants seated in the seats is sufficiently secured and the convenience of the occupants is improved.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: March 19, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc.
    Inventors: Dong Woo Jeong, Eun Sue Kim, Dae Hee Lee, Myung Hoe Kim, Jun Sik Hwang, Gwon Hwa Bok, Hae Dong Kwak, Jae Sung Shin, Han Kyung Park, Jae Hoon Cho
  • Publication number: 20240088107
    Abstract: A light emitting device includes a short wavelength light emitting portion, a long wavelength light emitting portion, and a coupling layer combining the short wavelength emitting portion and the long wavelength light emitting portion. Each of the short wavelength light emitting portion and the long wavelength light emitting portion includes a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer. The active layer of the long wavelength light emitting portion contains more Indium (In) than the active layer of the short wavelength light emitting portion, and the short wavelength light emitting portion emits light of a shorter wavelength than that of light emitted from the long wavelength light emitting portion.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Inventors: Chung Hoon LEE, Dae Sung CHO, So Ra LEE
  • Publication number: 20240067056
    Abstract: The present disclosure relates to a vehicle rear seat including: a center seat; and side seats located on the left and right of the center seat, wherein, the center seat is capable of protruding by moving the center seat forward with respect to the side seats, and in the state in which the center seat protrudes forward, it is possible to increase an inter-passenger distance so that physical contact between the passenger of the center seat and the passenger of each of the side seats can be prevented as much as possible.
    Type: Application
    Filed: March 6, 2023
    Publication date: February 29, 2024
    Inventors: Jung Sang You, Yong Chul Kim, Dae Hee Lee, Eun Sue Kim, Jae Hoon Cho, Han Kyung Park, Jae Sung Shin, Hae Dong Kwak, Jun Sik Hwang, Gwon Hwa Bok
  • Patent number: 11908881
    Abstract: A display apparatus is provided. The display apparatus includes a display substrate, a first micro LED module disposed on the display substrate, and a second micro LED module disposed on the display substrate and adjacent to the first micro LED module. The first micro LED module and the second micro LED module have side surfaces facing each other. The side surfaces facing each other of the first micro LED module and the second micro LED module are inclined in an identical direction with respect to an upper surface of the display substrate.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: February 20, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Dae Sung Cho, So Ra Lee
  • Patent number: 11862616
    Abstract: A light emitting device includes a short wavelength light emitting portion, a long wavelength light emitting portion, and a coupling layer combining the short wavelength emitting portion and the long wavelength light emitting portion. Each of the short wavelength light emitting portion and the long wavelength light emitting portion includes a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer. The active layer of the long wavelength light emitting portion contains more Indium (In) than the active layer of the short wavelength light emitting portion, and the short wavelength light emitting portion emits light of a shorter wavelength than that of light emitted from the long wavelength light emitting portion.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: January 2, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Chung Hoon Lee, Dae Sung Cho, So Ra Lee
  • Patent number: 11855052
    Abstract: A display apparatus includes a display substrate, first micro LED modules arranged on the display substrate, and at least one second micro LED module disposed between the first micro LED modules. Each of the first micro LED modules includes a first substrate, and micro LEDs disposed on the first substrate, the second micro LED module includes a second substrate, and micro LEDs disposed on the second substrate. The first substrate includes a lower body and a top plate located on the lower body. The lower body is recessed from an edge of the top plate, and the second micro LED module is disposed between recessed lower bodies of adjacent first micro LED modules.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: December 26, 2023
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Dae Sung Cho, So Ra Lee
  • Patent number: 11837625
    Abstract: A display apparatus including a display substrate, light emitting devices disposed on the display substrate, circuit electrodes disposed between the light emitting devices and the display substrate, and a transparent layer covering the light emitting devices and the circuit electrodes, in which at least one of the light emitting devices includes a first LED sub-unit configured to emit light having a first wavelength, a second LED sub-unit adjacent to the first LED sub-unit and configured to emit light having a second wavelength, a third LED sub-unit adjacent to the second LED sub-unit and configured to emit light having a third wavelength, and a substrate disposed on the third LED sub-unit, in which a difference in refractive indices between the transparent layer and air is less than a difference in refractive indices between the substrate and a semiconductor layer of the third LED sub-unit.
    Type: Grant
    Filed: October 30, 2022
    Date of Patent: December 5, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Chung Hoon Lee, Dae Sung Cho
  • Publication number: 20230387179
    Abstract: A display apparatus including a circuit board, pixels arranged on the circuit board, and a light blocking material covering one of the pixels, in which at least one of the pixels includes a first light emitting device and a second light emitting device spaced apart from each other, the first light emitting device includes a first LED stack configured to generate light having a first peak wavelength and a first bump pad, the second light emitting device includes a second LED stack configured to generate light having a second peak wavelength and a second bump pad, and the first light emitting device includes a first side surface having a region inclined at a first inclined angle, and the second light emitting device includes a second side surface facing the first side surface and having a region inclined at a second inclined angle different from the first inclined angle.
    Type: Application
    Filed: August 7, 2023
    Publication date: November 30, 2023
    Inventors: Dae Sung CHO, So Ra LEE, Chang Yeon KIM, Jong Min JANG
  • Patent number: 11798974
    Abstract: A display apparatus including a circuit board and a plurality of pixels arranged on the circuit board, in which at least one of the pixels includes a first light emitting device and a second light emitting device spaced apart from each other in a lateral direction, the first light emitting device includes a first LED stack configured to generate light having a first peak wavelength; and the second light emitting device includes a second LED stack configured to generate light having a second peak wavelength, and a third LED stack disposed on the second LED stack and configured to generate light having a third peak wavelength.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: October 24, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Dae Sung Cho, So Ra Lee, Chang Yeon Kim, Jong Min Jang
  • Patent number: 11776987
    Abstract: A display apparatus includes a display substrate, first micro LED modules arranged on the display substrate, and at least one second micro LED module disposed between the first micro LED modules. Each of the first micro LED modules includes a first substrate and micro LEDs disposed on the first substrate. The second micro LED module includes a second substrate and micro LEDs disposed on the second substrate. The second substrate bridges two adjacent first substrates.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: October 3, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Dae Sung Cho, So Ra Lee
  • Publication number: 20230107772
    Abstract: A display apparatus including a substrate, and pixel regions and at least one separation region between the pixel regions, each pixel region including a first LED stack, a second LED stack adjacent to the first LED stack, a third LED stack adjacent to the second LED stack and each having a side surface forming a first angle, a second angle, and a third angle with the substrate, respectively, electrode pads electrically connected to the first, second, and third LED stacks, and an insulation layer disposed on at least one of the first, second, and third LED stacks, in which the first LED stack is configured to emit light having a longer peak wavelength than that emitted from the second and third LED stacks, and the first angle is different from the second and third angles.
    Type: Application
    Filed: December 7, 2022
    Publication date: April 6, 2023
    Inventors: Jong Hyeon CHAE, Chang Yeon KIM, Seong Gyu JANG, Ho Joon LEE, Jong Min JANG, Dae Sung CHO
  • Publication number: 20230053740
    Abstract: A display apparatus including a display substrate, light emitting devices disposed on the display substrate, circuit electrodes disposed between the light emitting devices and the display substrate, and a transparent layer covering the light emitting devices and the circuit electrodes, in which at least one of the light emitting devices includes a first LED sub-unit configured to emit light having a first wavelength, a second LED sub-unit adjacent to the first LED sub-unit and configured to emit light having a second wavelength, a third LED sub-unit adjacent to the second LED sub-unit and configured to emit light having a third wavelength, and a substrate disposed on the third LED sub-unit, in which a difference in refractive indices between the transparent layer and air is less than a difference in refractive indices between the substrate and a semiconductor layer of the third LED sub-unit.
    Type: Application
    Filed: October 30, 2022
    Publication date: February 23, 2023
    Inventors: Chung Hoon LEE, Dae Sung CHO
  • Patent number: 11552057
    Abstract: A light emitting device for a display includes first LED sub-unit, second LED, and third LED sub-units, an insulating layer substantially covering the first, second, and third LED sub-units, and electrode pads electrically connected to the first, second, and third LED sub-units, in which the first LED sub-unit is disposed on a partial region of the second LED sub-unit, the second LED sub-unit is disposed on a partial region of the third LED sub-unit, the insulating layer has openings for electrical connection between the electrode pads, a common electrode pad is connected to the first, second, and third LED sub-units through the openings in the insulating layer, first, second, and third electrode pads are connected to the first, second, and third LED sub-units, respectively, through at least one of the openings, and the first, second, and third LED sub-units are configured to be independently driven using the electrode pads.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: January 10, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Chang Yeon Kim, Seong Gyu Jang, Ho Joon Lee, Jong Min Jang, Dae Sung Cho
  • Publication number: 20220406764
    Abstract: A light emitting module including a substrate, a plurality of light emitting devices disposed on the substrate and configured to emit light of a first wavelength, a partition structure formed between the light emitting devices, and a wavelength converter configured to convert light of the first wavelength emitted from the light emitting devices into light of another wavelength, the wavelength converter including a first layer including a light absorption layer and a first wavelength conversion portion and a second layer including a light absorption layer and a second wavelength conversion portion, in which the first wavelength conversion portion in the first layer is laterally spaced apart from the second wavelength conversion portion in the second layer in plan view.
    Type: Application
    Filed: May 13, 2022
    Publication date: December 22, 2022
    Inventors: Dae Sung CHO, So Ra LEE, Chung Hoon LEE
  • Patent number: 11527513
    Abstract: A light emitting device for a display including a plurality of pixel regions defined between at least one separation region disposed between the pixel regions, and a barrier disposed in the separation region, in which each of the pixel regions includes a first LED stack, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, and electrode pads electrically connected to the first, second, and third LED stacks, the electrode pads comprising a common electrode pad, a first electrode pad, a second electrode pad, and a third electrode pad, the common electrode pad is connected to the first, second, and third LED stacks, the first, second, and third electrode pads are connected to the first, second, and third LED stacks, respectively, and the first, second, and third LED stacks are configured to be independently driven using the electrode pads.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: December 13, 2022
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Chang Yeon Kim, Seong Gyu Jang, Ho Joon Lee, Jong Min Jang, Dae Sung Cho
  • Patent number: 11527514
    Abstract: A light emitting device for a display includes a pixel region including first, second, and third LED stacks, an adhesive layer disposed between the first and second LED stacks, or between the second and third LED stacks, a metal bonding layer at least partially surrounded by the adhesive layer, and disposed between and is electrically connected to the first and second LED stacks, or the second and third LED stacks, and a common electrode pad connected to the first, second, and third LED stacks, first, second, and third electrode pads connected to the first, second, and third LED stacks, respectively, and the first, second, and third LED stacks are configured to be independently driven using the electrode pads.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: December 13, 2022
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Chang Yeon Kim, Seong Gyu Jang, Ho Joon Lee, Jong Min Jang, Dae Sung Cho