Patents by Inventor Jae-Ho Choi

Jae-Ho 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: 10834794
    Abstract: An LED lighting device according to one embodiment of the present invention comprises: an LED array; a first control unit for controlling the dimming of the LED array; a second control unit for transmitting, to the first control unit, a dimming control signal for controlling the dimming of the LED array; and a transformer comprising a primary coil and a secondary coil spaced apart from each other, wherein the first control unit is connected to the primary coil, the second control unit is connected to the secondary coil, the primary coil and the secondary coil are insulated from each other, the transformer transmits a pulse signal that repeats on/off at predetermined intervals from the first control unit to the second control unit, and, when the pulse signal transmitted from the first control unit to the second control unit via the transformer becomes off, the dimming control signal is transmitted from the second control unit to the first control unit via the transformer and is used to control the dimming of t
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: November 10, 2020
    Assignee: LG Innotek Co., Ltd.
    Inventors: Ji Woong Jo, Jong Hyun Lee, Jae Ho Choi, Min Hak Kim, Min Su Seo, Seung Wan Baek
  • Publication number: 20200317154
    Abstract: A seat airbag for a vehicle includes: a cushion including: a main part provided along an edge of a seatback of a vehicle, the main part spreading to a front part of the seatback so as to cover a passenger when spreading and open on a front part of the main part while covering opposite side parts and an upper part of the passenger; and an extension part connected to an open front end of the main part and shrinking so as to protect a front part of the passenger; and a protection tether connected to the extension part and shrinking the extension part by pulling the extension part during spreading of the main part.
    Type: Application
    Filed: September 16, 2019
    Publication date: October 8, 2020
    Inventor: Jae Ho Choi
  • Publication number: 20200301535
    Abstract: A display device includes: a substrate including a display region having pixels and a non-display region disposed along at least part of the periphery of the display region; first lines in the non-display region of the substrate; a first insulating layer disposed on the first lines; second lines disposed on the first insulating layer in the non-display region; a second insulating layer disposed on the second lines; a third line disposed on the second insulating layer, the third line overlapping portions of the first and second lines in the non-display region; a third insulating layer disposed on the third line, the third insulating layer exposing a portion of the third line in a first region that overlaps with the first and second lines; and a fourth line on the third insulating layer, the fourth line overlapping the third line and in direct contact with the third line in the first region.
    Type: Application
    Filed: December 5, 2019
    Publication date: September 24, 2020
    Inventors: Jae Ho CHOI, Jae Yong LEE, Chang Won JEONG
  • Patent number: 10773938
    Abstract: An exemplary embodiment of the present disclosure provides a forklift system. The system includes a vehicle body of a forklift; a fork configured to be vertically movable at one side of the vehicle body; a sensor unit; and a control unit. The sensor unit is configured to be disposed at a front end portion of the fork to detect an external object. The control unit is configured to control movement of the vehicle body or the position of the fork according to a detection signal generated by the sensor unit.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: September 15, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Euihyun Kim, Jae Ho Choi, Jung Su Gong, Jung Whan Yeum, Sangduck Han
  • Publication number: 20200274916
    Abstract: An apparatus for providing a folder chat room includes: a memory; and a processor electrically connected to the memory, wherein the processor receives a request for access to a folder from a user terminal, provides a list of files in the folder, and determines the user terminal's right to access a folder chat room and provides at least part of a message thread that is associated with the folder and rendered as a folder chat room on the user terminal.
    Type: Application
    Filed: February 22, 2019
    Publication date: August 27, 2020
    Applicants: DELTA PDS CO., LTD.
    Inventor: Jae Ho CHOI
  • Publication number: 20200228580
    Abstract: A chat room-based file sharing device includes: a memory; and a processor electrically connected to the memory, wherein the processor receives file sharing request information including information about a target shared file and a shared file recipient, creates a file sharing chat room associated with the target shared file, that is specified by the file sharing request information, and, when the file sharing chat room is rendered on a terminal of the shared file recipient, provides a file object corresponding to the target shared file through the file sharing chat room, wherein the file sharer and the shared file recipient share the target shared file through the file sharing chat room by participating as chat participants in the file sharing chat room.
    Type: Application
    Filed: February 22, 2019
    Publication date: July 16, 2020
    Applicants: DELTA PDS CO., LTD.
    Inventor: Jae Ho CHOI
  • Patent number: 10706710
    Abstract: A method of providing a reminder based on a chat room performed by a chat room based reminder apparatus connected to at least one user terminal, the method including: bringing a message thread corresponding to a chat room related to a user terminal and a to-do item set of at least one to-do item related to the message thread and including a to-do receiver, a to-do provider, to-do contents, a to-do status, and a deadline; generating a reminder set including at least one reminder to-do item satisfying a reminder condition in the to-do item set; generating a reminder message for each of the at least one reminder to-do item; and detecting a time zone of the to-do receiver and delaying to add the reminder message to the message thread to a receivable time of the to-do receiver.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: July 7, 2020
    Assignees: DELTA PDS CO., LTD.
    Inventor: Jae Ho Choi
  • Publication number: 20200204511
    Abstract: A file-related task management device includes: a memory; and a processor electrically connected to the memory, wherein the processor creates a file chat room that is associated with a file in a folder shared by one or more folder sharers and is accessible through the file, receives, from a user terminal of the one or more folder sharers, an update log for an update to the file made by the user terminal, and displays a message thread in the file chat room, the message thread including a log message for the update, wherein chat messages related to the file between the one or more folder sharers and the log message are displayed together in the file chat room.
    Type: Application
    Filed: February 22, 2019
    Publication date: June 25, 2020
    Applicants: DELTA PDS CO., LTD.
    Inventor: Jae Ho CHOI
  • Patent number: 10688955
    Abstract: A center curtain airbag for a vehicle may include an upper cushion device configured to be deployed from a roof device of the vehicle into a space between a front seat and a rear seat when an inflator operates; a lower cushion device connecting and communicating with the upper cushion device and configured to extend downwardly from the upper cushion device; and a guide tether including a first end portion coupled to the upper cushion device or the roof device, and a second end portion coupled to a lower end portion of the lower cushion device, the guide tether being configured to provide, when the lower cushion device along with the upper cushion device is deployed, a pulling force to the lower cushion device so that the lower cushion device may be deformed to protrude toward the front and rear seats.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: June 23, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Pyoung Sik Shin, Jae Ho Choi
  • Publication number: 20200180537
    Abstract: A passenger protection system for a vehicle includes: a seat which slides e forwards and backwards and rotates laterally, where the seat has a seat belt equipped with a belt airbag, and a side airbag provided on a side of a seatback of the seat; a front airbag provided in a front structure located in front of the seat of the vehicle to be deployed towards the seat; a curtain airbag provided in a pillar trim on an upper end of a vehicle door to be deployed downwards; and a controller to selectively deploy the belt airbag, the side airbag, the front airbag and the curtain airbag, depending on a sliding position and a rotating direction of the seat and a detection or a predicted direction of a vehicle collision.
    Type: Application
    Filed: May 14, 2019
    Publication date: June 11, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Jae Ho CHOI
  • Publication number: 20200164827
    Abstract: A knee airbag apparatus for an autonomous vehicle, wherein a first cushion and a second cushion are deployed toward the knees of a passenger and a third cushion is deployed toward the feet and shins of the passenger according to a collision mode (head-on collision, offset collision or oblique collision) and a position (normal position or relaxation position) of a seat.
    Type: Application
    Filed: April 10, 2019
    Publication date: May 28, 2020
    Applicants: Hyundai Motor Company, KIA Motors Corporation
    Inventors: Tae Oh Oh, Jae Ho Choi
  • Publication number: 20200152155
    Abstract: A display device includes a display panel including a plurality of pixels, a scan driving unit configured to provide a scan signal to the pixels, a data driving unit configured to provide a data signal to the pixels, and a controller configured to provide driving frequency information to a processor, which transfers image data with a driving frequency determined based on the driving frequency information to the display device, to receive the image data with the driving frequency from the processor, and to control the scan driving unit and the data driving unit to drive the display panel with the driving frequency.
    Type: Application
    Filed: January 13, 2020
    Publication date: May 14, 2020
    Inventors: Myeong-Su KIM, Su-Hyeong PARK, Ho-Yong JUNG, Jae-Ho CHOI
  • Publication number: 20200146125
    Abstract: An LED lighting device according to one embodiment of the present invention comprises: an LED array; a first control unit for controlling the dimming of the LED array; a second control unit for transmitting, to the first control unit, a dimming control signal for controlling the dimming of the LED array; and a transformer comprising a primary coil and a secondary coil spaced apart from each other, wherein the first control unit is connected to the primary coil, the second control unit is connected to the secondary coil, the primary coil and the secondary coil are insulated from each other, the transformer transmits a pulse signal that repeats on/off at predetermined intervals from the first control unit to the second control unit, and, when the pulse signal transmitted from the first control unit to the second control unit via the transformer becomes off, the dimming control signal is transmitted from the second control unit to the first control unit via the transformer and is used to control the dimming of t
    Type: Application
    Filed: July 12, 2018
    Publication date: May 7, 2020
    Inventors: Ji Woong JO, Jong Hyun LEE, Jae Ho CHOI, Min Hak KIM, Min Su SEO, Seung Wan BAEK
  • Publication number: 20200117033
    Abstract: An exemplary embodiment of the present inventive concept provides a liquid crystal display including: a first substrate including a display area and a non-display area; a second substrate overlapping the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate; and a testing pad disposed adjacent to the display area of the first substrate and connected to the display area, wherein a first voltage applying pad and a second voltage applying pad disposed in a region of the first substrate that does not overlap with the second substrate, and each of the first voltage applying pad and the second voltage applying pad may be connected to the testing pad.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 16, 2020
    Inventors: Hyun Wook LEE, Jae Ho CHOI, Chan Young LIM, Sol Ip JEONG
  • Patent number: 10596992
    Abstract: A variable control apparatus for an airbag of a vehicle includes: a plurality of tethers each of which having one side coupled to a front sheath among a plurality of sheaths of an airbag cushion, each of the plurality of tethers formed to have a length shorter than a distance between the front sheath and a rear sheath when the airbag cushion is fully deployed; a release mechanism provided at a rear sheath side of the airbag cushion, connected to the respective other sides of the plurality of tethers, and selectively releasing a tether among the plurality of tethers upon an operation of the release mechanism; and a controller configured to variably control a deployment shape of the airbag cushion by operating the release mechanism based on a collision direction of the vehicle, a seat state of a seat of the vehicle, or a sitting posture of a passenger in the vehicle.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: March 24, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Jae Ho Choi
  • Patent number: 10573258
    Abstract: A display device includes a display panel including a plurality of pixels and divided into a plurality of regions, a data driver generating a plurality of reference gamma voltages based on a gamma control signal and including a data driving integrated circuit applying a data signal generated using the plurality of reference gamma voltages to a corresponding pixel among the plurality of pixels, a memory storing a plurality of gamma voltage data corresponding to a plurality of gamma curves of each of the plurality of regions, and a signal controller determining characteristics of a plurality of images divided and displayed in the plurality of regions using an input image signal, selecting the gamma curves corresponding to the plurality of regions according to the characteristics, and reading gamma voltage data corresponding to the selected gamma curve from the memory to generate the gamma control signal.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myeong Su Kim, Jae Ho Choi, Sil Yi Bang, Kuk-Hwan Ahn, Kwan-Young Oh, Sang Su Han
  • Patent number: 10565963
    Abstract: A display device includes a display panel including a plurality of pixels, a scan driving unit configured to provide a scan signal to the pixels, a data driving unit configured to provide a data signal to the pixels, and a controller configured to provide driving frequency information to a processor, which transfers image data with a driving frequency determined based on the driving frequency information to the display device, to receive the image data with the driving frequency from the processor, and to control the scan driving unit and the data driving unit to drive the display panel with the driving frequency.
    Type: Grant
    Filed: December 28, 2014
    Date of Patent: February 18, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myeong-Su Kim, Su-Hyeong Park, Ho-Yong Jung, Jae-Ho Choi
  • Publication number: 20200020260
    Abstract: An exemplary embodiment provides a display device including: a display part configured to include a display part color filter; and a peripheral part disposed at the upper side of the display part and including an inspection pattern for checking an alignment of the display part color filter. The inspection pattern may include a plurality of color filters having colors and reference patterns disposed at at least one side of the plurality of color filters. A number of the plurality of color filters of each color corresponds to a number of shots of a division exposure process. Adjacent color filters among the plurality of color filters may be disposed at different heights.
    Type: Application
    Filed: December 21, 2018
    Publication date: January 16, 2020
    Inventors: Hyun Wook LEE, Jae Ho CHOI, Seung Rae KIM, Jae Min SEONG, Min cheol CHAE
  • Patent number: 10534206
    Abstract: A liquid crystal display, including: a liquid crystal panel; and a visual inspection unit positioned in an outer region of the liquid crystal panel and transferring a test signal to the liquid crystal panel, in which the visual inspection unit includes: a test pad to which a test signal is applied; a first test line connected to the test pad; and a second test line connected to the test pad through a bridge line.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: January 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Jae Jeon, Yun Hee Kwak, Hyoung-joon Kim, Jae Ho Choi, Kyung Hyun Kim, Jong Woong Chang
  • Patent number: 10501046
    Abstract: An airbag apparatus for a vehicle may include an airbag cushion configured to be provided with a vent hole for discharging inflation gas therein to the outside; a flap configured to have an external circumferential surface partially coupled to the airbag cushion along a rim of the vent hole; and a tether configured to have one end portion penetrating through the vent hole of the airbag cushion to be coupled to an internal side surface of the flap and be partially supported on an internal side surface of the airbag cushion to pull the flap when the airbag cushion is fully deployed, to close the vent hole and release a tensile force when the airbag cushion is loaded to deploy the flap outwardly of the airbag cushion by the inflation gas, to open the vent hole.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: December 10, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corp.
    Inventors: Kyung Taek Lim, Jun Yeol Choi, Jae Ho Choi