Patents by Inventor Nak-Jung Choi

Nak-Jung 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: 11890985
    Abstract: A vehicle lamp includes a light source unit including a plurality of light sources; an optical unit including a plurality of incidence lenses, a plurality of emission lenses corresponding to the plurality of incidence lenses, and a plurality of shields each configured to block a part of light from being incident on each of the plurality of emission lenses; and a light transmission unit that transmits light generated from the light source unit to the optical unit. In particular, the optical unit is divided into a plurality of transmission regions that transmit the light generated from each of the plurality of light sources to allow a pattern region corresponding to each of the plurality of light sources to be formed.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: February 6, 2024
    Assignee: SL Corporation
    Inventors: Jeong Su Lee, Jong Woon Kim, Nak Jung Choi
  • Patent number: 11892136
    Abstract: A vehicle lamp forms a predetermined beam pattern using a plurality of lamp modules arranged in at least one direction. Each of the plurality of lamp modules includes a light source unit that generates light; an optical unit that is disposed in front of the light source unit and transmits the light from the light source unit so that at least a portion of the light incident to an incident surface of the optical unit is output through an exit surface thereof to form the predetermined beam pattern; and an optical path adjustment unit that guides the light generated from the light source unit to the optical unit by adjusting paths of the light. The exit surface of the optical unit of one of the plurality of lamp modules is disposed more forward than the exit surface of the optical unit of another one of the plurality of lamp modules.
    Type: Grant
    Filed: April 7, 2023
    Date of Patent: February 6, 2024
    Assignee: SL Corporation
    Inventors: Jun Woo Woo, Jin Ho Jo, Dong Hyun Go, Nak Jung Choi
  • Publication number: 20230417384
    Abstract: A vehicle lamp forms a predetermined beam pattern using a plurality of lamp modules arranged in at least one direction. Each of the plurality of lamp modules includes a light source unit that generates light; an optical unit that is disposed in front of the light source unit and transmits the light from the light source unit so that at least a portion of the light incident to an incident surface of the optical unit is output through an exit surface thereof to form the predetermined beam pattern; and an optical path adjustment unit that guides the light generated from the light source unit to the optical unit by adjusting paths of the light. The exit surface of the optical unit of one of the plurality of lamp modules is disposed more forward than the exit surface of the optical unit of another one of the plurality of lamp modules.
    Type: Application
    Filed: April 7, 2023
    Publication date: December 28, 2023
    Inventors: Jun Woo WOO, Jin Ho JO, Dong Hyun GO, Nak Jung CHOI
  • Publication number: 20230166654
    Abstract: A vehicle lamp includes a light source unit including a plurality of light sources; an optical unit including a plurality of incidence lenses, a plurality of emission lenses corresponding to the plurality of incidence lenses, and a plurality of shields each configured to block a part of light from being incident on each of the plurality of emission lenses; and a light transmission unit that transmits light generated from the light source unit to the optical unit. In particular, the optical unit is divided into a plurality of transmission regions that transmit the light generated from each of the plurality of light sources to allow a pattern region corresponding to each of the plurality of light sources to be formed.
    Type: Application
    Filed: July 25, 2022
    Publication date: June 1, 2023
    Inventors: Jeong Su LEE, Jong Woon KIM, Nak Jung CHOI
  • Publication number: 20230135745
    Abstract: According to an example embodiment, a device is configured to a deep reinforcement learning, DRL, agent to simulate the behaviour of a network component. The DRL agent takes the network state and user traffic as inputs. It generates the next network state and user performances. A training algorithm of the simulator is configured for the DRL agents and it is derived to deal with the property of time-correlation in network components. The simulator uses a training algorithm so that it enables robust inference under a limited number of transitions collected with the real network components and users. It is derived with state augmentation by using an autoencoder architecture. It is also configured by a reward estimation algorithm by using local regression, for example with a Gaussian Process.
    Type: Application
    Filed: October 12, 2022
    Publication date: May 4, 2023
    Inventors: Qiang LIU, Nak Jung Choi
  • Patent number: 11608955
    Abstract: A lamp for a vehicle includes a light emitting unit for generating light, and an optical unit for forming a predetermined light irradiation pattern by outputting the light incident from the light emitting unit through a plurality of optical modules each including an incident lens and an output lens. The light emitting unit includes a light source unit, and a plurality of reflectors arranged in a left-right direction to allow the light generated from the light source unit to be reflected to the optical unit, and the optical unit includes a plurality of areas for outputting the light incident from the plurality of reflectors.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: March 21, 2023
    Assignee: SL Corporation
    Inventors: Nak Jung Choi, Jong Woon Kim, Jeong Su Lee
  • Publication number: 20220364701
    Abstract: A vehicle lamp includes a light source unit for generating light, and a lens unit including a plurality of incident lenses, to which the light generated from the light source unit is incident, a plurality of emitting lenses for emitting the light incident from the plurality of incident lenses, and a plurality of shields for obstructing at least a portion of the light incident to each of the plurality of emitting lenses. Each of the plurality of shields includes a transmission region for transmitting light and a blocking region for obstructing light, and at least one light shielding member for obstructing a portion of the light through the transmission region is formed in the transmission region of at least one of the plurality of shields.
    Type: Application
    Filed: March 9, 2022
    Publication date: November 17, 2022
    Inventors: Jeong Su LEE, Jong Woon KIM, Nak Jung CHOI
  • Patent number: 11499691
    Abstract: A vehicle lamp includes a light source unit for generating light, and a lens unit including a plurality of incident lenses, to which the light generated from the light source unit is incident, a plurality of emitting lenses for emitting the light incident from the plurality of incident lenses, and a plurality of shields for obstructing at least a portion of the light incident to each of the plurality of emitting lenses. Each of the plurality of shields includes a transmission region for transmitting light and a blocking region for obstructing light, and at least one light shielding member for obstructing a portion of the light through the transmission region is formed in the transmission region of at least one of the plurality of shields.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: November 15, 2022
    Assignee: SL Corporation
    Inventors: Jeong Su Lee, Jong Woon Kim, Nak Jung Choi
  • Publication number: 20220303191
    Abstract: Various example embodiments for supporting communication network management may be configured to support communication network management based on various policies which may include one or more static rule-based policies (e.g., a rule-based resource management policy) and one or more machine learning (ML) based policies (e.g., an ML-based resource management policy). Various example embodiments for supporting communication network management may be configured to support communication network management based on evaluation and selection of policies to be applied for supporting communication network management. Various example embodiments for supporting communication network management may be configured to support communication network management based on regulation of network management actions generated based on selected policies before application of the network management actions to the communication network.
    Type: Application
    Filed: March 11, 2022
    Publication date: September 22, 2022
    Inventors: Qiang Liu, Nak Jung Choi
  • Publication number: 20220196220
    Abstract: A lamp for a vehicle includes a light emitting unit for generating light, and an optical unit for forming a predetermined light irradiation pattern by outputting the light incident from the light emitting unit through a plurality of optical modules each including an incident lens and an output lens. The light emitting unit includes a light source unit, and a plurality of reflectors arranged in a left-right direction to allow the light generated from the light source unit to be reflected to the optical unit, and the optical unit includes a plurality of areas for outputting the light incident from the plurality of reflectors.
    Type: Application
    Filed: December 1, 2021
    Publication date: June 23, 2022
    Inventors: Nak Jung CHOI, Jong Woon KIM, Jeong Su LEE
  • Patent number: 11359787
    Abstract: A vehicle lamp includes a light emission system; and an optical system disposed in front of the light emission system. The optical system is configured to allow light incident thereto from the light emission system to exit through a plurality of optical modules to form a predefined light irradiation pattern, and each of the plurality of optical modules includes an incident lens and an exit lens. Further, the light emission system includes a plurality of light sources; and a plurality of reflectors configured to allow a plurality of light beams respectively emitted from the plurality of light sources to be respectively directed to a plurality of regions of the optical system.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: June 14, 2022
    Assignee: SL Corporation
    Inventors: Jeong Su Lee, Jong Woon Kim, Nak Jung Choi
  • Publication number: 20220065418
    Abstract: A vehicle lamp includes a light emission system; and an optical system disposed in front of the light emission system. The optical system is configured to allow light incident thereto from the light emission system to exit through a plurality of optical modules to form a predefined light irradiation pattern, and each of the plurality of optical modules includes an incident lens and an exit lens. Further, the light emission system includes a plurality of light sources; and a plurality of reflectors configured to allow a plurality of light beams respectively emitted from the plurality of light sources to be respectively directed to a plurality of regions of the optical system.
    Type: Application
    Filed: July 28, 2021
    Publication date: March 3, 2022
    Inventors: Jeong Su Lee, Jong Woon Kim, Nak Jung Choi
  • Patent number: 11054103
    Abstract: A lamp for a vehicle includes a light source unit; a first optical member in which a plurality of incident lenses are arranged on an incident surface thereof; a second optical member in which a plurality of exit lenses are arranged on an exit surface thereof; and a shield unit including a plurality of shields disposed between the plurality of incident lenses and the plurality of exit lenses. The incident surface of the first optical member and the exit surface of the second optical member are inclined, and an incident surface of a first incident lens among the plurality of incident lenses and an exit surface of a first exit lens corresponding to the first incident lens among the plurality of exit lenses are formed asymmetrically with respect to a reference line drawn to pass through a focal point between the first incident lens and the first exit lens.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: July 6, 2021
    Assignee: SL Corporation
    Inventors: Nak Jung Choi, Jong Woon Kim
  • Patent number: 10894506
    Abstract: Provided is to a vehicle lamp capable of ensuring a high sense of unity when a plurality of lamp units are arranged based on a shape of an outer optical member. The vehicle lamp includes a light source unit for generating light, a first optical member in which a plurality of incident optics are disposed on an incident surface, a second optical member in which a plurality of emitting optics are disposed, and a shield unit disposed between the plurality of incident optics and the plurality of emitting optics. In particular, a first side of the incident surface and the emitting surface is formed to be closer to the light source unit than a second side of the incident surface and the emitting surface to allow the incident surface and the emitting surface to be inclined.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: January 19, 2021
    Assignee: SL Corporation
    Inventors: Nak Jung Choi, Jong Woon Kim
  • Publication number: 20200386382
    Abstract: A lamp for a vehicle includes a light source unit; a first optical member in which a plurality of incident lenses are arranged on an incident surface thereof; a second optical member in which a plurality of exit lenses are arranged on an exit surface thereof; and a shield unit including a plurality of shields disposed between the plurality of incident lenses and the plurality of exit lenses. The incident surface of the first optical member and the exit surface of the second optical member are inclined, and an incident surface of a first incident lens among the plurality of incident lenses and an exit surface of a first exit lens corresponding to the first incident lens among the plurality of exit lenses are formed asymmetrically with respect to a reference line drawn to pass through a focal point between the first incident lens and the first exit lens.
    Type: Application
    Filed: May 28, 2020
    Publication date: December 10, 2020
    Inventors: Nak Jung Choi, Jong Woon Kim
  • Publication number: 20200207256
    Abstract: Provided is to a vehicle lamp capable of ensuring a high sense of unity when a plurality of lamp units are arranged based on a shape of an outer optical member. The vehicle lamp includes a light source unit for generating light, a first optical member in which a plurality of incident optics are disposed on an incident surface, a second optical member in which a plurality of emitting optics are disposed, and a shield unit disposed between the plurality of incident optics and the plurality of emitting optics. In particular, a first side of the incident surface and the emitting surface is formed to be closer to the light source unit than a second side of the incident surface and the emitting surface to allow the incident surface and the emitting surface to be inclined.
    Type: Application
    Filed: August 2, 2019
    Publication date: July 2, 2020
    Inventors: Nak Jung Choi, Jong Woon Kim
  • Publication number: 20200207257
    Abstract: Provided is to a vehicle lamp capable of ensuring a high sense of unity when a plurality of lamp units are arranged based on a shape of an outer optical member. The vehicle lamp includes a light source unit for generating light, a first optical member in which a plurality of incident optics are disposed on an incident surface, a second optical member in which a plurality of emitting optics are disposed, and a shield unit disposed between the plurality of incident optics and the plurality of emitting optics. In particular, a first side of the incident surface and the emitting surface is formed to be closer to the light source unit than a second side of the incident surface and the emitting surface to allow the incident surface and the emitting surface to be inclined.
    Type: Application
    Filed: August 2, 2019
    Publication date: July 2, 2020
    Inventors: Nak Jung Choi, Jong Woon Kim
  • Patent number: 10378714
    Abstract: Provided is a lamp for a vehicle, and more particularly, which prevents a blind zone in a beam pattern and allows a boundary line of the beam pattern to have adequate sharpness. The lamp includes a light source portion which includes a plurality of micro light sources disposed to be spaced at predetermined gaps and a lens portion which includes a plurality of micro lenses disposed in front of at least one of the plurality of micro light sources. An incident surface of a micro lens has a dimension which includes a length of a micro light source corresponding to the micro lens and at least a part of a gap between the micro light source and an adjacent micro light source.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: August 13, 2019
    Assignee: SL Corporation
    Inventors: Hyeong Do Kim, Jong Woon Kim, Nak Jung Choi, Ki Hae Shin
  • Patent number: 10351049
    Abstract: The present disclosure relates to a lamp for a vehicle, and more particularly, to a lamp for a vehicle which is capable of preventing occurrence of a blind zone caused by a defect. The lamp includes a light source portion with a plurality of light emitting areas in which brightness of generated light is separately controllable and a brightness controller which is configured to cause the plurality of light emitting areas to generate light at a first brightness level to form a beam pattern and to cause at least one of the light emitting areas, which is disposed proximate to a defective area which includes at least one faulty area, to generate light at a second brightness level.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: July 16, 2019
    Assignee: SL Corporation
    Inventors: Hyeong Do Kim, Jong Woon Kim, Nak Jung Choi, Ki Hae Shin
  • Publication number: 20190032880
    Abstract: Provided is a lamp for a vehicle, and more particularly, which prevents a blind zone in a beam pattern and allows a boundary line of the beam pattern to have adequate sharpness. The lamp includes a light source portion which includes a plurality of micro light sources disposed to be spaced at predetermined gaps and a lens portion which includes a plurality of micro lenses disposed in front of at least one of the plurality of micro light sources. An incident surface of a micro lens has a dimension which includes a length of a micro light source corresponding to the micro lens and at least a part of a gap between the micro light source and an adjacent micro light source.
    Type: Application
    Filed: July 6, 2018
    Publication date: January 31, 2019
    Inventors: Hyeong Do Kim, Jong Woon Kim, Nak Jung Choi, Ki Hae Shin