Patents by Inventor Sang Hun Lee

Sang Hun Lee 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: 11022782
    Abstract: An embodiment provides an imaging lens comprising: a body in which a first opening and a second opening are disposed; a first lens group which is disposed on the body and corresponds to the first opening; and a second lens group which is disposed on the body and corresponds to the second opening, wherein the focal distance of the first lens group is greater than 1.8 times and less than 2.1 times the focal distance of the second lens group.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: June 1, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Hun Lee, Young Woon Kim
  • Publication number: 20210149086
    Abstract: A camera module according to an embodiment of the present invention comprises: a substrate; a light source disposed on the substrate to output light; a first optical member for, when the light is input, diffusing and outputting the light; and a second optical member including a first liquid and a second liquid having a different refractive index from the first liquid, and when the diffused light is input, refracting and outputting the diffused light according to an interface which is formed between the first liquid and the second liquid and is changed according to applied voltage.
    Type: Application
    Filed: June 21, 2019
    Publication date: May 20, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Chul KIM, Jae Wook KWON, Sang Hun LEE
  • Publication number: 20210125011
    Abstract: An automotive sensor integration module including a plurality of sensors which differ in at least one of a sensing period or an output data format, an interface unit configured to receive pieces of detection data outputted from the plurality of sensors and convert the received detection data into a predetermined data format, and a signal processing unit configured to simultaneously output pieces of converted detection data from the interface unit on the basis of the sensing period of one among the plurality of sensors.
    Type: Application
    Filed: December 24, 2019
    Publication date: April 29, 2021
    Inventors: Sang Hun Lee, Seung Bum Lee
  • Publication number: 20210125009
    Abstract: An automotive sensor integration module including a plurality of sensors which differ in at least one of a sensing period or an output data format, and a signal processing unit configured to synchronize, when a malfunctioning sensor is detected from among the plurality of sensors, pieces of detection data output from remaining sensors other than the detected sensor to substantially simultaneously output the synchronized data as sensing data.
    Type: Application
    Filed: December 24, 2019
    Publication date: April 29, 2021
    Inventors: Sang Hun LEE, Seung Bum LEE
  • Publication number: 20210122386
    Abstract: An automotive sensor integration module including a plurality of sensors configured to detect an object outside a vehicle, and a signal processing unit configured to output, as sensing data, a plurality of pieces of detection data output from the plurality of sensors according to any one among the plurality of pieces of detection data at a substantially same timing based on a priority signal, or output, as the sensing data, the plurality of pieces detection data according to an external pulse at a substantially same timing.
    Type: Application
    Filed: December 24, 2019
    Publication date: April 29, 2021
    Inventors: Sang Hun LEE, Seung Bum LEE
  • Patent number: 10983749
    Abstract: A method of an electronic device according to various embodiments of the present disclosure may comprise the operations of: indicating that a first screen related to a first application operating in a background state is being displayed in an external electronic device, connected to the electronic device, on the basis of data transmitted from the electronic device; and displaying an object floating on a second screen being displayed on the electronic device.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: April 20, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyunkyoung Kim, Woonghee Park, Saetbyeol Lee, Bongkyu Kim, Tae Hyung Kim, Hyung-Jun Ahn, Kwang-Yong Lee, Sang-Hun Lee
  • Patent number: 10974877
    Abstract: The present invention relates to a tube-type cosmetic container for discharging liquid contents in a droplet form, the container having a sealing member, which is coupled to the inside of an overcap and has a sealing protrusion for closing a discharge hole of a contents discharge tube, and pulling a sealing cap downward by the tensioning of an elastic supporting body so as to maintain a state in which the sealing protrusion further comes in close contact with the inner wall of the content discharge tube, when the overcap rotates such that the sealing member is coupled to a discharge part, thereby enabling the leakage of contents to be efficiently prevented regardless of an injection deviation and an assembly deviation between components.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: April 13, 2021
    Assignee: YONWOO CO., LTD
    Inventors: Hak-Chan Kim, Young-Moo Bae, Sang-Hun Lee, Jae-Ock Lee
  • Publication number: 20210104140
    Abstract: An electronic apparatus is provided. The electronic apparatus according to an embodiment includes a plurality of different types of gas sensors configured to output sensing values based on sensing a gas, and a processor configured to determine a gas type corresponding to a plurality of sensing values respectively output from the plurality of different types of gas sensors.
    Type: Application
    Filed: December 11, 2017
    Publication date: April 8, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jang-pyo PARK, Sang-hun LEE, Yong-won JEONG, Jeong-eun LEE
  • Patent number: 10960772
    Abstract: A direct current (DC)-DC converter is for a vehicle for converting a first voltage output of a first battery to a second voltage output of a second battery. The DC-DC converter includes a transformer, at least one switch, at least one rectifying diode, and a snubber circuit. The transformer is configured to transform the first voltage to the second voltage. The at least one switch is configured to control a first current input to the transformer from the first battery. The at least one rectifying diode is configured to rectify an alternate current (AC) output from the transformer. The snubber circuit is configured to prevent overvoltage from being applied to the at least one rectifying diode.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: March 30, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Korea University Research and Business Foundation
    Inventors: JinYoung Yang, Taejong Ha, Youngjin Kim, Yong Sin Kim, Sang-hun Lee
  • Patent number: 10957957
    Abstract: A phase shifter according to at least one embodiment of the present disclosure has a housing provided on both surfaces with respective shifting units. Each shifting unit is composed of a fixed board and a moving board. Movement of the moving board causes a phase-shifted signal to be simultaneously transferred from both surfaces of the housing to output ports. This allows more effective use of the space of the phase shifter and therearound.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: March 23, 2021
    Assignee: KMW INC.
    Inventors: Sung-hwan So, Seong-man Kang, Eun-suk Jung, Dae-myung Park, Sang-hun Lee
  • Publication number: 20210071727
    Abstract: An electric parking brake actuator assembly is proposed. The electric parking brake actuator assembly includes: an outer housing including an inner space in which a gear installation space and a motor installation space are formed; an inner housing installed in the inner space of the outer housing, and including a brush card part and a gear installation part integrated together; a motor assembly coupled to the brush card part to be electrically connected thereto, and installed in the motor installation space; a gear assembly installed at the gear installation part and at the gear installation space, and changing and transmitting the rotational speed of the motor assembly; and a cover housing coupled to the outer housing with the inner housing interposed therebetween, and including a shaft insertion portion.
    Type: Application
    Filed: September 9, 2020
    Publication date: March 11, 2021
    Inventors: Su Gil JANG, Ho Gun LEE, Jang Soo PARK, Sang Hun LEE
  • Publication number: 20210017251
    Abstract: Disclosed herein is an amyloid ? accumulation and/or aggregation inhibitor. A technique for inhibiting amyloid ? accumulation and/or aggregation by concurrently introducing Nurr1 and Foxa2 genes and introducing the co-expression of the genes is also provided. When used, the composition can be applied to the prevention or treatment of a neurodegenerative disease caused by amyloid ? accumulation and/or aggregation, such as Alzheimer's disease.
    Type: Application
    Filed: June 10, 2020
    Publication date: January 21, 2021
    Inventors: Sang Hun LEE, Jae Jin SONG, Yun Seon YANG, Tae Gyun KIM
  • Publication number: 20210013050
    Abstract: A method of manufacturing a power amplifier package embedded with an input-output circuit including a dielectric circuit board, a heat sink and lead frames, the method comprising: the step of preparing the dielectric circuit board including the steps of forming a power amplifier hole in which a power amplifier chip is to be disposed on a dielectric substrate, printing an input matching network metal pattern on a left side of the power amplifier hole, and printing an output matching network metal pattern on a right side of the power amplifier hole, and sintering the input matching network metal pattern and the output matching network metal pattern printed on the dielectric substrate; the step of preparing the lead frames by etching alloy 42 and plating nickel; and the step of attaching the heat sink on a bottom surface of the dielectric circuit board.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 14, 2021
    Inventors: Sang-Hun LEE, Kue-Jin HAN
  • Patent number: 10882632
    Abstract: A system for maintaining a constant temperature of an engine in an unmanned aerial system with an autothrottle limiting device comprises an autopilot for issuing a throttle command, an autothrottle limiting device for automatically limiting an upper limit of the throttle command issued by the autopilot, and a rotary engine for feeding an internal temperature of the engine back to the autothrottle limiting device. The system is applicable to all kinds of unmanned aerial systems employing an air-cooling rotary engine, uses the existing autopilot of the unmanned aerial system without modification, and improves the reliability and life of the engine.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: January 5, 2021
    Assignee: KOREAN AIR LINES CO., LTD.
    Inventors: Seung Kie Choi, Shin Je Cho, Sang Hun Lee
  • Publication number: 20200372340
    Abstract: The present invention relates to a neural network parameter optimization method and a neural network computation method and apparatus suitable for hardware implementation. The neural network parameter optimization method suitable for hardware implementation according to the present invention may include transforming an existing parameter of a neural network into a signed parameter and a magnitude parameter having a single value for each channel and generating an optimized parameter by pruning the transformed magnitude parameter. Accordingly, the present invention provides a neural network parameter optimization method and a neural network computation method and apparatus thereof, which optimize a large amount of computation and parameters of a convolutional neural network to be effective in hardware implementation, thereby achieving minimal accuracy loss and maximum computation speed.
    Type: Application
    Filed: July 18, 2019
    Publication date: November 26, 2020
    Inventors: Sang Hun LEE, Myung Kyum KIM, Joo Hyuk KIM
  • Patent number: 10847510
    Abstract: The present disclosure provides an RF power device including: a single RF power transistor; a pad spaced apart from the single RF power transistor and configured to transmit a temperature and RF characteristic information of the single RF power transistor to an outside; and a temperature and RF characteristic detector connected between the pad and the ground and configured to detect the temperature and the RF characteristics of the single RF power transistor, and is characterized in that the ground is connected to the single RF power transistor, and the single RF power transistor, the pad, and the temperature and RF characteristic detector are manufactured on the same wafer.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: November 24, 2020
    Inventor: Sang-Hun Lee
  • Publication number: 20200363568
    Abstract: The present embodiment relates to a dual camera module comprising: a first camera module including a first liquid lens and capturing a first image; and a second camera module including a second liquid lens and capturing a second image, wherein a viewing angle of the first camera module is smaller than a viewing angle of the second camera module, at least a part of the viewing angle of the first camera module is included in the viewing angle of the second camera module such that there is an overlapping area between the first image and the second image so as to enable a composite image formed by combining the first image and the second image to be generated, and when the first camera module is focused, a focal length of the first liquid lens is varied according to the distance between the first liquid lens and a subject, and when the second camera module is focused, a focal length of the second liquid lens is varied according to the distance between the second liquid lens and the subject.
    Type: Application
    Filed: August 5, 2020
    Publication date: November 19, 2020
    Inventors: Young Seop MOON, Ui Jun KIM, Han Young KIM, Hyung KIM, Sang Hun LEE
  • Publication number: 20200350860
    Abstract: An LC oscillator capable of temperature compensation includes a differential voltage supplier providing a positive differential voltage to a positive node and a negative differential voltage to a negative node and a differential oscillation frequency signal output unit outputting a positive oscillation frequency signal using the positive differential voltage provided to the positive node by the differential voltage supplier and a negative oscillation frequency signal using the negative differential voltage provided to the negative node by the differential voltage supplier.
    Type: Application
    Filed: April 28, 2020
    Publication date: November 5, 2020
    Inventor: Sang-Hun LEE
  • Publication number: 20200344920
    Abstract: A cooling system for a power conversion device may include a cooler upper-part having a plurality of cooling tubes through which cooling water flows and a connecting portion connecting the cooling tubes; one or more power conversion modules mounted between the cooling tubes; a cooling fin plate formed in a plate shape with cooling fins on a side and mounted on a side of the power conversion module such that the cooling fins are mounted in the opposite directions with respect to the power conversion module; and a cooler lower-part mounted between the cooling fin plate and the cooler upper-part, having one or more open holes formed at a portion, and combined with the cooling fin plate by inserting the cooling fins of the cooling fin plate in the open holes.
    Type: Application
    Filed: October 23, 2019
    Publication date: October 29, 2020
    Inventors: Sang Hun Lee, Jae Hoon Yoon
  • Publication number: 20200340937
    Abstract: An electronic device is disclosed. The electronic device comprises: a gas sensor having different sensitivities in temperature for each of a plurality of gases; and a processor for calculating a concentration of at least one of a plurality of gases on the basis of an output value of the gas sensor for different temperature sections.
    Type: Application
    Filed: July 27, 2018
    Publication date: October 29, 2020
    Inventors: Jang-pyo PARK, Yong-won JEONG, Jae-hong KIM, Sang-hun LEE, Jeong-eun LEE, Hye-Jung CHO