Patents by Inventor Kang Yeol Park

Kang Yeol Park 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: 20240056669
    Abstract: A camera module according to an embodiment of the present invention includes a light emitting unit which emits light with a spot light pattern or flood light pattern to an object, and a light receiving unit which receives light reflected by the object, wherein the light emitting unit includes a light source including a plurality of emitters disposed at a predetermined pitch, a lens assembly disposed to be spaced apart from an upper end of the light source, and a driving module which changes a distance between the light source and the lens assembly by moving the lens assembly by a predetermined movement distance from a reference distance in an optical axis direction.
    Type: Application
    Filed: February 15, 2021
    Publication date: February 15, 2024
    Inventor: Kang Yeol PARK
  • Patent number: 11882263
    Abstract: A time of flight (ToF) camera according to embodiments of the present invention includes a light source unit including an infrared light-emitting device array and configured to generate a light signal; a lens unit disposed on the light source unit and including a plurality of lenses; and an adjustment unit configured to adjust the lens unit such that a light pattern of the light signal, which has passed through the lens unit, becomes a surface lighting or a spot lighting including a plurality of spot patterns, wherein the lens unit has a distortion aberration in the form of barrel distortion in which irradiance of the light pattern decreases in a direction away from a central portion.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: January 23, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Kang Yeol Park
  • Publication number: 20230132771
    Abstract: A surface-emitting laser device disclosed in an embodiment of the invention includes a first region in which a plurality of first emitters is arranged; and a second region in which a plurality of second emitters is arranged, an area of the second region is smaller than an area of the first region, and the second region is disposed in a center region of the first region, and the first emitter and the second emitter may be driven separately.
    Type: Application
    Filed: March 17, 2021
    Publication date: May 4, 2023
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Heon HAN, Kang Yeol PARK, Jae Hoon LEE, Yong Gyeong LEE
  • Publication number: 20230036930
    Abstract: The present embodiment relates to a light-emitting module comprising: a substrate; a light source which is arranged on the substrate and emits laser light; a holder arranged on the substrate; a diffuser lens arranged in the holder and over the light source; and a diffuser ring for supporting the diffuser lens, wherein the diffuser lens comprises a plurality of microlenses, and the holder comprises an opening formed above the diffuser lens and a stopping protrusion for inhibiting the diffuser lens from being separated through the opening.
    Type: Application
    Filed: October 7, 2022
    Publication date: February 2, 2023
    Inventors: Kang Yeol PARK, Hee Se LEE, Sung Phil KIM
  • Patent number: 11518874
    Abstract: A thermoplastic resin composition of the present invention is characterized by comprising: a thermoplastic resin containing a rubber-modified vinyl-based graft copolymer and an aromatic vinyl-based copolymer resin; zinc oxide; zinc phosphate; a surface-coated zinc oxide, of which a portion or the entirety of a surface is coated with zinc phosphate. The thermoplastic resin composition has excellent acid resistance and antibacterial properties.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: December 6, 2022
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Cheon Seok Yang, Seung Yong Bae, Yoen Kyoung Kim, Ju Sung Kim, Kang Yeol Park
  • Patent number: 11496658
    Abstract: The present embodiment relates to a light-emitting module comprising: a substrate; a light source which is arranged on the substrate and emits laser light; a holder arranged on the substrate; a diffuser lens arranged in the holder and over the light source; and a diffuser ring for supporting the diffuser lens, wherein the diffuser lens comprises a plurality of microlenses, and the holder comprises an opening formed above the diffuser lens and a stopping protrusion for inhibiting the diffuser lens from being separated through the opening.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: November 8, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kang Yeol Park, Hee Se Lee, Sung Phil Kim
  • Publication number: 20220329774
    Abstract: A time of flight (ToF) camera according to embodiments of the present invention includes a light source unit including an infrared light-emitting device array and configured to generate a light signal; a lens unit disposed on the light source unit and including a plurality of lenses; and an adjustment unit configured to adjust the lens unit such that a light pattern of the light signal, which has passed through the lens unit, becomes a surface lighting or a spot lighting including a plurality of spot patterns, wherein the lens unit has a distortion aberration in the form of barrel distortion in which irradiance of the light pattern decreases in a direction away from a central portion.
    Type: Application
    Filed: August 28, 2020
    Publication date: October 13, 2022
    Inventor: Kang Yeol PARK
  • Publication number: 20220321789
    Abstract: According to an embodiment of the present invention, disclosed is a camera module comprising: a light output unit for outputting an optical signal to an object; a sensor for receiving an optical signal reflected from the object; and a control unit for acquiring distance information about the object by using the phase difference of the received optical signal, wherein the sensor includes a non-extraction area from which the phase different is not extracted and an extraction area from which the phase difference is extracted and the control unit stops timing control for the received optical signal in the non-extraction area.
    Type: Application
    Filed: May 26, 2020
    Publication date: October 6, 2022
    Inventors: Seok Hyun KIM, Eun Song KIM, Kang Yeol PARK
  • Patent number: 11435574
    Abstract: A camera module according to one embodiment comprises: a barrel provided with at least one lens; a retainer having an inner space and accommodating the barrel in the inner space; a holder coupled to the lower portion of the retainer; a housing disposed on the lower side of the holder and accommodating a printed circuit board; and a cover part mounted on the retainer and disposed in front of the lens. The cover part comprises: a cover glass; a first reflection suppression layer disposed on the upper side of the cover glass; a heating layer disposed on the lower side of the glass cover; and a second reflection suppression layer disposed on the lower side of the heating layer.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: September 6, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hyun Ho Choi, Kang Yeol Park, Sang Jun Park
  • Publication number: 20220236052
    Abstract: A camera module, according to an embodiment of the present invention, comprises: a light emitting unit for outputting an optical signal to an object; a light receiving unit for receiving the optical signal reflected from the object; and a control unit for controlling the light emitting unit such that the optical signal selectively has one optical pattern from among a surface light source pattern and a point light source pattern. The light emitting unit comprises: a light emitting element array on which a plurality of light emitting elements are arranged in accordance with a predetermined arrangement pattern; and a lens module for transmitting the optical signal output by the light emitting element array, wherein the lens module includes an optical element which duplicates the optical signal output by the light emitting element array.
    Type: Application
    Filed: May 28, 2020
    Publication date: July 28, 2022
    Inventor: Kang Yeol PARK
  • Patent number: 11393112
    Abstract: A camera module according to an embodiment of the present invention includes a structured light projector configured to generate structured light of a specific pattern and changes an optical path of the structured light into units of subpixels of an image sensor for each image frame to project the structured light onto a subject, and a structured light camera configured to photograph the subject onto which the structured light is projected to generate a plurality of low-resolution image frames and generate a high-resolution depth map from the plurality of low-resolution image frames.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: July 19, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chang Hyuck Lee, Kang Yeol Park, Seong Ha Jang
  • Publication number: 20220224850
    Abstract: A camera module according to an exemplary embodiment of the present invention comprises: a light emitting unit which outputs an optical signal to an object; a light receiving unit which collects the optical signal output from the light emitting unit and reflected from the object; a sensor unit which, through a plurality of pixels, receives the optical signal received by the light receiving unit; and an image processing unit which, by means of the optical signal, processes information received through a first pixel having a valid value and a second pixel having an invalid value indicating pixel saturation, wherein at least one of a plurality of pixels adjacent to the second pixel includes the first pixel, and the image processing unit generates a valid value of the second pixel on the basis of the valid value of the first pixel among the plurality of pixels adjacent to the second pixel.
    Type: Application
    Filed: May 8, 2020
    Publication date: July 14, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Eun Song KIM, Seok Hyun KIM, Kang Yeol PARK
  • Patent number: 11365304
    Abstract: A foaming resin composition of the present invention contains an aromatic vinyl-based resin and zinc oxide, wherein the size ratio (B/A), in which peak A is a 370 nm to 390 nm region and peak B is a 450 nm to 600 nm region, of zinc oxide is approximately 0.01 to approximately 1 when photoluminescence is measured, and the BET surface area thereof is approximately 1 m2/g to approximately 10 m2/g.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: June 21, 2022
    Assignee: Lotte Chemical Corporation
    Inventors: Ju Sung Kim, You Hyun Kim, Yoen Kyoung Kim, Kang Yeol Park, Seung Yong Bae, Bong Jae Jeong
  • Patent number: 11249372
    Abstract: A camera module comprises: a housing having a lens holder disposed outside thereof and a substrate unit disposed therein; a lens module disposed in the lens holder and including a first lens exposed to the outside; a heating element disposed on the lower surface of the lens; an image sensor mounted on the substrate unit so as to correspond to the lens module; and a connection unit for applying power to the lens module, wherein the connection unit comprises: a first connecting member electrically connected to the heating element so as to supply power; and a second connecting member extending from the first connecting member to an inside of the housing and electrically connecting the first connecting member and the substrate unit.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: February 15, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hyun Ho Choi, Kang Yeol Park
  • Publication number: 20210263136
    Abstract: An embodiment provides a method and a device for outputting a light, which can output a light in a safe manner. Specifically, disclosed are a method and a device for outputting a light, which control an output light to prevent the output light from being concentrated on a specific area.
    Type: Application
    Filed: July 9, 2019
    Publication date: August 26, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Yang Hyun JOO, Kang Yeol PARK, Chang Hyuck LEE
  • Publication number: 20210223543
    Abstract: A camera module according to one embodiment comprises: a barrel provided with at least one lens; a retainer having an inner space and accommodating the barrel in the inner space; a holder coupled to the lower portion of the retainer; a housing disposed on the lower side of the holder and accommodating a printed circuit board; and a cover part mounted on the retainer and disposed in front of the lens. The cover part comprises: a cover glass; a first reflection suppression layer disposed on the upper side of the cover glass; a heating layer disposed on the lower side of the glass cover; and a second reflection suppression layer disposed on the lower side of the heating layer.
    Type: Application
    Filed: April 5, 2021
    Publication date: July 22, 2021
    Inventors: Hyun Ho Choi, Kang Yeol Park, Sang Jun Park
  • Publication number: 20210160408
    Abstract: The present embodiment relates to a light-emitting module comprising: a substrate; a light source which is arranged on the substrate and emits laser light; a holder arranged on the substrate; a diffuser lens arranged in the holder and over the light source; and a diffuser ring for supporting the diffuser lens, wherein the diffuser lens comprises a plurality of microlenses, and the holder comprises an opening formed above the diffuser lens and a stopping protrusion for preventing inhibiting the diffuser lens from being separated through the opening.
    Type: Application
    Filed: September 11, 2019
    Publication date: May 27, 2021
    Inventors: Kang Yeol PARK, Hee Se LEE, Sung Phil KIM
  • Publication number: 20210147671
    Abstract: A thermoplastic resin composition of the present invention is characterized by comprising: a thermoplastic resin containing a rubber-modified vinyl-based graft copolymer and an aromatic vinyl-based copolymer resin; zinc oxide; zinc phosphate; a surface-coated zinc oxide, of which a portion or the entirety of a surface is coated with zinc phosphate. The thermoplastic resin composition has excellent acid resistance and antibacterial properties.
    Type: Application
    Filed: June 14, 2018
    Publication date: May 20, 2021
    Inventors: Cheon Seok YANG, Seung Yong BAE, Yoen Kyoung KIM, Ju Sung KIM, Kang Yeol PARK
  • Patent number: 10996462
    Abstract: A camera module according to one embodiment comprises: a barrel provided with at least one lens; a retainer having an inner space and accommodating the barrel in the inner space; a holder coupled to the lower portion of the retainer; a housing disposed on the lower side of the holder and accommodating a printed circuit board; and a cover part mounted on the retainer and disposed in front of the lens. The cover part comprises: a cover glass; a first reflection suppression layer disposed on the upper side of the cover glass; a heating layer disposed on the lower side of the glass cover; and a second reflection suppression layer disposed on the lower side of the heating layer.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: May 4, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hyun Ho Choi, Kang Yeol Park, Sang Jun Park
  • Publication number: 20210065390
    Abstract: A camera module according to an embodiment of the present invention includes a structured light projector configured to generate structured light of a specific pattern and changes an optical path of the structured light into units of subpixels of an image sensor for each image frame to project the structured light onto a subject, and a structured light camera configured to photograph the subject onto which the structured light is projected to generate a plurality of low-resolution image frames and generate a high-resolution depth map from the plurality of low-resolution image frames.
    Type: Application
    Filed: April 26, 2019
    Publication date: March 4, 2021
    Inventors: Chang Hyuck LEE, Kang Yeol PARK, Seong Ha JANG