Patents by Inventor Chang Hyuck LEE

Chang Hyuck 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: 11965986
    Abstract: An optical device includes a light receiving element for detecting light reflected and transmitted from a subject; a voltage part for providing a first bias voltage or a second bias voltage to the light receiving element; and a controller for controlling the voltage part so that the second bias voltage provided from the voltage part is synchronized with a light output of a light emitting part to be provided to the light receiving element.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: April 23, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chang Hyuck Lee, Lee Im Kang, Ji Sung Kim, Yang Hyun Joo
  • Patent number: 11899135
    Abstract: An optical device provided by the present invention can comprise: a light transmitting unit for generating a first beam for photographing a certain area; a light receiving unit for sensing a second beam returning from the certain area; a light separating unit for distinguishing and transmitting the first beam from the second beam; and a detection unit including a micro electro-mechanical system mirror (MEMS mirror) for transmitting the first beam by changing an optical axis up to a first steering angle, and for receiving the second beam.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: February 13, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chang Hyuck Lee, Young Seop Moon
  • Patent number: 11885884
    Abstract: An embodiment of the present invention discloses a camera module including a light output unit configured to output an optical signal to an object; an optical unit configured to pass the optical signal reflected from the object; a sensor configured to receive the optical signal passed by the optical unit; and a control unit configured to acquire depth information of the object using the optical signal received by the sensor, wherein the sensor includes an effective area in which a light receiving element is disposed and an ineffective area other than the effective area and includes a first row region, in which the effective area and the ineffective area are alternately disposed in a row direction, and a second row region, in which the effective area and the ineffective area are alternately disposed in the row direction and the effective area is disposed at a position not overlapping the effective area of the first row region in a column direction, light that reaches the effective area of the first row region
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: January 30, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dae Geun Kim, Chang Hyuck Lee, Hyeong Jin Kim
  • Patent number: 11882370
    Abstract: A camera module according to the present embodiment includes a light emitting part configured to output a light signal to an object, a filter configured to allow the light signal to pass therethrough, at least one lens disposed on the filter and configured to collect the light signal from the object, a sensor configured to generate an electric signal from the light signal collected by the lens, the sensor including a plurality of pixels arranged in an array form, and a tilting part configured to tilt the filter to repeatedly move an optical path of the light signal having passed through the filter according to a predetermined rule. The optical path of the light signal passing through the filter is moved in one direction among diagonal directions of the sensor with respect to an optical path corresponding to the filter being disposed parallel to the sensor.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: January 23, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chang Hyuck Lee, Young Kil Song
  • Patent number: 11875525
    Abstract: According to one embodiment, disclosed is a method by which a camera module capable of acquiring depth information controls the output time point and the reception time point of light. By controlling both the output time point and the reception time point of light, the camera module can acquire the light of phases in which adjacent reception pixels differ from one another despite controlling light sources or reception pixels in line units.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: January 16, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yang Hyun Joo, Chang Hyuck Lee, Hyeong Jin Kim
  • Patent number: 11867817
    Abstract: A camera device according to one embodiment of the present disclosure, comprises: a light output unit which outputs an output-light signal irradiated on an object; a lens unit which comprises an infrared (IR) filter and at least one lens arranged on the IR filter, and condenses an input-light signal reflected from the object; an image sensor which generates an electrical signal from the input-light signal condensed by the lens unit; a tilting unit which shifts the optical path of the input-light signal according to a predetermined rule; and an image control unit which acquires depth information of the object by using a phase difference between the output-light signal and the input-light signal received at the image sensor, wherein the image control unit acquires the depth information of the object by using data extracted during a plurality of periods during which the optical path of the input-light signal is repeatedly shifted according to the predetermined rule, and the image control unit corrects the differ
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: January 9, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Eun Song Kim, Chang Hyuck Lee
  • Patent number: 11863735
    Abstract: According to an embodiment of the present invention, disclosed is a camera module comprising: an optical output unit for outputting an optical signal to an object; an optical unit for transmitting the optical signal reflected from the object; a sensor for receiving the optical signal transmitted through the optical unit; and a control unit for acquiring the depth map of the object by using the optical signal received by the sensor, wherein the sensor includes an effective area in which a light receiving element is arranged and a non-effective area excluding the effective area, and includes a first row area in which the effective area and the non-effective area are alternately arranged in a row direction, and a second row area in which the effective area and the non-effective area are alternately arranged in the row direction, and in which the effective area is arranged in a column direction at a position not overlapping with the effective area of the first row area, light reaching the effective area of the fi
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: January 2, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yang Hyun Joo, Chang Hyuck Lee
  • Patent number: 11828982
    Abstract: An optical array waveguide grating-type multiplexer and demultiplexer according to an embodiment of the present invention comprise: a first substrate, a plurality of first waveguides disposed on the first substrate to be superposed in the vertical direction, which is the thickness direction of the first substrate; a 1-1st cladding layer disposed between the first substrate and a 1-1st waveguide, which is nearest to the first substrate among the plurality of first waveguides; a 1-2nd cladding layer disposed between the plurality of first waveguides; and a 1-3rd cladding layer disposed on a 1-2nd waveguide, which is furthest from the first substrate among the plurality of first waveguides.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: November 28, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Lee Im Kang, Chang Hyuck Lee
  • Patent number: 11800081
    Abstract: A camera module including a lighting unit configured to output an incident light signal to be emitted to an object, a lens unit configured to concentrate a reflected light signal reflected from the object, an image sensor unit configured to generate electric signals from the reflected light signal concentrated by the lens unit, a tilting unit configured to shift an optical path of at least one of the incident light signal and the reflected light signal for each image frame in units of subpixels of the image sensor unit, and an image control unit configured to extract depth information of the object using a phase difference between the incident light signal and the reflected light signal. The image control unit includes an image controller configured to extract the depth information having a higher resolution than a plurality of subframes generated using the electric signals on the basis of the subframes.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: October 24, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chang Hyuck Lee, Eun Song Kim, Ji Hyouk Chung
  • Patent number: 11782232
    Abstract: A camera module according to an embodiment includes an image sensor configured to output a plurality of image frames; a lens assembly disposed on the image sensor, the lens assembly forming an optical path of light incident on the image sensor from outside; a controller configured to generate a control signal to adjust at least one of the optical path of the lens assembly or the position of the image sensor relative to the lens assembly; and an image synthesizer configured to synthesize the plurality of image frames to generate a composite image, wherein the composite image has a higher resolution than the plurality of image frames, and wherein the plurality of image frames are respective image frames generated along respectively different optical paths changed by the lens assembly or respective image frames generated by change in the position of the image sensor relative to the lens assembly.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: October 10, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Eun Sung Seo, Se Kyu Lee, Chang Hyuck Lee
  • Patent number: 11770626
    Abstract: A camera module includes an image acquisition unit configured to acquire a plurality of image frames having a spatial phase difference therebetween, an image generation unit configured to generate image data having a resolution higher than a resolution of each of the plurality of image frames using the plurality of image frames, and a depth information extraction unit configured to extract depth information about an object using the image data.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: September 26, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chang Hyuck Lee, Dae Geun Kim, Seok Hyen Kim
  • Publication number: 20230161225
    Abstract: A camera actuator according to an embodiment includes a housing; a prism unit disposed in the housing; and a first driving unit for tilting the prism unit; wherein the prism unit includes: the prism; and a prism mover disposed to surround the prism, and a second driving unit disposed between the prism and the prism mover and tilting the prism, and wherein a driving displacement of the second driving unit is smaller than a driving displacement of the first driving unit.
    Type: Application
    Filed: April 8, 2021
    Publication date: May 25, 2023
    Inventors: Chang Hyuck LEE, Kyung Won KIM
  • Patent number: 11627301
    Abstract: An image sensor according to an embodiment of the present invention includes: a pixel array in which a plurality of pixels are arrayed in a grid shape, and which converts reflection light signals reflected from an object into electrical signals; an image processor which converts the electrical signals to generate subframes, and extracts pieces of second depth information having a higher resolution than pieces of first depth information extracted from a plurality of the subframes; and a memory for storing the pieces of first depth information, wherein the reflection light signals are input to the pixel array through mutually different optical paths shifted in sub-pixel units of the pixel array, and the memory stores a plurality of the pieces of first depth information that correspond to the mutually different optical paths.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: April 11, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seong Ha Jang, Woong Lee, Chang Hyuck Lee
  • Patent number: 11579401
    Abstract: The present embodiment relates to a light output module comprising: a first lens part including at least one lens; a second lens part including at least one lens and disposed at a lower side of the first lens part; an actuator for moving the second lens part; a third lens part disposed at a lower side of the second lens part; and a light source disposed at a lower side of the third lens part, wherein the actuator comprises: a first housing receiving the second lens part and including at least one first magnet disposed therein; a second housing receiving the first housing and including at least one second magnet disposed therein; and a third housing including a first coil facing the first magnet and a second coil facing the second magnet, wherein the first housing is operated in a first direction, and the first housing and the second housing are operated in a second direction.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: February 14, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Young Bae Jang, Ji Sung Kim, Chang Hyuck Lee, Sung Ki Jung, Yang Hyun Joo
  • Patent number: 11568553
    Abstract: A camera module according to one embodiment of the present invention comprises: an illumination unit for outputting a signal of incident light irradiated to an object; a lens unit for collecting a signal of reflection light reflected from the object, an image sensor unit for generating an electric signal from a reflection light signal collected by the lens unit, a tilting unit for shifting an optical path of the reflection light signal, and an image control unit for extracting a depth map of the object by using a phase difference between the incident light signal with respect to a frame having shifted by the tilting unit and the reflection light signal received by the image sensor unit, wherein the lens unit is disposed on the image sensor unit and includes an infrared (IR) filter disposed on the image sensor unit and at least one lens disposed on the infrared filter, and the tilting unit controls tilt of the infrared filter.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: January 31, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Eun Song Kim, Woong Lee, Chang Hyuck Lee
  • Publication number: 20220408018
    Abstract: A camera module includes an image acquisition unit configured to acquire a plurality of image frames having a spatial phase difference therebetween, an image generation unit configured to generate image data having a resolution higher than a resolution of each of the plurality of image frames using the plurality of image frames, and a depth information extraction unit configured to extract depth information about an object using the image data.
    Type: Application
    Filed: August 22, 2022
    Publication date: December 22, 2022
    Inventors: Chang Hyuck Lee, Dae Geun Kim, Seok Hyen Kim
  • Publication number: 20220345626
    Abstract: A camera module includes an image acquisition unit configured to acquire a plurality of image frames having a spatial phase difference therebetween, an image generation unit configured to generate image data having a resolution higher than a resolution of each of the plurality of image frames using the plurality of image frames, and a depth information extraction unit configured to extract depth information about an object using the image data.
    Type: Application
    Filed: July 7, 2022
    Publication date: October 27, 2022
    Inventors: Chang Hyuck Lee, Dae Geun Kim, Seok Hyen Kim
  • Patent number: 11425303
    Abstract: A camera module includes an image acquisition unit configured to acquire a plurality of image frames having a spatial phase difference therebetween, an image generation unit configured to generate image data having a resolution higher than a resolution of each of the plurality of image frames using the plurality of image frames, and a depth information extraction unit configured to extract depth information about an object using the image data.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: August 23, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chang Hyuck Lee, Dae Geun Kim, Seok Hyen Kim
  • Publication number: 20220244390
    Abstract: An embodiment of the present invention discloses a camera module including a light output unit configured to output an optical signal to an object; an optical unit configured to pass the optical signal reflected from the object; a sensor configured to receive the optical signal passed by the optical unit; and a control unit configured to acquire depth information of the object using the optical signal received by the sensor, wherein the sensor includes an effective area in which a light receiving element is disposed and an ineffective area other than the effective area and includes a first row region, in which the effective area and the ineffective area are alternately disposed in a row direction, and a second row region, in which the effective area and the ineffective area are alternately disposed in the row direction and the effective area is disposed at a position not overlapping the effective area of the first row region in a column direction, light that reaches the effective area of the first row region
    Type: Application
    Filed: March 11, 2020
    Publication date: August 4, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Dae Geun KIM, Chang Hyuck LEE, Hyeong Jin KIM
  • Patent number: 11390229
    Abstract: An embodiment relates to an optical module which comprises: a light transmitting unit for emitting a plurality of beams to a scanning area so as to scan the scanning area; and a light receiving unit for measuring information on an object located inside the scanning area, using backward light which is reflected and returned from the object after the emitted beams hit the object, wherein the scanning area includes at least one scanning area, and the light transmitting unit scans the at least one scanning area at at least one scanning rate.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: July 19, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jae Wook Jung, Young Seop Moon, Chang Hyuck Lee