Patents by Inventor Seong Ha Jang

Seong Ha Jang 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: 11957432
    Abstract: Disclosed are a sensing method and a sensing apparatus for acquiring information about an object according to one embodiment. In particular, disclosed are a sensing method and a sensing apparatus for obtaining the shape of blood vessels by using information regarding the intensity of received light and information regarding the distance of an object.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: April 16, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Ju Un Park, Seong Ha Jang, Yang Hyun Joo
  • Patent number: 11910125
    Abstract: A camera device is provided. The camera device includes a light emitting portion configured to change a light path of light according to a first control signal and output the light along a first light path or a second light path, a light receiving portion configured to receive the light reflected by an object and generate an electrical signal, and a control portion configured to generate the first control signal which controls the light path of the light to be changed to the first light path or the second light path. Here, the light emitting portion outputs the light with a first pattern along the first light path or outputs the light with a second pattern along the second light path.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: February 20, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yang Hyun Joo, Chul Kim, Ju Un Park, Seong Ha Jang
  • 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: 11528416
    Abstract: A camera device according to an embodiment of the present invention includes a light output unit that outputs an output light signal to be irradiated to an object, a lens unit that condenses an input light signal reflected from the object, an image sensor that generates an electric signal from the input light signal condensed by the lens unit and an image processing unit that extracts a depth map of the object using at least one of a time difference and a phase difference between the output light signal and the input light signal received by the image sensor, the lens unit including IR (InfraRed) filter, a plurality of solid lenses disposed on the IR filter and a liquid lens disposed on the plurality of solid lenses, or disposed between the plurality of solid lenses, the camera device further including a first driving unit that controls shifting of the IR filter or the image sensor and a second driving unit that controls a curvature of the liquid lens, an optical path of the input light signal being repeatedl
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: December 13, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seong Ha Jang, Ju Un Park, Yang Hyun Joo
  • 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
  • Patent number: 11368665
    Abstract: A camera module according to one embodiment of the present invention comprises: a lighting unit for outputting an output light signal emitted at an object; a lens unit including an infrared (IR) filter and at least one sheet of a lens arranged on the IR filter, and condensing an input light signal reflected from the object; a tilting unit for shifting the optical path of the input light signal by controlling the tilt of the IR filter; an image sensor unit for generating an electric signal from the input light signal condensed by the lens unit and shifted by the tilting unit; an image control unit for extracting depth information of the object by using a phase difference between the output light signal and the input light signal received by the image sensor unit; and a detection unit for detecting tilt information of the IR filter and providing the tilt information of the IR filter to the image control unit.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: June 21, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Eun Song Kim, Seong Ha Jang, Chang Hyuck Lee
  • Publication number: 20220030153
    Abstract: A camera device is provided. The camera device includes a light emitting portion configured to change a light path of light according to a first control signal and output the light along a first light path or a second light path, a light receiving portion configured to receive the light reflected by an object and generate an electrical signal, and a control portion configured to generate the first control signal which controls the light path of the light to be changed to the first light path or the second light path. Here, the light emitting portion outputs the light with a first pattern along the first light path or outputs the light with a second pattern along the second light path.
    Type: Application
    Filed: December 12, 2019
    Publication date: January 27, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Yang Hyun JOO, Chul KIM, Ju Un PARK, Seong Ha JANG
  • Publication number: 20220003873
    Abstract: A camera device according to an embodiment of the present invention includes: an light output unit which outputs output light signals to be emitted to an object and includes a plurality of light sources arrayed according to predetermined rules; a lens unit which includes an infrared (IR) filter and at least one lens disposed on the IR filter, and focuses input light signals reflected from the object; an image sensor which generates electrical signals from the input light signals focused by the lens unit; an image processing unit which acquires depth information about the object by using phase differences or time differences between the output light signals and the input light signals received in the image sensor; and a control unit which controls the light output unit, the lens unit, the image sensor, and the image processing unit, wherein the plurality of light sources are divided into at least two light source groups, the control unit controls the output light signals to be output sequentially for each ligh
    Type: Application
    Filed: September 26, 2019
    Publication date: January 6, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Ju Un PARK, Chang Hyuck LEE, Seong Ha JANG
  • Publication number: 20210383561
    Abstract: A camera module according to an embodiment of the present invention comprises: a light output portion for successively outputting a first output light signal and a second output light signal, which are emitted to an object, during a single period; a lens portion for concentrating a first input light signal and a second input light signal, which are reflected from the object, the lens portion comprising an infrared (IR) filter and at least one lens disposed on the IR filter; an image sensor for generating a first electric signal and a second electric signal from the first input light signal and the second input light signal, which have been concentrated by the lens portion; a tilting portion for shifting optical paths of the first input light signal and the second input light signal according to a predetermined rule; and an image control portion for acquiring depth information of the object by using the first electric signal and a phase difference between the first output light signal and the first input light
    Type: Application
    Filed: September 20, 2019
    Publication date: December 9, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Woong LEE, Seong Ha JANG, Chang Hyuck LEE
  • Publication number: 20210385380
    Abstract: A camera device according to an embodiment of the present invention includes a light output unit that outputs an output light signal to be irradiated to an object, a lens unit that condenses an input light signal reflected from the object, an image sensor that generates an electric signal from the input light signal condensed by the lens unit and an image processing unit that extracts a depth map of the object using at least one of a time difference and a phase difference between the output light signal and the input light signal received by the image sensor, the lens unit including IR (InfraRed) filter, a plurality of solid lenses disposed on the IR filter and a liquid lens disposed on the plurality of solid lenses, or disposed between the plurality of solid lenses, the camera device further including a first driving unit that controls shifting of the IR filter or the image sensor and a second driving unit that controls a curvature of the liquid lens, an optical path of the input light signal being repeatedl
    Type: Application
    Filed: September 27, 2019
    Publication date: December 9, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Seong Ha JANG, Ju Un PARK, Yang Hyun JOO
  • Publication number: 20210266519
    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: Application
    Filed: June 20, 2019
    Publication date: August 26, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Seong Ha JANG, Woong LEE, Chang Hyuck LEE
  • Publication number: 20210251495
    Abstract: Disclosed are a sensing method and a sensing apparatus for acquiring information about an object according to one embodiment. In particular, disclosed are a sensing method and a sensing apparatus for obtaining the shape of blood vessels by using information regarding the intensity of received light and information regarding the distance of an object.
    Type: Application
    Filed: June 13, 2019
    Publication date: August 19, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Ju Un PARK, Seong Ha JANG, Yang Hyun JOO
  • Publication number: 20210235059
    Abstract: A camera module according to one embodiment of the present invention comprises: a lighting unit for outputting an output light signal emitted at an object; a lens unit including an infrared (IR) filter and at least one sheet of a lens arranged on the IR filter, and condensing an input light signal reflected from the object; a tilting unit for shifting the optical path of the input light signal by controlling the tilt of the IR filter; an image sensor unit for generating an electric signal from the input light signal condensed by the lens unit and shifted by the tilting unit; an image control unit for extracting depth information of the object by using a phase difference between the output light signal and the input light signal received by the image sensor unit; and a detection unit for detecting tilt information of the IR filter and providing the tilt information of the IR filter to the image control unit.
    Type: Application
    Filed: June 5, 2019
    Publication date: July 29, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Eun Song KIM, Seong Ha JANG, Chang Hyuck LEE
  • 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
  • Patent number: 10429651
    Abstract: The embodiments provide a head up display device comprising: at least one light source for emitting light; a first optical member for changing the path of light emitted from the light source; an optical sheet for transferring light emitted from the first optical member to a second optical member described below; and the second optical member for changing the path of light transferred from the optical sheet, and including a first surface in the direction of the optical sheet and a second surface in the direction of an image panel described below, wherein the first surface and the second surface are both curved surfaces.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: October 1, 2019
    Assignee: LG Innotek Co., Ltd.
    Inventor: Seong Ha Jang
  • Publication number: 20180045961
    Abstract: The embodiments provide a head up display device comprising: at least one light source for emitting light; a first optical member for changing the path of light emitted from the light source; an optical sheet for transferring light emitted from the first optical member to a second optical member described below; and the second optical member for changing the path of light transferred from the optical sheet, and including a first surface in the direction of the optical sheet and a second surface in the direction of an image panel described below, wherein the first surface and the second surface are both curved surfaces.
    Type: Application
    Filed: February 26, 2016
    Publication date: February 15, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Seong Ha Jang