Patents by Inventor Eun Song Kim

Eun Song Kim 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: 11974446
    Abstract: Disclosed are a white organic light emitting element, which may uniformize the color coordinates of white regardless of a change in current density by changing the configuration of different kinds of light emitting layers contacting each other, and a display device using the same.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: April 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Wook Song, Eun-Jung Park, Chun-Ki Kim, Se-Ung Kim
  • Patent number: 11965684
    Abstract: An inverter module according to an embodiment of the present invention comprises: a high voltage circuit unit which generates an inverter control voltage and a motor driving voltage by using a first DC voltage; a high voltage circuit pattern which electrically connects the high voltage circuit unit; a low voltage circuit unit which communicates with an external device by using a second DC voltage having a smaller magnitude than the first DC voltage; and a low voltage circuit pattern which electrically connects the low voltage circuit unit. The high voltage circuit pattern and the low voltage circuit pattern are spaced apart from each other.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: April 23, 2024
    Assignee: Hanon Systems
    Inventors: Tae Hyeong Kim, Eun Seok Kang, Sung Jun Park, Chan Song, Seung Hwan Shin, Ho Bin Im, Min Gyo Jung
  • Publication number: 20240113318
    Abstract: A polymer electrolyte membrane having improved chemical or mechanical durability is provided. The present disclosure relates to a polymer electrolyte membrane, and the polymer electrolyte membrane according to the present disclosure comprises a porous support and a composite layer containing a first ionomer filled in the porous support, wherein the polymer electrolyte membrane comprises a first segment having a first durability and a second segment having a second durability, and the first durability is higher than the second durability.
    Type: Application
    Filed: September 17, 2021
    Publication date: April 4, 2024
    Inventors: Eun Su LEE, Dong Hoon LEE, Na Young KIM, Jung Hwa PARK, Hye Song LEE
  • Patent number: 11950439
    Abstract: Disclosed herein are a white organic light-emitting device. The white organic light-emitting device enables an overall improvement in characteristics such as color temperature, efficiency, luminance, and service life, by changing the configuration of different types of emission layers in contact with each other, and a display device using the same.
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: April 2, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Eun-Jung Park, Jung-Keun Kim, Wook Song, Tae-Shick Kim
  • Patent number: 11943946
    Abstract: Disclosed are a white organic light emitting element, which may uniformize the color coordinates of white regardless of a change in current density by changing the configuration of different kinds of light emitting layers contacting each other, and a display device using the same.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: March 26, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Wook Song, Eun-Jung Park, Chun-Ki Kim, Se-Ung Kim
  • Patent number: 11889203
    Abstract: A camera module includes an image sensor configured to output a plurality of image frames, a lens assembly disposed on the image sensor, the lens assembly including at least one lens unit disposed on an optical path and a variable filter unit configured to adjust the optical path of light incident on the image sensor from outside, a controller configured to generate a control signal to control the variable filter unit, 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 image frames, and wherein the plurality of image frames includes image frames generated along respectively different optical paths changed by the variable filter unit.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: January 30, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seok Hyen Kim, Hyo Seon Yoon, Eun Song 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: 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: 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: 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
  • 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: 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: 20220120909
    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: Application
    Filed: September 26, 2019
    Publication date: April 21, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Eun Song KIM, Chang Hyuck LEE
  • Publication number: 20210373163
    Abstract: According to one embodiment, disclosed is a method for obtaining a depth image for an object, by using light obtained during a first period and a second period in a camera module capable of obtaining depth information. The camera module can obtain the depth image for the object by using the light obtained in a first reception pixel and a second reception pixel during the first period and the second period.
    Type: Application
    Filed: October 7, 2019
    Publication date: December 2, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Eun Song KIM, Hyeong Jin KIM, Ju Un PARK
  • Publication number: 20210250535
    Abstract: A camera module according to an embodiment of the present invention includes 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: Application
    Filed: June 7, 2019
    Publication date: August 12, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Chang Hyuck LEE, Eun Song KIM, Ji Hyouk CHUNG
  • 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: 20210166408
    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: Application
    Filed: April 12, 2019
    Publication date: June 3, 2021
    Inventors: Eun Song KIM, Woong LEE, Chang Hyuck LEE
  • Publication number: 20210014416
    Abstract: A camera module includes an image sensor configured to output a plurality of image frames, a lens assembly disposed on the image sensor, the lens assembly including at least one lens unit disposed on an optical path and a variable filter unit configured to adjust the optical path of light incident on the image sensor from outside, a controller configured to generate a control signal to control the variable filter unit, 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 image frames, and wherein the plurality of image frames includes image frames generated along respectively different optical paths changed by the variable filter unit.
    Type: Application
    Filed: February 21, 2019
    Publication date: January 14, 2021
    Inventors: Seok Hyen Kim, Hyo Seon Yoon, Eun Song Kim