Patents by Inventor In-Jae Yeo

In-Jae Yeo 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: 20220130942
    Abstract: A method of compensating for degradation of a display device includes sensing a first sensing current flowing through a sensing line connected to a pixel, which includes a programming period for writing a data voltage of a predetermined color to a storage capacitor of the pixel, sensing a sensing voltage of the sensing line, which includes a period for charging a line capacitor connected to the sensing line, estimating a voltage of an anode electrode of an organic light emitting diode using a second sensing current estimated from the first sensing current and the sensing voltage, and determining a degradation compensation value using the voltage of the anode electrode.
    Type: Application
    Filed: January 11, 2022
    Publication date: April 28, 2022
    Inventors: Kyung Man KIM, Seok Gyu BAN, Sang Jae YEO
  • Patent number: 11308837
    Abstract: A display device includes a data line, a pixel electrically connected to the data line, a data driver for outputting a data voltage, and a transmitter electrically connected between an output terminal of the data driver and the data line. The transmitter may transmit an instance of the data voltage to the data line in a first period. The transmitter may amplify a second instance of the data voltage to generate a reference voltage and then transmit the reference voltage to the data line in a second period different from the first period. The pixel includes a light emitting element for emitting light in response to the first instance of the data voltage. A voltage level of the reference voltage may be higher than a voltage level of the data voltage.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: April 19, 2022
    Inventors: Seok Gyu Ban, Kyung Man Kim, Sang Jae Yeo
  • Publication number: 20220113553
    Abstract: A lens driving device is proposed, including a cover can whose upper side surface includes an opening formed to expose a lens and whose side surface extends from the upper side surface to a base, a base that is secured to the cover can; a housing that is arranged on top of the base and moves in first and second directions that are perpendicular to an optical axis, a bobbin that is housed in the housing and moves in an optical axis direction, an actuator that includes a magnet unit arranged in the housing, a first coil unit arranged in an outer side surface of the bobbin, and a second coil unit that is arranged on top of the base, and a substrate that is disposed between the second coil unit and the base so as to control the first coil unit and the second coil unit.
    Type: Application
    Filed: November 4, 2021
    Publication date: April 14, 2022
    Inventor: In Jae Yeo
  • Patent number: 11264445
    Abstract: A method of compensating for degradation of a display device includes sensing a first sensing current flowing through a sensing line connected to a pixel, which includes a programming period for writing a data voltage of a predetermined color to a storage capacitor of the pixel, sensing a sensing voltage of the sensing line, which includes a period for charging a line capacitor connected to the sensing line, estimating a voltage of an anode electrode of an organic light emitting diode using a second sensing current estimated from the first sensing current and the sensing voltage, and determining a degradation compensation value using the voltage of the anode electrode.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung Man Kim, Seok Gyu Ban, Sang Jae Yeo
  • Publication number: 20210396951
    Abstract: A lens moving apparatus, including a bobbin; a first coil mounted at an outer circumference of the bobbin; a first magnet moving the bobbin in a first direction parallel to an optical axis by interaction with the first coil; a housing supporting the first magnet; an upper elastic member disposed at a top surface of the bobbin and at a top surface of the housing; a lower elastic member disposed at a bottom surface of the bobbin and at a bottom surface of the housing; and first and second winding protrusions disposed with being opposite to each other, the first coil being wound on the first and second winding protrusions.
    Type: Application
    Filed: August 31, 2021
    Publication date: December 23, 2021
    Applicant: LG Innotek Co., Ltd.
    Inventors: Jae Hong CHO, Seung Taek SHIN, In Jae YEO, Jin Suk HAN
  • Patent number: 11199723
    Abstract: A lens driving device is proposed, including a cover can whose upper side surface includes an opening formed to expose a lens and whose side surface extends from the upper side surface to a base, a base that is secured to the cover can; a housing that is arranged on top of the base and moves in first and second directions that are perpendicular to an optical axis, a bobbin that is housed in the housing and moves in an optical axis direction, an actuator that includes a magnet unit arranged in the housing, a first coil unit arranged in an outer side surface of the bobbin, and a second coil unit that is arranged on top of the base, and a substrate that is disposed between the second coil unit and the base so as to control the first coil unit and the second coil unit.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: December 14, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventor: In Jae Yeo
  • Patent number: 11131831
    Abstract: A lens moving apparatus, including a bobbin; a first coil mounted at an outer circumference of the bobbin; a first magnet moving the bobbin in a first direction parallel to an optical axis by interaction with the first coil; a housing supporting the first magnet; an upper elastic member disposed at a top surface of the bobbin and at a top surface of the housing; a lower elastic member disposed at a bottom surface of the bobbin and at a bottom surface of the housing; and first and second winding protrusions disposed with being opposite to each other, the first coil being wound on the first and second winding protrusions.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: September 28, 2021
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jae Hong Cho, Seung Taek Shin, In Jae Yeo, Jin Suk Han
  • Publication number: 20210287608
    Abstract: A display device includes a display unit, a scan driver, and a data driver. The display unit includes pixels coupled to scan lines, sensing scan lines, data lines, and sensing lines. The scan driver supplies a scan signal to the scan lines, and supplies a sensing scan signal to the sensing scan lines. The data driver supplies an image data voltage to the data lines, and detects sensing values of the pixels on a pixel column basis through the sensing lines during a sensing period. The data driver includes an analog-to-digital converter which converts the detected sensing values into digital data during the sensing period and outputs sensing data. The analog-to-digital converter pauses the detection of the sensing values during a first period of the sensing period.
    Type: Application
    Filed: November 9, 2020
    Publication date: September 16, 2021
    Inventors: Jung Ki MIN, Wook LEE, Sang Jae YEO
  • Publication number: 20210223509
    Abstract: Disclosed is a camera module. The camera module includes: a lens barrel disposed in a housing to receive a lens assembly; an elastic member in at least one of the housing and the lens barrel; a driving unit moving the lens barrel relative to the housing; and a sensor unit fixed to the housing.
    Type: Application
    Filed: April 6, 2021
    Publication date: July 22, 2021
    Inventor: In Jae YEO
  • Publication number: 20210215904
    Abstract: A lens actuating unit is provided. The lens actuating unit includes: a bobbin configured to accommodate a lens module at an inner side of the bobbin; a first coil unit disposed at the bobbin; a housing disposed at an outer side of the bobbin; and a magnet unit configured to move the first coil unit through electromagnetic interaction with the first coil unit, wherein the housing includes a hole formed by being recessed from an inner side to an outer side to accommodate the magnet unit.
    Type: Application
    Filed: March 31, 2021
    Publication date: July 15, 2021
    Inventors: Jae Hong CHO, Sang Hee LEE, In Jae YEO, Jin Suk HAN
  • Patent number: 11029491
    Abstract: Disclosed is a camera module. The camera module includes: a lens barrel disposed in a housing to receive a lens assembly; an elastic member in at least one of the housing and the lens barrel; a driving unit moving the lens barrel relative to the housing; and a sensor unit fixed to the housing.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: June 8, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventor: In Jae Yeo
  • Patent number: 10996425
    Abstract: A lens actuating unit is provided. The lens actuating unit includes: a bobbin configured to accommodate a lens module at an inner side of the bobbin; a first coil unit disposed at the bobbin; a housing disposed at an outer side of the bobbin; and a magnet unit configured to move the first coil unit through electromagnetic interaction with the first coil unit, wherein the housing includes a hole formed by being recessed from an inner side to an outer side to accommodate the magnet unit.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: May 4, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jae Hong Cho, Sang Hee Lee, In Jae Yeo, Jin Suk Han
  • Patent number: 10996431
    Abstract: Disclosed is a camera module. The camera module includes: a lens barrel disposed in a housing to receive a lens assembly; an elastic member in at least one of the housing and the lens barrel; a driving unit moving the lens barrel relative to the housing; and a sensor unit fixed to the housing.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: May 4, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventor: In Jae Yeo
  • Publication number: 20210090482
    Abstract: A display device includes a data line, a pixel electrically connected to the data line, a data driver for outputting a data voltage, and a transmitter electrically connected between an output terminal of the data driver and the data line. The transmitter may transmit an instance of the data voltage to the data line in a first period. The transmitter may amplify a second instance of the data voltage to generate a reference voltage and then transmit the reference voltage to the data line in a second period different from the first period. The pixel includes a light emitting element for emitting light in response to the first instance of the data voltage. A voltage level of the reference voltage may be higher than a voltage level of the data voltage.
    Type: Application
    Filed: April 14, 2020
    Publication date: March 25, 2021
    Inventors: Seok Gyu BAN, Kyung Man KIM, Sang Jae YEO
  • Publication number: 20210028265
    Abstract: A method of compensating for degradation of a display device includes sensing a first sensing current flowing through a sensing line connected to a pixel, which includes a programming period for writing a data voltage of a predetermined color to a storage capacitor of the pixel, sensing a sensing voltage of the sensing line, which includes a period for charging a line capacitor connected to the sensing line, estimating a voltage of an anode electrode of an organic light emitting diode using a second sensing current estimated from the first sensing current and the sensing voltage, and determining a degradation compensation value using the voltage of the anode electrode.
    Type: Application
    Filed: March 17, 2020
    Publication date: January 28, 2021
    Inventors: Kyung Man KIM, Seok Gyu BAN, Sang Jae YEO
  • Publication number: 20200319476
    Abstract: A lens moving device is provided. The lens moving device includes: a bobbin; a first driving unit coupled to the bobbin; a second driving unit configured to move the first driving unit through an electromagnetic interaction with the first driving unit; a sensing magnet disposed on one side of the bobbin; a location detection sensor configured to sense a location of the sensing magnet; and a correction magnet disposed on an opposite side of the bobbin. According to the present disclosure, static tilt and dynamic tilt of the bobbin, to which a lens module is to be coupled, may be enhanced by a sensing magnet and a correction magnet which establish magnetic force equilibrium with each other.
    Type: Application
    Filed: June 18, 2020
    Publication date: October 8, 2020
    Inventors: Jin Suk HAN, In Jae YEO, Jae Hong CHO
  • Patent number: 10783827
    Abstract: A display device includes pixels connected to data lines and scan lines, a first compensator which is connected to sensing lines and senses deviation information of the sensing lines while supplying different voltages to adjacent sensing lines, and a sensing unit which is connected to the first compensator and senses characteristic information of each of the pixels.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong Hwan Shin, Sung Hoon Bang, Sang Jae Yeo, Oh Jo Kwon
  • Patent number: 10768439
    Abstract: A lens moving device is provided. The lens moving device includes: a bobbin; a first driving unit coupled to the bobbin; a second driving unit configured to move the first driving unit through an electromagnetic interaction with the first driving unit; a sensing magnet disposed on one side of the bobbin; a location detection sensor configured to sense a location of the sensing magnet; and a correction magnet disposed on an opposite side of the bobbin. According to the present disclosure, static tilt and dynamic tilt of the bobbin, to which a lens module is to be coupled, may be enhanced by a sensing magnet and a correction magnet which establish magnetic force equilibrium with each other.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: September 8, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jin Suk Han, In Jae Yeo, Jae Hong Cho
  • Publication number: 20200218032
    Abstract: A lens moving apparatus, including a bobbin; a first coil mounted at an outer circumference of the bobbin; a first magnet moving the bobbin in a first direction parallel to an optical axis by interaction with the first coil; a housing supporting the first magnet; an upper elastic member disposed at a top surface of the bobbin and at a top surface of the housing; a lower elastic member disposed at a bottom surface of the bobbin and at a bottom surface of the housing; and first and second winding protrusions disposed with being opposite to each other, the first coil being wound on the first and second winding protrusions.
    Type: Application
    Filed: March 20, 2020
    Publication date: July 9, 2020
    Applicant: LG Innotek Co., Ltd.
    Inventors: Jae Hong CHO, Seung Taek SHIN, In Jae YEO, Jin Suk HAN
  • Publication number: 20200174276
    Abstract: A lens driving device is proposed, including a cover can whose upper side surface includes an opening formed to expose a lens and whose side surface extends from the upper side surface to a base, a base that is secured to the cover can; a housing that is arranged on top of the base and moves in first and second directions that are perpendicular to an optical axis, a bobbin that is housed in the housing and moves in an optical axis direction, an actuator that includes a magnet unit arranged in the housing, a first coil unit arranged in an outer side surface of the bobbin, and a second coil unit that is arranged on top of the base, and a substrate that is disposed between the second coil unit and the base so as to control the first coil unit and the second coil unit.
    Type: Application
    Filed: February 12, 2020
    Publication date: June 4, 2020
    Inventor: In Jae YEO