Patents by Inventor Ki Chul Chang

Ki Chul Chang 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: 11516326
    Abstract: A sensor module includes: a flexible printed circuit board; a temperature sensor disposed on the flexible printed circuit board to measure the temperature of a measurement object; a distance sensor disposed on the flexible circuit board adjacent to the temperature sensor to measure the distance to the measurement object; a terminal cover disposed above the temperature sensor and the distance sensor and including a first hole exposing a top surface of the temperature sensor and a second hole exposing a top surface of the distance sensor; and a window disposed in the second hole of the terminal cover.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: November 29, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Won Seo, Ki Chul Chang, Jeong Gi Seo
  • Patent number: 11041744
    Abstract: A composite sensor package includes: a substrate; a first sensor and a second sensor, which are arranged on the substrate with a predetermined gap therebetween; a signal processing device disposed on the substrate and processing a signal transmitted through the first and second sensors; and a cover disposed on the substrate, and including a package accommodation space enclosing the first sensor, the second sensor and the signal processing device, wherein the first sensor senses a state of air introduced from an outside and transmits the introduced air to the package accommodation space, and the second sensor senses the state of the air, which passes through the first sensor so as to flow into the package accommodation space.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: June 22, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jeong Gi Seo, Ki Chul Chang, Sun Hwa Lee, Jun Young Lim
  • Publication number: 20200304618
    Abstract: A sensor module includes: a flexible printed circuit board; a temperature sensor disposed on the flexible printed circuit board to measure the temperature of a measurement object; a distance sensor disposed on the flexible circuit board adjacent to the temperature sensor to measure the distance to the measurement object; a terminal cover disposed above the temperature sensor and the distance sensor and including a first hole exposing a top surface of the temperature sensor and a second hole exposing a top surface of the distance sensor; and a window disposed in the second hole of the terminal cover.
    Type: Application
    Filed: March 27, 2017
    Publication date: September 24, 2020
    Inventors: Sang Won SEO, Ki Chul CHANG, Jeong Gi SEO
  • Publication number: 20200300676
    Abstract: A composite sensor package includes: a substrate; a first sensor and a second sensor, which are arranged on the substrate with a predetermined gap therebetween; a signal processing device disposed on the substrate and processing a signal transmitted through the first and second sensors; and a cover disposed on the substrate, and including a package accommodation space enclosing the first sensor, the second sensor and the signal processing device, wherein the first sensor senses a state of air introduced from an outside and transmits the introduced air to the package accommodation space, and the second sensor senses the state of the air, which passes through the first sensor so as to flow into the package accommodation space.
    Type: Application
    Filed: March 30, 2017
    Publication date: September 24, 2020
    Inventors: Jeong Gi SEO, Ki Chul CHANG, Sun Hwa LEE, Jun Young LIM
  • Patent number: 10673141
    Abstract: Disclosed is an antenna assembly including a substrate, and a wireless charge antenna pattern on the substrate. The wireless charge antenna pattern has a sectional surface including a plurality of inner angles in which two inner angles are different from each other. The antenna assembly includes a wireless communication antenna pattern formed on the substrate and provided at an outside of the wireless charge antenna pattern. The wireless communication antenna pattern has a plurality of inner angles at a sectional surface thereof, and a plurality of angle values of the inner angles provided at the sectional surface of the wireless communication antenna pattern correspond to a plurality of angle values of the inner angles provided at the sectional surface of the wireless charge antenna pattern, respectively.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: June 2, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jeong Wook An, Jung Oh Lee, Yang Hyun Kim, Ki Min Lee, Hye Min Lee, Sung Hyun Leem, Ki Chul Chang
  • Publication number: 20200087969
    Abstract: An object detection sensor according to an embodiment comprises: a sensing layer including a resin and a carbon micro-coil inside the resin; and a sensing electrode embedded in the sensing layer, wherein the impedance value of the sensing layer changes on the basis of the reference impedance as an object approaches the pre-set sensing area.
    Type: Application
    Filed: December 15, 2017
    Publication date: March 19, 2020
    Inventors: Sun Hwa LEE, Ki Chul CHANG, Chil Young JI
  • Patent number: 10407028
    Abstract: A rain sensor according to an embodiment comprises: a substrate; a sensing electrode formed on a first surface of the substrate; a reaction layer formed on the first surface of the substrate and burying an upper surface of the substrate and the sensing electrode; a driving unit electrically connected to the sensing electrode formed on the first surface of the substrate and processing a sensing signal transmitted through the sensing electrode; and a protective layer formed surrounding the driving unit, wherein an impedance value according to a change of at least one of a force and a dielectric constant caused by presence of rainfall is changed, and the sensing electrode transmits the sensing signal with respect to a variation amount of the impedance value of the reaction layer to the driving unit.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: September 10, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chil Young Ji, Ki Chul Chang
  • Publication number: 20190165474
    Abstract: Disclosed is an antenna assembly including a substrate, and a wireless charge antenna pattern on the substrate. The wireless charge antenna pattern has a sectional surface including a plurality of inner angles in which two inner angles are different from each other. The antenna assembly includes a wireless communication antenna pattern formed on the substrate and provided at an outside of the wireless charge antenna pattern. The wireless communication antenna pattern has a plurality of inner angles at a sectional surface thereof, and a plurality of angle values of the inner angles provided at the sectional surface of the wireless communication antenna pattern correspond to a plurality of angle values of the inner angles provided at the sectional surface of the wireless charge antenna pattern, respectively.
    Type: Application
    Filed: January 31, 2019
    Publication date: May 30, 2019
    Inventors: JEONG WOOK AN, JUNG OH LEE, YANG HYUN KIM, KI MIN LEE, HYE MIN LEE, SUNG HYUN LEEM, KI CHUL CHANG
  • Patent number: 10256540
    Abstract: Disclosed is an antenna assembly including a substrate, and a wireless charge antenna pattern on the substrate. The wireless charge antenna pattern has a sectional surface including a plurality of inner angles in which two inner angles are different from each other. The antenna assembly includes a wireless communication antenna pattern formed on the substrate and provided at an outside of the wireless charge antenna pattern. The wireless communication antenna pattern has a plurality of inner angles at a sectional surface thereof, and a plurality of angle values of the inner angles provided at the sectional surface of the wireless communication antenna pattern correspond to a plurality of angle values of the inner angles provided at the sectional surface of the wireless charge antenna pattern, respectively.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: April 9, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jeong Wook An, Jung Oh Lee, Yang Hyun Kim, Ki Min Lee, Hye Min Lee, Sung Hyun Leem, Ki Chul Chang
  • Publication number: 20190089209
    Abstract: A supporter includes a housing and a guide member formed at one side of the housing. The guide member has an inclined surface. A fixing member faces the guide member to fix an object and a transmission coil is disposed in the housing to wirelessly transmit power.
    Type: Application
    Filed: October 16, 2018
    Publication date: March 21, 2019
    Inventors: Woo Kil JUNG, Se Hyun LEE, Ki Chul CHANG
  • Patent number: 10135304
    Abstract: A supporter includes a housing and a guide member formed at one side of the housing. The guide member has an inclined surface. A fixing member faces the guide member to fix an object and a transmission coil is disposed in the housing to wirelessly transmit power.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: November 20, 2018
    Assignee: LG Innotek Co., Ltd.
    Inventors: Woo Kil Jung, Se Hyun Lee, Ki Chul Chang
  • Publication number: 20180294669
    Abstract: A method of controlling a wireless power receiver can include detecting a wireless power transmitter that transmits wireless power having a first frequency band through in-band communication; receiving the wireless power having the first frequency band from the wireless power transmitter that transmits the wireless power having the first frequency band; in response to determining that a power receiving state of the first frequency band is abnormal, detecting a wireless power transmitter that transmits wireless power having a second frequency band through out-of-band communication; and receiving the wireless power having the second frequency band from the wireless power transmitter that transmits the wireless power having the second frequency band.
    Type: Application
    Filed: June 8, 2018
    Publication date: October 11, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jung Oh LEE, Ki Chul CHANG, Ki Min LEE
  • Publication number: 20180244244
    Abstract: A rain sensor according to an embodiment comprises: a substrate; a sensing electrode formed on a first surface of the substrate; a reaction layer formed on the first surface of the substrate and burying an upper surface of the substrate and the sensing electrode; a driving unit electrically connected to the sensing electrode formed on the first surface of the substrate and processing a sensing signal transmitted through the sensing electrode; and a protective layer formed surrounding the driving unit, wherein an impedance value according to a change of at least one of a force and a dielectric constant caused by presence of rainfall is changed, and the sensing electrode transmits the sensing signal with respect to a variation amount of the impedance value of the reaction layer to the driving unit.
    Type: Application
    Filed: March 4, 2016
    Publication date: August 30, 2018
    Inventors: Chil Young Ji, Ki Chul Chang
  • Patent number: 10008881
    Abstract: A wireless power receiver to wirelessly receive power from a wireless power transmitter comprises a reception coil to receive the power wirelessly transmitted from the wireless power transmitter through a magnetic field, a frequency detecting unit to detect a frequency band of the power transmitted from the wireless power transmitter and an inductance varying unit to change an inductance of the reception coil according to the detected frequency band.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: June 26, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jung Oh Lee, Ki Chul Chang, Ki Min Lee
  • Patent number: 9674930
    Abstract: A lighting control apparatus includes a wireless communication module to receive tag information transmitted from a light switch, a control module to register the received tag information by matching the received tag information with at least one of a plurality of lighting devices, and to control the lighting devices using the registered tag information, and a storage module to store the tag information and identification information of the lighting device matched with the tag information.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: June 6, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dae Hun Kim, Ki Chul Chang
  • Publication number: 20170133744
    Abstract: Disclosed is an antenna assembly including a substrate, and a wireless charge antenna pattern on the substrate. The wireless charge antenna pattern has a sectional surface including a plurality of inner angles in which two inner angles are different from each other. The antenna assembly includes a wireless communication antenna pattern formed on the substrate and provided at an outside of the wireless charge antenna pattern. The wireless communication antenna pattern has a plurality of inner angles at a sectional surface thereof, and a plurality of angle values of the inner angles provided at the sectional surface of the wireless communication antenna pattern correspond to a plurality of angle values of the inner angles provided at the sectional surface of the wireless charge antenna pattern, respectively.
    Type: Application
    Filed: November 28, 2016
    Publication date: May 11, 2017
    Inventors: Jeong Wook An, Jung Oh Lee, Yang Hyun Kim, Ki Min Lee, Hye Min Lee, Sung Hyun Leem, Ki Chul Chang
  • Patent number: 9553476
    Abstract: Disclosed is an antenna assembly including a substrate, and a wireless charge antenna pattern on the substrate. The wireless charge antenna pattern has a sectional surface including a plurality of inner angles in which two inner angles are different from each other. The antenna assembly includes a wireless communication antenna pattern formed on the substrate and provided at an outside of the wireless charge antenna pattern. The wireless communication antenna pattern has a plurality of inner angles at a sectional surface thereof, and a plurality of angle values of the inner angles provided at the sectional surface of the wireless communication antenna pattern correspond to a plurality of angle values of the inner angles provided at the sectional surface of the wireless charge antenna pattern, respectively.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: January 24, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jeong Wook An, Jung Oh Lee, Yang Hyun Kim, Ki Min Lee, Hye Min Lee, Sung Hyun Leem, Ki Chul Chang
  • Publication number: 20150318710
    Abstract: A wireless power receiver to wirelessly receive power from a wireless power transmitter comprises a reception coil to receive the power wirelessly transmitted from the wireless power transmitter through a magnetic field, a frequency detecting unit to detect a frequency band of the power transmitted from the wireless power transmitter and an inductance varying unit to change an inductance of the reception coil according to the detected frequency band.
    Type: Application
    Filed: November 5, 2013
    Publication date: November 5, 2015
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jung Oh LEE, Ki Chul CHANG, Ki Min LEE
  • Publication number: 20150282283
    Abstract: A lighting control apparatus includes a wireless communication module to receive tag information transmitted from a light switch, a control module to register the received tag information by matching the received tag information with at least one of a plurality of lighting devices, and to control the lighting devices using the registered tag information, and a storage module to store the tag information and identification information of the lighting device matched with the tag information.
    Type: Application
    Filed: March 27, 2015
    Publication date: October 1, 2015
    Inventors: Dae Hun KIM, Ki Chul CHANG
  • Publication number: 20150097441
    Abstract: A supporter includes a housing and a guide member formed at one side of the housing. The guide member has an inclined surface. A fixing member faces the guide member to fix an object and a transmission coil is disposed in the housing to wirelessly transmit power.
    Type: Application
    Filed: September 5, 2014
    Publication date: April 9, 2015
    Inventors: Woo Kil JUNG, Se Hyun Lee, Ki Chul Chang