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).
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Patent number: 11516326Abstract: 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: GrantFiled: March 27, 2017Date of Patent: November 29, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Sang Won Seo, Ki Chul Chang, Jeong Gi Seo
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Patent number: 11041744Abstract: 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: GrantFiled: March 30, 2017Date of Patent: June 22, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Jeong Gi Seo, Ki Chul Chang, Sun Hwa Lee, Jun Young Lim
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Publication number: 20200304618Abstract: 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: ApplicationFiled: March 27, 2017Publication date: September 24, 2020Inventors: Sang Won SEO, Ki Chul CHANG, Jeong Gi SEO
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Publication number: 20200300676Abstract: 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: ApplicationFiled: March 30, 2017Publication date: September 24, 2020Inventors: Jeong Gi SEO, Ki Chul CHANG, Sun Hwa LEE, Jun Young LIM
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Patent number: 10673141Abstract: 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: GrantFiled: January 31, 2019Date of Patent: June 2, 2020Assignee: 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
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Publication number: 20200087969Abstract: 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: ApplicationFiled: December 15, 2017Publication date: March 19, 2020Inventors: Sun Hwa LEE, Ki Chul CHANG, Chil Young JI
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Patent number: 10407028Abstract: 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: GrantFiled: March 4, 2016Date of Patent: September 10, 2019Assignee: LG INNOTEK CO., LTD.Inventors: Chil Young Ji, Ki Chul Chang
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Publication number: 20190165474Abstract: 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: ApplicationFiled: January 31, 2019Publication date: May 30, 2019Inventors: JEONG WOOK AN, JUNG OH LEE, YANG HYUN KIM, KI MIN LEE, HYE MIN LEE, SUNG HYUN LEEM, KI CHUL CHANG
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Patent number: 10256540Abstract: 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: GrantFiled: November 28, 2016Date of Patent: April 9, 2019Assignee: 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
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Publication number: 20190089209Abstract: 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: ApplicationFiled: October 16, 2018Publication date: March 21, 2019Inventors: Woo Kil JUNG, Se Hyun LEE, Ki Chul CHANG
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Patent number: 10135304Abstract: 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: GrantFiled: September 5, 2014Date of Patent: November 20, 2018Assignee: LG Innotek Co., Ltd.Inventors: Woo Kil Jung, Se Hyun Lee, Ki Chul Chang
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Publication number: 20180294669Abstract: 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: ApplicationFiled: June 8, 2018Publication date: October 11, 2018Applicant: LG INNOTEK CO., LTD.Inventors: Jung Oh LEE, Ki Chul CHANG, Ki Min LEE
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Publication number: 20180244244Abstract: 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: ApplicationFiled: March 4, 2016Publication date: August 30, 2018Inventors: Chil Young Ji, Ki Chul Chang
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Patent number: 10008881Abstract: 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: GrantFiled: November 5, 2013Date of Patent: June 26, 2018Assignee: LG INNOTEK CO., LTD.Inventors: Jung Oh Lee, Ki Chul Chang, Ki Min Lee
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Patent number: 9674930Abstract: 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: GrantFiled: March 27, 2015Date of Patent: June 6, 2017Assignee: LG INNOTEK CO., LTD.Inventors: Dae Hun Kim, Ki Chul Chang
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Publication number: 20170133744Abstract: 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: ApplicationFiled: November 28, 2016Publication date: May 11, 2017Inventors: Jeong Wook An, Jung Oh Lee, Yang Hyun Kim, Ki Min Lee, Hye Min Lee, Sung Hyun Leem, Ki Chul Chang
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Patent number: 9553476Abstract: 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: GrantFiled: March 22, 2013Date of Patent: January 24, 2017Assignee: 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
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Publication number: 20150318710Abstract: 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: ApplicationFiled: November 5, 2013Publication date: November 5, 2015Applicant: LG INNOTEK CO., LTD.Inventors: Jung Oh LEE, Ki Chul CHANG, Ki Min LEE
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Publication number: 20150282283Abstract: 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: ApplicationFiled: March 27, 2015Publication date: October 1, 2015Inventors: Dae Hun KIM, Ki Chul CHANG
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Publication number: 20150097441Abstract: 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: ApplicationFiled: September 5, 2014Publication date: April 9, 2015Inventors: Woo Kil JUNG, Se Hyun Lee, Ki Chul Chang