Patents by Inventor Yong-il An
Yong-il An 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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Publication number: 20240022119Abstract: A wireless power receiver for receiving power from a wireless power transmitter, including a receiving part configured to receive wireless power from the wireless power transmitter; and a main controller in which a foreign object detection status packet including at least one of a reference quality factor and a reference peak frequency is stored, wherein the main controller transmits the foreign object detection status packet to the wireless power transmitter; wherein the main controller receives a NAK response from the wireless power transmitter indicating that the foreign object is present, or receives an ACK response from the wireless power transmitter indicating that the foreign object is not present; and wherein the receiving part receives a first power from the wireless power transmitter according to the received NAK response, or receives a second power greater than the first power from the wireless power transmitter according to the received ACK response.Type: ApplicationFiled: July 20, 2023Publication date: January 18, 2024Applicant: LG INNOTEK CO., LTD.Inventors: Yu Ri PARK, Yong Il KWON
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Publication number: 20240021899Abstract: Provided is a method for recycling a dry electrode film. More specifically, provided is a method for recycling a dry electrode film that can produce a dry electrode film of the same quality as a dry electrode film using a new raw material using recycled waste material by introducing a separate treatment step for the waste electrode generated during the production of the dry electrode film. The method for recycling a dry electrode film includes: obtaining waste materials to be recycled by crushing a waste electrode; collecting recycled materials that satisfy a preset powder flow index among the recycled waste materials above; and preparing an electrode material including the recycled material and manufacturing an electrode film using the electrode material.Type: ApplicationFiled: December 14, 2022Publication date: January 18, 2024Inventors: Yong Il Cho, Han Nah Song, Hyun Jin Kim
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Publication number: 20240016016Abstract: A display device includes a multilayer passivation structure and has an undercut formed in the passivation structure such that a connection between a cathode and an auxiliary wiring is formed inside the undercut, so as to prevent voltage drop of the cathode and influence of hydrogen on thin film transistors and thus to improve reliability of the display device.Type: ApplicationFiled: September 26, 2023Publication date: January 11, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Yong Il KIM, Young Wook LEE, Na Ra SHIN
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Patent number: 11869272Abstract: A processor-implemented method includes: generating a preprocessed infrared (IR) image by performing first preprocessing based on an IR image including an object; generating a preprocessed depth image by performing second preprocessing based on a depth image including the object; and determining whether the object is a genuine object based on the preprocessed IR image and the preprocessed depth image.Type: GrantFiled: June 12, 2020Date of Patent: January 9, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Youngjun Kwak, Minsu Ko, Youngsung Kim, Heewon Kim, Ju Hwan Song, Byung In Yoo, Seon Min Rhee, Yong-il Lee, Jiho Choi, Seungju Han
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Publication number: 20240006926Abstract: A wireless power transmitter that transmits power to a wireless power receiver, the wireless power transmitter including a communication unit configured to communicate with the wireless power receiver; and a controller, wherein the communication unit receives a plurality of packets including a foreign object detection (FOD) status packet from the wireless power receiver, wherein the controller determines whether a foreign object is present in a charging area of the wireless power transmitter on the basis of the FOD status packet, wherein the communication unit transmits, to the wireless power receiver, a response signal indicating whether the foreign object is present in the charging area of the wireless power transmitter on the basis of a result of the determination, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver,Type: ApplicationFiled: July 20, 2023Publication date: January 4, 2024Applicant: LG INNOTEK CO., LTD.Inventors: Jae Hee PARK, Yong Il KWON
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Publication number: 20240006927Abstract: A wireless power transmitter of transmitting power to a wireless power receiver, including a controller configured to determine whether a foreign object is present in a charging area of the wireless power transmitter; and a transmission part configured to transmit a wireless power according to whether the foreign object is present, wherein the controller receives a signal including an FOD status packet from the wireless power receiver, determines whether the foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; wherein the controller is set to operate in a first power transfer mode when it is determined that the foreign object is present in the charging area, or to operate in a second power transfer mode when it is determined that the foreign object is not present in the charging area; wherein the controller receives a reception power packet including information on the reception power intensity from the wireless power receiver, determines the receptionType: ApplicationFiled: July 20, 2023Publication date: January 4, 2024Applicant: LG INNOTEK CO., LTD.Inventors: Yu Ri PARK, Yong Il KWON
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Patent number: 11836235Abstract: Disclosed is a method and apparatus for testing a liveness, where the liveness test method includes receiving a color image and a photodiode (PD) image of an object from an image sensor comprising a pixel formed of a plurality of PDs, preprocessing the color image and the PD image, and determining a liveness of the object by inputting a result of preprocessing the color image and a result of preprocessing the PD image into a neural network.Type: GrantFiled: November 21, 2022Date of Patent: December 5, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Hana Lee, Youngjun Kwak, Sungheon Park, Hyeongwook Yang, Byung In Yoo, Juwoan Yoo, Solae Lee, Yong-Il Lee, Jiho Choi
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Patent number: 11832488Abstract: A display device includes a multilayer passivation structure and has an undercut formed in the passivation structure such that a connection between a cathode and an auxiliary wiring is formed inside the undercut, so as to prevent voltage drop of the cathode and influence of hydrogen on thin film transistors and thus to improve reliability of the display device.Type: GrantFiled: July 2, 2021Date of Patent: November 28, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Yong Il Kim, Young Wook Lee, Na Ra Shin
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Publication number: 20230378818Abstract: A wireless power receiver of receiving power from a wireless power transmitter, including a receiving part configured to receive wireless power from the wireless power transmitter; and a main controller configured to generate a signal including an FOD status packet, wherein the main controller transmits a signal including the FOD status packet to the wireless power transmitter; wherein the main controller receives a first power from the wireless power transmitter when a NAK response indicating that a foreign object is present in a charging area of the wireless power transmitter is received from the wireless power transmitter, or receives a second power from the wireless power transmitter when an ACK response indicating that the foreign object is not present in the charging area of the wireless power transmitter is received from the wireless power transmitter, in response to the FOD status packet; and wherein the main controller receives a signal including information on a result of determining whether the forType: ApplicationFiled: July 20, 2023Publication date: November 23, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Yu Ri PARK, Yong Il KWON
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Publication number: 20230378819Abstract: A wireless power receiver that receives power from a wireless power transmitter, the wireless power receiver including a communication unit configured to communicate with the wireless power transmitter; and a main controller, wherein the main controller generates a plurality of packets including a foreign object detection (FOD) status packet, w % herein the communication unit transmits the FOD status packet to the wireless power transmitter, and the communication unit receives, from the wireless power transmitter, a response signal indicating whether a foreign object is present in a charging area of the wireless power transmitter, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver, wherein each of the plurality of packets includes a preamble, a header, a message, and a checksum for identifying whether an error occurs iType: ApplicationFiled: July 20, 2023Publication date: November 23, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Jae Hee PARK, Yong Il KWON
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Publication number: 20230375449Abstract: Discussed is a fatigue failure verification device that can include a module housing including a welding portion, a cell stack including a plurality of battery cells accommodated in the module housing, at least one main flexible tube located in a central portion of the cell stack in a stack direction of the cell stack, a main flexible tube frame in which the at least one main flexible tube is accommodated. The main flexible tube frame can include a pair of opening portions formed on opposite sides so that the at least one main flexible tube faces the plurality of battery cells, and a pump can be provided, which is configured to adjust a pressure applied by the at least one main flexible tube to the plurality of battery cells by supplying a fluid to the at least one main flexible tube.Type: ApplicationFiled: November 9, 2021Publication date: November 23, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Dong-Wook KIM, YONG-IL KIM, Su-Hang LEE
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Publication number: 20230369912Abstract: A method of transmitting power of a wireless power transmitter, including a reception phase of receiving a signal including an FOD status packet from a wireless power receiver; a first determination phase of determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; a power control phase of controlling power transmission in a first power transfer mode if it is determined in the first determination phase that the foreign object is present in the charging area, or controlling power transmission in a second power transfer mode if it is determined in the first determination phase that the foreign object is not present in the charging area; a phase of receiving a reception power packet including information on a reception power intensity from the wireless power receiver; a phase of determining the reception power intensity of the wireless power receiver based on information on the reception power intensity; a phase of measuring or calculatinType: ApplicationFiled: July 20, 2023Publication date: November 16, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Yu Ri PARK, Yong Il KWON
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Publication number: 20230369902Abstract: A method of transmitting power by a wireless power transmitter, the method including sequentially transmitting a sensing signal a plurality of times to a wireless power receiver through a plurality of transmission coils to sense the presence of the wireless power receiver; identifying transmission coils that receive a signal strength indictor transmitted by the wireless power receiver in response to the plurality of sensing signals; and selecting, as a power transmission coil, the transmission coil that has received the signal strength indicator having the largest amount or the largest value among the transmission coils that have received the signal strength indicator, receiving a plurality of packets including a foreign object detection (FOD) status packet from the wireless power receiver; determining whether a foreign object is present in a charging area of the wireless power transmitter on the basis of the FOD status packet; and transmitting, to the wireless power receiver, a response signal indicating wheType: ApplicationFiled: July 20, 2023Publication date: November 16, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Jae Hee PARK, Yong Il KWON
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Publication number: 20230369909Abstract: A method of receiving power by a wireless power receiver, the method including transmitting, to a wireless power transmitter, a plurality of packets including a foreign object detection (FOD) status packet; and receiving, from the wireless power transmitter, a response signal indicating whether a foreign object is present in a charging area of the wireless power transmitter, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver, wherein each of the plurality of packets includes a preamble, a header, a message, and a checksum for identifying whether an error occurs in each packet, and wherein a size of the message included in the each packet is identified on the basis of a value of the header.Type: ApplicationFiled: July 20, 2023Publication date: November 16, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Jae Hee PARK, Yong Il KWON
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Publication number: 20230369906Abstract: A method of transmitting power by a wireless power transmitter, the method including receiving a plurality of packets including a foreign object detection (FOD) status packet from a wireless power receiver; determining whether a foreign object is present in a charging area of the wireless power transmitter on the basis of the FOD status packet; and transmitting, to the wireless power receiver, a response signal indicating whether the foreign object is present in the charging area of the wireless power transmitter on the basis of a result of the determination, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver, wherein each of the plurality of packets includes a preamble, a header, a message, and a checksum for identifying whether an error occurs in each packet, and wherein a size of the message included in the each pacType: ApplicationFiled: July 20, 2023Publication date: November 16, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Jae Hee PARK, Yong Il KWON
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Publication number: 20230369910Abstract: A wireless power receiver that receives power from a wireless power transmitter, the wireless power receiver including a communication unit configured to communicate with the wireless power transmitter; and a main controller, wherein the main controller generates a plurality of packets including a foreign object detection (FOD) status packet, wherein the communication unit transmits the FOD status packet to the wireless power transmitter, and the communication unit receives, from the wireless power transmitter, a response signal indicating whether a foreign object is present in a charging area of the wireless power transmitter, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver, and wherein the plurality of packets further include at least one of a signal strength packet, an end power transfer packet, a power control hType: ApplicationFiled: July 20, 2023Publication date: November 16, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Jae Hee PARK, Yong Il KWON
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Publication number: 20230369908Abstract: A method of transmitting power by a wireless power transmitter, the method including receiving a plurality of packets including a foreign object detection (FOD) status packet from a wireless power receiver; determining whether a foreign object is present in a charging area of the wireless power transmitter on the basis of the FOD status packet; and transmitting, to the wireless power receiver, a response signal indicating whether the foreign object is present in the charging area of the wireless power transmitter on the basis of a result of the determination, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver, wherein the plurality of packets further include at least one of a signal strength packet, an end power transfer packet, a power control hold-off packet, a configuration packet, an identification packet for transType: ApplicationFiled: July 20, 2023Publication date: November 16, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Jae Hee PARK, Yong Il KWON
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Publication number: 20230369903Abstract: A wireless power receiver that receives power from a wireless power transmitter, the wireless power receiver including a communication unit configured to communicate with the wireless power transmitter; and a main controller, wherein the main controller generates a plurality of packets including a foreign object detection (FOD) status packet, wherein the communication unit transmits the FOD status packet to the wireless power transmitter, and the communication unit receives, from the wireless power transmitter, a response signal indicating whether a foreign object is present in a charging area of the wireless power transmitter, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver, wherein each of the plurality of packets includes a preamble, a header, a message, and a checksum for identifying whether an error occurs in eType: ApplicationFiled: July 20, 2023Publication date: November 16, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Jae Hee PARK, Yong Il KWON
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Publication number: 20230369913Abstract: A method of transmitting power of a wireless power transmitter, including a phase of sequentially transmitting a detection signal to a wireless power receiver a plurality of times through a plurality of transmission coils to detect that the wireless power receiver is present; a phase of identifying a transmission coil that has received the signal strength indicator transmitted from the wireless power receiver in response to the detection signal transmitted a plurality of times; a phase of selecting, as a power transmission coil, a transmission coil that has received the signal strength indicator having the most or largest value among the plurality of transmission coils that have received the signal strength indicator as a power transmission coil; a phase of receiving an FOD status packet from the wireless power receiver; a first determination phase of determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; and a power control phase oType: ApplicationFiled: July 20, 2023Publication date: November 16, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Yu Ri PARK, Yong Il KWON
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Publication number: 20230369904Abstract: A wireless power transmitter that transmits power to a wireless power receiver, the wireless power transmitter including a communication unit configured to communicate with the wireless power receiver; and a controller, wherein the communication unit receives a plurality of packets including a foreign object detection (FOD) status packet from the wireless power receiver, wherein the controller determines whether a foreign object is present in a charging area of the wireless power transmitter on the basis of the FOD status packet, wherein the communication unit transmits, to the wireless power receiver, a response signal indicating whether the foreign object is present in the charging area of the wireless power transmitter on the basis of a result of the determination, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver,Type: ApplicationFiled: July 20, 2023Publication date: November 16, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Jae Hee PARK, Yong Il KWON