Patents by Inventor Yeon-Joo Lee
Yeon-Joo Lee 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: 11978901Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes a cathode active material and a conductive material ID/IG is in a range from 0.5 to 1.25 in a Raman spectrum of the cathode active material layer. The cathode active material includes lithium metal oxide particles containing nickel and manganese and having a content of cobalt of less than 2 mol % among all elements except for lithium and oxygen.Type: GrantFiled: June 20, 2023Date of Patent: May 7, 2024Assignee: SK ON CO., LTD.Inventors: Yong Seok Lee, Jae Ram Kim, Ji Won Na, Sang Won Bae, Yeon Hwa Song, Ki Joo Eom, Myung Ro Lee, Jae Yeong Lee, Hyun Joong Jang
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Publication number: 20240145346Abstract: A semiconductor device includes a substrate with a conductive pattern. A semiconductor die is electrically connected to the substrate and both the semiconductor die and the substrate are at least partially covered by a package body. In some examples, through-mold vias are formed in the package body to provide electrical signal paths from an exterior surface thereof to the conductive pattern of the substrate. In some examples, through-mold vias are included in the package body to provide electrical signal paths between the semiconductor die and an exterior surface of the package body. In some examples, an interposer is electrically connected to the through-mold vias and may be covered by the package body and/or disposed in spaced relation thereto. In some examples, the interposer may not be electrically connected to the through-mold vias but may have one or more semiconductor dies of the semiconductor device electrically connected thereto.Type: ApplicationFiled: January 8, 2024Publication date: May 2, 2024Applicant: Amkor Technology Singapore Holding Pte. LtdInventors: Dong Joo PARK, Jin Seong KIM, Ki Wook LEE, Dae Byoung KANG, Ho CHOI, Kwang Ho KIM, Jae Dong KIM, Yeon Soo JUNG, Sung Hwan CHO
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Publication number: 20240116791Abstract: The present disclosure relates to a toxic waste treatment process and treatment apparatus including: a temperature raising operation of raising a temperature of a toxic waste solid to a heat treatment temperature selected from 300° C. to 600° C. at an average temperature raising rate of 5° C./min or less; and a heat treatment operation of heat-treating the toxic waste solid at the heat treatment temperature.Type: ApplicationFiled: September 14, 2022Publication date: April 11, 2024Applicant: LG Chem, Ltd.Inventors: Manki Cho, Hyun Woog Ryu, Bonsik Joo, Jeong Kyu Kim, Yeon Hwa Lee
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Patent number: 10631626Abstract: A smart toothbrush is provided. The smart toothbrush includes a toothbrush head configured to be provided with bristles, a toothbrush body configured to be connected to the toothbrush head and to be able to be held, a temperature sensor configured to measure a temperature within an oral cavity of a user while the user is brushing teeth using the smart toothbrush, and a processor configured to determine a tooth brushing section in which the user is brushing teeth within the oral cavity, based on a temperature value measured by the temperature sensor.Type: GrantFiled: October 11, 2017Date of Patent: April 28, 2020Assignees: Samsung Electronics Co., Ltd., Cheil Worldwide Inc.Inventors: Yeon Joo Lee, Jong-ho Choi, Dong-ju Roh, Sung-jin Park, Dong-jun Lee, Jee-yun Lee
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Publication number: 20180098620Abstract: A smart toothbrush is provided. The smart toothbrush includes a toothbrush head configured to be provided with bristles, a toothbrush body configured to be connected to the toothbrush head and to be able to be held, a temperature sensor configured to measure a temperature within an oral cavity of a user while the user is brushing teeth using the smart toothbrush, and a processor configured to determine a tooth brushing section in which the user is brushing teeth within the oral cavity, based on a temperature value measured by the temperature sensor.Type: ApplicationFiled: October 11, 2017Publication date: April 12, 2018Inventors: Yeon Joo LEE, Jong-ho CHOI, Dong-ju ROH, Sung-jin PARK, Dong-jun LEE, Jee-yun LEE
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Patent number: 8952850Abstract: A MIMO antenna apparatus is provided. The MIMO antenna apparatus includes a plurality of antenna devices each having an operation line extending parallel by a predetermined extension length from one end portion and configured to operate in a resonant frequency band when power is supplied. The apparatus also includes a main board divided into a device area and aground area. The apparatus further includes a plurality of ground pads each extending from the ground plate to the device area in the main board and configured to connect the one end portion of each of the antenna devices to the ground plate. The apparatus also includes a plurality of feeding pads mounted adjacent to the ground pad in the device area and configured to connect each of the antenna devices to the main board and to provide power to each of the antenna devices.Type: GrantFiled: November 18, 2011Date of Patent: February 10, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Sung Won Park, Yeon Joo Lee
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Patent number: 8427982Abstract: A method and a circuit for controlling a reception path of a multi-standby terminal are provided. If a first communication module is in a transmission state, all filters disposed in a reception path of a second communication module are activated. If the first communication module is not in a transmission state, fewer than all of the filters disposed in the reception path of the second communication module are activated. A plurality of filters disposed in the reception path of the second communication module are activated partially or fully according to the transmission state of the first communication module.Type: GrantFiled: January 22, 2009Date of Patent: April 23, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Yeon Joo Lee, Jae Suk Kim
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Publication number: 20120127056Abstract: A MIMO antenna apparatus is provided. The MIMO antenna apparatus includes a plurality of antenna devices each having an operation line extending parallel by a predetermined extension length from one end portion and configured to operate in a resonant frequency band when power is supplied. The apparatus also includes a main board divided into a device area and aground area. The apparatus further includes a plurality of ground pads each extending from the ground plate to the device area in the main board and configured to connect the one end portion of each of the antenna devices to the ground plate. The apparatus also includes a plurality of feeding pads mounted adjacent to the ground pad in the device area and configured to connect each of the antenna devices to the main board and to provide power to each of the antenna devices.Type: ApplicationFiled: November 18, 2011Publication date: May 24, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Won Park, Yeon Joo Lee
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Patent number: 7929987Abstract: Disclosed are an apparatus and a method for preventing the degradation of RF performance due to a change in impedance of an antenna in a mobile communication terminal. The mobile communication terminal includes a plurality of impedance matching circuits and a controller of the mobile communication terminal is adapted to measure the reflection voltage of the antenna, select one impedance matching circuit corresponding to the measured reflection voltage, and connected with the antenna through the selected impedance matching circuit. As a result, when the impedance value of the antenna is changed, it is possible to prevent the degradation of performance of the RF module of the mobile communication terminal by using an impedance matching circuit, which can optimize the reflection loss caused by the reflection voltage of the antenna according to a change in impedance value.Type: GrantFiled: February 6, 2007Date of Patent: April 19, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Yeon-Joo Lee, Sung-Min Lee, Chang-Young Kim, Jeong-Hun Kim
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Publication number: 20090190563Abstract: A method and a circuit for controlling a reception path of a multi-standby terminal are provided. If a first communication module is in a transmission state, all filters disposed in a reception path of a second communication module are activated. If the first communication module is not in a transmission state, fewer than all of the filters disposed in the reception path of the second communication module are activated. A plurality of filters disposed in the reception path of the second communication module are activated partially or fully according to the transmission state of the first communication module.Type: ApplicationFiled: January 22, 2009Publication date: July 30, 2009Applicant: SAMSUNG ELECTRONICS CO. LTD.Inventors: Yeon Joo LEE, Jae Suk KIM
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Publication number: 20070236296Abstract: Disclosed are an apparatus and a method for preventing the degradation of RF performance due to a change in impedance of an antenna in a mobile communication terminal. The mobile communication terminal includes a plurality of impedance matching circuits and a controller of the mobile communication terminal is adapted to measure the reflection voltage of the antenna, select one impedance matching circuit corresponding to the measured reflection voltage, and connected with the antenna through the selected impedance matching circuit As a result, when the impedance value of the antenna is changed, it is possible to prevent the degradation of performance of the RF module of the mobile communication terminal by using an impedance matching circuit, which can optimize the reflection loss caused by the reflection voltage of the antenna according to a change in impedance value.Type: ApplicationFiled: February 6, 2007Publication date: October 11, 2007Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeon-Joo Lee, Sung-Min Lee, Chang-Young Kim, Jeong-Hun Kim
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Patent number: D785400Type: GrantFiled: July 8, 2015Date of Patent: May 2, 2017Inventor: Yeon Joo Lee