Patents by Inventor Chul Seung Lee
Chul Seung 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: 10770233Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.Type: GrantFiled: June 18, 2019Date of Patent: September 8, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Min Hee Hong, Chul Seung Lee, Won Seh Lee, Doo Young Kim, Chang Hoon Kim, Jae Yeol Choi, Hyeun Tea Yoon
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Patent number: 10607776Abstract: A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately stacked. The dielectric layers contain at least one dielectric grain having a ratio of a long axis to a short axis that is 3.5 or more. The internal electrodes contain a ceramic component containing a grain growth adjusting ingredient for dielectric grains. Each dielectric layer includes interfacial portions adjacent to the internal electrodes and a central portion disposed between the interfacial portions, and concentrations of the grain growth adjusting ingredient in the interfacial portions and the central portion are different from each other.Type: GrantFiled: March 16, 2016Date of Patent: March 31, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kum Jin Park, Chang Hak Choi, Jong Hoon Yoo, Doo Young Kim, Min Gi Sin, Chi Hwa Lee, Chul Seung Lee, Jong Han Kim
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Publication number: 20200049802Abstract: Disclosed is a light and detection ranging (LiDAR) system for a vehicle, which includes: a laser generator generating an optical signal having an address signal and a pulse signal; and a plurality of LiDAR sensors connected to an optical fiber bus, in which each of the plurality of LiDAR sensors determines whether the pulse signal of the optical signal is received according to the address signal of the optical signal.Type: ApplicationFiled: August 7, 2019Publication date: February 13, 2020Applicant: HYUNDAI AUTRON CO., LTD.Inventor: Chul Seung Lee
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Publication number: 20190304700Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.Type: ApplicationFiled: June 18, 2019Publication date: October 3, 2019Inventors: Min Hee HONG, Chul Seung LEE, Won Seh LEE, Doo Young KIM, Chang Hoon KIM, Jae Yeol CHOI, Hyeun Tea YOON
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Patent number: 10373762Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.Type: GrantFiled: November 29, 2017Date of Patent: August 6, 2019Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Min Hee Hong, Chul Seung Lee, Won Seh Lee, Doo Young Kim, Chang Hoon Kim, Jae Yeol Choi, Hyeun Tea Yoon
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Publication number: 20190101648Abstract: A distance detection sensor includes a current-to-voltage converter configured to convert a current corresponding to a detection signal reflected from a target to a voltage, an amplifier configured to amplify the converted voltage, a comparator configured to compare an output value of the amplifier with a reference value to generate a receive pulse, a reference value selector configured to select any one of a plurality of reference values as the reference value, and a time-to-digital converter configured to calculate time-of-light (TOF) time in response to the receive pulse output from the comparator. The reference value selector continuously changes different reference values respectively corresponding continuous receive pulses.Type: ApplicationFiled: July 12, 2018Publication date: April 4, 2019Inventor: Chul Seung LEE
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Publication number: 20180082790Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.Type: ApplicationFiled: November 29, 2017Publication date: March 22, 2018Inventors: Min Hee HONG, Chul Seung LEE, Won Seh LEE, Doo Young KIM, Chang Hoon KIM, Jae Yeol CHOI, Hyeun Tea YOON
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Patent number: 9859058Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.Type: GrantFiled: October 7, 2015Date of Patent: January 2, 2018Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Min Hee Hong, Chul Seung Lee, Won Seh Lee, Doo Young Kim, Chang Hoon Kim, Jae Yeol Choi, Hyeun Tea Yoon
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Patent number: 9779875Abstract: A multilayer ceramic electronic component includes a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with respective dielectric layers interposed therebetween, and external electrodes disposed on outer surfaces of the ceramic body. Opposite edge portions of at least one or more of the first and second internal electrodes in a width direction of the ceramic body are thicker than a central portion thereof, and a ratio (T2/T1) of a thickness (T2) of the edge portion to a thickness (T1) of the central portion satisfies 1.0<T2/T1?2.0.Type: GrantFiled: September 17, 2015Date of Patent: October 3, 2017Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Hyung Lim, Min Hee Hong, Chang Hoon Kim, Doo Young Kim, Chul Seung Lee
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Publication number: 20170025222Abstract: A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately stacked. The dielectric layers contain at least one dielectric grain having a ratio of a long axis to a short axis that is 3.5 or more. The internal electrodes contain a ceramic component containing a grain growth adjusting ingredient for dielectric grains. Each dielectric layer includes interfacial portions adjacent to the internal electrodes and a central portion disposed between the interfacial portions, and concentrations of the grain growth adjusting ingredient in the interfacial portions and the central portion are different from each other.Type: ApplicationFiled: March 16, 2016Publication date: January 26, 2017Inventors: Kum Jin PARK, Chang Hak CHOI, Jong Hoon YOO, Doo Young KIM, Min Gi SIN, Chi Hwa LEE, Chul Seung LEE, Jong Han KIM
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Patent number: 9465400Abstract: An apparatus for compensating for an output signal may include: a regulator configured to convert power supplied from a power supply unit into a preset voltage; an input unit configured to be supplied with a voltage from the regulator and receive an external input signal; a control unit configured to be supplied with the voltage from the regulator, and transmit the input signal after preset signal processing; and an output unit configured to be supplied with power from the power supply unit and output the received input signal. The input unit may receive a supply voltage of the power supply unit and transmits the received supply voltage to the control unit, and the control unit may compensate for the input signal based on a preset reference supply voltage of the power supply unit and the received supply voltage.Type: GrantFiled: December 11, 2015Date of Patent: October 11, 2016Assignee: Hyundai Autron Co., Ltd.Inventors: Jung Yong Kim, Chul Seung Lee
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Patent number: 9418789Abstract: A multilayer ceramic electronic component may include: a ceramic body including an active part in which dielectric layers and internal electrodes are alternately disposed, an upper cover part disposed on an upper portion of the active part, and a lower cover part disposed on a lower portion thereof; a first dummy electrode disposed between a central portion of the upper or lower cover part in a length direction and one end surface of the cover part in the length direction; and a second dummy electrode disposed between the central portion of the upper or lower cover part in the length direction and the other end surface of the cover part in the length direction, and spaced apart from the first dummy electrode.Type: GrantFiled: July 18, 2014Date of Patent: August 16, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Ho Lee, Hang Kyu Cho, Doo Young Kim, Chung Eun Lee, Chul Seung Lee
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Publication number: 20160196918Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.Type: ApplicationFiled: October 7, 2015Publication date: July 7, 2016Inventors: Min Hee HONG, Chul Seung LEE, Won Seh LEE, Doo Young KIM, Chang Hoon KIM, Jae Yeol CHOI, Hyeun Tea YOON
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Publication number: 20160196917Abstract: A multilayer ceramic electronic component includes a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with respective dielectric layers interposed therebetween, and external electrodes disposed on outer surfaces of the ceramic body. Opposite edge portions of at least one or more of the first and second internal electrodes in a width direction of the ceramic body are thicker than a central portion thereof, and a ratio (T2/T1) of a thickness (T2) of the edge portion to a thickness (T1) of the central portion satisfies 1.0<T2/T1?2.0.Type: ApplicationFiled: September 17, 2015Publication date: July 7, 2016Inventors: Jin Hyung LIM, Min Hee HONG, Chang Hoon KIM, Doo Young KIM, Chul Seung LEE
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Publication number: 20160170434Abstract: An apparatus for compensating for an output signal may include: a regulator configured to convert power supplied from a power supply unit into a preset voltage; an input unit configured to be supplied with a voltage from the regulator and receive an external input signal; a control unit configured to be supplied with the voltage from the regulator, and transmit the input signal after preset signal processing; and an output unit configured to be supplied with power from the power supply unit and output the received input signal. The input unit may receive a supply voltage of the power supply unit and transmits the received supply voltage to the control unit, and the control unit may compensate for the input signal based on a preset reference supply voltage of the power supply unit and the received supply voltage.Type: ApplicationFiled: December 11, 2015Publication date: June 16, 2016Applicant: Hyundai Autron Co., Ltd.Inventors: Jung Yong KIM, Chul Seung LEE
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Publication number: 20150318110Abstract: A multilayer ceramic electronic component may include: a ceramic body including an active part in which dielectric layers and internal electrodes are alternately disposed, an upper cover part disposed on an upper portion of the active part, and a lower cover part disposed on a lower portion thereof; a first dummy electrode disposed between a central portion of the upper or lower cover part in a length direction and one end surface of the cover part in the length direction; and a second dummy electrode disposed between the central portion of the upper or lower cover part in the length direction and the other end surface of the cover part in the length direction, and spaced apart from the first dummy electrode.Type: ApplicationFiled: July 18, 2014Publication date: November 5, 2015Inventors: Jong Ho LEE, Hang Kyu CHO, Doo Young KIM, Chung Eun LEE, Chul Seung LEE
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Patent number: 9158617Abstract: Performing a write operation or a read operation in a memory system may include compressing data of a first size unit, generating a plurality of types of Error Checking and Correction (ECC) information based on the compressed data, combining the compressed data and the plurality of types of ECC information in units of a second size, and writing the information combined in units of the second size into a memory device.Type: GrantFiled: October 8, 2013Date of Patent: October 13, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Young-jin Cho, Eui-hyeok Kwon, Hak-sun Kim, Hyunsik Kim, Jae-geun Park, Seong-hoon Woo, Chul-seung Lee
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Publication number: 20140101514Abstract: A method of performing a write operation or a read operation in a memory system includes compressing data of a first size unit, generating a plurality of types of Error Checking and Correction (ECC) information based on the compressed data, combining the compressed data and the plurality of types of ECC information in units of a second size, and writing the information combined in units of the second size into a memory device.Type: ApplicationFiled: October 8, 2013Publication date: April 10, 2014Applicant: Samsung Electronics Co., LtdInventors: Young-jin CHO, Eui-hyeok KWON, Hak-sun KIM, Hyunsik KIM, Jae-geun PARK, Seong-hoon WOO, Chul-seung LEE
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Publication number: 20130346677Abstract: A non-volatile memory device comprises a first storage unit which stores mapping information between a plurality of first addresses and a plurality of second addresses, and data; a second storage unit having a storage capacity smaller than that of the first storage unit; and a decoder which receives a first read address that is one of the plurality of first addresses, and while the mapping information is provided from the first storage unit to the second storage unit in order to locate a second read address that is one of the plurality of second addresses and corresponds to the first read address, applies a read command for reading data corresponding to the second read address to the first storage unit.Type: ApplicationFiled: March 6, 2013Publication date: December 26, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: JAE-GEUN PARK, SEUNG-WON LEE, YOUNG-JIN CHO, EUI-HYEOK KWON, CHUL-SEUNG LEE
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Publication number: 20130106030Abstract: There is provided a method of manufacturing ceramic electronic components having excellent reliability. According to the present invention, pre-burning out is additionally performed prior to burning out. According to the present invention, the occurrence of cracks can be prevented and the ceramic electronic components having excellent reliability can be obtained.Type: ApplicationFiled: March 27, 2012Publication date: May 2, 2013Inventors: Byung Kwon YOON, Chul Seung Lee, Su Yeoun Kim