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).

  • Patent number: 10770233
    Abstract: 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: Grant
    Filed: June 18, 2019
    Date of Patent: September 8, 2020
    Assignee: 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
  • Patent number: 10607776
    Abstract: 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: Grant
    Filed: March 16, 2016
    Date of Patent: March 31, 2020
    Assignee: 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
  • Publication number: 20200049802
    Abstract: 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: Application
    Filed: August 7, 2019
    Publication date: February 13, 2020
    Applicant: HYUNDAI AUTRON CO., LTD.
    Inventor: Chul Seung Lee
  • Publication number: 20190304700
    Abstract: 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: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Inventors: Min Hee HONG, Chul Seung LEE, Won Seh LEE, Doo Young KIM, Chang Hoon KIM, Jae Yeol CHOI, Hyeun Tea YOON
  • Patent number: 10373762
    Abstract: 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: Grant
    Filed: November 29, 2017
    Date of Patent: August 6, 2019
    Assignee: 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
  • Publication number: 20190101648
    Abstract: 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: Application
    Filed: July 12, 2018
    Publication date: April 4, 2019
    Inventor: Chul Seung LEE
  • Publication number: 20180082790
    Abstract: 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: Application
    Filed: November 29, 2017
    Publication date: March 22, 2018
    Inventors: Min Hee HONG, Chul Seung LEE, Won Seh LEE, Doo Young KIM, Chang Hoon KIM, Jae Yeol CHOI, Hyeun Tea YOON
  • Patent number: 9859058
    Abstract: 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: Grant
    Filed: October 7, 2015
    Date of Patent: January 2, 2018
    Assignee: 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
  • Patent number: 9779875
    Abstract: 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: Grant
    Filed: September 17, 2015
    Date of Patent: October 3, 2017
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Hyung Lim, Min Hee Hong, Chang Hoon Kim, Doo Young Kim, Chul Seung Lee
  • Publication number: 20170025222
    Abstract: 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: Application
    Filed: March 16, 2016
    Publication date: January 26, 2017
    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
  • Patent number: 9465400
    Abstract: 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: Grant
    Filed: December 11, 2015
    Date of Patent: October 11, 2016
    Assignee: Hyundai Autron Co., Ltd.
    Inventors: Jung Yong Kim, Chul Seung Lee
  • Patent number: 9418789
    Abstract: 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: Grant
    Filed: July 18, 2014
    Date of Patent: August 16, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho Lee, Hang Kyu Cho, Doo Young Kim, Chung Eun Lee, Chul Seung Lee
  • Publication number: 20160196918
    Abstract: 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: Application
    Filed: October 7, 2015
    Publication date: July 7, 2016
    Inventors: Min Hee HONG, Chul Seung LEE, Won Seh LEE, Doo Young KIM, Chang Hoon KIM, Jae Yeol CHOI, Hyeun Tea YOON
  • Publication number: 20160196917
    Abstract: 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: Application
    Filed: September 17, 2015
    Publication date: July 7, 2016
    Inventors: Jin Hyung LIM, Min Hee HONG, Chang Hoon KIM, Doo Young KIM, Chul Seung LEE
  • Publication number: 20160170434
    Abstract: 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: Application
    Filed: December 11, 2015
    Publication date: June 16, 2016
    Applicant: Hyundai Autron Co., Ltd.
    Inventors: Jung Yong KIM, Chul Seung LEE
  • Publication number: 20150318110
    Abstract: 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: Application
    Filed: July 18, 2014
    Publication date: November 5, 2015
    Inventors: Jong Ho LEE, Hang Kyu CHO, Doo Young KIM, Chung Eun LEE, Chul Seung LEE
  • Patent number: 9158617
    Abstract: 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: Grant
    Filed: October 8, 2013
    Date of Patent: October 13, 2015
    Assignee: 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
  • Publication number: 20140101514
    Abstract: 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: Application
    Filed: October 8, 2013
    Publication date: April 10, 2014
    Applicant: 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
  • Publication number: 20130346677
    Abstract: 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: Application
    Filed: March 6, 2013
    Publication date: December 26, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: JAE-GEUN PARK, SEUNG-WON LEE, YOUNG-JIN CHO, EUI-HYEOK KWON, CHUL-SEUNG LEE
  • Publication number: 20130106030
    Abstract: 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: Application
    Filed: March 27, 2012
    Publication date: May 2, 2013
    Inventors: Byung Kwon YOON, Chul Seung Lee, Su Yeoun Kim