Patents by Inventor Seong-Hwi Song

Seong-Hwi Song 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).

  • Publication number: 20240145673
    Abstract: Disclosed is a positive electrode for a lithium-sulfur battery. The positive electrode includes a sulfur-carbon composite as a positive electrode active material. The sulfur-carbon composite includes a porous carbonaceous material having a high porosity and high specific surface area. Therefore, when the sulfur-carbon composite is applied to a battery, the battery shows a reduced initial irreversible capacity and improved output characteristics and life characteristics.
    Type: Application
    Filed: October 31, 2022
    Publication date: May 2, 2024
    Inventors: In-Tae PARK, Yong-Hwi KIM, Seong-Hyo PARK, Myeong-Jun SONG, Hyun-Soo LEE, Ran CHOI
  • Publication number: 20240136502
    Abstract: Disclosed is a positive electrode for a lithium-sulfur battery, including a sulfur-carbon composite as a positive electrode active material. The sulfur-carbon composite includes a porous carbonaceous material having a high specific surface area, and the total pore volume in the carbonaceous material and a volume of pores having a specific diameter are controlled to specific ranges. Also disclosed is a lithium-sulfur battery using the sulfur-carbon composite. The lithium-sulfur battery shows reduced initial irreversible capacity and improved output characteristics and life characteristics.
    Type: Application
    Filed: October 30, 2022
    Publication date: April 25, 2024
    Inventors: In-Tae PARK, Yong-Hwi KIM, Seong-Hyo PARK, Myeong-Jun SONG, Hyun-Soo LEE, Ran CHOI
  • Publication number: 20240113297
    Abstract: A positive electrode for a lithium-sulfur battery is provided. The positive electrode includes a positive electrode active material comprising a first and second sulfur-carbon composites respectively comprising a first and a second carbonaceous materials having a different specific surface area and pore volume from each other, and provides reduced initial irreversible capacity and improved output characteristics and life characteristics of a secondary battery.
    Type: Application
    Filed: October 31, 2022
    Publication date: April 4, 2024
    Inventors: In-Tae PARK, Yong-Hwi KIM, Seong-Hyo PARK, Myeong-Jun SONG, Hyun-Soo LEE, Ran CHOI
  • Publication number: 20240079588
    Abstract: A method for preparing a sulfur-carbon composite including a step of pretreating a carbon material is provided. The method is capable of removing water and other impurities from the carbon material effectively, and the sulfur-carbon composite obtained by the method used as a positive electrode active material of a lithium-sulfur battery provides improved sulfur supportability and over-voltage performance of the lithium-sulfur battery, reduced initial irreversible capacity of the positive electrode active material, and improved output characteristics and life characteristics.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 7, 2024
    Inventors: In-Tae Park, Myeong-Jun Song, Yong-Hwi Kim, Seong-Hyo Park, Hyun-Soo Lee, Ran Choi
  • Publication number: 20230307420
    Abstract: A stack type semiconductor device including a first wafer and a second wafer. The first wafer including at least one first chip. The second wafer including at least one second chip electrically connected with the first chip. Each of the first and second chips including a test circuit block, at least one test bonding pad and a hybrid boning member. The test circuit block performing a test operation based on a test signal. The test bonding pad arranged on a bonding surface of each of the first and second chips to transmit the test signal and signals for driving the test circuit block between the first and second chips. The hybrid bonding member electrically connected between the test bonding pads.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 28, 2023
    Applicant: SK hynix Inc.
    Inventor: Seong Hwi SONG
  • Patent number: 9595498
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: March 14, 2017
    Assignee: SK HYNIX INC.
    Inventors: Chang Kun Park, Seong Hwi Song, Yong Ju Kim, Sung Woo Han, Hee Woong Song, Ic Su Oh, Hyung Soo Kim, Tae Jin Hwang, Hae Rang Choi, Ji Wang Lee, Jae Min Jang
  • Publication number: 20160104684
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Application
    Filed: December 7, 2015
    Publication date: April 14, 2016
    Inventors: Chang Kun PARK, Seong Hwi SONG, Yong Ju KIM, Sung Woo HAN, Hee Woong SONG, Ic Su OH, Hyung Soo KIM, Tae Jin HWANG, Hae Rang CHOI, Ji Wang LEE, Jae Min JANG
  • Patent number: 9209145
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: December 8, 2015
    Assignee: SK Hynix Inc.
    Inventors: Chang Kun Park, Seong Hwi Song, Yong Ju Kim, Sung Woo Han, Hee Woong Song, Ic Su Oh, Hyung Soo Kim, Tae Jin Hwang, Hae Rang Choi, Ji Wang Lee, Jae Min Jang
  • Patent number: 9190372
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: November 17, 2015
    Assignee: SK Hynix Inc.
    Inventors: Chang Kun Park, Seong Hwi Song, Yong Ju Kim, Sung Woo Han, Hee Woong Song, Ic Su Oh, Hyung Soo Kim, Tae Jin Hwang, Hae Rang Choi, Ji Wang Lee, Jae Min Jang
  • Patent number: 9071247
    Abstract: A semiconductor device includes: a main driving unit configured to receive an output data and to drive the received data to a data output pad; a pre-emphasis data generation unit configured to compare a delayed data obtained by delaying the output data by one data period with the output data, to delay the comparison result by one data period, and to output the delayed data as pre-emphasis data; and a pre-emphasis driving unit configured to receive the pre-emphasis data and to drive the received data to the data output pad.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: June 30, 2015
    Assignee: SK Hynix Inc.
    Inventor: Seong-Hwi Song
  • Publication number: 20150076703
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Application
    Filed: November 21, 2014
    Publication date: March 19, 2015
    Inventors: Chang Kun PARK, Seong Hwi SONG, Yong Ju KIM, Sung Woo HAN, Hee Woong SONG, Ic Su OH, Hyung Soo KIM, Tae Jin HWANG, Hae Rang CHOI, Ji Wang LEE, Jae Min JANG
  • Publication number: 20150076614
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Application
    Filed: November 21, 2014
    Publication date: March 19, 2015
    Inventors: Chang Kun PARK, Seong Hwi SONG, Yong Ju KIM, Sung Woo HAN, Hee Woong SONG, Ic Su OH, Hyung Soo KIM, Tae Jin HWANG, Hae Rang CHOI, Ji Wang LEE, Jae Min JANG
  • Patent number: 8922240
    Abstract: A termination circuit includes: a pull-up termination unit configured to pull-up terminate an interface node in response to a pull-up signal; a pull-down termination unit configured to pull-down terminate the interface node in response to a pull-down signal; one or more pull-up resistors connected to the interface node and enabled to affect termination resistance in response to a pull-up setting value when a termination signal is activated; and one or more pull-down resistors connected to the interface node and enabled to affect termination resistance in response to a pull-down setting value when the termination signal is activated.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: December 30, 2014
    Assignee: SK Hynix Inc.
    Inventor: Seong-Hwi Song
  • Patent number: 8916975
    Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power.
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: December 23, 2014
    Assignee: Hynix Semiconductor Inc.
    Inventors: Chang Kun Park, Seong Hwi Song, Yong Ju Kim, Sung Woo Han, Hee Woong Song, Ic Su Oh, Hyung Soo Kim, Tae Jin Hwang, Hae Rang Choi, Ji Wang Lee, Jae Min Jang
  • Publication number: 20130162288
    Abstract: A termination circuit includes: a pull-up termination unit configured to pull-up terminate an interface node in response to a pull-up signal; a pull-down termination unit configured to pull-down terminate the interface node in response to a pull-down signal; one or more pull-up resistors connected to the interface node and enabled to affect termination resistance in response to a pull-up setting value when a termination signal is activated; and one or more pull-down resistors connected to the interface node and enabled to affect termination resistance in response to a pull-down setting value when the termination signal is activated.
    Type: Application
    Filed: September 7, 2012
    Publication date: June 27, 2013
    Inventor: Seong-Hwi SONG
  • Publication number: 20130113521
    Abstract: A semiconductor device includes: a main driving unit configured to receive an output data and to drive the received data to a data output pad; a pre-emphasis data generation unit configured to compare a delayed data obtained by delaying the output data by one data period with the output data, to delay the comparison result by one data period, and to output the delayed data as pre-emphasis data; and a pre-emphasis driving unit configured to receive the pre-emphasis data and to drive the received data to the data output pad.
    Type: Application
    Filed: September 11, 2012
    Publication date: May 9, 2013
    Inventor: Seong-Hwi SONG
  • Patent number: 8344752
    Abstract: A semiconductor integrated circuit includes an impedance control signal generation block configured to transmit first impedance control signals and second impedance control signals through same signal lines at predetermined time intervals, and input/output blocks configured to separately receive the first impedance control signals and the second impedance control signals at corresponding time intervals and perform a data input/output operation based on set impedance.
    Type: Grant
    Filed: December 31, 2010
    Date of Patent: January 1, 2013
    Assignee: SK Hynix Inc.
    Inventor: Seong Hwi Song
  • Patent number: 8125841
    Abstract: An apparatus for generating an output data strobe signal include a timing control unit configured to detect a specific data pattern and to generate a plurality of timing control signals corresponding to the detected data pattern in response to a clock signal; and a strobe signal generating unit configured to generate at least one strobe signal in response to the clock signal, and to adjust transition timings of the strobe signal in response to the timing control signals.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: February 28, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventor: Seong-Hwi Song
  • Publication number: 20110291700
    Abstract: A semiconductor integrated circuit includes an impedance control signal generation block configured to transmit first impedance control signals and second impedance control signals through same signal lines at predetermined time intervals, and input/output blocks configured to separately receive the first impedance control signals and the second impedance control signals at corresponding time intervals and perform a data input/output operation based on set impedance.
    Type: Application
    Filed: December 31, 2010
    Publication date: December 1, 2011
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventor: Seong Hwi SONG
  • Patent number: 8024627
    Abstract: A semiconductor memory device including a plurality of banks, each including a plurality of memory cells, a pattern signal generator configured to generate pattern signals having combinations in response to an input signal applied through an arbitrary pad in a compression test mode. Input paths are configured to transfer the plurality of pattern signals to the corresponding banks.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: September 20, 2011
    Assignee: Hynix Semiconductor Inc.
    Inventor: Seong-Hwi Song