Patents by Inventor Min-Chang Kim

Min-Chang Kim 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: 20170109065
    Abstract: A memory system includes: a first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application to access a data storage memory through the first and second memory devices.
    Type: Application
    Filed: October 13, 2016
    Publication date: April 20, 2017
    Inventors: Min-Chang KIM, Chang-Hyun KIM, Do-Yun LEE, Yong-Woo LEE, Jae-Jin LEE, Hoe-Kwon JUNG
  • Publication number: 20170098477
    Abstract: A first data input circuit receives test data from a first pad to generate first input control data for generating cell input data stored in a memory cell array during a first operation period. A first data output circuit receives first output control data generated from cell output data outputted from the memory cell array to output the first output control data to an internal node coupled to a second pad during a second operation period.
    Type: Application
    Filed: February 18, 2016
    Publication date: April 6, 2017
    Inventors: Min Chang KIM, Chang Hyun KIM, Do Yun LEE, Jae Jin LEE, Hun Sam JUNG
  • Patent number: 9613716
    Abstract: A semiconductor system may include a first semiconductor device including a first pad group. The semiconductor system may include a second semiconductor device including a second pad group which is configured for input and output of signals from and to a third semiconductor device. The second semiconductor device may include a selective transfer unit configured to electrically couple the third pad group to the first pad group or to an interface unit electrically coupled to the first pad group, in response to a test mode enable signal.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: April 4, 2017
    Assignee: SK HYNIX INC.
    Inventors: Min Chang Kim, Woo Yeol Shin, Noh Hyup Kwak
  • Patent number: 9613677
    Abstract: A semiconductor system includes a first semiconductor device and a second semiconductor device. The first semiconductor device outputs an external command and external addresses. The second semiconductor device generates an internal active command in response to the external command, generates active addresses in response to the external addresses, generates a refresh signal and refresh addresses in response to the internal active command, performs an internal operation in response to the internal active command and the active addresses, and performs a refresh operation in response to the refresh signal and the refresh addresses.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: April 4, 2017
    Assignee: SK HYNIX INC.
    Inventors: Hun Sam Jung, Min Chang Kim, Chang Hyun Kim, Do Yun Lee, Jae Jin Lee
  • Publication number: 20170084320
    Abstract: A semiconductor device may include a buffer control signal generation circuit, an input control signal generation circuit and an internal data generation circuit. The buffer control signal generation circuit may be configured to generate a buffer control signal. The buffer control signal may be enabled in synchronization with a point of time that a predetermined section elapses from a point of time that a write command signal is generated. The input control signal generation circuit may be configured to receive a data strobe signal to generate an input control signal, in response to the buffer control signal. The internal data generation circuit may be configured to receive a data signal to generate internal data.
    Type: Application
    Filed: December 1, 2016
    Publication date: March 23, 2017
    Inventors: Min Chang KIM, Chang Hyun KIM, Do Yun LEE, Jae Jin LEE, Hun Sam JUNG
  • Patent number: 9595309
    Abstract: A semiconductor memory device includes a plurality of memory cells coupled to multiple word lines a word line deactivation voltage generation block suitable for generating word line deactivation voltages having different voltage levels corresponding to temperature ranges, and a word line driving block suitable for driving a word line to be deactivated with the word line deactivation voltages selected from the word line deactivation voltages.
    Type: Grant
    Filed: January 18, 2016
    Date of Patent: March 14, 2017
    Assignee: SK Hynix Inc.
    Inventors: Chang-Hyun Kim, Min-Chang Kim, Do-Yun Lee, Jae-Jin Lee, Hun-Sam Jung
  • Publication number: 20170031747
    Abstract: A semiconductor system may include a first semiconductor device and a second semiconductor device. The first semiconductor device may output an external strobe signal and external data. The second semiconductor device may extract error information from the external data in synchronization with the external strobe signal during a write operation and outputs the external data and the error information through input/output (I/O) lines during the write operation. The second semiconductor device may correct errors of internal data with the error information loaded on the I/O lines to output the corrected internal data as the external data during a read operation.
    Type: Application
    Filed: November 20, 2015
    Publication date: February 2, 2017
    Inventors: Chang Hyun KIM, Min Chang KIM, Do Yun LEE, Jae Jin LEE, Hun Sam JUNG
  • Publication number: 20170032828
    Abstract: A semiconductor system includes a first semiconductor device and a second semiconductor device. The first semiconductor device outputs data, a data strobe signal, an external command, and a clock signal. The second semiconductor device aligns the data in synchronization with the data strobe signal to generate first and second alignment data and latches the first and second alignment data to generate first and second latch data in response to a latch signal which is generated by dividing the data strobe signal.
    Type: Application
    Filed: August 18, 2016
    Publication date: February 2, 2017
    Inventors: Min Chang KIM, Chang Hyun KIM, Do Yun LEE, Jae Jin LEE, Hun Sam JUNG
  • Publication number: 20170025162
    Abstract: A semiconductor memory device includes a plurality of memory cells coupled to multiple word lines a word line deactivation voltage generation block suitable for generating word line deactivation voltages having different voltage levels corresponding to temperature ranges, and a word line driving block suitable for driving a word line to be deactivated with the word line deactivation voltages selected from the word line deactivation voltages.
    Type: Application
    Filed: January 18, 2016
    Publication date: January 26, 2017
    Inventors: Chang-Hyun KIM, Min-Chang KIM, Do-Yun LEE, Jae-Jin LEE, Hun-Sam JUNG
  • Patent number: 9542983
    Abstract: A semiconductor device may include a buffer control signal generation circuit, an input control signal generation circuit and an internal data generation circuit. The buffer control signal generation circuit may be configured to generate a buffer control signal. The buffer control signal may be enabled in synchronization with a point of time that a predetermined section elapses from a point of time that a write command signal is generated. The input control signal generation circuit may be configured to receive a data strobe signal to generate an input control signal, in response to the buffer control signal. The internal data generation circuit may be configured to receive a data signal to generate internal data.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: January 10, 2017
    Assignee: SK HYNIX INC.
    Inventors: Min Chang Kim, Chang Hyun Kim, Do Yun Lee, Jae Jin Lee, Hun Sam Jung
  • Publication number: 20160372173
    Abstract: A semiconductor device may include a buffer control signal generation circuit, an input control signal generation circuit and an internal data generation circuit. The buffer control signal generation circuit may be configured to generate a buffer control signal. The buffer control signal may be enabled in synchronization with a point of time that a predetermined section elapses from a point of time that a write command signal is generated. The input control signal generation circuit may be configured to receive a data strobe signal to generate an input control signal, in response to the buffer control signal. The internal data generation circuit may be configured to receive a data signal to generate internal data.
    Type: Application
    Filed: October 14, 2015
    Publication date: December 22, 2016
    Inventors: Min Chang KIM, Chang Hyun KIM, Do Yun LEE, Jae Jin LEE, Hun Sam JUNG
  • Publication number: 20160322118
    Abstract: A parallel test device and method are disclosed, which relates to a technology for performing a multi-bit parallel test by compressing data. The parallel test device includes: a pad unit through which data input/output (I/O) operations are achieved; a plurality of input buffers configured to activate write data received from the pad unit in response to a buffer enable signal, and output the write data to a global input/output (GIO) line; a plurality of output drivers configured to activate read data received from the global I/O (GIO) line in response to a strobe delay signal, and output the read data to the pad unit; and a test controller configured to activate the buffer enable signal and the strobe delay signal during a test mode in a manner that the read data received from the plurality of output drivers is applied to the plurality of input buffers such that the read data is operated as the write data.
    Type: Application
    Filed: July 11, 2016
    Publication date: November 3, 2016
    Inventor: Min Chang KIM
  • Publication number: 20160300625
    Abstract: A semiconductor apparatus may include a first data processing block electrically coupled between a first input/output pad array and a first memory array. The semiconductor apparatus may include a second data processing block electrically coupled between a second input/output pad array and a second memory array. The first test verification data and second test verification data may be generated by causing data to be respectively outputted from the first memory array and the second memory array to pass through the first data processing block and the second data processing block, according to a read command and a plurality of control signals. The first test verification data and the second test verification data may be respectively written again in the first memory array and the second memory array. A result of comparing the first test verification data and the second test verification data may be outputted through the first input/output pad array.
    Type: Application
    Filed: June 18, 2015
    Publication date: October 13, 2016
    Inventor: Min Chang KIM
  • Patent number: 9449665
    Abstract: A semiconductor system includes a first semiconductor device and a second semiconductor device. The first semiconductor device outputs data, a data strobe signal, an external command, and a clock signal. The second semiconductor device aligns the data in synchronization with the data strobe signal to generate first and second alignment data and latches the first and second alignment data to generate first and second latch data in response to a latch signal which is generated by dividing the data strobe signal.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: September 20, 2016
    Assignee: SK hynix Inc.
    Inventors: Min Chang Kim, Chang Hyun Kim, Do Yun Lee, Jae Jin Lee, Hun Sam Jung
  • Patent number: 9425437
    Abstract: A method of manufacturing an organic light-emitting diode (OLED) display is disclosed. In one aspect, the method includes forming an OLED over a first substrate and forming a sealing member over the first substrate or a second substrate opposite to the first substrate, to at least partially surround the OLED, wherein a plurality of holes are defined in a first region of the sealing member. The method further includes aligning the first and second substrates with the sealing member interposed therebetween and irradiating a laser beam along a path of the sealing member.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: August 23, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Min-Chang Kim
  • Patent number: 9423456
    Abstract: A parallel test device and method are disclosed, which relates to a technology for performing a multi-bit parallel test by compressing data. The parallel test device includes: a pad unit through which data input/output (I/O) operations are achieved; a plurality of input buffers configured to activate write data received from the pad unit in response to a buffer enable signal, and output the write data to a global input/output (GIO) line; a plurality of output drivers configured to activate read data received from the global I/O (GIO) line in response to a strobe delay signal, and output the read data to the pad unit; and a test controller configured to activate the buffer enable signal and the strobe delay signal during a test mode in a manner that the read data received from the plurality of output drivers is applied to the plurality of input buffers such that the read data is operated as the write data.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: August 23, 2016
    Assignee: Sk hynix Inc.
    Inventor: Min Chang Kim
  • Patent number: 9418757
    Abstract: This technique may include a semiconductor apparatus configured to perform data read/write operations in a test mode or a normal mode and a tester configured to simultaneously perform a data test and a leakage current test through a write operation using data read by a read operation in the normal mode after writing data into the semiconductor apparatus in the test mode.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: August 16, 2016
    Assignee: SK hynix Inc.
    Inventor: Min Chang Kim
  • Publication number: 20160173990
    Abstract: A microspeaker includes a frame, magnetic circuit, voice coil configured to generate vibration by mutual electromagnetic force with the magnetic circuit, vibration plate configured to vibrate together according to the vibration of the voice coil to generate a sound, and suspension configured to guide a vibration direction of the vibration plate and voice coil. The suspension has a central portion attached to the voice coil, an annular outer circumferential portion formed to be spaced apart from the central portion by a predetermined interval, and a connection portion connecting the central and outer circumferential portions and configured to perform a damping function. The central portion has an outer end having the same height as the connection and outer circumferential portions, an inner end positioned to be higher than the outer end, and a step portion connecting the outer end and inner end. The voice coil is attached to the inner end.
    Type: Application
    Filed: December 14, 2015
    Publication date: June 16, 2016
    Inventors: Kil Dong Park, Seul Ki Nam, Ji Hoon Kim, Min Chang Kim
  • Publication number: 20160141557
    Abstract: A method of manufacturing an organic light-emitting diode (OLED) display is disclosed. In one aspect, the method includes forming an OLED over a first substrate and forming a sealing member over the first substrate or a second substrate opposite to the first substrate, to at least partially surround the OLED, wherein a plurality of holes are defined in a first region of the sealing member. The method further includes aligning the first and second substrates with the sealing member interposed therebetween and irradiating a laser beam along a path of the sealing member.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 19, 2016
    Inventor: Min-Chang Kim
  • Publication number: 20160064101
    Abstract: A semiconductor system may include a first semiconductor device including a first pad group. The semiconductor system may include a second semiconductor device including a second pad group which is configured for input and output of signals from and to a third semiconductor device. The second semiconductor device may include a selective transfer unit configured to electrically couple the third pad group to the first pad group or to an interface unit electrically coupled to the first pad group, in response to a test mode enable signal.
    Type: Application
    Filed: December 12, 2014
    Publication date: March 3, 2016
    Inventors: Min Chang KIM, Woo Yeol SHIN, Noh Hyup KWAK