Patents by Inventor Je Il Ryu

Je Il Ryu 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: 9177987
    Abstract: A binary complementary metal-oxide-semiconductor (CMOS) image sensor includes a pixel array and a readout circuit. The pixel array includes at least one pixel having a plurality of sub-pixels. The readout circuit is configured to quantize a pixel signal output from the pixel using a reference signal. The pixel signal corresponds to sub-pixel signals output from sub-pixels, from among the plurality of sub-pixels, activated in response to incident light.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: November 3, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Yon Lee, Ju Hwan Jung, Seok Yong Hong, Tae-Chan Kim, Dong Ki Min, Yoon Dong Park, Sang-Chul Sul, Tae-Seok Oh, Je Il Ryu, Kwang-Hyun Lee, Young-Gu Jin
  • Patent number: 8994440
    Abstract: A voltage select circuit includes a plurality of first transfer elements configured to transfer respective operating voltages to a first output terminal, a transfer select circuit unit configured to output a first voltage necessary to transfer an operating voltage, selected from among the operating voltages, to at least one first transfer element in response to a plurality of enable signals, and a control circuit configured to boost the first voltage to a second voltage in response to the plurality of enable signals.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: March 31, 2015
    Assignee: SK Hynix Inc.
    Inventor: Je Il Ryu
  • Patent number: 8976605
    Abstract: A high voltage generation circuit includes a plurality of pumps configured to generate a final pump voltage, a plurality of switches configured to couple the pumps to various nodes, a voltage division circuit configured to divide the final pump voltage from the pumps interconnected by the switches, and outputting a divided voltage, a section signal generation circuit configured to generate a plurality of section signals by comparing the divided voltage with each of different reference voltages, and a section signal combination circuit configured to generate enable signals for controlling the switches by combining the section signals.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: March 10, 2015
    Assignee: SK Hynix Inc.
    Inventor: Je Il Ryu
  • Publication number: 20140367756
    Abstract: The capacitor of a nonvolatile memory device includes first and second electrodes formed in the capacitor region of a semiconductor substrate to respectively have consecutive concave and convex shape of side surfaces formed along each other and a dielectric layer formed between the first and the second electrodes.
    Type: Application
    Filed: September 3, 2014
    Publication date: December 18, 2014
    Inventor: Je Il RYU
  • Patent number: 8872489
    Abstract: A regulator includes a current path unit coupled between an input terminal and a ground terminal and including a first current determination unit coupled between the input terminal and a control node and configured to supply the high voltage to the control node so that a first or second current path is selected depending on a voltage of the control node, and a second current determination unit coupled between the control node and the ground terminal and configured to control the voltage of the control node depending on an input voltage, a voltage supply unit configured to supply the high voltage to an output terminal depending on the voltage of the control node, a voltage division unit configured to create a division voltage, and an amplification unit configured to amplify a difference between the division voltage and a first reference voltage.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: October 28, 2014
    Assignee: SK Hynix Inc.
    Inventor: Je Il Ryu
  • Patent number: 8867299
    Abstract: A non-volatile memory device includes a plurality of memory blocks, first block switches configured to correspond to the respective odd-numbered memory blocks of the plurality of memory blocks and couple the word lines of the odd-numbered memory blocks and first local lines, second block switches configured to correspond to the respective even-numbered memory blocks of the plurality of memory blocks and couple the word lines of the even-numbered memory blocks and second local lines, a local line switch unit configured to selectively couple the first local lines or the second local lines and global word lines, and a high voltage generator configured to supply operating voltages to the global word lines.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: October 21, 2014
    Assignee: SK Hynix Inc.
    Inventors: Je Il Ryu, Duck Ju Kim
  • Patent number: 8853823
    Abstract: The capacitor of a nonvolatile memory device includes first and second electrodes formed in the capacitor region of a semiconductor substrate to respectively have consecutive concave and convex shape of side surfaces formed along each other and a dielectric layer formed between the first and the second electrodes.
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: October 7, 2014
    Assignee: SK Hynix Inc.
    Inventor: Je il Ryu
  • Patent number: 8816668
    Abstract: A semiconductor circuit includes a control signal generation circuit configured to generate control signals in response to a voltage characteristic determination signal and a reference voltage generation circuit configured to output a main reference voltage, having one of a first characteristic of being proportional to temperature, a second characteristic of being constant irrespective of temperature, and a third characteristic of being inversely proportional to temperature, in response to the control signals.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: August 26, 2014
    Assignee: SK Hynix Inc.
    Inventor: Je Il Ryu
  • Patent number: 8742837
    Abstract: A semiconductor device includes a high voltage generator for generating a high voltage by raising a power source voltage, a transfer circuit for transferring the high voltage to an internal circuit in response to a transfer signal, and a first discharge circuit for discharging the high voltage of an output node of the high voltage generator or the high voltage of an input node or output node of the transfer circuit when the power source voltage drops.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: June 3, 2014
    Assignee: SK Hynix Inc.
    Inventor: Je Il Ryu
  • Patent number: 8724412
    Abstract: A voltage supply circuit includes a high voltage generator configured to generate an operating voltage, a global word line switch configured to transfer the operating voltage to global word lines, a plurality of local line switches coupled to the global word lines and configured to transfer the operating voltage to corresponding local word lines, a precharge unit configured to supply a precharge voltage to an unselect local line switch adjacent to a select local line switch to which the operating voltage will be supplied, from among the plurality of local line switches, in a preparation section before an operation is started, and a coupling unit configured to couple the unselect local line switch and the global word line switch when the operation is started.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: May 13, 2014
    Assignee: SK Hynix Inc.
    Inventors: Pil Seon Yoo, Je Il Ryu, Duck Ju Kim
  • Publication number: 20140103192
    Abstract: A binary complementary metal-oxide-semiconductor (CMOS) image sensor includes a pixel array and a readout circuit. The pixel array includes at least one pixel having a plurality of sub-pixels. The readout circuit is configured to quantize a pixel signal output from the pixel using a reference signal. The pixel signal corresponds to sub-pixel signals output from sub-pixels, from among the plurality of sub-pixels, activated in response to incident light.
    Type: Application
    Filed: October 10, 2013
    Publication date: April 17, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tae-Yon LEE, Ju Hwan JUNG, Seok Yong HONG, Tae-Chan KIM, Dong Ki MIN, Yoon Dong PARK, Sang-Chul SUL, Tae-Seok OH, Je Il RYU, Kwang-Hyun LEE, Young-Gu JIN
  • Publication number: 20140028276
    Abstract: An internal voltage generator includes a comparison unit configured to compare a voltage level of a feedback voltage with a reference voltage to generate an enable signal based on a result of the comparison; an internal voltage generation unit configured to generate an internal voltage in response to the enable signal; a voltage detection unit configured to generate a control signal by detecting a voltage level of a power source voltage; and a feedback unit configured to generate the feedback voltage by dividing the internal voltage at a given resistance ratio, wherein the feedback unit continuously maintains a difference between the voltage levels of the power source voltage and the internal voltage in response to the control signal.
    Type: Application
    Filed: December 17, 2012
    Publication date: January 30, 2014
    Applicant: SK HYNIX INC.
    Inventor: Je-Il RYU
  • Patent number: 8519779
    Abstract: A voltage supply circuit includes, inter alia, a clock generator, a negative voltage pump, a level shifter, a clock controller, and a pump circuit. The clock generator generates a first clock swinging between a positive voltage and a ground voltage. The negative voltage pump generates a negative voltage. A level shifter shifts the first clock by the negative voltage to output a second clock swinging between the negative voltage and the ground voltage. The clock controller generates a third clock by inverting the second clock and also generates a fourth clock by inverting the third clock. The pump circuit generates a high voltage according to the third and fourth clocks.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: August 27, 2013
    Assignee: SK Hynix Inc.
    Inventor: Je Il Ryu
  • Publication number: 20130106491
    Abstract: A voltage select circuit includes a plurality of first transfer elements configured to transfer respective operating voltages to a first output terminal, a transfer select circuit unit configured to output a first voltage necessary to transfer an operating voltage, selected from among the operating voltages, to at least one first transfer element in response to a plurality of enable signals, and a control circuit configured to boost the first voltage to a second voltage in response to the plurality of enable signals.
    Type: Application
    Filed: June 4, 2012
    Publication date: May 2, 2013
    Applicant: SK HYNIX INC.
    Inventor: Je Il RYU
  • Publication number: 20130106483
    Abstract: A semiconductor device includes a high voltage generator for generating a high voltage by raising a power source voltage, a transfer circuit for transferring the high voltage to an internal circuit in response to a transfer signal, and a first discharge circuit for discharging the high voltage of an output node of the high voltage generator or the high voltage of an input node or output node of the transfer circuit when the power source voltage drops.
    Type: Application
    Filed: August 31, 2012
    Publication date: May 2, 2013
    Applicant: SK HYNIX INC.
    Inventor: Je Il RYU
  • Publication number: 20130083573
    Abstract: A regulator includes a current path unit coupled between an input terminal and a ground terminal and including a first current determination unit coupled between the input terminal and a control node and configured to supply the high voltage to the control node so that a first or second current path is selected depending on a voltage of the control node, and a second current determination unit coupled between the control node and the ground terminal and configured to control the voltage of the control node depending on an input voltage, a voltage supply unit configured to supply the high voltage to an output terminal depending on the voltage of the control node, a voltage division unit configured to create a division voltage, and an amplification unit configured to amplify a difference between the division voltage and a first reference voltage.
    Type: Application
    Filed: August 31, 2012
    Publication date: April 4, 2013
    Applicant: SK hynix Inc.
    Inventor: Je Il RYU
  • Publication number: 20130083614
    Abstract: A voltage supply circuit includes a high voltage generator configured to generate an operating voltage, a global word line switch configured to transfer the operating voltage to global word lines, a plurality of local line switches coupled to the global word lines and configured to transfer the operating voltage to corresponding local word lines, a precharge unit configured to supply a precharge voltage to an unselect local line switch adjacent to a select local line switch to which the operating voltage will be supplied, from among the plurality of local line switches, in a preparation section before an operation is started, and a coupling unit configured to couple the unselect local line switch and the global word line switch when the operation is started.
    Type: Application
    Filed: September 13, 2012
    Publication date: April 4, 2013
    Applicant: SK HYNIX INC.
    Inventors: Pil Seon YOO, Je Il RYU, Duck Ju KIM
  • Publication number: 20130070552
    Abstract: A non-volatile memory device includes a plurality of memory blocks, first block switches configured to correspond to the respective odd-numbered memory blocks of the plurality of memory blocks and couple the word lines of the odd-numbered memory blocks and first local lines, second block switches configured to correspond to the respective even-numbered memory blocks of the plurality of memory blocks and couple the word lines of the even-numbered memory blocks and second local lines, a local line switch unit configured to selectively couple the first local lines or the second local lines and global word lines, and a high voltage generator configured to supply operating voltages to the global word lines.
    Type: Application
    Filed: June 4, 2012
    Publication date: March 21, 2013
    Applicant: SK HYNIX INC.
    Inventors: Je Il RYU, Duck Ju KIM
  • Publication number: 20130051159
    Abstract: A high voltage generation circuit includes a plurality of pumps configured to generate a final pump voltage, a plurality of switches configured to couple the pumps to various nodes, a voltage division circuit configured to divide the final pump voltage from the pumps interconnected by the switches, and outputting a divided voltage, a section signal generation circuit configured to generate a plurality of section signals by comparing the divided voltage with each of different reference voltages, and a section signal combination circuit configured to generate enable signals for controlling the switches by combining the section signals.
    Type: Application
    Filed: July 16, 2012
    Publication date: February 28, 2013
    Applicant: SK HYNIX INC.
    Inventor: Je Il RYU
  • Patent number: 8371749
    Abstract: A temperature sensor includes a compare subject voltage output unit, a temperature range decision unit, and a temperature signal output unit. The compare subject voltage output unit is configured to output a reference voltage having a constant value irrespective of a change of an external temperature and a third temperature voltage that decreases in response to an increase of an external temperature. The temperature range decision unit is configured to compare the reference voltage and the third temperature voltage, and output an enable signal, to indicate whether the external temperature is different from a normal temperature. The temperature signal output unit is configured to output a specific one of a plurality of high temperature signals or a specific one of a plurality of low temperature signals, to indicate a range of the external temperature, in response to the enable signal.
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: February 12, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventor: Je-Il Ryu