Patents by Inventor Joon SON

Joon SON 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: 20180144534
    Abstract: Provided is a method of visualizing a plurality of nodes respectively including a plurality of variable values for a data object. The method includes: allocating a predetermined upper limit value and a predetermined lower limit value for each of a plurality of variables to vertices of a three-dimensional polygon facing each other; respectively determining partial positions related to the variables for the nodes based on the upper limit value and the lower limit value for each of the variables, a maximum variable value and a minimum variable value for each variable from among variable values of the nodes, and the variable values of the nodes; respectively determining final positions of the nodes in the three-dimensional polygon based on the determined partial positions; and arranging the nodes in the three-dimensional polygon according to the determined final positions.
    Type: Application
    Filed: November 24, 2017
    Publication date: May 24, 2018
    Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Kyung Won LEE, Hyo Ji HA, Hyun Woo HAN, Sung Yun BAE, Ji Hye LEE, Chang Hyung HONG, Sang Joon SON, Hyun Jung SHIN
  • Patent number: 9899091
    Abstract: There are provided a high voltage switch circuit and a semiconductor memory device including the same. A high voltage switch circuit may include a switching circuit including a first depletion transistor and a first high voltage transistor, which are coupled in series between an input terminal and an output terminal, and a control signal generator for applying, to the first depletion transistor, a control signal having the same potential level as an input voltage applied to the input terminal, in response to a first enable signal and a second enable signal.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: February 20, 2018
    Assignee: SK hynix Inc.
    Inventors: Yeong Joon Son, Jin Su Park
  • Publication number: 20180002287
    Abstract: A condensed cyclic compound represented by Formula 1: Ar1-(L1)a1-B-(L2)a2-Ar2??Formula 1 wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Application
    Filed: June 26, 2017
    Publication date: January 4, 2018
    Inventors: Hyun Sik CHAE, Kyungdoc KIM, Sae Youn LEE, Soonok JEON, Hiroshi MIYAZAKI, Masaki NUMATA, Youngmin NAM, Tae-Rae KIM, In Koo KIM, Won-Joon SON, Won Seok OH, Younsuk CHOI, Sunghan KIM, Jeong-Ju CHO
  • Patent number: 9859009
    Abstract: There are provided a high voltage switch circuit and a semiconductor memory device including the same. A high voltage switch circuit may include a switching circuit including a first depletion transistor and a first high voltage transistor, which are coupled in series between an input terminal and an output terminal, and a control signal generator for applying, to the first depletion transistor, a control signal having the same potential level as an input voltage applied to the input terminal, in response to a first enable signal and a second enable signal.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: January 2, 2018
    Assignee: SK hynix Inc.
    Inventors: Yeong Joon Son, Jin Su Park
  • Patent number: 9786371
    Abstract: Provided herein are a power-on reset circuit and a semiconductor memory device including the same. The power-on reset circuit may include: a voltage dividing circuit suitable for dividing an external power supply voltage to output a reference voltage, an output node control circuit suitable for controlling a potential level of an output node to an external power supply voltage level or a ground power supply voltage level in response to the reference voltage, and a buffer circuit suitable for buffering the potential level of the output node to output a power-on reset signal. In the voltage dividing circuit, a potential level of the reference voltage in a power up period is different from a potential level of the reference voltage in a power down period.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: October 10, 2017
    Assignee: SK Hynix Inc.
    Inventors: Hyun Chul Lee, Yeong Joon Son
  • Publication number: 20170287562
    Abstract: There are provided a high voltage switch circuit and a semiconductor memory device including the same. A high voltage switch circuit may include a switching circuit including a first depletion transistor and a first high voltage transistor, which are coupled in series between an input terminal and an output terminal, and a control signal generator for applying, to the first depletion transistor, a control signal having the same potential level as an input voltage applied to the input terminal, in response to a first enable signal and a second enable signal.
    Type: Application
    Filed: June 22, 2017
    Publication date: October 5, 2017
    Applicant: SK hynix Inc.
    Inventors: Yeong Joon SON, Jin Su PARK
  • Publication number: 20170287563
    Abstract: There are provided a high voltage switch circuit and a semiconductor memory device including the same. A high voltage switch circuit may include a switching circuit including a first depletion transistor and a first high voltage transistor, which are coupled in series between an input terminal and an output terminal, and a control signal generator for applying, to the first depletion transistor, a control signal having the same potential level as an input voltage applied to the input terminal, in response to a first enable signal and a second enable signal.
    Type: Application
    Filed: June 22, 2017
    Publication date: October 5, 2017
    Applicant: SK hynix Inc.
    Inventors: Yeong Joon SON, Jin Su PARK
  • Patent number: 9721667
    Abstract: There are provided a high voltage switch circuit and a semiconductor memory device including the same. A high voltage switch circuit may include a switching circuit including a first depletion transistor and a first high voltage transistor, which are coupled in series between an input terminal and an output terminal, and a control signal generator for applying, to the first depletion transistor, a control signal having the same potential level as an input voltage applied to the input terminal, in response to a first enable signal and a second enable signal.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: August 1, 2017
    Assignee: SK hynix Inc.
    Inventors: Yeong Joon Son, Jin Su Park
  • Publication number: 20170206032
    Abstract: A method for operating a data storage device including a plurality of memory regions. The method includes performing a read operation for a first memory region, increasing a read count based on read sequences of the first memory region and a second memory region which has been read before the read operation for the first memory region, and performing a management operation for the plurality of memory regions based on the read count.
    Type: Application
    Filed: July 22, 2016
    Publication date: July 20, 2017
    Inventor: Ik Joon SON
  • Patent number: 9705106
    Abstract: A flexible organic light emitting display and a method of fabricating the same are disclosed in which flexible organic light emitting display may be realized without a plastic based substrate, and at the same time an ideal WVTR characteristic level for stably driving an organic light emitting element without deterioration may be realized. The flexible organic light emitting display comprises a first ultra-thin film glass substrate that includes aluminum silicide; a thin film transistor (TFT) device arranged on the first ultra-thin film glass substrate; and an organic light emitting element arranged on the TFT element.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: July 11, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hae Joon Son, Joung Ho Ryu, Sie Hyug Choi
  • Patent number: 9663447
    Abstract: Provided are an asymmetric butadiene-based charge transporting compound represented by one of Formula (1) and (1?) as in claim 1, an electrophotographic photoreceptor including the asymmetric butadiene-based charge transporting compound, and an electrophotographic imaging apparatus. The electrophotographic photoreceptor including the organic photoconductive material as a charge transporting material may not cause a problem, such as partial crystallization during film formation and may have a high charge potential, a sufficient photoresponsive property with high sensitivity, and a high durability. Moreover, these properties may be all maintained even in the case of exposure to light as well as use in low-temperature environments or high-speed processes, thus having high reliability.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: May 30, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Akihiro Kondo, Satoshi Katayama, Young-min Nam, Won-joon Son, Chan-hee Lee, Sang-heum Hwang
  • Patent number: 9620053
    Abstract: The present invention relates to a technique for outputting threshold voltages by properly changing the threshold voltages such that the threshold voltages can protect low-voltage driving elements within an analog to digital converter when the threshold voltages of an OLED display panel are sensed and outputted to the analog to digital converter. The present invention comprises: a sampling capacitor which samples threshold voltages sensed and inputted from an organic light-emitting diode on a display panel; a charge-sharing capacitor which charges and shares the threshold voltages sampled from the sampling capacitor, or solely charges the threshold voltages to bypass the threshold voltages; and a sample-and-hold unit which has a plurality of switches for performing switching operations for the sampling operation of the sampling capacitor and the charging and the sharing of the charge-sharing capacitor, and scales the threshold voltages to threshold voltage areas having a certain value or less.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: April 11, 2017
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Ji-Hun Kim, Hae-Won Lee, Kyoung-Jik Min, Yeong-Joon Son
  • Publication number: 20170084339
    Abstract: There are provided a high voltage switch circuit and a semiconductor memory device including the same. A high voltage switch circuit may include a switching circuit including a first depletion transistor and a first high voltage transistor, which are coupled in series between an input terminal and an output terminal, and a control signal generator for applying, to the first depletion transistor, a control signal having the same potential level as an input voltage applied to the input terminal, in response to a first enable signal and a second enable signal.
    Type: Application
    Filed: February 26, 2016
    Publication date: March 23, 2017
    Inventors: Yeong Joon SON, Jin Su PARK
  • Publication number: 20170031751
    Abstract: A data storage device may include a plurality of nonvolatile memory devices including a plurality of blocks and a controller suitable for generating super block parity data for a super block, which is formed of one or more of the plurality of blocks.
    Type: Application
    Filed: December 28, 2015
    Publication date: February 2, 2017
    Inventors: Seung Geol BAEK, Seung Hwan KIM, Jong Hee HAN, Duck Hoi KOO, Ik Joon SON
  • Patent number: 9501239
    Abstract: The present invention relates to a grouping method and device for enhancing redundancy removing performance for a storage unit such as a hard disk, a solid state disk (SSD), etc. The grouping method for enhancing performance of a redundancy removing technology may include: extracting samples from data that is stored in a buffer of a memory and is standing by to be processed; performing remaining calculations on the extracted samples; and grouping samples by connecting them to a bucket corresponding to a resultant value of the remaining calculations.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: November 22, 2016
    Assignee: Industry-University Cooperation Foundation Hanyang University
    Inventors: Soo Yong Kang, You Jip Won, Jae Hyuk Cha, Jong Moo Choi, Sung Roh Yoon, Jong Hwa Kim, Ik Joon Son, Sang Yup Lee
  • Publication number: 20160304437
    Abstract: Provided are an asymmetric butadiene-based charge transporting compound represented by one of Formula (1) and (1?) as in claim 1, an electrophotographic photoreceptor including the asymmetric butadiene-based charge transporting compound, and an electrophotographic imaging apparatus. The electrophotographic photoreceptor including the organic photoconductive material as a charge transporting material may not cause a problem, such as partial crystallization during film formation and may have a high charge potential, a sufficient photoresponsive property with high sensitivity, and a high durability. Moreover, these properties may be all maintained even in the case of exposure to light as well as use in low-temperature environments or high-speed processes, thus having high reliability.
    Type: Application
    Filed: June 27, 2016
    Publication date: October 20, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Akihiro KONDO, Satoshi KATAYAMA, Young-min NAM, Won-joon SON, Chan-hee LEE, Sang-heum HWANG
  • Patent number: 9433965
    Abstract: A sealant forming device, a sealant forming method and a method for manufacturing a liquid crystal display device using the same are disclosed. According to the present invention, a sealant coagulated in a nozzle can be minimized or prevented by performing an instantaneous suction process. A sealant forming device includes a dispenser including a syringe, and a nozzle connected to a lower end of the syringe to discharge a sealant therethrough; a dispensing tube connected to the syringe to apply a pressure to the syringe; and an instantaneous suction tube connected to the syringe to extract the sealant remaining in the nozzle after discharging the sealant.
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: September 6, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Hae Joon Son, In Kyu Lee
  • Patent number: 9373366
    Abstract: A nonvolatile memory device may include a power-on reset signal generation unit suitable for receiving a power supply voltage, and generating a power-on reset signal that changes based on the power supply voltage, and a discharging signal generation unit suitable for generating a discharging signal for discharging a word line to be activated earlier than an activation timing of the power-on reset signal when the power supply voltage decreases.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: June 21, 2016
    Assignee: SK Hynix Inc.
    Inventor: Yeong-Joon Son
  • Publication number: 20160155985
    Abstract: A flexible organic light emitting display and a method of fabricating the same are disclosed in which flexible organic light emitting display may be realized without a plastic based substrate, and at the same time an ideal WVTR characteristic level for stably driving an organic light emitting element without deterioration may be realized. The flexible organic light emitting display comprises a first ultra-thin film glass substrate that includes aluminum silicide; a thin film transistor (TFT) device arranged on the first ultra-thin film glass substrate; and an organic light emitting element arranged on the TFT element.
    Type: Application
    Filed: August 19, 2015
    Publication date: June 2, 2016
    Inventors: Hae Joon SON, Joung Ho RYU, Sie Hyug CHOI
  • Patent number: 9355609
    Abstract: Provided is a malfunction prevention circuit for a COG-form source driver integrated circuit with a power sequence in which a low voltage is applied after a high voltage is applied. The malfunction prevention circuit includes: a level shifter configured to process an input signal using the low voltage and output a control signal using the high voltage; and an initialization circuit configured to initialize the control signal to a constant voltage while an initialization signal is enabled. The initialization signal is enabled during a predetermined time from the time at which the low voltage starts to be applied at the initial stage of the power sequence.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: May 31, 2016
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Yeong Joon Son, Myung Yu Kim