Patents by Inventor Yong Il Kwon

Yong Il Kwon 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: 20150346879
    Abstract: A touch sensing apparatus may include a driving signal generating circuit including a first switch and a second switch and providing driving signals to a first node of a node capacitor, the driving signals being generated by switching operations of the first switch and the second switch, and a C-V converting circuit including a buffer circuit having a first feedback capacitor and a third switch disposed between a second node of the node capacitor and the first feedback capacitor and transferring a charging voltage of the node capacitor to the first feedback capacitor through a switching operation of the third switch to generate an output voltage. The buffer circuit further includes a fourth switch disposed between the second node of the node capacitor and a current source, and the fourth switch is turned on in an off operation section of the third switch.
    Type: Application
    Filed: May 26, 2015
    Publication date: December 3, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Moon Suk JEONG, Yong Il KWON, Tah Joon PARK, Byeong Hak JO
  • Publication number: 20150311298
    Abstract: A semiconductor device includes a lower insulating pattern on a semiconductor substrate, a lower gate pattern on the lower insulating pattern and formed of a doped polysilicon layer, a residual insulating pattern with an opening exposing a portion of a top surface of the lower gate pattern, an upper gate pattern on the residual insulating pattern, the upper gate pattern filling the opening, and a diffusion barrier pattern in contact with the portion of the top surface of the lower gate pattern and extending between the residual insulating pattern and the upper gate pattern.
    Type: Application
    Filed: June 16, 2015
    Publication date: October 29, 2015
    Inventors: Hauk Han, Yong-IL Kwon, JungSuk Oh, Tae sun Ryu, Jeonggil Lee
  • Patent number: 9170688
    Abstract: There are provided an apparatus for sensing capacitance, a method for sensing capacitance, and a touch screen apparatus. The apparatus for sensing capacitance includes; a driving circuit unit applying driving signals to a first capacitor; an integration circuit unit including a second capacitor and a third capacitor respectively charged by a change in capacitance generated in the first capacitor based on the driving signals to generate a predetermined output voltage and calculating a voltage difference between the output voltage of the second capacitor and the output voltage of the third capacitor; and a control unit determining characteristics of a noise signal based on the voltage difference and controlling the driving signals based on the characteristics of the noise signal.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: October 27, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong Il Kwon, Moon Suk Jeong, Byeong Hak Jo, Hyun Suk Lee, Tah Joon Park
  • Patent number: 9170679
    Abstract: There is provided a capacitance sensing apparatus including: a driving circuit unit applying a driving signal to a first capacitor; a first integrating circuit unit including a second capacitor charged by a change in capacitance generated in the first capacitor based on the driving signal to generate a first output voltage; and a second integrating circuit unit including a third capacitor charged by a change in capacitance generated in the second capacitor to generate a second output voltage, wherein a level of the second output voltage is changed at least twice during a single period of the driving signal applied to the first capacitor.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: October 27, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Byeong Hak Jo, Tah Joon Park, Kyung Hee Hong, Moon Suk Jeong, Yong Il Kwon
  • Patent number: 9146643
    Abstract: There are provided a touch sensing apparatus and a touch sensing method. The touch sensing apparatus includes: a panel unit provided with a plurality of electrodes; a sensing circuit unit detecting variations in capacitance in the plurality of electrodes; and a calculating unit determining a touch from the variations in capacitance, wherein the calculating unit applies different parameters for determining the touch to the plurality of individual electrodes. The parameters such as an integration time, a digital signal conversion time, and a driving signal application time are set differently according to positions in which the variations in capacitance are detected, driving efficiency may be improved and power consumption may be significantly reduced.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: September 29, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gyung Hee Hong, Tah Joon Park, Sang Ho Lee, Yong Il Kwon
  • Patent number: 9146646
    Abstract: There is provided an apparatus for generating a driving signal, the apparatus including: a first driving signal generation circuit generating a first driving signal; a second driving signal generation circuit generating a second driving signal, the second driving signal generation circuit including at least two transistors and a pulse generation unit; and a control unit controlling the first and second driving signal generation circuits so that they generate the first and second driving signals selectively.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: September 29, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong Il Kwon, Moon Suk Jeong, Tah Joon Park
  • Patent number: 9103858
    Abstract: There is provided a capacitance sensing apparatus including a driving circuit unit applying a driving signal to a first capacitor at a predetermined interval; and a sensing circuit unit sensing a change in capacitance generated by the first capacitor based on the driving signal, in which a portion of a plurality of switches included in the sensing circuit unit operate at a first interval, the same as the interval of the driving signal, and remaining switches among the plurality of switches operate at a second interval, different from the first interval.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: August 11, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Moon Suk Jeong, Byeong Hak Jo, Kyung Hee Hong, Yong Il Kwon, Tah Joon Park
  • Patent number: 9082653
    Abstract: A semiconductor device includes a lower insulating pattern on a semiconductor substrate, a lower gate pattern on the lower insulating pattern and formed of a doped polysilicon layer, a residual insulating pattern with an opening exposing a portion of a top surface of the lower gate pattern, an upper gate pattern on the residual insulating pattern, the upper gate pattern filling the opening, and a diffusion barrier pattern in contact with the portion of the top surface of the lower gate pattern and extending between the residual insulating pattern and the upper gate pattern.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: July 14, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hauk Han, Yong-IL Kwon, JungSuk Oh, Tae sun Ryu, Jeonggil Lee
  • Publication number: 20150184989
    Abstract: There are provided a touch sensing device and a touchscreen device. The touch sensing device includes: a driving circuit applying a driving signal having a predetermined first period to a node capacitor; a buffer circuit converting capacitance of the node capacitor into a voltage signal; a buffer capacitor being charged and discharged depending on an output voltage from the buffer circuit; and an integration circuit integrating voltages charged in the buffer capacitor, wherein, in a normal touch mode, the buffer circuit integrates capacitance of the node capacitor to generate the voltage signal, and, in a proximity touch mode, the buffer circuit generates the voltage signal by following the voltages charged in the node capacitor.
    Type: Application
    Filed: March 12, 2014
    Publication date: July 2, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byeong Hak JO, Moon Suk JEONG, Yong IL KWON, Tah Joon PARK
  • Publication number: 20150180334
    Abstract: There is provided a driving circuit for a charge pump circuit generating an output voltage by stepping-up an input voltage at least once, according to a clock signal. The driving circuit includes: an oscillator generating the clock signal; a comparison unit comparing the output voltage with a predetermined reference voltage; and a control unit generating a control signal to be provided to the oscillator, the control signal changing at least one of a frequency level and a duty level of the clock signal based on a comparison result from the comparison unit.
    Type: Application
    Filed: March 20, 2014
    Publication date: June 25, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Moon Suk Jeong, Byeong Hak Jo, Yong Il Kwon, Tah Joon Park
  • Publication number: 20150177874
    Abstract: There is provided an apparatus for generating a driving signal, the apparatus including: a first driving signal generation circuit generating a first driving signal; a second driving signal generation circuit generating a second driving signal, the second driving signal generation circuit including at least two transistors and a pulse generation unit; and a control unit controlling the first and second driving signal generation circuits so that they generate the first and second driving signals selectively.
    Type: Application
    Filed: March 18, 2014
    Publication date: June 25, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Il KWON, Moon Suk JEONG, Tah Joon PARK
  • Publication number: 20150162826
    Abstract: There is provided an apparatus for regulating an output voltage, including: a sensing circuit sensing an output voltage from a charge pump; a comparator circuit receiving the output voltage from the sensing circuit so as to compare it with a predetermined reference voltage; and a limiter circuit regulating the output voltage according to an output signal from the comparator circuit.
    Type: Application
    Filed: February 24, 2014
    Publication date: June 11, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Moon Suk JEONG, Byeong Hak JO, Yong Il KWON, Tah Joon PARK
  • Patent number: 9030069
    Abstract: There is provided a hydrodynamic bearing assembly including: a shaft; a sleeve disposed to be spaced apart from the shaft by a predetermined interval to form a bearing clearance therewith; and a thrust member installed on the shaft, wherein at least one of the shaft, the sleeve, and the thrust member is provided with a dynamic pressure groove for generating fluid dynamic pressure in a lubricating fluid provided in the bearing clearance, and one side of a portion of the dynamic pressure groove into which the lubricating fluid is introduced is provided with a pressure reduction preventing groove for suppressing a reduction in pressure generated at the time of introduction of the lubricating fluid.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: May 12, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong Il Kwon, Hyo Seok Lee, Ju Ho Kim
  • Patent number: 9030429
    Abstract: There is provided a capacitance sensing apparatus including: a driving circuit unit applying a driving signal having a common level potential and first and second level potentials different from the common level potential to a first capacitor; a sensing circuit unit detecting a change in capacitance generated in the first capacitor; and a gain controlling circuit unit controlling a gain of the sensing circuit unit, wherein the sensing circuit unit includes a second capacitor charged by the change in capacitance of the first capacitor when a level of the driving signal is changed from the first level potential to the common level potential or changed from the common level potential to the second level potential.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: May 12, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong Il Kwon, Moon Suk Jeong, Byeong Hak Jo, Tah Joon Park
  • Publication number: 20150097647
    Abstract: A chip component includes a magnetic substrate having ferrite layers, and an insulating layer disposed on the magnetic substrate and having an electrode disposed therein. An external electrode is connected to the electrode on the insulating layer. The magnetic substrate and the insulating layer have a chemical coupling structure formed on an interface therebetween. The chemical coupling structure includes Si—O—C or Si—O—N.
    Type: Application
    Filed: September 30, 2014
    Publication date: April 9, 2015
    Inventors: Sa Yong Lee, Yong Il Kwon, Jin Ho Hong, Sung Han Kim, Keun Yong Lee
  • Publication number: 20150084109
    Abstract: A semiconductor device includes a lower insulating pattern on a semiconductor substrate, a lower gate pattern on the lower insulating pattern and formed of a doped polysilicon layer, a residual insulating pattern with an opening exposing a portion of a top surface of the lower gate pattern, an upper gate pattern on the residual insulating pattern, the upper gate pattern filling the opening, and a diffusion barrier pattern in contact with the portion of the top surface of the lower gate pattern and extending between the residual insulating pattern and the upper gate pattern.
    Type: Application
    Filed: December 5, 2014
    Publication date: March 26, 2015
    Inventors: Hauk Han, Yong-IL Kwon, JungSuk Oh, Tae sun Ryu, Jeonggil Lee
  • Patent number: 8976149
    Abstract: There is provided a capacitance sensing apparatus including: a driving circuit unit sequentially applying a driving signal to each of a plurality of first electrodes; a sensing circuit unit including a first integrating circuit detecting a first change in capacitance generated in a plurality of second electrodes by the driving signal and a second integrating circuit connected to another first electrode adjacent to the first electrode to which the driving signal is applied; and an operating unit connected to the sensing circuit unit to determine a touch input, wherein the second integrating circuit detects a second change in capacitance generated due to noise in the another first electrode, and the operating unit determines the touch input based on the first and second changes in capacitance.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: March 10, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong Il Kwon, Kyung Hee Hong, Sang Ho Lee, Tah Joon Park
  • Publication number: 20150061738
    Abstract: There is provided a charge pump circuit, including: a step-up circuit unit stepping up an input voltage at least once, according to a frequency and a voltage level of a clock signal; and a control unit altering the voltage level of the clock signal according to an output voltage from the step-up circuit unit to regulate the output voltage from the step-up circuit.
    Type: Application
    Filed: March 31, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Il KWON, Moon Suk JEONG, Tah Joon PARK
  • Publication number: 20150048985
    Abstract: Embodiments of the invention provide an antenna module for NFC. According to at least one embodiment, the antenna module includes an antenna sheet patterned with a loop coil of a conductive metal material, a magnetic shielding sheet comprising a metal sheet, which is embedded in a magnetic sheet, and an adhesive film interposed between the antenna sheet and the magnetic shielding sheet.
    Type: Application
    Filed: July 18, 2014
    Publication date: February 19, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: No Il PARK, Yong Il KWON, Chang Ryul JUNG, Seung Wook PARK
  • Publication number: 20150029141
    Abstract: Disclosed herein is a touch sensing apparatus capable of supporting hover sensing, including: a plurality of capacitance-voltage converters (C-V converters) outputting different voltage values depending on a change in capacitance of each of the sensing electrodes; a plurality of integrators integrating output voltages of each of the C-V converters; a first multiplexer multiplexing outputs of the plurality of integrators; a second multiplexer multiplexing the outputs of the plurality of integrators; a first differential amplification unit for touch sensing receiving an output of the first multiplexer and an output of the second multiplexer; a second differential amplification unit for hover sensing receiving the output of the first multiplexer and the output of the second multiplexer; and a control unit sensing a touch event or a hover event, thereby removing a common noise to accurately sense both the touch event and the hover event.
    Type: Application
    Filed: June 25, 2014
    Publication date: January 29, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byeong Hak Jo, Moon Suk Jeong, Yong Il Kwon, Tah Joon Park