Patents by Inventor Ki Joong Kim

Ki Joong 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: 20180294809
    Abstract: A bias circuit providing different bias voltages depending on a power mode through a simple circuit, and a power amplifier having the same are provided. The bias circuit and the power amplifier include a bias setting unit configured to vary a voltage level of a control signal controlling a bias voltage according to an operation of a first transistor being switched-off in a high power mode and switched-on in a low power mode. A bias supplying unit includes a bias supplying transistor switched based on the control signal, to supply the bias voltage having a voltage level according to a switching operation of the bias supplying transistor.
    Type: Application
    Filed: June 15, 2018
    Publication date: October 11, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jun Goo WON, Youn Suk KIM, Yoshiyuki TONAMI, Ki Joong KIM
  • Publication number: 20180294294
    Abstract: The present invention relates to a flat plate type of image sensor including: a backlight unit for emitting at least one light from among visible light, infrared light, and ultraviolet light at an object; a visible light conversion unit for converting ultraviolet light reflected from the object into visible light; and a photosensor unit for sensing at least one from among the visible light emitted from the backlight unit and reflected from the object, the infrared light emitted from the backlight unit and reflected from the object, and the visible light converted in the visible light conversion unit.
    Type: Application
    Filed: November 6, 2015
    Publication date: October 11, 2018
    Inventors: Jae Min KIM, Ki Joong KIM, Ji Ho HUR
  • Patent number: 10027320
    Abstract: A bias circuit providing different bias voltages depending on a power mode through a simple circuit, and a power amplifier having the same are provided. The bias circuit and the power amplifier include a bias setting unit configured to vary a voltage level of a control signal controlling a bias voltage according to an operation of a first transistor being switched-off in a high power mode and switched-on in a low power mode. A bias supplying unit includes a bias supplying transistor switched based on the control signal, to supply the bias voltage having a voltage level according to a switching operation of the bias supplying transistor.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: July 17, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jun Goo Won, Youn Suk Kim, Yoshiyuki Tonami, Ki Joong Kim
  • Patent number: 9983124
    Abstract: Disclosed herein are embodiments of sensor devices comprising a sensing component able to determine the presence of, detect, and/or quantify detectable species in a variety of environments and applications. The sensing components disclosed herein can comprise MOF materials, plasmonic nanomaterials, or combinations thereof. In an exemplary embodiment, light guides can be coupled with the sensing components described herein to provide sensor devices capable of increased NIR detection sensitivity in determining the presence of detectable species, such as gases and volatile organic compounds. In another exemplary embodiment, optical properties of the plasmonic nanomaterials combined with MOF materials can be monitored directly to detect analyte species through their impact on external conditions surrounding the particle or as a result of charge transfer to and from the plasmonic material as a result of interactions with the plasmonic material and/or the MOF material.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: May 29, 2018
    Assignees: Oregon State University, U.S. Department of Energy
    Inventors: Alan X. Wang, Chih-hung Chang, Ki-Joong Kim, Xinyuan Chong, Paul R. Ohodnicki
  • Publication number: 20180089486
    Abstract: The present invention relates to a capacitive fingerprint sensor, and the capacitive fingerprint sensor includes: a fingerprint sensor electrode for sensing a fingerprint of a human body; a first transistor of which a current or an output voltage is changed according to a voltage change of capacitive coupling formed by fingerprint capacitance formed when a fingerprint contacts the fingerprint sensor electrode and coupling capacitance formed for capacitive coupling; a fifth transistor that resets a gate electrode of the first transistor and applies capacitive coupling to the gate electrode of the first transistor through a coupling pulse; a second transistor of which a current or an output voltage is changed due to a difference in the current flowing through the first transistor and a gate voltage is maintained by a capacitor; a third transistor that resets a gate electrode of the second transistor; and a fourth transistor that controls a current flowing through the second transistor or an output voltage of th
    Type: Application
    Filed: April 7, 2016
    Publication date: March 29, 2018
    Applicant: SILICON DISPLAY TECHNOLOGY
    Inventors: Ki Joong KIM, Jin Hyeong YOO, Bong Yeob HONG, Yong Kuk KIM, Ji Ho HUR
  • Publication number: 20180011010
    Abstract: Disclosed herein are embodiments of sensor devices comprising a sensing component able to determine the presence of, detect, and/or quantify detectable species in a variety of environments and applications. The sensing components disclosed herein can comprise MOF materials, plasmonic nanomaterials, redox-active molecules, a metal, or any combinations thereof. In some exemplary embodiments, optical properties of the plasmonic nanomaterials and/or the redox-active molecules combined with MOF materials can be monitored directly to detect analyte species through their impact on external conditions surrounding the material or as a result of charge transfer to and from the plasmonic nanomaterial and/or the redox-active molecule as a result of interactions with the MOF material.
    Type: Application
    Filed: September 7, 2017
    Publication date: January 11, 2018
    Inventors: Chih-hung Chang, Ki-Joong Kim, Alan X. Wang, Yujing Zhang, Xinyuan Chong, John P. Baltrus, Paul R. Ohodnicki
  • Patent number: 9864893
    Abstract: The present invention relates to an optical fingerprint sensor which can comprise: a backlight unit for irradiating light; an uneven surface layer onto which the light from the backlight unit is irradiated; and a photosensor unit arranged between the backlight unit and the uneven surface layer so as to detect the light irradiated from the backlight unit and reflected from a user's fingerprint coming into contact with the uneven surface layer.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: January 9, 2018
    Assignee: SILICON DISPLAY TECHNOLOGY
    Inventors: Ki Joong Kim, Ji Ho Hur, Soon Ho Choi
  • Patent number: 9842035
    Abstract: A semiconductor system includes one or more core chips including a plurality of memory banks; one or more replacement storage units; and a base chip suitable for: first detecting a memory bank having an access frequency that satisfies a first condition, second detecting whether an utilization rate of the first detected memory bank satisfies a second condition, and replacing the second detected memory bank with one among the replacement storage units.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: December 12, 2017
    Assignee: SK Hynix Inc.
    Inventors: Kyung-Min Lee, Young-Ook Song, Ki-Joong Kim, Yong-Ju Kim, Jung-Hyun Kwon, Sang-Gu Jo
  • Patent number: 9793864
    Abstract: A voltage detecting apparatus includes a signal extracting circuit configured to extract a coupled signal from a signal output by a power amplifier configured to amplify a signal output by a radio frequency (RF) circuit, and a voltage detecting circuit configured to detect a detection voltage from the coupled signal and provide the detection voltage to the RF circuit. The voltage detecting circuit configured to vary the detection voltage in response to an input control signal.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: October 17, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jun Goo Won, Youn Suk Kim, Ki Joong Kim, Da Hye Park
  • Publication number: 20170277606
    Abstract: A semiconductor system includes one or more core chips including a plurality of memory banks; one or more replacement storage units; and a base chip suitable for: first detecting a memory bank having an access frequency that satisfies a first condition, second detecting whether an utilization rate of the first detected memory bank satisfies a second condition, and replacing the second detected memory bank with one among the replacement storage units.
    Type: Application
    Filed: August 12, 2016
    Publication date: September 28, 2017
    Inventors: Kyung-Min LEE, Young-Ook SONG, Ki-Joong KIM, Yong-Ju KIM, Jung-Hyun KWON, Sang-Gu JO
  • Patent number: 9751071
    Abstract: Systems and methods for synthesizing high-quality nanocrystals via segmented, continuous flow microwave-assisted reactor were developed.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: September 5, 2017
    Assignee: STATE OF OREGON ACTING BY AND THROUGH THE STATE BOARD OF HIGHER EDUCATION ON BEHALF OF OREGON STATE UNIVERSITY
    Inventors: Ki-Joong Kim, Eric Bradley Hostetler, Gregory Scott Herman, Daniel Alan Peterson, Chih-hung Chang, Brendan Thomas Flynn, Brian Kevin Paul, Richard Paul Oleksak
  • Publication number: 20170185352
    Abstract: A memory device may include one or more multi-channel memories and an interface unit suitable for interfacing the multi-channel memories. The interface unit may include a first data interface suitable for transferring data for the first channel of the multi-channel memories, a second data interface suitable for transferring data for the second channel of the multi-channel memories, and an extra data interface suitable for transferring data for a selected one of the first channel and the second channel so that the data is additionally transmitted.
    Type: Application
    Filed: May 6, 2016
    Publication date: June 29, 2017
    Inventors: Young-Ook SONG, Ki-Joong KIM, Jung-Hyun KWON, Yong-Ju KIM
  • Patent number: 9667202
    Abstract: A power amplifier may include an amplifying unit configured to amplify an input signal, an impedance varying unit connected between the amplifying unit and an output port that is for outputting an amplified signal of the input signal, and a controller configured to output a first control signal based on a level of power of the amplified input signal of the amplifying unit to control a varying of impedance of the impedance varying unit.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: May 30, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ki Joong Kim, Youn Suk Kim, Jun Goo Won, Sang Wook Park, Sung Hwan Park
  • Patent number: 9623396
    Abstract: Systems and methods for synthesizing high-quality nanocrystals via segmented, continuous flow microwave-assisted reactor were developed.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: April 18, 2017
    Assignee: STATE OF OREGON ACTING BY AND THROUGH THE STATE BOARD OF HIGHER EDUCATION ON BEHALF OF OREGON STATE UNIVERSITY
    Inventors: Ki-Joong Kim, Eric Bradley Hostetler, Gregory Scott Herman, Daniel Alan Peterson, Chih-hung Chang, Brendan Thomas Flynn, Brian Kevin Paul, Richard Paul Oleksak
  • Patent number: 9600708
    Abstract: Provided is a transparent fingerprint recognizing sensor array, including: a pixel driving circuit formed on a substrate; an antistatic wiring disposed in an upper part of the pixel driving circuit; and a pixel electrode connected to the pixel driving circuit, wherein the pixel electrode is made of a transparent material or has an open formed in a center part thereof.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: March 21, 2017
    Assignee: SILICON DISPLAY TECHNOLOGY
    Inventors: Ki Joong Kim, Ji Ho Hur, Yong Ju Ham, Bong Yeob Hong, Youn Duck Nam
  • Patent number: 9501164
    Abstract: Provided is a thin film transistor liquid crystal display (TFT LCD) in which a capacitive touch sensor is embedded, the TFT LCD comprising: a touch sensor source follower TFT formed on a substrate; a first electrode connected to a gate electrode of the touch sensor source follower TFT; a touch sensor reset TFT including the first electrode; an insulator film formed on the first electrode; a second electrode formed on the insulator film; and a display switching TFT including the second electrode, wherein the second electrode is connected to a drain electrode of the display switching TFT; the touch sensor reset TFT and the gate electrode of the touch sensor source follower TFT share the first electrode; and the first electrode is connected to the gate electrode of the touch sensor source follower TFT.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: November 22, 2016
    Assignee: SILICON DISPLAY TECHNOLOGY
    Inventors: Yong Ju Ham, Ji Ho Hur, Ki Joong Kim
  • Patent number: 9479133
    Abstract: The present invention relates to a power detection circuit and an RF signal amplification circuit having the same. According to an embodiment of the present invention, a power detection circuit including a coupling unit adjacent to an RF matching inductor to extract induced power; a rectification unit for rectifying the signal output from the coupling unit to output the rectified signal; a slope adjustment unit connected between an output terminal of the rectification unit and a ground and adjusting a voltage slope for power detection by changing the output signal of the output terminal of the rectification unit according to changes in internal impedance; and a smoothing unit for receiving the output signal of the output terminal of the rectification unit to smooth the received signal into a DC voltage for power detection using the voltage slope is provided. Further, an RF signal amplification circuit having the same is provided.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: October 25, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ki Joong Kim, Nam Heung Kim, Young Jean Song, Myeong Woo Han, Jun Goo Won, Iizuka Shinichi, Youn Suk Kim
  • Publication number: 20160276988
    Abstract: A voltage detecting apparatus includes a signal extracting circuit configured to extract a coupled signal from a signal output by a power amplifier configured to amplify a signal output by a radio frequency (RF) circuit, and a voltage detecting circuit configured to detect a detection voltage from the coupled signal and provide the detection voltage to the RF circuit. The voltage detecting circuit configured to vary the detection voltage in response to an input control signal.
    Type: Application
    Filed: January 13, 2016
    Publication date: September 22, 2016
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jun Goo WON, Youn Suk KIM, Ki Joong KIM, Da Hye PARK
  • Publication number: 20160248387
    Abstract: A power amplifier may include an amplifying unit configured to amplify an input signal, an impedance varying unit connected between the amplifying unit and an output port that is for outputting an amplified signal of the input signal, and a controller configured to output a first control signal based on a level of power of the amplified input signal of the amplifying unit to control a varying of impedance of the impedance varying unit.
    Type: Application
    Filed: December 4, 2015
    Publication date: August 25, 2016
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ki Joong KIM, Youn Suk KIM, Jun Goo WON, Sang Wook PARK, Sung Hwan PARK
  • Publication number: 20160231233
    Abstract: Disclosed herein are embodiments of sensor devices comprising a sensing component able to determine the presence of, detect, and/or quantify detectable species in a variety of environments and applications. The sensing components disclosed herein can comprise MOF materials, plasmonic nanomaterials, or combinations thereof. In an exemplary embodiment, light guides can be coupled with the sensing components described herein to provide sensor devices capable of increased NIR detection sensitivity in determining the presence of detectable species, such as gases and volatile organic compounds. In another exemplary embodiment, optical properties of the plasmonic nanomaterials combined with MOF materials can be monitored directly to detect analyte species through their impact on external conditions surrounding the particle or as a result of charge transfer to and from the plasmonic material as a result of interactions with the plasmonic material and/or the MOF material.
    Type: Application
    Filed: February 9, 2016
    Publication date: August 11, 2016
    Applicants: Oregon State University, U.S. Department of Energy
    Inventors: Alan X. Wang, Chih-hung Chang, Ki-Joong Kim, Xinyuan Chong, Paul R. Ohodnicki