Patents by Inventor Minki Kim

Minki 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).

  • Patent number: 9905654
    Abstract: Provided is a bridge diode according to an embodiment of the inventive concept. The bridge diode includes a first structure including a first lower nitride film and a first upper nitride film, which are laminated on the substrate, a second structure including a second lower nitride film and a second upper nitride film, which are laminated on the substrate, a first electrode structural body disposed on the first structure, and a second electrode structural body disposed on the second structure.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: February 27, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong Yun Jung, Hyun Soo Lee, Sang Choon Ko, Minki Kim, Jeho Na, Eun Soo Nam, Young Rak Park, Junbo Park, Hyung Seok Lee, Hyun-Gyu Jang, Chi Hoon Jun
  • Patent number: 9842535
    Abstract: A display apparatus includes a display panel including a display area and a non-display area, a driving chip disposed in the non-display area, and a heat radiate sheet. The heat radiate sheet includes a first portion disposed on a rear surface of the display panel, a second portion disposed on the driving chip, and a connection portion connecting the first portion and the second portion.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: December 12, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minki Kim, HwanJin Kim
  • Patent number: 9800181
    Abstract: Provided is a hybrid diode device. The hybrid diode device includes a first lower nitride layer disposed on a substrate and including a first 2-dimensional electron gas (2DEG) layer, a second lower nitride layer extending from the first lower nitride layer to the outside of the substrate and including a second 2DEG layer, a first upper nitride layer disposed on the first lower nitride layer, a second upper nitride layer disposed on the second lower nitride layer, a first cap layer disposed on the first upper nitride layer, a second cap layer disposed on the second upper nitride layer, a first electrode structure connected to the first lower nitride layer and the first cap layer; and a second electrode structure connected to the second lower nitride layer and the first electrode structure. The second lower nitride layer generates electric energy through dynamic movement.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: October 24, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chi Hoon Jun, Sang Choon Ko, Minki Kim, Jeho Na, Young Rak Park, Junbo Park, Hyun Soo Lee, Hyung Seok Lee, Hyun-Gyu Jang, Dong Yun Jung
  • Patent number: 9748941
    Abstract: Provided is a stabilizing circuit structure using a sense field effect transistor (sense-FET). A power semiconductor module includes a depletion-mode field effect transistor (D-mode FET) and the sense FET that has same structure as the D-mode FET and varies in area. Also the power semiconductor module includes not only an enhancement-mode field effect transistor (E-mode FET), but also the stabilizing circuit including circuit elements such as a resistor, a capacitor, an inductor, or a diode.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: August 29, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Minki Kim, Hyun-Gyu Jang, Dong Yun Jung, Sang Choon Ko, Hyun Soo Lee, Chi Hoon Jun
  • Patent number: 9713294
    Abstract: A display apparatus includes a display panel, and a heat-radiating sheet located on a non-display surface of the display panel, wherein the heat-radiating sheet includes a first heat-radiating sheet in a central portion of the display panel, and a second heat-radiating sheet in edge portions of the display panel, and locations (heights) of the first heat-radiating sheet and the second heat-radiating sheet in a vertical direction are different from each other.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: July 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwanjin Kim, Minki Kim, Yunho Kim, Kangyong Lee
  • Patent number: 9704215
    Abstract: A display device includes a source unit; and a sink unit connected with the source unit via an embedded display port interface for signal transmission between the source and sink units and to enable a panel self refresh (PSR) mode for reducing power, wherein, for an input still image, the source unit applies power to a frame buffer of the sink unit and transmits the still image to the sink unit, wherein the sink unit determines whether the still image can be losslessly compressed and stored in the frame buffer, outputs a first control signal if the still image can be losslessly compressed and stored in the frame buffer, and outputs a second control signal if the still image cannot be losslessly compressed and stored, and wherein the source unit activates the PSR mode for the first control signal, and deactivates the PSR mode for the second control signal.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: July 11, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Jinsung Kim, Jincheol Hong, Minki Kim
  • Publication number: 20170141704
    Abstract: Provided is a hybrid diode device. The hybrid diode device includes a first lower nitride layer disposed on a substrate and including a first 2-dimensional electron gas (2DEG) layer, a second lower nitride layer extending from the first lower nitride layer to the outside of the substrate and including a second 2DEG layer, a first upper nitride layer disposed on the first lower nitride layer, a second upper nitride layer disposed on the second lower nitride layer, a first cap layer disposed on the first upper nitride layer, a second cap layer disposed on the second upper nitride layer, a first electrode structure connected to the first lower nitride layer and the first cap layer; and a second electrode structure connected to the second lower nitride layer and the first electrode structure. The second lower nitride layer generates electric energy through dynamic movement.
    Type: Application
    Filed: October 21, 2016
    Publication date: May 18, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chi Hoon JUN, Sang Choon KO, Minki KIM, Jeho NA, Young Rak PARK, Junbo PARK, Hyun Soo LEE, Hyung Seok LEE, Hyun-Gyu JANG, Dong Yun JUNG
  • Publication number: 20170117889
    Abstract: Provided is a stabilizing circuit structure using a sense field effect transistor (sense-FET). A power semiconductor module includes a depletion-mode field effect transistor (D-mode FET) and the sense FET that has same structure as the D-mode FET and varies in area. Also the power semiconductor module includes not only an enhancement-mode field effect transistor (E-mode FET), but also the stabilizing circuit including circuit elements such as a resistor, a capacitor, an inductor, or a diode.
    Type: Application
    Filed: July 29, 2016
    Publication date: April 27, 2017
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Minki KIM, Hyun-Gyu JANG, Dong Yun JUNG, Sang Choon KO, Hyun Soo LEE, Chi Hoon JUN
  • Patent number: 9602032
    Abstract: Provided is a BrushLess Direct Current (BLDC) motor system including a motor driving circuit configured to control a pulse-width-modulation (PWM) inverter in a first operation mode or a second operation mode according to a control signal, and output a switching signal according to each operation mode, the PWM inverter configured to receive the switching signal to output first three-phase voltages having a first frequency in the first operation mode, and output second three-phase voltages having a second frequency in the second operation mode, a sensorless BLDC motor configured not to operate in the first operation mode by operating based on three-phase voltages having a frequency in a different band from the first frequency, and operate in the second mode by operating based on three-phase voltages having a frequency in an identical band to the second frequency, and a parameter detecting circuit configured to calculate parameter information on the sensorless BLDC motor in the first operation mode by using sens
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: March 21, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Minki Kim, Jung Hee Suk, Yil Suk Yang, Jimin Oh, Sewan Heo
  • Publication number: 20170062385
    Abstract: Disclosed is a power converting device including: a first laminate having a plurality of non-magnetic substrates which are laminated; electronic devices disposed on at least one of the non-magnetic substrates; first conductive patterns disposed on the non-magnetic substrate on which the electronic devices are disposed, the first conductive patterns being connected to the electronic devices; at least one via electrode connecting the respective first conductive patterns to each other; a second laminate disposed on one side of the first laminate and having a plurality of magnetic sheets which are laminated; second conductive patterns disposed on at least two magnetic sheets among the plurality of magnetic sheets; and at least one via electrode connecting the respective second conductive patterns to each other, wherein the first and second via electrodes are connected to each other.
    Type: Application
    Filed: July 27, 2016
    Publication date: March 2, 2017
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong Yun JUNG, Sang Choon KO, Chi Hoon JUN, Minki KIM, Jeho NA, EUN SOO NAM, Young Rak PARK, Junbo PARK, Hyun Soo LEE, Hyung Seok LEE, Hyun-Gyu JANG
  • Publication number: 20170053972
    Abstract: A transparent display panel and a transparent display device including the same, including a plurality of data lines, a plurality of gate lines, and a plurality of pixel regions disposed in a matrix. The pixel region is configured by a plurality of sub pixels and includes transmission areas, circuit areas, and a plurality of emission areas which overlap with a part of the transmission areas and the circuit areas.
    Type: Application
    Filed: August 17, 2016
    Publication date: February 23, 2017
    Inventors: EuiTae KIM, MinKi KIM, KiSeob SHIN
  • Publication number: 20170025550
    Abstract: Provided is a bridge diode according to an embodiment of the inventive concept. The bridge diode includes a first structure including a first lower nitride film and a first upper nitride film, which are laminated on the substrate, a second structure including a second lower nitride film and a second upper nitride film, which are laminated on the substrate, a first electrode structural body disposed on the first structure, and a second electrode structural body disposed on the second structure.
    Type: Application
    Filed: July 20, 2016
    Publication date: January 26, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong Yun JUNG, Hyun Soo LEE, Sang Choon KO, Minki KIM, Jeho NA, EUN SOO NAM, Young Rak PARK, Junbo PARK, Hyung Seok LEE, Hyun-Gyu JANG, Chi Hoon JUN
  • Publication number: 20170009984
    Abstract: An impinging-type temperature uniformity device includes an outer case portion; and a temperature uniformizer provided in the outer case portion, spaced apart inwardly from an inner surface of the outer case portion and connected to the outer case portion, wherein the temperature uniformizer includes: a head portion provided in the outer case portion; and a body portion spaced apart inwardly from the inner surface of the outer case portion and including at least one through-hole.
    Type: Application
    Filed: July 8, 2016
    Publication date: January 12, 2017
    Applicant: Hanwha Techwin Co., Ltd.
    Inventor: Minki KIM
  • Patent number: 9490735
    Abstract: A motor driving module is provided which includes a motor driving unit configured to control a PWM inverter on the basis of positional information and a control signal; a PWM inverter configured to output three-phase voltages on the basis of DC power according to control of the motor driving unit; a phase voltage estimating unit configured to output three-phase estimated voltages on the basis of the positional information, the DC power, and a voltage modulation index; and a position detecting unit configured to output the positional information on the basis of the three-phase estimated voltages, wherein the positional information is on an external motor that operates on the basis of the three-phase voltages.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: November 8, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Minki Kim, Jimin Oh, Jung Hee Suk, Yil Suk Yang
  • Publication number: 20160248355
    Abstract: Provided is a motor driving device.
    Type: Application
    Filed: February 22, 2016
    Publication date: August 25, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jimin OH, Minki KIM, Jung Hee SUK, Yil Suk YANG, Sewan HEO
  • Patent number: 9418612
    Abstract: A liquid crystal display is disclosed. The liquid crystal display includes a power module, which senses an input voltage and outputs a mode conversion signal when the input voltage is equal to or less than a reference voltage, and a timing controller which changes a driving mode of a source driver integrated circuit (IC) in response to receiving the mode conversion signal from the power module.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: August 16, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Soondong Cho, Minki Kim, Juno Hur, Dongju Kim
  • Patent number: 9391481
    Abstract: Disclosed is a spherical wheel motor including: a spherical rotor having freedom of rotation along surrounding magnetized directions; a stator formed in a dome shape enclosing the rotor and configured to form magnetization at various angles through a plurality of coils distributed therein, and impart the freedom of rotation to the rotor; and a driving unit configured to identify a position of the rotor, supply current to each coil of the stator according to the position of the rotor, and drive the rotor.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: July 12, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Minki Kim, Yil Suk Yang
  • Publication number: 20160183415
    Abstract: A display apparatus includes a display panel including a display area and a non-display area, a driving chip disposed in the non-display area, and a heat radiate sheet. The heat radiate sheet includes a first portion disposed on a rear surface of the display panel, a second portion disposed on the driving chip, and a connection portion connecting the first portion and the second portion.
    Type: Application
    Filed: September 24, 2015
    Publication date: June 23, 2016
    Inventors: Minki KIM, HwanJin KIM
  • Publication number: 20160156294
    Abstract: Provided is a motor driving module for controlling a motor including a rotator and a stator, which includes a motor driving unit controlling a plurality of voltages applied to the motor on a basis of a position signal indicating a position of the rotator in response to an external control signal, an analog-to-digital converter detecting a plurality of phase currents applied to the motor to output a plurality of phase current signals, and a position estimating unit detecting the rotator position to output the position signal on a basis of the plurality of phase current signals, and a position calculating unit detecting the rotator position to output the position signal on a basis of the plurality of synchronized phase current signals.
    Type: Application
    Filed: June 30, 2015
    Publication date: June 2, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sewan HEO, Minki KIM, Jung Hee SUK, Yil Suk YANG, Jimin OH
  • Patent number: 9350226
    Abstract: Disclosed is a power control driving device which includes a sine wave signal generating unit; a control signal converting unit configured to convert a sine wave from the sine wave signal generating unit into a multi-bit control signal; and a three-phase inverter circuit configured to output a voltage varied by the multi-bit control signal from the control signal converting unit. The control signal converting unit includes a multi-bit sigma-delta modulator configured to convert an analog sine wave into a digital signal. The three-phase inverter circuit includes a plurality of switch units, on-off states of the plurality of switch units being controlled according to the multi-bit control signal from the control signal converting unit.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 24, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jaewon Nam, Minki Kim, Jimin Oh, Yil Suk Yang