Patents by Inventor Dae-Ho Kim

Dae-Ho 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: 20170338399
    Abstract: An acoustic resonator includes: a substrate; a resonance part including a lower electrode, a piezoelectric layer, and an upper electrode sequentially stacked on the substrate, and a frame formed on the upper electrode along an edge of the upper electrode; and a trench part formed in at least one side of the resonance part and making a thickness of the resonance part asymmetrical.
    Type: Application
    Filed: December 16, 2016
    Publication date: November 23, 2017
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dae Ho KIM, Dae Hun JEONG, Won HAN, Sang Uk SON
  • Publication number: 20170293000
    Abstract: Disclosed are an apparatus and method for testing a luminaire based on USB. The apparatus for testing a luminaire based on USB includes a power measurement unit for measuring power consumption by measuring power input from a host system to a luminaire based on USB; a message interpretation unit for generating a result of interpretation of a message based on a USB-based control message sent and received between the host system and the luminaire; an illuminance reception unit for receiving a result of measurement of illuminance of the luminaire, measured by a light reception device; and an information generation unit for generating test result information based on a result of the measurement of the power consumption, the result of the interpretation of the message, and the result of the measurement of the illuminance.
    Type: Application
    Filed: April 4, 2017
    Publication date: October 12, 2017
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: You-Jin KIM, Hyun-Seok KIM, Tae-Gyu KANG, Dae-Ho KIM, Seong-Hee PARK, Jung-Sik SUNG, Ji-Hun JEON
  • Patent number: 9768309
    Abstract: A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Su Lee, Yoon Ho Khang, Dong Jo Kim, Hyun Jae Na, Sang Ho Park, Se Hwan Yu, Chong Sup Chang, Dae Ho Kim, Jae Neung Kim, Myoung Geun Cha, Sang Gab Kim, Yu-Gwang Jeong
  • Publication number: 20170237408
    Abstract: A resonator includes a resonating portion including a first electrode, a second electrode, and a piezoelectric layer positioned between the first electrode and the second electrode; and a frame provided at an outer edge of the resonating portion, at least a portion of the frame covering an outer end portion of the second electrode.
    Type: Application
    Filed: September 21, 2016
    Publication date: August 17, 2017
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung HAN, Dae Ho KIM, Ran Hee SHIN, Hwa Sun LEE, Chang Hyun LIM, Tae Kyung LEE, Sung Sun KIM
  • Publication number: 20170229921
    Abstract: A magnetic resonance wireless power transmission device capable of adjusting resonance frequency is disclosed. A wireless power transmission device according to an embodiment of the present invention comprises: a power amplifier for amplifying a wireless power signal using a driving frequency signal; a resonator for configuring a resonance tank and wirelessly transmitting, through magnetic resonance, the wireless power signal output from the power amplifier using a resonance frequency of the resonance tank; and a resonance control unit for controlling a duty ratio using a frequency applied to the resonator or a frequency signal generated by the resonator and adjusting the resonance frequency of the resonator.
    Type: Application
    Filed: July 31, 2015
    Publication date: August 10, 2017
    Applicant: MAPS, Inc.
    Inventors: Jong-Tae HWANG, Hyun-Ick SHIN, Dong-Su LEE, Jong-Hoon LEE, Sang-O JEON, Ik-Gyoo SONG, Dae-Ho KIM, Joon RHEE
  • Publication number: 20170200742
    Abstract: An organic light emitting diode display having a lightly doped region formed in a transistor for simplifying manufacturing process and reducing manufacturing costs is provided. The organic light emitting diode display includes: a substrate, a transistor on the substrate, and an organic light emitting diode (OLED) connected to the transistor, wherein the transistor includes a semiconductor member on the substrate, an insulating member on the semiconductor member, a source member and a drain member disposed on the semiconductor member and respectively disposed at opposite sides of the insulating member, and a gate electrode on the insulating member, wherein each of the source member and the drain member includes a plurality of layers having different impurity doping concentrations.
    Type: Application
    Filed: August 26, 2016
    Publication date: July 13, 2017
    Inventors: YOUNG KI SHIN, DAE HO KIM, JONG CHAN LEE, WOONG HEE JEONG, YOON HO KHANG
  • Publication number: 20170153578
    Abstract: A developing apparatus for an image forming apparatus comprises: a developing roller; a developing housing which rotatably supports the developing roller and receives a two-component developer; a first mixing member installed in the developing housing to mix the developer; and a second mixing member installed in the developing housing to be parallel to the first mixing member and adjacent to the developing roller, wherein the second mixing member comprises: a shaft; a spiral wing part formed along the shaft; and a plurality of ribs formed so as to protrude from the surface of the shaft.
    Type: Application
    Filed: July 14, 2015
    Publication date: June 1, 2017
    Applicant: S-Printing Solution Co., Ltd.
    Inventors: Mitsuru OIKAWA, Jin-hong KIM, Dae-ho KIM, Jun-hee LEE
  • Patent number: 9666817
    Abstract: An organic photodetector includes an anode and a cathode facing each other and an active layer between the anode and the cathode and including a p-type semiconductor and an n-type semiconductor, wherein an energy barrier between the anode or the cathode and the active layer is greater than or equal to about 1.3 eV, a difference between a HOMO energy level of the p-type semiconductor and a LUMO energy level of the n-type semiconductor is greater than or equal to about 0.8 eV.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: May 30, 2017
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Kyusik Kim, Jang-Joo Kim, Dae-Ho Kim
  • Publication number: 20170092704
    Abstract: A thin film transistor (TFT), method of manufacturing the TFT and a flat panel display having the TFT are disclosed. In one aspect, the TFT comprises a substrate and an active layer formed over the substrate, wherein the active layer is formed of oxide semiconductor, and wherein the active layer includes two opposing sides. The TFT also comprises source and drain regions formed at the opposing sides of the active layer, a first insulating layer formed over the active layer, a gate electrode formed over the active layer, a second insulating layer formed covering the first insulation layer and the gate electrode, and a first conductive layer formed on the source and drain regions and contacting the second insulating layer.
    Type: Application
    Filed: December 13, 2016
    Publication date: March 30, 2017
    Inventors: Myoung-Geun CHA, Sang-Ho PARK, Hyun-Jae NA, Yoon-Ho KHANG, Dae-Ho KIM
  • Publication number: 20170059745
    Abstract: A humidity sensor of a sensing unit in a radiosonde of an aerological observation system has a dual cap that surrounds the humidity sensor. The dual cap includes an outer cap having a first ventilation hole formed on top thereof, a first air circulation door formed on the side periphery thereof to pass air therethrough, and a first wall formed on the side periphery thereof to close the flow of air. An inner cap is located inside the outer cap in such a manner as to be fixed to the outer cap and has a second air circulation door formed on the side periphery thereof to pass air therethrough. The second air circulation door faces the first wall of the outer cap.
    Type: Application
    Filed: May 21, 2015
    Publication date: March 2, 2017
    Applicant: Korea Research Institute of Standards and Science
    Inventors: Yong-Gyoo KIM, Byung Il CHOI, Sang Wook LEE, Jong Cheol KIM, Sang Bong WOO, Dae Ho KIM
  • Publication number: 20170061883
    Abstract: A display device according to an exemplary embodiment of the present invention includes: a substrate; a plurality of transistors formed on the substrate; and a light-emitting device connected to the plurality of transistors, wherein the transistor includes a gate electrode, the plurality of transistors include a first transistor and a second transistor of which lateral wall slope angles of the gate electrode are different from each other, and the first transistor further includes a doping control member formed on a lateral wall of the gate electrode.
    Type: Application
    Filed: February 8, 2016
    Publication date: March 2, 2017
    Inventors: JONG CHAN LEE, WOONG HEE JEONG, DAE HO KIM, YOUNG KI SHIN, YOON HO KHANG, MYOUNG GEUN CHA
  • Publication number: 20170033303
    Abstract: An organic photodetector includes an anode and a cathode facing each other and an active layer between the anode and the cathode and including a p-type semiconductor and an n-type semiconductor, wherein an energy barrier between the anode or the cathode and the active layer is greater than or equal to about 1.3 eV, a difference between a HOMO energy level of the p-type semiconductor and a LUMO energy level of the n-type semiconductor is greater than or equal to about 0.8 eV.
    Type: Application
    Filed: January 14, 2016
    Publication date: February 2, 2017
    Applicant: Seoul National University R&DB Foundation
    Inventors: Kyusik KIM, Jang-Joo KIM, Dae-Ho KIM
  • Patent number: 9552998
    Abstract: A thin film transistor (TFT), method of manufacturing the TFT and a flat panel display having the TFT are disclosed. In one aspect, the TFT comprises a substrate and an active layer formed over the substrate, wherein the active layer is formed of oxide semiconductor, and wherein the active layer includes two opposing sides. The TFT also comprises source and drain regions formed at the opposing sides of the active layer, a first insulating layer formed over the active layer, a gate electrode formed over the active layer, a second insulating layer formed covering the first insulation layer and the gate electrode, and a first conductive layer formed on the source and drain regions and contacting the second insulating layer.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: January 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myoung-Geun Cha, Sang-Ho Park, Hyun-Jae Na, Yoon-Ho Khang, Dae-Ho Kim
  • Publication number: 20160365923
    Abstract: Disclosed herein are an apparatus and method for visible light communication using electrically switchable glass. The apparatus for visible light communication using the electrically switchable glass includes a reception unit for receiving a data signal, a control unit for generating current and voltage corresponding to the data signal and controlling the transmittance of the electrically switchable glass based on the current and the voltage, and a transmission unit for adjusting the brightness of visible light that passes through the glass based on the transmittance and performing visible light communication using the visible light that has passed through the glass.
    Type: Application
    Filed: April 19, 2016
    Publication date: December 15, 2016
    Inventors: You-Jin KIM, Dae-Ho KIM, Hyun-Seok KIM, Hyun-Jong KIM, Ji-Hun JEON, Tae-Gyu KANG
  • Patent number: 9484362
    Abstract: A display substrate includes an active pattern, a gate electrode, a first insulation layer and a pixel electrode. The active pattern is disposed on a base substrate. The active pattern includes a metal oxide semiconductor. The gate electrode overlaps the active pattern. The first insulation layer covers the gate electrode and the active pattern, and a contact hole is defined in the first insulation layer. The pixel electrode is electrically connected to the active pattern via the contact hole penetrating the first insulation layer. A first angle defined by a bottom surface of the first insulation layer and a sidewall of the first insulation layer exposed by the contact hole is between about 30° and about 50°.
    Type: Grant
    Filed: April 27, 2014
    Date of Patent: November 1, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae-Ho Kim, Hyun-Jae Na, Jae-Neung Kim, Yu-Gwang Jeong, Myoung-Geun Cha, Sang-Gab Kim
  • Publication number: 20160308063
    Abstract: A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.
    Type: Application
    Filed: June 28, 2016
    Publication date: October 20, 2016
    Inventors: YONG SU LEE, YOON HO KHANG, DONG JO KIM, HYUN JAE NA, SANG HO PARK, SE HWAN YU, CHONG SUP CHANG, DAE HO KIM, JAE NEUNG KIM, MYOUNG GEUN CHA, SANG GAB KIM, YU-GWANG JEONG
  • Publication number: 20160306592
    Abstract: A storage device is provided which includes a nonvolatile memory and a temperature sensor. The temperature sensor is configured to detect a temperature of the storage device. The temperature sensor is configured to output temperature information. The storage device includes a memory controller. The memory controller is configured to access the nonvolatile memory in response to a request of an external host device. The memory controller is configured to obtain the temperature information from the temperature sensor according to a first period in a first mode. The temperature sensor is configured to obtain the temperature information from the temperature sensor according to a second period in a second mode. The second period is shorter than the first period.
    Type: Application
    Filed: February 8, 2016
    Publication date: October 20, 2016
    Inventors: Yonggeun OH, Dae-Ho KIM, Chul-Woo LEE, Gyucheol HAN
  • Patent number: 9474136
    Abstract: An individual lighting control apparatus and method are disclosed herein. The individual lighting control apparatus includes a reception unit, a terminal connection unit, a sensor unit, and a lighting environment sensing and terminal state determination unit. The reception unit receives the location information of a corresponding individual illumination light. The terminal connection unit acquires the state information of a terminal corresponding to the location information of the illumination light. The sensor unit acquires the sensor information of the set surrounding area of the terminal. The lighting environment sensing and terminal state determination unit sets operation mode based on the state of the connection with the terminal, and then monitors the state of the terminal or the state of the set surrounding area of the terminal in accordance with the set operation mode. The individual illumination light is controlled by providing state change information to a lighting control scheduler.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: October 18, 2016
    Assignee: ELECTRONICS TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dae-Ho Kim, You-Jin Kim, Hyun-Seok Kim, Hyun-Jong Kim, Tae-Gyu Kang
  • Patent number: 9443879
    Abstract: A display substrate includes a base substrate, a common line on the base substrate, a first insulation layer covering the common line and having a first insulating material, a conductive pattern on the first insulation layer and including a source electrode and a drain electrode, a second insulation layer covering the drain electrode and the common line, and including a lower second insulation layer having a second insulating material and an upper second insulation layer having the first insulating material, a first electrode electrically connected to the drain electrode through a first contact hole in the second insulation layer, and a second electrode electrically connected to the common line through a second contact hole in the first and second insulation layers. The upper and lower second insulation layers on the drain electrode have a first hole and a second hole respectively that form the first contact hole.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: September 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yu-Gwang Jeong, Shin-Il Choi, Su-Bin Bae, Dae-Ho Kim, Sang-Gab Kim, Jae-Neung Kim
  • Patent number: 9379252
    Abstract: A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: June 28, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Su Lee, Yoon Ho Khang, Dong Jo Kim, Hyun Jae Na, Sang Ho Park, Se Hwan Yu, Chong Sup Chang, Dae Ho Kim, Jae Neung Kim, Myoung Geun Cha, Sang Gab Kim, Yu-Gwang Jeong