Patents by Inventor Chang Ho An

Chang Ho An 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: 10696548
    Abstract: Disclosed is a method of preparing an oxide for hydrogen storage, including (a) mixing and calcining vanadium oxide and titanium oxide to provide an oxide, (b) impregnating the oxide obtained in step (a) with a noble metal precursor aqueous solution, and (c) subjecting the oxide obtained in step (b) to heat treatment in a reducing atmosphere, wherein the oxide obtained in step (a) has the composition of Chemical Formula (1) below and is composed of a single-phase TiO2 crystal phase: V1-xTixO2,??Chemical Formula (1) where 0.05?x?0.95.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: June 30, 2020
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Seung Wook Baek, Jung Hyun Kim, Chang Ho Ahn, Mee Kyung Kim, Gyo Ri Park, Sun Woong Song, Ki Chae Jung
  • Publication number: 20200195428
    Abstract: The present invention relates to a method and an apparatus for quantum key distribution according to a continuous-variable quantum key distribution protocol, which distributes the quantum key in a reverse post-processing manner and, after photon sub traction at a receiver (Bob), detects bit information from a received quantum state to calculate and share the quantum key, such that security can be further enhanced and a cryptographic key generation rate can be increased since the cryptographic key is not exposed to an attacker (Eve).
    Type: Application
    Filed: January 4, 2018
    Publication date: June 18, 2020
    Inventors: June Koo Rhee, Kyong Chun Lim, Chang Ho Suh
  • Patent number: 10685271
    Abstract: An integrated circuit is disclosed. The integrated circuit includes a UHF RFID tag physical layer that rectifies a UHF RFID signal acquired through a first antenna using a first rectifier to generate a first DC voltage, an NFC tag physical layer that rectifies an NFC signal acquired through a second antenna to generate a second DC voltage, a microcontroller unit, a non-volatile memory that stores data processed and data to be processed by the UHF RFID tag physical layer, and data processed and data to be processed by the NFC tag physical layer under control of the microcontroller unit, and a detector that detects a voltage input of one of the first DC voltage and the second DC voltage, and supplies the detected DC voltage to one of the UHF RFID tag physical layer and the NFC tag physical layer, the microcontroller unit, and the non-volatile memory.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: June 16, 2020
    Assignee: 3A LOGICS Co., LTD.
    Inventors: Pyeong Han Lee, Kwang Beom Park, Sung Hun Chun, Chang Ho Ryu, Sung Wan Kim
  • Publication number: 20200184780
    Abstract: The present disclosure relates to a transit transfer path unit structure connecting a supply/collection cassette and a banknote transfer path of an upper main body in an ATM which includes the upper main body and a lower main body and has a structure in which the supply/collection cassette is mounted on one side of the lower main body. The transit transfer path unit is disposed on one side of the upper main body of the ATM, and detachably provided between the supply/collection cassette and the banknote transfer path provided in the upper main body for separation from a banknote transfer route. Thus, the upper main body may be easily pulled to the front or rear of the ATM without any interference with the transit transfer path unit to perform the maintenance work, enhancing the convenience of the maintenance of the ATM.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 11, 2020
    Inventors: Chang Ho PARK, Jae Hoon KWAK, Suk Joo KIM, Tae Min CHOI, Hyun Sung CHUNG
  • Publication number: 20200180504
    Abstract: A lamp for a vehicle includes a light source unit that generates light and an optical unit for guiding the light. The light source unit includes a plurality of light sources arranged in a matrix shape, and the optical unit includes a plurality of optical members disposed in a traveling direction of the light. The light generated from the plurality of light sources passes through the optical unit to form a beam pattern.
    Type: Application
    Filed: November 22, 2019
    Publication date: June 11, 2020
    Applicant: SL Corporation
    Inventors: Hyeong Do KIM, Jong Woon KIM, Chang Ho RYU
  • Publication number: 20200183543
    Abstract: The present invention is a control device that controls an operation of at least one electric device and includes a user interface unit configured to receive an operation command for the at least one electric device, the user interface unit having a notification window associated with the at least one electric device in a home screen; and a control unit configured to, when an event associated with the at least one electric device has occurred, perform control such that notification information associated with the event is displayed in the notification window, and when the notification information is selected, perform control such that the home screen is switched to at least one of a service screen and a control screen.
    Type: Application
    Filed: February 11, 2020
    Publication date: June 11, 2020
    Inventors: Ji Hyun JEON, Young Sun SHIN, Hye Jung CHANG, Bo Kyu WON, Chang Ho HA, Sun Young SEO, So Young YUN, Ji Yoon YOON, Eun Kyung HONG
  • Patent number: 10657888
    Abstract: A driving method for a pixel driving circuit comprising a driving transistor and a light-emitting element is provided. The driving method comprises: in response to a first scanning signal on a first scanning signal line, performing initialization of the pixel driving circuit; in response to a second scanning signal on a second scanning signal line and the first scanning signal on the first scanning signal line, compensating threshold voltage deviation of the driving transistor and providing a data signal voltage; in response to a first light-emitting signal on a first light-emitting signal line and a second light-emitting signal on a second light-emitting signal line, generating, by the driving transistor, driving current corresponding to the data signal voltage; and in response to the driving current, emitting light by the light-emitting element. At least one clock signal period is provided after initialization is completed and before the threshold voltage deviation is compensated.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: May 19, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yana Gao, Xingyao Zhou, Yue Li, Chang-ho Tseng, Yuan Li
  • Patent number: 10659374
    Abstract: A frame transmission controlling apparatus includes: a list configuration unit managing a parameter related to a gate control; a cycle timer unit managing a start timing of a cycle; a list executing unit performing the gate control based on the parameter, wherein the list executing unit includes: a cycle executing state machine setting an expiration time of at least one section included in the cycle, checking gate operation information corresponding to a list pointer indicating the at least one section, and performing a control corresponding to the gate operation information; a delaying state machine deducting and updating the expiration time by a predetermined unit; a cycle holding state machine generating a control signal indicating stopping transmission in MAC; and a cycle releasing state machine generating a control signal indicating resuming the transmission in MAC.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: May 19, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chang Ho Choi, Tae Kyu Kang, Jeong Dong Ryoo, Tae Sik Cheung
  • Patent number: 10658478
    Abstract: A semiconductor device includes a composite gate structure formed over a semiconductor substrate. The composite gate structure includes a gate dielectric layer, a metal layer, and a semiconductor layer. The metal layer is disposed on the gate dielectric layer. The semiconductor layer is disposed on the gate dielectric layer. The metal layer surrounds the semiconductor layer.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: May 19, 2020
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chi-Feng Huang, Chia-Chung Chen, Victor Chiang Liang, Meng-Chang Ho, Chung-Hao Chu, Tz-Hau Guo
  • Publication number: 20200152676
    Abstract: A method of making a semiconductor device includes etching a substrate to define a trench in a substrate, wherein the trench is adjacent to an active region in the substrate, and etching the substrate includes patterning a mask. The method further includes partially removing the mask to expose a first portion of the active region, wherein the first portion extends a first distance from the trench. The method further includes depositing a dielectric material to fill the trench and cover the first portion of the active region. The method further includes removing the mask, wherein the removing of the mask includes maintaining the dielectric material covering the first portion of the active region. The method further includes forming a gate structure over the active region and over the dielectric material.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 14, 2020
    Inventors: Victor Chiang LIANG, Fu-Huan TSAI, Fang-Ting KUO, Meng-Chang HO, Yu-Lin WEI, Chi-Feng HUANG
  • Patent number: 10649231
    Abstract: A switchable type touch display device includes: a display panel displaying an image; a touch polarization control panel over the display panel, wherein the touch polarization control panel includes: first and second touch polarization control substrates; a first electrode on an inner surface of the first touch polarization control substrate; a second electrode on an inner surface of the second touch polarization control substrate; a third electrode on an outer surface of the second touch polarization control substrate; and a polarization control liquid crystal layer between the first and second touch polarization control substrates; and a lens panel over the touch polarization control panel.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: May 12, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Chung-Hwan An, Chang-Ho Lee, Keong-Jin Lee, Joo-Ah Kim, Tae-Young Heo
  • Publication number: 20200138590
    Abstract: The present invention provides a spinal implant structure. The spinal implant structure comprises a first tube, a second tube and at least one expansion arm. The second tube is disposed on the horizontal orientation of the first tube and does not overlap with the first tube. The diameter of the first tube is larger than that of the second tube. One end of the expansion arm is connected to the first tube, and the other end of the expansion arm is free end. The expansion arm and the first tube create an angle. The expansion arm includes a supporting arm. One end of the supporting arm is connected to the expansion arm, and the other end of the supporting arm is connected the second tube. The support arm, in response to a change in a distance between the first tube and the second tube, drives the expansion arm to move, thereby increasing the included angle and expanding the spinal implant structure.
    Type: Application
    Filed: January 8, 2020
    Publication date: May 7, 2020
    Applicants: GROUP INNOMED BIOTECH CO., LTD., WILTROM CO., LTD.
    Inventors: Chang-Ho Tseng, Meng-Yuan Tsai
  • Publication number: 20200143218
    Abstract: An integrated circuit is disclosed. The integrated circuit includes a UHF RFID tag physical layer that rectifies a UHF RFID signal acquired through a first antenna using a first rectifier to generate a first DC voltage, an NFC tag physical layer that rectifies an NFC signal acquired through a second antenna to generate a second DC voltage, a microcontroller unit, a non-volatile memory that stores data processed and data to be processed by the UHF RFID tag physical layer, and data processed and data to be processed by the NFC tag physical layer under control of the microcontroller unit, and a detector that detects a voltage input of one of the first DC voltage and the second DC voltage, and supplies the detected DC voltage to one of the UHF RFID tag physical layer and the NFC tag physical layer, the microcontroller unit, and the non-volatile memory.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 7, 2020
    Inventors: Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU, Sung Wan KIM
  • Publication number: 20200144315
    Abstract: A semiconductor device includes a substrate and an isolation feature. The isolation feature includes a first portion in the substrate, and a second portion extending along a top surface of the substrate, wherein a bottom surface of the second portion is below the top surface of the substrate. The semiconductor device further includes a gate structure over the substrate, wherein the gate structure extends along a top surface of the second portion of the isolation feature.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 7, 2020
    Inventors: Victor Chiang LIANG, Fu-Huan TSAI, Fang-Ting KUO, Meng-Chang HO, Yu-Lin WEI, Chi-Feng HUANG
  • Patent number: 10641320
    Abstract: Provided is a shock reducing tape spring hinge including fixing members fixed to at least two objects, respectively, a thin shell type tape spring having both end portions that are fastened to the fixing members, respectively, and a shell-shaped damping plate aligned with the tape spring, the damping plate having both end portions that are fastened to the fixing members, respectively. The damping plate and the tape spring may be configured to connect the at least two objects being spaced through the fixing members, and the damping plate may be configured to reduce a deployment shock occurring when the tape spring is deployed.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: May 5, 2020
    Assignee: KOREA AEROSPACE RESEARCH INSTITUTE
    Inventors: Chang Ho Lee, Kyung Won Kim, Ju Won Jeong, Young Jin Kim, Jung Ju Lee
  • Patent number: 10633515
    Abstract: Disclosed herein is an artificial marble chip having a color gradient from a surface thereof to inside.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: April 28, 2020
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jong Chul Park, Dong Jun Kim, Chang Ho Son, Doo Kyo Jeong
  • Publication number: 20200123057
    Abstract: A resin composition for engineered stone according to the present invention is characterized by comprising: a matrix resin; an inorganic aggregate; and zinc oxide which has an average particle diameter of approximately 0.8 to approximately 3 ?m, and in which the size ratio (B/A) between a 450 to 600 nm region peak B and a 370 to 390 nm region peak A as measured by photoluminescence is approximately 0.01 to approximately 1.0. The resin composition for engineered stone has excellent weather resistance and antibacterial properties.
    Type: Application
    Filed: June 12, 2018
    Publication date: April 23, 2020
    Inventors: Sung Jin AN, Seul Gi BAE, Chang Ho SON
  • Publication number: 20200126878
    Abstract: A display device including: a first substrate including a display area and a peripheral area; a display part disposed on the first substrate and to include a plurality of pixels; a second substrate disposed on the display part; and an inorganic layer disposed on the second substrate. The inorganic layer may include an opening, and the opening overlaps the display area and the peripheral area.
    Type: Application
    Filed: April 4, 2019
    Publication date: April 23, 2020
    Inventors: Sung-Jin YANG, Sung Hee KIM, In Ho KIM, Hyun Sik PARK, Gyeong Nam BANG, Chun Gi YOU, Chang Ho LEE, Hye Yun HAN
  • Publication number: 20200115279
    Abstract: A composition for artificial marble, of the present invention comprises: a binder resin; an inorganic filler excluding zinc oxide; and zinc oxide, wherein the zinc oxide has a size ratio (B/A), in which peak A is a 370 nm to 390 nm region and peak B is a 450 nm to 600 nm region, of approximately 0.01 to 1 during photoluminescence measurement, and has a BET surface area of approximately 10 m2/g or less.
    Type: Application
    Filed: December 19, 2017
    Publication date: April 16, 2020
    Applicant: Lotte Advanced Materials., Ltd.
    Inventors: Bong Jae JEONG, Chang Ho SON, Ju Sung KIM, Seung Yong BAE
  • Patent number: 10622704
    Abstract: An embedded antenna includes a power transfer pad connected to a circuit inside a portable terminal having a metal exterior, and a first radiation unit which is connected to the power transfer pad so as to radiate a signal of a first passband, and a second radiation unit which is connected to the metal exterior so as to radiate a signal of a second passband.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: April 14, 2020
    Assignee: EMW CO., LTD.
    Inventors: Chang Ho Hong, Won Mo Seong