Patents by Inventor Hyun-wook Lim

Hyun-wook Lim 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: 12176306
    Abstract: An apparatus and method for generating an electrical circuit of semiconductor channel resistor including a first passive element part including a resistor and a capacitor connected in parallel between a first port and a second port, and an ohmic resistor connected in series to the resistor and the capacitor which are connected in parallel are provided. The apparatus includes a substrate selection part configured to receive a selected substrate item; a resistor selection part configured to receive a selected resistor item; a capacitor selection part configured to receive a selected capacitor item; and a circuit generating part configured to generate an electrical circuit from the selected substrate item, the selected resistor item, and the selected capacitor item.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: December 24, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sang Heung Lee, Soo Cheol Kang, Seong Il Kim, Hae Cheon Kim, Youn Sub Noh, Ho Kyun Ahn, Jong Won Lim, Sung Jae Chang, Hyun Wook Jung
  • Patent number: 12166101
    Abstract: A method of manufacturing a high-electron-mobility transistor device is provided. The method includes sequentially forming a transition layer and a semiconductor layer on a substrate, etching a portion of a surface of the semiconductor layer to form a barrier layer region having a certain depth and forming a barrier layer in the barrier layer region, forming a source electrode and a drain electrode on a 2-dimensional electron gas (2-DEG) layer upward exposed at a surface of the semiconductor layer, in defining the 2-DEG layer formed along an interface between the semiconductor layer and the barrier layer, forming a passivation layer on the semiconductor layer, the barrier layer, the source electrode, and the drain electrode and etching a portion of the passivation layer to upward expose the source electrode, the drain electrode, and the barrier layer, and forming a gate electrode on the upward exposed barrier layer.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: December 10, 2024
    Assignee: ELECTRONICS AND TELECOMMINICATIONS RESEARCH INSTITUTE
    Inventors: Soo Cheol Kang, Hyun Wook Jung, Seong IL Kim, Hae Cheon Kim, Youn Sub Noh, Ho Kyun Ahn, Sang Heung Lee, Jong Won Lim, Sung Jae Chang, Il Gyu Choi
  • Publication number: 20240383679
    Abstract: A ceiling storage system includes a first support rail and a second support rail that extend in a first direction; a first driving rail that extends in the first direction and is parallel to the first support rail and the second support rail; a second driving rail movably coupled to the first support rail, the second support rail, and the first driving rail, where the second driving rail is configured to move along the first support rail, the second support rail, and the first driving rail; a transfer vehicle movably coupled to the second driving rail and configured to move along the second driving rail; and a connection device that connects the first driving rail and the second driving rail to each other, where the connection device and the second driving rail are rotatable around a first axis that is parallel to the first direction.
    Type: Application
    Filed: December 21, 2023
    Publication date: November 21, 2024
    Inventors: Young Wook Kim, Seung Gyu Kang, Hyun Jae Kang, Sang Min Kim, Jae Sung Byun, Yong-Jun Ahn, Hyun Woo Lee, Jeong Hun Lim, Jun Hyuk Chang
  • Patent number: 12131978
    Abstract: The present invention improves a heat dissipation property of a semiconductor device by transferring hexagonal boron nitride (hBN) with a two-dimensional nanostructure to the semiconductor device. A semiconductor device of the present invention includes a substrate having a first surface and a second surface, a semiconductor layer formed on the first surface of the substrate, an hBN layer formed on at least one surface of the first surface and the second surface of the substrate, and a heat sink positioned on the second surface of the substrate. A radiation rate of heat generated during driving of an element is increased to decrease a reduction in lifetime of a semiconductor device due to a temperature increase. The semiconductor device has a structure and configuration which are very effective in improving a rapid temperature increase due to heat generated by high-power semiconductor devices.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: October 29, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Il Gyu Choi, Seong Il Kim, Hae Cheon Kim, Youn Sub Noh, Ho Kyun Ahn, Sang Heung Lee, Jong Won Lim, Sung Jae Chang, Hyun Wook Jung
  • Patent number: 12068185
    Abstract: An article transfer system includes a plurality of stage modules respectively provided at a plurality of layers, an interlayer transfer apparatus configured to transfer an article to each of the plurality of stage modules, and a plurality of loading and unloading apparatus respectively provided on each stage module of the plurality of stage modules, the plurality of loading and unloading apparatus configured to load an article onto respective stage modules of the plurality of stage modules. The interlayer transfer apparatus includes a mast frame extending so as to intersect each stage module of the plurality of stage modules, and a plurality of carriage units configured to move along a length direction of the mast frame, transfer articles, and move in a parallel manner with each other.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: August 20, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Wook Kim, Sang Min Kim, Chul-Jun Park, Jae Sung Byun, Yong-Jun Ahn, Sang Kyung Lee, Hyun Woo Lee, Jeong Hun Lim, Jun Hyuk Chang, Kyu Bum Cho
  • Publication number: 20240266251
    Abstract: A direct cooling type semiconductor package unit includes a substrate made of a material capable of manufacturing a semiconductor device, and having a material layer for forming the semiconductor device stacked on one side of the substrate, and a flow channel through which a cooling fluid flows formed on the other side of the substrate to enable direct cooling of the semiconductor device using the cooling fluid; a packaging block disposed at a position spaced apart from the substrate for packaging the semiconductor device, and having an electrode electrically connected to the semiconductor device through wiring and placed thereon to be insulated; a heat sink unit disposed on a lower side of the packaging block and having a fluid movement region formed at a position corresponding to a flow channel of the substrate; and a thin film type structure disposed between the substrate and the heat sink unit for coupling between the substrate and the heat sink unit and being moldable to have pattern structures of variou
    Type: Application
    Filed: February 4, 2024
    Publication date: August 8, 2024
    Inventors: Jun Rae PARK, Min Soo KANG, Hae Cheon KIM, Hyoung Soon LEE, Sung Jae CHANG, Hyun Wook JUNG, Il Gyu CHOI, Seong Il KIM, Sang Heung LEE, Ho Kyun AHN, Jong Won LIM
  • Publication number: 20240266253
    Abstract: Provided is a direct cooling device for an integrated circuit configured to form a direct cooling portion with a flow channel through which cooling fluid may flow in a through via hole of a substrate constituting the integrated circuit, and to couple the substrate to a heat sink unit through a bonding portion formed integrally with the direct cooling portion, unlike the prior art in which only a ground circuit is possible through the through via hole, which derives the effect of increasing product reliability due to improved thermal management efficiency of the integrated circuit by directly cooling the semiconductor device as well as the ground circuit, and the effect of simplifying and miniaturizing the structure by implementing the cooling function using a circuit for grounding the semiconductor device even without forming an additional flow path structure for cooling the semiconductor device.
    Type: Application
    Filed: February 4, 2024
    Publication date: August 8, 2024
    Inventors: Min Soo KANG, Jun Rae PARK, Hae Cheon KIM, Hyoung Soon LEE, Sung Jae CHANG, Hyun Wook JUNG, Il Gyu CHOI, Seong Il KIM, Sang Heung LEE, Ho Kyun AHN, Jong Won LIM
  • Patent number: 12040110
    Abstract: Disclosed are an oriented electrical steel sheet and a manufacturing method thereof. An exemplary embodiment of the present invention provides a method of manufacturing an oriented electrical steel sheet, including: providing a slab including Si at 1.0 to 4.0 wt %, C at 0.1 to 0.4 wt %, and the remaining portion including Fe and other inevitably incorporated impurities; reheating the slab; producing a hot rolled steel sheet by hot rolling the slab; performing annealing of the hot rolled steel sheet; cold rolling the annealed hot rolled steel sheet; decarburizing and primary annealing the cold rolled steel sheet; cold rolling the decarburized and annealed steel sheet; and secondary annealing the cold rolled steel sheet.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: July 16, 2024
    Assignee: POSCO CO., LTD
    Inventors: Hyun-Seok Ko, Kyu-Seok Han, Hyung-Ki Park, Jin-Wook Seo, Jae-Soo Lim, Hyung Don Joo
  • Publication number: 20240149751
    Abstract: A dual release actuator for a vehicle seat includes a motor, a cable carrier configured to receive power of the motor, thereby rotating to selectively pull one of two different cables, a Hall sensor to sense rotation of the motor, and a controller configured to count a sensing pulse of the Hall sensor for controlling rotation of the motor.
    Type: Application
    Filed: May 17, 2023
    Publication date: May 9, 2024
    Inventors: Jae Wook Kim, Sang Soo Lee, Deok Soo Lim, Hyun Wook Lim, Sang Ho Lee, Sang Hark Lee, Hak Cheol Lee, Deok Ki Kim, Byeong Deok Choi, Hoe Cheon Kim, Hwa Young Mun, Seung Yeop Lee, Cheol Hwan Yoon, Jung Bin Lee, Byung Ju Kang
  • Patent number: 11450263
    Abstract: A method of operating a source driver, a display driving circuit, and a method of operating the display driving circuit are provided. The method of operating the source driver including a receiver, includes determining a parameter value of the receiver for optimizing a receiving of the receiver, through training, and transmitting the parameter value to a timing controller external to the source driver. The method of operating the source driver further includes, based on an abnormal state occurring in the receiving of the receiver, receiving the transmitted parameter value from the timing controller, and optimizing the receiving of the receiver based on the received parameter value.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-wook Lim, Kwi-sung Yoo, Young-min Choi, Jae-youl Lee, Dong-hoon Baek, Kyong-ho Kim, Eun-young Jin
  • Patent number: 11146378
    Abstract: A signal receiving device may not need to consider jitter characteristics of a received signal by including a transition detecting device which receives first to third input signals having different signal levels for each unit interval, compares whether a signal level of a first differential signal, which is a differential signal between the first input signal and the second input signal among the first to third input signals, is greater than a first reference signal level to output a first comparison signal, and compares whether the signal level of the first differential signal is greater than a second reference signal level different from the first reference signal level to output a second comparison signal, and a clock data recovering device which recovers a clock signal embedded in the first to third input signals on the basis of the first and second comparison signals to output the recovery clock signal.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: October 12, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Tae-Jin Kim, Jung-Hoon Chun, Jae Youl Lee, Hyun Wook Lim
  • Patent number: 11024218
    Abstract: A method of driving a display by communicating with a controller through a first channel and a second channel includes; generating recovery data from a signal received through the first channel during a frame data period, detecting a vertical blank period between frame data periods, checking a training trigger event history during the vertical blank period, and during the vertical blank period, transmitting a training request direct to the first channel through the second channel when there is a training trigger event history.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: June 1, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Wook Lim, Dong-Myun Lee, Jae-Suk Yu, Kil-Hoon Lee, Jae-Youl Lee
  • Publication number: 20210118356
    Abstract: A method of operating a source driver, a display driving circuit, and a method of operating the display driving circuit are provided. The method of operating the source driver including a receiver, includes determining a parameter value of the receiver for optimizing a receiving of the receiver, through training, and transmitting the parameter value to a timing controller external to the source driver. The method of operating the source driver further includes, based on an abnormal state occurring in the receiving of the receiver, receiving the transmitted parameter value from the timing controller, and optimizing the receiving of the receiver based on the received parameter value.
    Type: Application
    Filed: December 7, 2020
    Publication date: April 22, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-wook Lim, Kwi-sung Yoo, Young-min Choi, Jae-youl Lee, Dong-hoon Baek, Kyong-ho Kim, Eun-young Jin
  • Publication number: 20210091922
    Abstract: A signal receiving device may not need to consider jitter characteristics of a received signal by including a transition detecting device which receives first to third input signals having different signal levels for each unit interval, compares whether a signal level of a first differential signal, which is a differential signal between the first input signal and the second input signal among the first to third input signals, is greater than a first reference signal level to output a first comparison signal, and compares whether the signal level of the first differential signal is greater than a second reference signal level different from the first reference signal level to output a second comparison signal, and a clock data recovering device which recovers a clock signal embedded in the first to third input signals on the basis of the first and second comparison signals to output the recovery clock signal.
    Type: Application
    Filed: June 1, 2020
    Publication date: March 25, 2021
    Applicants: Samsung Electronics Co., Ltd., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Tae-Jin KIM, Jung-Hoon CHUN, Jae Youl LEE, Hyun Wook LIM
  • Publication number: 20210005131
    Abstract: A method of driving a display by communicating with a controller through a first channel and a second channel includes; generating recovery data from a signal received through the first channel during a frame data period, detecting a vertical blank period between frame data periods, checking a training trigger event history during the vertical blank period, and during the vertical blank period, transmitting a training request direct to the first channel through the second channel when there is a training trigger event history.
    Type: Application
    Filed: September 17, 2020
    Publication date: January 7, 2021
    Inventors: HYUN-WOOK LIM, DONG-MYUN LEE, JAE-SUK YU, KIL-HOON LEE, JAE-YOUL LEE
  • Patent number: 10861375
    Abstract: A method of operating a source driver, a display driving circuit, and a method of operating the display driving circuit are provided. The method of operating the source driver including a receiver, includes determining a parameter value of the receiver for optimizing a receiving of the receiver, through training, and transmitting the parameter value to a timing controller external to the source driver. The method of operating the source driver further includes, based on an abnormal state occurring in the receiving of the receiver, receiving the transmitted parameter value from the timing controller, and optimizing the receiving of the receiver based on the received parameter value.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-wook Lim, Kwi-sung Yoo, Young-min Choi, Jae-youl Lee, Dong-hoon Baek, Kyong-ho Kim, Eun-young Jin
  • Patent number: 10810928
    Abstract: A method of driving a display by communicating with a controller through a first channel and a second channel includes; generating recovery data from a signal received through the first channel during a frame data period, detecting a vertical blank period between frame data periods, checking a training trigger event history during the vertical blank period, and during the vertical blank period, transmitting a training request direct to the first channel through the second channel when there is a training trigger event history.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: October 20, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Wook Lim, Dong-Myung Lee, Jae-Suk Yu, Kil-Hoon Lee, Jae-Youl Lee
  • Patent number: 10698852
    Abstract: A termination circuit is provided. The termination device includes terminals configured to receive a corresponding signal; unit circuits respectively connected to the terminals, the unit circuits each including a unit resistor and a unit switch element connected to each other in series; common mode capacitors; first switch elements respectively connected between each of the unit circuits and a first corresponding common mode capacitor of common mode capacitors, each of the first switch elements being configured to turn on when the corresponding signal is received in a first mode; and second switch elements respectively connected between each of the unit circuits and a second corresponding common mode capacitor of the common mode capacitors, the second switch elements being configured to turn on when the corresponding signal is received in a second mode different from the first mode.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: June 30, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Jin Kim, Hyun Wook Lim, Seong Young Ryu, Soo Joo Lee
  • Patent number: 10600346
    Abstract: A display driving device includes a timing controller configured to generate test data having a predetermined periodicity, and a source driver configured to drive source lines of a display panel using the test data, determine that a bit error has been generated when aperiodicity appears in the test data, and measure a bit error rate (BER) based on the bit error.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: March 24, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyong Ho Kim, Young Min Choi, Dong Hoon Baek, Jae Youl Lee, Hyun Wook Lim
  • Patent number: 10355700
    Abstract: A method of recovering a clock and data from an input data signal including an embedded clock, the method including generating a recovery clock signal from the input data signal based on a first window signal; detecting a unit interval corresponding to one bit of the input data signal based on the recovery clock signal; delaying a signal synchronized with the recovery clock signal based on the unit interval; and generating the first window signal based on the delayed signal.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: July 16, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Pil Lim, Kyung-Ho Ryu, Jae-Suk Yu, Jae-Youl Lee, Dong-Myung Lee, Hyun-Wook Lim