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: 12008964
    Abstract: A display device includes pixels, an image converter which generates a second image by correcting grayscales of a first logo in a first image for the pixels, and a data driver which provides data signals corresponding to the second image to the pixels. The image converter detects the first logo based on value and saturation of the first image, generates first map data corresponding to the first logo, and specifies pixels corresponding to the first logo based on the first map data.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: June 11, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung Ki Chun, Hyeon Min Kim, Young Wook Yoo, Jun Gyu Lee, Hyun Jun Lim
  • Publication number: 20240183036
    Abstract: Provided are an epitaxial growth apparatus and a multi-layer gas supply module used therefor, the epitaxial growth apparatus including: a reaction chamber; a susceptor positioned in the reaction chamber and configured to seat a wafer thereon; and a multi-layer gas supply module configured to supply a gas to the reaction chamber to form an epitaxial layer on the wafer, wherein the multi-layer gas supply module includes an injector including ports of a plurality of layers, each of which discharges a different gas for each layer, among the ports of the plurality of layers, the ports of each layer including a center port corresponding to a central region of the wafer, and a pair of edge ports corresponding to both edge regions of the wafer, and a flow distribution unit configured to distribute gas flows input to the center port and the edge port among the ports of each layer independently from each other.
    Type: Application
    Filed: November 16, 2023
    Publication date: June 6, 2024
    Applicant: PJP TECH INC.
    Inventors: Bum Ho CHOI, Kyung Shin PARK, Hyun Ho KWON, Dong Hyoun KIM, Suk Ho LIM, Jong Wook JEONG, Seung Soo LEE
  • Publication number: 20240167196
    Abstract: Provided are an epitaxial growth apparatus and a gas supply control module used therefor, the epitaxial growth apparatus including: a reaction chamber; a susceptor positioned in the reaction chamber and configured to seat a wafer thereon; and a gas supply control module configured to control a flow of a gas flowing into the reaction chamber, wherein the gas supply control module includes an injector including a center port corresponding to a central region of the wafer, a pair of edge ports corresponding to both edge regions of the wafer, and a pair of middle ports respectively disposed between the center port and the pair of edge ports, and a flow distribution unit configured to independently distribute the gas flow input from a source module to the ports.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 23, 2024
    Applicant: PJP TECH INC
    Inventors: Bum Ho CHOI, Kyung Shin Park, Hyun Ho Kwon, Dong Hyoun Kim, Suk Ho Lim, Jong Wook Jeong, Seung Soo Lee
  • 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
  • Publication number: 20240135595
    Abstract: The present invention relates to a method and apparatus for encoding a displacement video using image tiling. A method for encoding multi-dimensional data according to an embodiment of the present disclosure may comprise: converting the multi-dimensional data into one or more frames with two-dimensional characteristics; generating one or more frame groups by grouping the one or more frames with pre-configured number units; reconstructing frames belonging to each frame group into a tiled frame; and generating a bitstream by encoding the tiled frame. Here, the tiled frame may be constructed with one or more blocks, and each block may be constructed by rearranging pixels existing at the same location in the frames.
    Type: Application
    Filed: October 17, 2023
    Publication date: April 25, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Da Yun NAM, Hyun Cheol KIM, Jeong Il SEO, Seong Yong LIM, Chae Eun RHEE, Gwang Cheol RYU, Yong Wook SEO, Hyun Min JUNG
  • Publication number: 20240076127
    Abstract: Provided is a ceiling storage system capable of correcting a working position and constantly checking stability of a structure by detecting an amount of change in a facility. According to the ceiling storage system, a transport vehicle moves to an upper portion of a first storage area of a plurality of storage areas in a state of gripping an article, and the transport vehicle measures a first distance value between the transport vehicle and the first storage area using a distance sensor and measures a relative position value between the transport vehicle and the first storage area using a vision sensor, before unloading the article from the first storage area.
    Type: Application
    Filed: May 23, 2023
    Publication date: March 7, 2024
    Inventors: Sang Kyung LEE, Seung Gyu KANG, Hyun Jae KANG, Young Wook KIM, Sang A BANG, Yong-Jun AHN, Min Kyun LEE, Hyun Woo LEE, Jeong Hun LIM, Jun Hyuk CHANG
  • 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
  • Publication number: 20190197941
    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: October 23, 2018
    Publication date: June 27, 2019
    Inventors: HYUN-WOOK LIM, DONG-MYUNG LEE, JAE-SUK YU, KIL-HOON LEE, JAE-YOUL LEE
  • Publication number: 20190158100
    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: Application
    Filed: October 3, 2018
    Publication date: May 23, 2019
    Inventors: JUNG-PIL LIM, KYUNG-HO RYU, JAE-SUK YU, JAE-YOUL LEE, DONG-MYUNG LEE, HYUN-WOOK LIM
  • Publication number: 20190087373
    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: Application
    Filed: March 30, 2018
    Publication date: March 21, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Jin KIM, Hyun Wook LIM, Seong Young RYU, Soo Joo LEE