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).
-
Publication number: 20250024074Abstract: A method of encoding a dynamic mesh includes creating a base mesh through mesh decimation, subdividing the base mesh, extracting displacement information for the subdivided mesh, and encoding the base mesh and the displacement information. In this instance, mesh subdivision information for subdivision of the base mesh is encoded and signaled.Type: ApplicationFiled: July 12, 2024Publication date: January 16, 2025Applicant: Electronics and Telecommunications Research InstituteInventors: Da Yun NAM, Seong Yong LIM, Hyun Cheol KIM, Chae Eun RHEE, Yong Wook SEO, Hyun Min JUNG
-
Publication number: 20240149751Abstract: 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: ApplicationFiled: May 17, 2023Publication date: May 9, 2024Inventors: 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: 11450263Abstract: 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: GrantFiled: December 7, 2020Date of Patent: September 20, 2022Assignee: 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: 11146378Abstract: 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: GrantFiled: June 1, 2020Date of Patent: October 12, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Tae-Jin Kim, Jung-Hoon Chun, Jae Youl Lee, Hyun Wook Lim
-
Patent number: 11024218Abstract: 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: GrantFiled: September 17, 2020Date of Patent: June 1, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Wook Lim, Dong-Myun Lee, Jae-Suk Yu, Kil-Hoon Lee, Jae-Youl Lee
-
Publication number: 20210118356Abstract: 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: ApplicationFiled: December 7, 2020Publication date: April 22, 2021Applicant: 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: 20210091922Abstract: 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: ApplicationFiled: June 1, 2020Publication date: March 25, 2021Applicants: Samsung Electronics Co., Ltd., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Tae-Jin KIM, Jung-Hoon CHUN, Jae Youl LEE, Hyun Wook LIM
-
Publication number: 20210005131Abstract: 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: ApplicationFiled: September 17, 2020Publication date: January 7, 2021Inventors: HYUN-WOOK LIM, DONG-MYUN LEE, JAE-SUK YU, KIL-HOON LEE, JAE-YOUL LEE
-
Patent number: 10861375Abstract: 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: GrantFiled: September 12, 2016Date of Patent: December 8, 2020Assignee: 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: 10810928Abstract: 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: GrantFiled: October 23, 2018Date of Patent: October 20, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Wook Lim, Dong-Myung Lee, Jae-Suk Yu, Kil-Hoon Lee, Jae-Youl Lee
-
Patent number: 10698852Abstract: 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: GrantFiled: March 30, 2018Date of Patent: June 30, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Jin Kim, Hyun Wook Lim, Seong Young Ryu, Soo Joo Lee
-
Patent number: 10600346Abstract: 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: GrantFiled: March 9, 2017Date of Patent: March 24, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyong Ho Kim, Young Min Choi, Dong Hoon Baek, Jae Youl Lee, Hyun Wook Lim
-
Patent number: 10355700Abstract: 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: GrantFiled: October 3, 2018Date of Patent: July 16, 2019Assignee: 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: 20190197941Abstract: 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: ApplicationFiled: October 23, 2018Publication date: June 27, 2019Inventors: HYUN-WOOK LIM, DONG-MYUNG LEE, JAE-SUK YU, KIL-HOON LEE, JAE-YOUL LEE
-
Publication number: 20190158100Abstract: 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: ApplicationFiled: October 3, 2018Publication date: May 23, 2019Inventors: JUNG-PIL LIM, KYUNG-HO RYU, JAE-SUK YU, JAE-YOUL LEE, DONG-MYUNG LEE, HYUN-WOOK LIM
-
Publication number: 20190087373Abstract: 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: ApplicationFiled: March 30, 2018Publication date: March 21, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Jin KIM, Hyun Wook LIM, Seong Young RYU, Soo Joo LEE
-
Patent number: 10170033Abstract: A display device includes a data generator configured to generate a clock-embedded data packet, and a controller configured to control operation of the data generator. The data packet comprises a header, a first symbol comprising address information therein, and a second symbol not comprising address information, and the header comprises address information of the first symbol.Type: GrantFiled: November 22, 2016Date of Patent: January 1, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kwi Sung Yoo, Dong Hoon Baek, Dong Myung Lee, Hyun Wook Lim, Eun Young Jin, Jae Youl Lee
-
Patent number: 10141963Abstract: A method of operating a receiver includes a controller of the receiver determining whether a full initialization or a partial initialization of the receiver is needed; the controller adjusting alternating current (AC) characteristics and direct current (DC) characteristics of the receiver in a full initialization mode, and the controller adjusting the DC characteristics of the receiver in a partial initialization mode when the controller determines the partial initialization is needed.Type: GrantFiled: September 15, 2016Date of Patent: November 27, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kwi-Sung Yoo, Jae-Youl Lee, Hyun-Wook Lim, Young-Min Choi, Dong-Hoon Baek, Kyong-Ho Kim, Eun-Young Jin
-
Publication number: 20180068600Abstract: 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: ApplicationFiled: March 9, 2017Publication date: March 8, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyong Ho KIM, Young Min CHOI, Dong Hoon BAEK, Jae Youl LEE, Hyun Wook LIM
-
Patent number: 9787505Abstract: A data receiver includes a plurality of samplers, each of the samplers amplifies a difference between a first reference voltage and an input voltage and amplifies a difference between a second reference voltage and the input voltage. Operational paths of the samplers are differently controlled according to a level of second data corresponding to the second reference voltage, and first data corresponding to the first reference voltage is past data preceding current data and the second data is past data preceding the first data in the sampler.Type: GrantFiled: December 28, 2015Date of Patent: October 10, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun-Wook Lim, Sung-Won Choi