Patents Assigned to Semicon Co., Ltd.
  • METHOD AND DEVICE FOR ENCODING/DECODING IMAGE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
    Publication number: 20240031562
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. An image decoding method may comprise configuring a plurality of reference sample lines, reconstructing an intra prediction mode of a current block, and performing intra prediction for the current block based on the intra prediction mode and the plurality of reference sample lines.
    Type: Application
    Filed: July 18, 2023
    Publication date: January 25, 2024
    Applicant: LX Semicon Co., Ltd.
    Inventors: Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • METHOD AND DEVICE FOR ENCODING/DECODING IMAGE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
    Publication number: 20240031561
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. An image decoding method may comprise configuring a plurality of reference sample lines, reconstructing an intra prediction mode of a current block, and performing intra prediction for the current block based on the intra prediction mode and the plurality of reference sample lines.
    Type: Application
    Filed: July 17, 2023
    Publication date: January 25, 2024
    Applicant: LX Semicon Co., Ltd.
    Inventors: Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • METHOD AND DEVICE FOR ENCODING/DECODING IMAGE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
    Publication number: 20240022716
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. An image decoding method may comprise configuring a plurality of reference sample lines, reconstructing an intra prediction mode of a current block, and performing intra prediction for the current block based on the intra prediction mode and the plurality of reference sample lines.
    Type: Application
    Filed: July 17, 2023
    Publication date: January 18, 2024
    Applicant: LX Semicon Co., Ltd.
    Inventors: Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • DATA PROCESSING DEVICE, DATA DRIVING DEVICE, AND DISPLAY PANEL DRIVING DEVICE FOR DRIVING DISPLAY PANEL
    Publication number: 20240013749
    Abstract: The present disclosure relates to a technology for driving a display panel, wherein setting data for setting an environment of a high-speed communication is transmitted through a low-speed communication before performing a high-speed communication for image data, thereby reducing errors in the high-speed communication and increasing the communication speed.
    Type: Application
    Filed: August 10, 2023
    Publication date: January 11, 2024
    Applicant: LX Semicon Co., Ltd.
    Inventors: Do Seok KIM, Yong Hwan MUN, Myung Yu KIM, Hyun Pyo CHO
  • POWER SUPPLY SYSTEM FOR DISPLAY APPARATUS
    Publication number: 20240013736
    Abstract: A power supply system for a display apparatus, in which a structure for supplying operating voltages for a display panel is improved, and the power supply system may improve power efficiency by generating operating voltages using a system voltage of a high level.
    Type: Application
    Filed: June 23, 2023
    Publication date: January 11, 2024
    Applicant: LX Semicon Co., Ltd.
    Inventors: Won Suk JANG, Tae Kyu NAM, Young Kook AHN, Chang Jin JEONG
  • LIGHT EMITTING DIODE DRIVING CIRCUIT AND BACKLIGHT APPARATUS OF DISPLAY
    Publication number: 20240008152
    Abstract: An LED driving circuit can include a switching element connected to one end of an LED string and configured to adjust current flowing through the LED string, and a withstanding-voltage reducing circuit connected in parallel with the switching element and configured to allow a leakage current to flow when a voltage at a point connected in parallel with the switching element exceeds a predetermined voltage.
    Type: Application
    Filed: June 28, 2023
    Publication date: January 4, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventors: Jangsu KIM, Sangsuk KIM, Jihwan KIM, Kyeongrok LEE, Jongmin LEE
  • TOUCH/DISPLAY DRIVING CIRCUIT AND DEVICE INCLUDING SAME
    Publication number: 20240004496
    Abstract: A power circuit according to the present disclosure may include a multiplexer connected to a first power line and a second power line and selecting and outputting one of a first voltage supplied through the first power line and a second voltage supplied through the second power line. Further, the power circuit may include a first power circuit which generates a first driving voltage and a second driving voltage by using a voltage supplied from the multiplexer, recognizes whether there is the first voltage supplied through the first power line, and does not output the first driving voltage when the first voltage is not recognized.
    Type: Application
    Filed: September 13, 2023
    Publication date: January 4, 2024
    Applicant: LX Semicon Co., Ltd.
    Inventor: Seong Sik YOON
  • Data transmission/reception system and data transmission/reception method of data driving device and data processing device
    Patent number: 11862124
    Abstract: The present disclosure relates to a data transmission and reception method of a data driving device and a data processing device as well as a data transmission and reception system, and more particularly, to a method and a system in which the data driving device receives an initial configuration value from the data processing device, stores the initial configuration value as a configuration restoration value, and rapidly restore an environment for a high-speed communication by using the stored configuration restoration value when a link between the data processing device and the data driving device is lost so as to reduce a time for restoration.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: January 2, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Ho Sung Hong, Gi Baek Choi, Sang Min Lee, Jung Bae Yun
  • Touch sensing device having group correction unit and driving method thereof
    Patent number: 11861104
    Abstract: A touch sensing device is connected to a plurality of touch sensors to drive the plurality of touch sensors and to receive a sensing signal. The touch sensing device includes an input unit generating pieces of sensing data by using a sensing signal input from each of the plurality of touch sensors and a correction unit dividing the pieces of sensing data into a plurality of groups and applying different correction values to the sensing data of each of the plurality of groups to generate correction data.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: January 2, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jung Min Choi, Jin Yong Kim, Jae Hyun Cho, Jae Duck Kim
  • Motor driver and method of driving motor
    Patent number: 11863110
    Abstract: The present disclosure relates to a motor driver and a method of driving a motor capable of driving a motor with optimum efficiency. The method of driving the brushless direct current (BLDC) motor may include an initial driving operation, a test operation of adjusting a turn-on time and a transition time in the test mode step by step, driving the BLDC motor by applying the adjusted turn-on time and the adjusted transition time, and detecting a driving error of the BLDC motor, an operation of repeating the test operation when the driving error is not detected in the test operation, and an operation of setting the turn-on time and the transition time, which are adjusted in an operation just before the driving error is detected, as a turn-on time and a transition time in an optimum driving mode.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: January 2, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Il Kwon Kim, Jae Hyun Ha
  • Oscillator circuit, semiconductor integrated circuit device and method for frequency correction of oscillator circuit
    Patent number: 11863185
    Abstract: The present embodiment relates to an oscillator circuit, a semiconductor integrated circuit device and a method for frequency correction of an oscillator circuit, and more particularly, to an oscillator circuit, a semiconductor integrated circuit device and a method for frequency correction of an oscillator circuit capable of stably maintaining an output frequency of a clock signal even when a temperature of the semiconductor integrated circuit device changes.
    Type: Grant
    Filed: October 13, 2022
    Date of Patent: January 2, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventor: Yong Sung Ahn
  • METHOD AND APPARATUS FOR ENCODING/DECODING A VIDEO USING A MOTION COMPENSATION
    Publication number: 20230421775
    Abstract: The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: deriving a spatial merge candidate from at least one of spatial candidate blocks of a current block, deriving a temporal merge candidate from a co-located block of the current block, and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the derived temporal merge candidate, wherein a reference picture for the temporal merge candidate is selected based on a reference picture list of a current picture including the current block and a reference picture list of a co-located picture including the co-located block.
    Type: Application
    Filed: July 7, 2023
    Publication date: December 28, 2023
    Applicant: LX Semicon Co., Ltd.
    Inventors: Dong San JUN, Ha Hyun LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Touch sensing signal processing circuit
    Patent number: 11853514
    Abstract: The present disclosure discloses a touch sensing signal processing circuit which senses a change in capacitance of a sensing node for touch sensing and provides a logic signal corresponding to the touch sensing. The touch sensing signal processing circuit of the present disclosure is configured using a delta-sigma analog to digital converter. Auto-tuning may be performed by delta-sigma analog conversion.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: December 26, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jae Duck Kim, Kyung Hwan Kim, Ho Jin Kang
  • Data driving integrated circuit and method of driving the same
    Patent number: 11854463
    Abstract: A data driving integrated circuit of the present embodiment may include a digital to analog converter configured to change a digital signal into an analog signal and an amplifier configured to receive the analog signal through an input terminal and output a data voltage to a pixel connected to a data line, wherein the amplifier may receive, as feedback, one of a plurality of output signals from a plurality of output terminals.
    Type: Grant
    Filed: June 10, 2022
    Date of Patent: December 26, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jae Uk Jeon, Man Jeong Ko, Byung Seob Song, Jung Bae Yun
  • Touch circuit and method for controlling touch circuit
    Patent number: 11847277
    Abstract: An embodiment provides a touch circuit including a touch driving circuit supplying touch driving signals to touch electrodes, a touch sensing circuit sensing capacitance changes of the touch electrodes through touch sensing lines, and multiplexers, connected with the touch sensing lines, each transferring a capacitance change of a touch electrode to the touch sensing circuit. Some of the touch electrodes of the touch circuit are selectively short-circuited depending on a driving mode of the touch circuit and the touch electrodes are electrically connected with each other through the connection of nodes of the touch electrodes.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: December 19, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Sik Dongbang, Moon Ho Jang
  • Display apparatus and driving method thereof
    Patent number: 11847979
    Abstract: Disclosed is a display apparatus which may prevent a settling time from being changed when image data input to a source drive integrated circuit (IC) is changed, for voltage interpolation. The display apparatus includes a source drive integrated circuit (IC) configured to sequentially perform a first voltage interpolation and a second voltage interpolation at every horizontal period so as to drive a data line by using N bit image data including an M bit interpolation code and an N?M bit image code.
    Type: Grant
    Filed: December 1, 2022
    Date of Patent: December 19, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventor: Byeong Ho Jeong
  • INTEGRATED CIRCUIT, DATA DRIVING APPARATUS, AND CHIP-ON-FILM PACKAGE
    Publication number: 20230402419
    Abstract: A chip-on-film package includes plurality of bumps may be arranged on an integrated circuit, and a plurality of metallic lines are connected to the bumps, thereby transmitting data to a panel, and in a data driving apparatus which may be implemented as the integrated circuit, first bumps and second bumps may be arranged in the same direction in a staggered manner.
    Type: Application
    Filed: April 6, 2023
    Publication date: December 14, 2023
    Applicant: LX Semicon Co., Ltd.
    Inventors: Yong Sung AHN, Hyo Joong KIM, Kyu Tae LEE, Hyun Soo LEE, Jun Seong IM
  • Touch sensing apparatus
    Patent number: 11842020
    Abstract: The present disclosure relates to a technology to sense a touch panel on which vertical pattern electrodes and horizontal pattern electrodes are disposed and provides a technology to identify touch coordinates based on sensing values of the vertical pattern electrodes and the horizontal pattern electrodes.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: December 12, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventor: Chan Hee Han
  • IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
    Publication number: 20230396791
    Abstract: The present invention is about an image encoding/decoding method and apparatus. According to present invention, a method of decoding an image, the method comprising, loading information of a neighboring block of a current block; decoding a current block using the loaded information of the neighboring block; and saving information of the current block that is decoded.
    Type: Application
    Filed: August 17, 2023
    Publication date: December 7, 2023
    Applicant: LX SEMICON CO., LTD.
    Inventors: Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Jin Ho LEE, Hui Yong KIM
  • VOLTAGE DROP COMPENSATION SYSTEM OF DISPLAY PANEL, AND DISPLAY DRIVING DEVICE FOR COMPENSATING FOR VOLTAGE DROP OF DISPLAY PANEL
    Publication number: 20230395011
    Abstract: A voltage drop compensation system and a display driving device for compensating for a voltage drop of a display panel. The voltage drop compensation system generates a voltage drop compensation value for each of a plurality of regions into which a test image of a panel is divided, and the display driving device compensates for a voltage drop for each region of image data using the voltage drop compensation value.
    Type: Application
    Filed: August 23, 2023
    Publication date: December 7, 2023
    Applicant: LX Semicon Co., Ltd.
    Inventors: Jun Young PARK, Min Ji LEE, Gang Won LEE, Young Kyun KIM, Ju Hyoung LIM, Ji Won LEE