Patents Assigned to LX Semicon Co., Ltd.
  • Publication number: 20250118636
    Abstract: A power converter including a power semiconductor module and a power semiconductor module, and a method of manufacturing the same comprising an insulating substrate for a heat dissipation substrate, a heat dissipation substrate for a power semiconductor module, a power semiconductor module including a heat dissipation substrate. A heat dissipation substrate for a power semiconductor module may include a first metal plate, an insulating substrate bonded to the first metal plate, and a second metal plate bonded to the insulating substrate. A first thickness of the first metal plate may be different from the second thickness of the second metal plate. The first thickness of the first metal plate may be thinner than the second thickness of the second metal plate. The first metal plate may comprise a circuit pattern electrically connected to a power semiconductor device, and the second metal plate may include a marked unique code.
    Type: Application
    Filed: May 30, 2024
    Publication date: April 10, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventor: Min Yup JANG
  • Publication number: 20250118624
    Abstract: The embodiment relates to a power converter including a power semiconductor module and a power semiconductor module, and a method of manufacturing the same comprising an insulating substrate for a heat dissipation substrate, a heat dissipation substrate for a power semiconductor module, a power semiconductor module including a heat dissipation substrate. The method of manufacturing a heat dissipation substrate for a power semiconductor module may include preparing an insulating substrate, preparing first and second metal plates, stacking the first metal plate, stacking the insulating substrate on the first metal plate, stacking the second metal plate on the insulating substrate and performing a hot-pressing process on the stacked first metal plate, the insulating substrate, and the second metal plate. A first thickness of the first metal plate may be different from a second thickness of the second metal plate.
    Type: Application
    Filed: May 30, 2024
    Publication date: April 10, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventor: Min Yup JANG
  • Publication number: 20250118573
    Abstract: The embodiment relates to a ceramic substrate for a heat dissipation substrate, a heat dissipation substrate for a power semiconductor module, a power semiconductor module including the same, a power converter including the same, and a method of manufacturing the same. The method of manufacturing a heat dissipation substrate for a power semiconductor module includes preparing an insulating substrate, preparing first and second metal plates, stacking the first metal plates, stacking the insulating substrate on the first metal plate, stacking a second metal plate on the insulating substrate and performing a hot press process on the stacked first metal plate, the insulating substrate, and the second metal plate. And A first thickness of the first metal plate may be different from a second thickness of the second metal plate.
    Type: Application
    Filed: May 31, 2024
    Publication date: April 10, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventor: Min Yup JANG
  • Publication number: 20250118680
    Abstract: A power converter including a power semiconductor module and a power semiconductor module, and a method of manufacturing the same comprising an insulating substrate for a heat dissipation substrate, a heat dissipation substrate for a power semiconductor module, a power semiconductor module including a heat dissipation substrate. A heat dissipation substrate for a power semiconductor module may include a first metal plate, an insulating substrate bonded to the first metal plate, and a second metal plate bonded to the insulating substrate. A first thickness of the first metal plate may be different from the second thickness of the second metal plate. The first thickness of the first metal plate may be thinner than the second thickness of the second metal plate. The first metal plate may comprise a circuit pattern electrically connected to a power semiconductor device, and the second metal plate may include a marked unique code.
    Type: Application
    Filed: May 31, 2024
    Publication date: April 10, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventor: Min Yup JANG
  • Publication number: 20250118242
    Abstract: A source drive integrated circuit (IC) includes: one or more digital circuit parts configured to receive a digital signal; a plurality of signal wires connected to the digital circuit parts and configured to transmit the digital signal to the digital circuit parts; and a clock wire connected to the digital circuit parts and configured to transmit a clock to the digital circuit parts. Each of the signal wires and the clock wire includes: an input wire located at the center in the length direction of the digital circuit parts; and branch wires branching off to both sides of the input wire along the length direction of the digital circuit parts.
    Type: Application
    Filed: October 9, 2024
    Publication date: April 10, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventor: Jin Young YU
  • Patent number: 12272326
    Abstract: A display driving apparatus includes an average calculator for each frame configured to calculate an average blue image signal as an average of blue image signals configuring one frame, a gain calculator configured calculate a frame gain for correcting the blue image signals configuring the one frame using the average blue image signal, and a pixel gain calculator configured to calculate a pixel gain for correcting a blue image signal of each unit pixel using the blue image signal configuring each unit pixel.
    Type: Grant
    Filed: January 5, 2024
    Date of Patent: April 8, 2025
    Assignee: LX SEMICON CO., LTD.
    Inventor: Hyeon Woon Shin
  • Patent number: 12273034
    Abstract: The present disclosure provides for sequentially turning on a plurality of power conversion modules according to the magnitude of load power at the time of driving the power conversion modules, operating power conversion modules which have already been turned on in an optimum efficiency interval, and providing increased load power through a power conversion module which has been newly turned on.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: April 8, 2025
    Assignee: LX SEMICON CO., LTD.
    Inventors: Won Suk Jang, Tae Kyu Nam, Young Kook Ahn, Sang Woo Kim, Jung Woong Park, Tae Heon Lee, In Ho Jeon
  • Patent number: 12272331
    Abstract: The present disclosure relates to a display apparatus and control method thereof. The display apparatus includes a receiver configured to receive input image data, an accumulator configured to generate a cumulative data count by analyzing a degree of degradation according to the received input image data and a burn-in factor, an interpolator configured to update the cumulative data count in a memory by applying an adaptive weight to the generated cumulative data count, and a compensator configured to generate compensation data using the input image data and the updated cumulative data count.
    Type: Grant
    Filed: December 12, 2023
    Date of Patent: April 8, 2025
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jae Chan Cho, Jun Young Park, Seul Gi Lee, Ji Won Lee
  • Patent number: 12259772
    Abstract: A power management circuit includes a control signal reception circuit configured to receive a power control signal for controlling an operation of the power management circuit in correspondence to a driving mode of a panel, from a microcontroller which receives information on the driving mode of the panel; an output signal change circuit configured to change an output signal of the power management circuit in response to the power control signal; a control target selection circuit configured to select a control target circuit to which the output signal is to be transferred; and an output signal transmission circuit configured to transfer the output signal to the control target circuit.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: March 25, 2025
    Assignee: LX SEMICON CO., LTD.
    Inventors: Seong Sik Yoon, Moon Ho Jang, Dal Eun Lee
  • Patent number: 12260047
    Abstract: Touch sensing device and touch sensing method are disclosed. A touch sensing device according to the present disclosure may include a receiving circuit configured to receive a first sensing value generated in a differential mode using a first input signal input to the first sensing electrode and a second input signal input to the second sensing electrode; and a noise determination circuit configured to receive a reference sensing value generated using the second input signal and determining the amount of noise of the first sensing value using the reference sensing value.
    Type: Grant
    Filed: August 2, 2023
    Date of Patent: March 25, 2025
    Assignee: LX SEMICON CO., LTD.
    Inventors: Youngeun Lee, Chinwan Lee, Sangmin Choi
  • Patent number: 12260803
    Abstract: The embodiment relates to a data driving device for driving pixels of a display panel. In the data driving device, two adjacent DACs can have different gate loads for the same gray level value so that the fluctuation of the gate load according to the gray level value is reduced.
    Type: Grant
    Filed: November 17, 2023
    Date of Patent: March 25, 2025
    Assignee: LX SEMICON CO., LTD.
    Inventors: Da Sol Won, Kwang Myung Kang, Yong Min Kim, Dong Keun Song, Jung Min Choi, Seon Ho Hong
  • Publication number: 20250098236
    Abstract: A power semiconductor device includes a substrate, a first epi layer of a first conductivity type disposed on the substrate, a second epi layer of a first conductivity type disposed on the first epi layer, a first well of a second conductivity type partially disposed in the first epi layer, a second well of a second conductivity type disposed on the second epi layer, an ion implantation region and a source region of the second conductivity type disposed in the second well, a source electrode in the source region, a gate insulating layer in a trench region where a portion of the ion implantation region and the second epi layer is removed, a trench gate disposed on the gate insulating layer, an interlayer insulating layer disposed on the trench gate and a gate electrode electrically connected to the trench gate.
    Type: Application
    Filed: September 18, 2024
    Publication date: March 20, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventors: Ho Jung LEE, Nam Ju KANG, Dong Kyun KIM, Kuk Tae HONG, Jun Ha HWANG
  • Publication number: 20250095607
    Abstract: Driving a display panel includes 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: December 3, 2024
    Publication date: March 20, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventors: Do Seok KIM, Yong Hwan MUN, Myung Yu KIM, Hyun Pyo CHO
  • Patent number: 12253688
    Abstract: A system for driving an actuator which is capable of providing constant resolution regardless of a type of an actuator according to an aspect of the present invention includes an actuator driving circuit configured to generate a driving current for an operating actuator and output the generated driving current to the operating actuator, a current sensing unit configured to sense a current of the operating actuator and generate a sensing signal, and a gain adjustment unit configured to calculate a gain on the basis of a first maximum driving current range of the operating actuator and a second maximum driving current range of a reference actuator and change the sensing signal on the basis of the gain. A signal generated based on the second sensing signal is input to the actuator driving circuit.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: March 18, 2025
    Assignee: LX Semicon Co., LTD
    Inventors: Dong Gil Jeong, Kyu Ho Kim, Ho Yul Choi, Chang In Park
  • Patent number: 12256062
    Abstract: The present invention relates to an image decoding method. The image decoding method comprises deriving initial motion information of a current block from at least one of motion information of a spatial neighbor block, motion information of a temporal neighbor block, and pre-defined motion information, generating refined motion information by performing motion information refinement for the initial motion information and generating a prediction block of the current block by using the refined motion information.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: March 18, 2025
    Assignee: LX Semicon Co., Ltd.
    Inventors: Sung Chang Lim, Ha Hyun Lee, Jung Won Kang, Jin Ho Lee, Hui Yong Kim
  • Publication number: 20250088181
    Abstract: Disclosed in an embodiment is a frequency control circuit. The frequency control circuit is able to compare a preset target frequency value with an output frequency value of an output signal and control the frequency of the output signal according to a comparison result.
    Type: Application
    Filed: December 23, 2022
    Publication date: March 13, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventors: Kyu Ho KIM, Jin Ho CHOI
  • Publication number: 20250089308
    Abstract: A power semiconductor device includes a substrate, a first epi layer of first conductivity type on the substrate, a second epi layer of first conductivity type on the first epi layer, a first well of second conductivity type on the second epi layer, a first conductivity type source area on the second conductivity type first well, a gate insulating layer disposed on a bottom and sidewalls of a trench area from which a portion of first conductive type source area, the first well, and the second epi layer are removed, a trench gate disposed in the trench on the gate insulating layer, a second well of second conductivity type disposed on the second epi layer and spaced apart from the gate insulating layer and an ion implantation connection region of second conductivity type connecting the first well of second conductivity type and the second well of second conductivity type.
    Type: Application
    Filed: September 6, 2024
    Publication date: March 13, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventors: Ho Jung LEE, Jin Gon KIM, Chae Deok LEE, Chung Kwang LEE
  • Patent number: 12248427
    Abstract: A system for transmitting data based on serial communication, which allows the number of slave apparatuses connectable to one master apparatus to be increased, includes a master apparatus configured to generate an input data packet including first data, second data, and control data, and a slave apparatus group consisting of a plurality of slave apparatuses connected in a daisy-chain manner to the master apparatus, wherein each of the slave apparatuses determines first identification information (ID) using bits included in the first data, extracts second ID from the second data, and controls a target device using the control data when the first ID and the second ID match.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: March 11, 2025
    Assignee: LX SEMICON CO., LTD.
    Inventors: Yun Sung Wang, Kye Young Kim
  • Patent number: 12249267
    Abstract: A method for controlling a display apparatus, including calculating at least one of a complexity or an average picture level (APL) of the received image signal, determining a final shift time of pixels based on the at least one of the calculated complexity or APL of the image signal, and shifting the received image signal in a horizontal direction or a vertical direction and outputting the shifted image signal, based on track coordinate information stored in a memory and the determined final shift time of the pixels.
    Type: Grant
    Filed: December 7, 2023
    Date of Patent: March 11, 2025
    Assignee: LX SEMICON CO., LTD.
    Inventors: Hyeon Woon Shin, Jin Han Yoon, Ho Min Lim
  • Publication number: 20250077470
    Abstract: The present invention pertains to a system for managing a reaction time of a memory, and provides a memory control system for managing a deadline for a command in real time and a display device including a memory control function. The memory control system comprises: master processors that each transmit a command and deadline information for the command; and a slave processor that receives the commands, sets a schedule as the deadline information, selects a command in an order from a fast deadline according to the schedule, and performs a process for the selected command, wherein each of the master processors provides the deadline information in which the deadline for the command is changed in response to a change in a transmission time of transmitting the command to the slave processor, and the slave processor reconfigures the schedule in response to a change in the deadline information.
    Type: Application
    Filed: December 23, 2022
    Publication date: March 6, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventor: Young Seok LEE