Patents Assigned to LX Semicon Co., Ltd.
  • Test pad and chip on film package including the same
    Patent number: 12183226
    Abstract: A chip on film (COF) package in which a predetermined driving integrated circuit (IC) is mounted includes a wiring structure connected to the driving IC, and a test pad connected to the wiring structure, wherein the test pad includes a base film divided into a first region and a second region, and a conductive layer located in the first region, and the second region is surrounded by the first region in a plan view.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: December 31, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Seung Hoon Jin, Young Min Choi
  • Method and device for encoding/decoding image, and recording medium storing bit stream
    Patent number: 12184838
    Abstract: An image encoding/decoding method and apparatus for predicting a second color component block using a first color component block are provided. An image decoding method of the present invention comprises deriving a prediction parameter using the first color component block, and predicting the second color component block using the derived prediction parameter.
    Type: Grant
    Filed: July 24, 2023
    Date of Patent: December 31, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jin Ho Lee, Hyun Suk Ko, Jung Won Kang, Sung Chang Lim, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Display apparatus and timing controller thereof
    Patent number: 12183305
    Abstract: A display apparatus and a timing controller thereof is disclosed. The timing controller detects a size of an image by using image data, generates first output image data according to the size of the image, and generates second output image data by using the first output image data. The second output image data is generated according to a saturation value of the first output image data.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: December 31, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventor: Young Jun Jun
  • Probe module for inspecting display panel, panel inspection apparatus including the same, and panel correction method of panel inspection apparatus
    Patent number: 12175942
    Abstract: Provided are a probe module for inspecting a display panel, a panel inspection apparatus including the same, and a panel correction method of the panel inspection apparatus, which are provided to correct a display panel selected as a defective display panel during manufacturing of the display panel, thereby improving manufacturing yield of the display panel.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: December 24, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventor: Ho Min Lim
  • Image encoding/decoding method and device, and recording medium in which bitstream is stored
    Patent number: 12177471
    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: Grant
    Filed: August 17, 2023
    Date of Patent: December 24, 2024
    Assignee: LX Semicon Co., Ltd.
    Inventors: Sung Chang Lim, Jung Won Kang, Ha Hyun Lee, Jin Ho Lee, Hui Yong Kim
  • FREQUENCY GENERATOR AND FREQUENCY CORRECTION METHOD FOR FREQUENCY GENERATOR
    Publication number: 20240421802
    Abstract: A frequency generator and a frequency correction method for a frequency generator, which have the purpose to provide a frequency correction technology that actively responds to continuous frequency fluctuations of a clock signal through a frequency measurement period of at least two unit periods. The frequency generator comprises: an oscillator which generates an oscillator clock signal; and a frequency correction circuit which selectively operates in one of a normal mode and a fast mode, which have different correction periods according to the state of the oscillator clock signal.
    Type: Application
    Filed: December 15, 2022
    Publication date: December 19, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventor: Hyeong Seok KIM
  • Power system for display apparatuses
    Patent number: 12170046
    Abstract: A power system for display apparatuses, which may predict in real time the amount of supplied current for displaying an image in a display apparatus, includes an image data analyzer analyzing image data input from the outside to predict a pixel degradation degree of each of pixels included in a display panel and predicting an amount of current supplied to the display panel on the basis of the predicted pixel degradation degree and a power supply supplying the display panel with power corresponding to the predicted amount of supplied current.
    Type: Grant
    Filed: June 28, 2023
    Date of Patent: December 17, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventor: Yong Sung Ahn
  • Source driver integrated circuit, method of driving the same, and timing controller
    Patent number: 12170051
    Abstract: A source driver IC capable of cancelling an output offset is provided. The source driver IC comprises a reception circuit configured to receive an input data packet from a timing controller when operating in a normal mode and obtain an image data and a first clock signal from the input data packet, a control circuit configured to receive and output the image data and the first clock signal from the reception circuit when operating in the normal mode. The control circuit is configured to receive and output a second clock signal from the timing controller when operating in a low power mode. The source driver IC further comprises an output buffer circuit configured to output a data voltage related to the image data when operating in the normal mode and maintain an output of the data voltage when operating in the low power mode.
    Type: Grant
    Filed: November 22, 2023
    Date of Patent: December 17, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Hee Yoon Jung, Woong Jin Oh, Jung Min Choi
  • Controller for multi-level converter and power management integrated circuit
    Patent number: 12170480
    Abstract: A controller for a multi-level converter compares a first voltage proportional to an input voltage or an output voltage with a second voltage proportional to a voltage of a flying capacitor and adjusting a slope of a ramp signal for generating a pulse width modulation (PWM) signal so that the second voltage follows the first voltage in controlling the multi-level converter.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: December 17, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Young Kook Ahn, Tae Kyu Nam, Won Suk Jang
  • Display processing apparatus and method for processing image data
    Patent number: 12165612
    Abstract: The present embodiment relates to an apparatus and method for processing image data for driving a display panel, and more particularly, to an apparatus and method for flexibly changing brightness of each pixel based on a representative brightness value of each image.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: December 10, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Young Jun Jun, Young Seo Yoon
  • Touch sensing device, touch sensing method, and display device
    Patent number: 12164727
    Abstract: An embodiment relates to a touch sensing device for sensing a touch by using touch electrodes disposed on a display panel. The touch sensing device can generate a touch synchronization signal based on a starting time point of a touch frame and output a touch driving signal for sensing a touch to a panel based on the generated touch synchronization signal.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: December 10, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventor: Moon Ho Jang
  • SEMICONDUCTOR DEVICE
    Publication number: 20240405088
    Abstract: The present disclosure relates to a semiconductor device, and more particularly, to a metal-oxide semiconductor device. The semiconductor device according to an embodiment of the present disclosure may include: an active region including a channel area disposed between a first region and a second region which have a first conductivity and are spaced apart from each other; a gate oxide layer disposed on the active region; and a gate metal layer disposed on the gate oxide layer, wherein at least any one of the gate oxide layer and the gate metal layer includes a first portion located inside the active region and second portions extended and located outside the active region.
    Type: Application
    Filed: June 3, 2024
    Publication date: December 5, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventor: Kee Joon CHOI
  • Chip-on-film test board
    Patent number: 12158496
    Abstract: A chip-on-film test board on which a chip-on-film is mounted according to an embodiment of the present disclosure includes a main board in which a test circuit configured to output a test pattern signal is formed, and a chip-on-film fixing part that fixes a position of the chip-on-film.
    Type: Grant
    Filed: November 2, 2022
    Date of Patent: December 3, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Min Suk Kim, Seung Il Hong, Jung Ho Kim
  • MANUFACTURING METHOD OF A HEAT DISSIPATION SUBSTRATE EQUIPPED WITH A UNIQUE CODE FOR A POWER SEMICONDUCTOR MODULE, AND A MANUFACTURING METHOD OF A POWER SEMICONDUCTOR MODULE INCLUDING A HEAT DISSIPATION SUBSTRATE EQUIPPED WITH A UNIQUE CODE
    Publication number: 20240395565
    Abstract: The embodiment relates to a power converter including a power semiconductor module and a power semiconductor module equipped with a unique code, and a method of manufacturing the same comprising a ceramic substrate for a heat dissipation substrate with a unique code, a heat dissipation substrate for a power semiconductor module with a unique code, a power semiconductor module including a heat dissipation substrate with a unique code. A method of manufacturing a heat dissipation substrate for a power semiconductor according to an embodiment includes a loading step of a ceramic substrate including an active area (AA) of the ceramic substrate and a dummy area (DA) of the ceramic substrate disposed outside the active area (AA) and a marking step of a unique code (UC) on the dummy area (DA) of the ceramic substrate.
    Type: Application
    Filed: May 3, 2024
    Publication date: November 28, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventor: Min Yup JANG
  • CERAMIC SUBSTRATE EQUIPPED WITH A UNIQUE CODE FOR A HEAT DISSIPATION SUBSTRATE, A HEAT DISSIPATION SUBSTRATE EQUIPPED WITH A UNIQUE CODE FOR A POWER SEMICONDUCTOR MODULE, AND A POWER SEMICONDUCTOR MODULE INCLUDING A HEAT DISSIPATION SUBSTRATE EQUIPPED WITH A UNIQUE CODE
    Publication number: 20240395659
    Abstract: The embodiment relates to a power converter including a power semiconductor module and a power semiconductor module equipped with a unique code, and a method of manufacturing the same comprising a ceramic substrate for a heat dissipation substrate with a unique code, a heat dissipation substrate for a power semiconductor module with a unique code, a power semiconductor module including a heat dissipation substrate with a unique code. A ceramic substrate for a heat dissipation substrate for a power semiconductor according to an embodiment includes an effective area of the ceramic substrate, a dummy area of the ceramic substrate disposed outside the effective area and a unique code marked on the dummy area of the ceramic substrate.
    Type: Application
    Filed: May 3, 2024
    Publication date: November 28, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventor: Min Yup JANG
  • Data driving device and display device including the same
    Patent number: 12154473
    Abstract: The present disclosure relates to a data driving device and a display device including the same, and more particularly, to a data driving device and a display device including the same, capable of improving the slew rate and the display speed of the display device by overdriving a pixel of a display panel with a power voltage of the data driving device.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: November 26, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventor: Jung Min Choi
  • Source driver controlling bias current
    Patent number: 12154471
    Abstract: The present disclosure, in an aspect, relates to a source driver to control a bias current, and more particularly, to a source driver, in which a bias current of a buffer is controlled depending on a distance between the source driver and a pixel in a data line and a position, regarding which a bias current is set, and the intensity of the bias current are changed in every frame so that unnecessary power consumption due to bias currents may be reduced and a block-dim phenomenon may be alleviated.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: November 26, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jung Min Choi, Hyung Sub Kim
  • Method and device for encoding/decoding image, and recording medium storing bit stream
    Patent number: 12155821
    Abstract: An image encoding/decoding method and apparatus for predicting a second color component block using a first color component block are provided. An image decoding method of the present invention comprises deriving a prediction parameter using the first color component block, and predicting the second color component block using the derived prediction parameter.
    Type: Grant
    Filed: July 24, 2023
    Date of Patent: November 26, 2024
    Assignee: LX Semicon Co., Ltd.
    Inventors: Jin Ho Lee, Hyun Suk Ko, Jung Won Kang, Sung Chang Lim, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Method and device for encoding/decoding image, and recording medium in which bitstream is stored
    Patent number: 12149685
    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: Grant
    Filed: July 18, 2023
    Date of Patent: November 19, 2024
    Assignee: 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
  • Intra prediction method and device
    Patent number: 12143577
    Abstract: The present invention relates to an intra prediction method and apparatus. The image decoding method according to the present invention may comprise decoding information on intra prediction; and generating a prediction block by performing intra prediction for a current block based on the information on intra prediction. The information on intra prediction may include information on an intra prediction mode, and the intra prediction mode may include a curved intra prediction mode.
    Type: Grant
    Filed: July 27, 2023
    Date of Patent: November 12, 2024
    Assignee: LX Semicon Co., Ltd.
    Inventors: Hyun Suk Ko, Jin Ho Lee, Sung Chang Lim, Jung Won Kang, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi