Patents Assigned to Beijing ESWIN Computing Technology Co., Ltd.
  • Patent number: 12039938
    Abstract: An over-driving method and apparatus for a display device, a display device, an electronic device, and a storage medium are provided. The display device includes a plurality of pixels, and the plurality of pixels are arranged in a plurality of rows and a plurality of columns as an array. The method includes: obtaining an initial compensation parameter according to a first average brightness level and a second average brightness level of a row of pixels; obtaining a first gain coefficient according to a value of a target pixel in the current frame and the second average brightness level corresponding to the row in which the target pixel is located, the target pixel being one pixel in the row of pixels; and obtaining a target compensation parameter of the target pixel according to the initial compensation parameter and the first gain coefficient.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: July 16, 2024
    Assignee: BEIJING ESWIN COMPUTING TECHNOLOGY CO., LTD.
    Inventors: Seung Chan Byun, Hyung Lae Kim, Tae Jin Kim
  • Patent number: 12033562
    Abstract: A control method for a data driver, a control method for a timing controller, a data driver control apparatus, a timing controller, an electronic device, and a storage medium are provided. The control method for the data driver includes: obtaining a data comparison signal, where the data comparison signal represents a comparison relationship between first display data for enabling a first pixel row to display and second display data for enabling a second pixel row to display, and in time, the second pixel row is driven to display after the first pixel row is driven to display; and controlling an operation state of the data driver according to the data comparison signal.
    Type: Grant
    Filed: February 17, 2023
    Date of Patent: July 9, 2024
    Assignees: Beijing ESWIN Computing Technology Co., Ltd., Hefel ESWIN Computing Technology Co., Ltd.
    Inventors: Dongmyung Lee, Donghoon Baek, Jangjin Nam, Enwei Ni
  • Patent number: 12033597
    Abstract: The present application discloses a method and a device for eliminating a brightness mura defect of a liquid crystal display, and relates to the technical field of liquid crystal displays. The method disclosed by the present application includes the following steps: acquiring an image to be displayed, wherein the image to be displayed includes a plurality of pixels; determining a compensation coefficient corresponding to each channel of each of the pixels according to an original gray scale value corresponding to each channel of each of the pixels; calculating a compensation gray scale value corresponding to each channel of each of the pixels according to the original gray scale value and the compensation coefficient corresponding to each channel of each of the pixels; and outputting and displaying the image to be displayed according to the compensation gray scale value corresponding to each channel of each of the pixels.
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: July 9, 2024
    Assignees: Haining ESWIN IC Design Co., Ltd., Beijing ESWIN Computing Technology Co., Ltd.
    Inventors: Meng Guo, Qiqiang Han
  • Patent number: 12027136
    Abstract: Provided is a data transmission method, including: sending clock calibration data to a source driver chip, wherein the clock calibration data instructs the source driver chip to perform clock calibration; sending first configuration information to the source driver chip over a data channel in response to completing the clock calibration by the source driver chip, wherein the first configuration information instructs the source driver chip to perform a configuration on a physical layer parameter; and successively sending a link stable pattern and display data to the source driver chip.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: July 2, 2024
    Assignees: Beijing ESWIN Computing Technology Co., Ltd., Hefei ESWIN Computing Technology Co., Ltd.
    Inventors: Jangjin Nam, Dongmyung Lee, Donghoon Baek, Daejoon Lee
  • Patent number: 11973140
    Abstract: It is provided a driving system, a driving method, a computer system and a computer readable medium. The driving system includes: an input circuit configured to receive an input on-chip voltage and output the on-chip voltage; an adjusting circuit configured to automatically detect a present amplitude of the on-chip voltage output by the input circuit and to output a bias voltage corresponding to the present amplitude of the on-chip voltage to a gate of the driven thin film transistor, wherein a source of the thin film transistor is directly or indirectly coupled to the on-chip voltage, and the bias voltage is lower than the on-chip voltage. The protection of the transistor gate and the adjusting of a receiver threshold voltage for different I/O (input/output) voltages and levels can be completed through automatic detection of the on-chip voltage and automatic adjusting.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: April 30, 2024
    Assignees: HAINING ESWIN IC DESIGN CO., LTD., BEIJING ESWIN COMPUTING TECHNOLOGY CO., LTD.
    Inventors: Chiajen Wei, Leung Yu, Shuqi Wei
  • Patent number: 11966536
    Abstract: A touch driving apparatus, a touch control apparatus and a touch driving method are provided. The touch driving apparatus is configured to drive a mutual capacitive touch panel. The method includes: determine a first driving electrode group and a second driving electrode group in a current driving time period according to a CDM code matrix, wherein, the first driving electrode group are driving electrodes among the plurality of driving electrodes that are expected to be discharged in the current driving time period, and the second driving electrode group are driving electrodes among the plurality of driving electrodes that are expected to be charged in the current driving time period; and controlling utilizing power from the first driving electrode group to charge the second driving electrode group, in response to the determination.
    Type: Grant
    Filed: February 8, 2023
    Date of Patent: April 23, 2024
    Assignee: Beijing ESWIN Computing Technology Co., Ltd.
    Inventors: Keith Rowland Charles Brady, Konstantinos Theodoropoulos
  • Patent number: 11960895
    Abstract: A method and a control device for returning of command response information, and an electronic device are provided. The method includes: receiving response information for a command request, the response information carrying a status identification and a level identification of the command request; storing the response information in a corresponding level of a data queue in accordance with the level identification, where the data queue includes multiple levels, and each level of the data queue is used to store one or more pieces of response information; scanning all levels of the data queue, and determining, a level in which all parts of response information are collected, as a candidate level; determining a first piece of response information in accordance with a status identification of the response information stored in the candidate level; and outputting the first piece of response information.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: April 16, 2024
    Assignees: Haining ESWIN IC Design Co., Ltd., Beijing ESWIN Computing Technology Co., Ltd.
    Inventor: Zhe Chen
  • Patent number: 11961451
    Abstract: Provided is a data transmission method in a timing controller. The data transmission method includes sending clock calibration data to a source driver chip, wherein the clock calibration data instructs the source driver chip to perform a clock calibration; successively sending, in response to completing the clock calibration by the source driver chip, a first identification code and an initialization control instruction to the source driver chip over a data channel, wherein the first identification code indicates a start of transmission of the initialization control instruction, and the initialization control instruction comprises configuration information, the configuration information instructing the source driver chip to perform a configuration on a physical layer parameter; and successively sending a link stable pattern and display data to the source driver chip.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: April 16, 2024
    Assignees: Beijing ESWIN Computing Technology Co., Ltd., Hefel ESWIN Computing Technology Co., Ltd.
    Inventors: Jangjin Nam, Dongmyung Lee, Donghoon Baek, Daejoon Lee
  • Publication number: 20240103075
    Abstract: Embodiments of the present application provide a GRPC-based chip test method, a GRPC-based chip test apparatus, and a storage medium. The GRPC-based chip test method comprises: determining a number of to-be-tested chips that actually need to be tested among to-be-tested chips, and issuing a corresponding number of remote instrument call requests according to the number of to-be-tested chips that actually need to be tested; acquiring each of the remote instrument call requests based on a GRPC protocol; and sorting all the remote instrument call requests to form a request execution sequence table, and controlling the test instrument to sequentially test the to-be-tested chips that actually need to be tested according to the request execution sequence table.
    Type: Application
    Filed: December 29, 2022
    Publication date: March 28, 2024
    Applicants: Beijing ESWIN Computing Technology Co., Ltd., Guangzhou Transa Semi Information Technology Co., Ltd.
    Inventors: Zeliang Xie, Yufeng Peng, Zuhua Shi, Ligang Yuan, Huichuang Ma
  • Patent number: 11942862
    Abstract: A voltage generation module and a power supply management chip include a reference voltage generation circuit, a comparison circuit, a switch circuit and a voltage control circuit. The reference voltage generation circuit generates a first reference voltage and a second reference voltage. The comparison circuit applies a turn-on control signal or a turn-off control signal. In the case that the switch circuit controls the input terminal to be electrically disconnected from the voltage output terminal, the voltage control circuit controls an output voltage signal from the voltage output terminal in accordance with the first reference voltage.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: March 26, 2024
    Assignees: Beijing ESWIN Computing Technology Co., Ltd., Hefei ESWIN IC Technology Co., Ltd.
    Inventor: Yonghua Zhou
  • Patent number: 11921667
    Abstract: A reconfigurable computing chip, a method for configuring the reconfigurable computing chip, a method for convolution process, a device for convolution process, a computer readable storage medium and a computer program product are provided. The reconfigurable computing chip comprises a processing module including multiple processing cores sharing a first cache, wherein each of the plurality of processing cores includes multiple processing elements sharing a second cache, each of the plurality of processing elements monopolizes a third cache corresponding to said processing element, wherein the reconfigurable computing chip is dynamically configured to perform convolution process on an input feature map and a convolution kernel to obtain an output feature map, and each of the multiple processing elements is dynamically configured to perform a multiplication-plus-addition process on a part of the input feature map and a part of the convolution kernel to obtain a part of the output feature map.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: March 5, 2024
    Assignee: BEIJING ESWIN COMPUTING TECHNOLOGY CO., LTD.
    Inventor: Yang Huang
  • Patent number: 11887559
    Abstract: The present application discloses a driving instruction modification method and a receiver applied to a display driver integrated circuit, and relates to the technical field of display integrated circuits, and the main purpose thereof is to normally apply a set global parameter to a driving instruction to be modified even if there is an interference command after setting the global parameter; the main technical solution includes: judging whether a target command received after setting a global parameter satisfies an initialization condition; if so, after modifying a driving instruction corresponding to the target command based on the target command and the global parameter, initializing the global parameter; otherwise, maintaining the global parameters unchanged.
    Type: Grant
    Filed: December 26, 2022
    Date of Patent: January 30, 2024
    Assignee: Beijing ESWIN Computing Technology Co., Ltd.
    Inventors: Kevin Nam, Rion Lee, Daniel Ji
  • Patent number: 11853506
    Abstract: A touch driving apparatus, a touch control apparatus and a touch driving method are provided. The touch driving apparatus includes at least one output module. Each output module comprises at least two output stage circuits, each having an output terminal configured to output a driving signal to a connected driving electrode. The method includes: for each output module, determining a first and a second output stage circuit groups in the current driving time period according to a CDM code matrix. A first driving signal group corresponding to the first output stage circuit group is expected to discharge a first driving electrode group, and a second driving signal group corresponding to the second output stage circuit group is expected to charge a second driving electrode group; and controlling utilizing power from the first driving electrode group to charge the second driving electrode group, in response to the determination.
    Type: Grant
    Filed: February 8, 2023
    Date of Patent: December 26, 2023
    Assignee: Beijing ESWIN Computing Technology Co., Ltd.
    Inventors: Keith Rowland Charles Brady, Konstantinos Theodoropoulos
  • Publication number: 20230409476
    Abstract: A cache system simulating method, an apparatus, a device and a storage medium. The cache system simulating method includes: acquiring a cache system model; acquiring an instruction information record, in which the instruction information record includes a plurality of entries, each entry of the plurality of entries includes a request instruction and a first addressing address corresponding to the request instruction; reading at least one entry of the plurality of entries from the instruction information record; simulating access to the cache system model by using the request instruction and the first addressing address in each entry of the at least one entry to acquire statistical data of the cache system model; and updating the cache system model based on the statistical data. The cache system simulation method greatly reduces the workload for modeling, shortens the model convergence time, so that the performance data of the cache can be acquired quickly.
    Type: Application
    Filed: January 19, 2023
    Publication date: December 21, 2023
    Applicant: Beijing ESWIN Computing Technology Co., Ltd.
    Inventor: Yuping Chen
  • Publication number: 20230289295
    Abstract: The present disclosure discloses a virtual memory management method and apparatus supporting physical addresses larger than virtual addresses. The method comprises steps of: determining a target virtual address corresponding to an instruction fetch address or a load storage address in any one of a user mode, a supervisor mode, or a machine mode; determining a target physical address corresponding to the target virtual address by accessing a virtual memory management unit, the virtual memory management unit being internally provided with page table entries that map virtual addresses to physical addresses, the bit width of the target virtual address being possibly less than or equal to that of the target physical address, particularly in a many-core application field; and finally, returning the target physical address to a corresponding instruction fetch unit or load memory unit, thereby ensuring the correctness and validity.
    Type: Application
    Filed: December 9, 2022
    Publication date: September 14, 2023
    Applicant: Beijing ESWIN Computing Technology Co., Ltd.
    Inventor: Weijie Chen
  • Publication number: 20230274708
    Abstract: A brightness compensation method includes steps of: determining a start time of a backlight compensation drive signal of a current frame according to an end time of a standard backlight drive signal of the current frame, and starting transmitting the backlight compensation drive signal to a backlight assembly at the start time of the backlight compensation drive signal; and determining an end time of the backlight compensation drive signal according to a time length of the front porch period of the current frame, and stopping transmitting the backlight compensation drive signal to the backlight assembly at the end time of the backlight compensation drive signal, wherein, the backlight assembly emits light as standard backlight according to the standard backlight drive signal when receiving the standard backlight drive signal, and emits light as compensated backlight according to the backlight compensation drive signal when receiving the backlight compensation drive signal.
    Type: Application
    Filed: December 28, 2022
    Publication date: August 31, 2023
    Applicants: Haining ESWIN IC Design Co., Ltd., Beijing ESWIN Computing Technology Co., Ltd.
    Inventor: Guochen Feng
  • Publication number: 20230274709
    Abstract: The present application discloses a display control method, a display control apparatus, a control apparatus and a display device. The display control method comprises: frequency multiplying or dividing an input display signal to generate an output display signal based on the relationship between the field frequency of the input display signal and the maximum field frequency supported by a display apparatus, the field frequency of the output display signal being not less than the minimum field frequency supported by the display apparatus and not greater than the maximum field frequency supported by the display apparatus; and controlling a backlight module to be turned on based on the field frequency of the output display signal, so that the liquid crystal stabilization time is increased. With the present application, the motion blur reduction effect can be improved, the blurred moving pictures can be reduced, and the smearing can be reduced.
    Type: Application
    Filed: December 28, 2022
    Publication date: August 31, 2023
    Applicants: Haining ESWIN IC Design Co., Ltd., Beijing ESWIN Computing Technology Co., Ltd.
    Inventor: Guochen Feng
  • Patent number: 11742837
    Abstract: This disclosure provides a voltage controlled oscillator and a control method thereof, a P2P interface circuit, an electronic device, and relates to the field of voltage controlled oscillation technology. The voltage controlled oscillator includes N stages of delay units, and the delay unit of each stage includes: a first inverter, a second inverter, a third inverter, and a fourth inverter; both the second inverter and the third inverter are electrically connected to a frequency control terminal, and whether to activate the second inverter and the third inverter is controlled by the frequency control terminal.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: August 29, 2023
    Assignees: Beijing ESWIN Computing Technology Co., Ltd., Hefei ESWIN IC Technology Co., Ltd.
    Inventors: Dongmyung Lee, Donghoon Baek, Jangjin Nam
  • Publication number: 20230261689
    Abstract: The present disclosure provides a transmitter, a transceiver and a signal transmission method thereof. The transmitter comprises a signal amplification module, a balun and a feedback current generation module; the signal amplification module is configured to receive an input signal, amplify the input signal and output a differential signal to the balun; the balun is configured to receive the differential signal and convert the differential signal into a single-ended signal; and the feedback current generation module is configured to form electromagnetic coupling with the balun to generate a feedback current signal, wherein the feedback current signal is used as an input signal to a receiver.
    Type: Application
    Filed: December 29, 2022
    Publication date: August 17, 2023
    Applicants: Beijing ESWIN Computing Technology Co., Ltd., Nanjing ESWIN IC Technology Co., Ltd.
    Inventor: Yuan Gao
  • Publication number: 20230254484
    Abstract: The present disclosure provides an image compression apparatus, an image compression method. The apparatus comprises: an image division module configured to divide a target image into one or more macro blocks; a macro block partitioning module configured to partition each of the macro blocks; a component determination module configured to determine, for each partition, a first component and a second component in each color channel; a color index determination module configured to determine, for each pixel, a color index of the pixel in a corresponding partition according to the first component and the second component; and a compressed code stream obtaining module configured to obtain a preset image compression ratio, and compress the macro block according to the number of partitions of the macro block, the first component and the second component and color indexes of all pixels to obtain a compressed code stream.
    Type: Application
    Filed: December 29, 2022
    Publication date: August 10, 2023
    Applicants: Haining ESWIN IC Design Co., Ltd., Beijing ESWIN Computing Technology Co., Ltd.
    Inventors: Duoduo Zhang, Benchuan Hu, Huawen Ding, Bo Zhao