Patents Assigned to Haining ESWIN IC Design Co., Ltd.
  • Patent number: 12051380
    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: Grant
    Filed: December 28, 2022
    Date of Patent: July 30, 2024
    Assignees: HAINING ESWIN IC DESIGN CO., LTD., BEIJING ESWIN COMPUTING TECHNOLOGY CO., LTD.
    Inventor: Guochen Feng
  • Patent number: 12051379
    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: Grant
    Filed: December 28, 2022
    Date of Patent: July 30, 2024
    Assignees: HAINING ESWIN IC DESIGN CO., LTD., BEIJING ESWIN COMPUTING TECHNOLOGY CO., LTD.
    Inventor: Guochen Feng
  • 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: 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: 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
  • 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
  • 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: 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
  • Publication number: 20230230555
    Abstract: Embodiments of the present disclosure provide an image processing method, an apparatus, an electronic device, and a computer-readable storage medium, relating to the technical field of displays. The method comprises steps of: acquiring a first image and a second image that are adjacent in time-domain; determining dynamic pixels of the second image relative to the first image; determining overdrive gain values of the dynamic pixels; and performing overdrive processing on the second image according to the overdrive gain values. In the embodiments of the present disclosure, for the dynamic pixels, overdrive processing is performed on the image according to the overdrive gain value. Thus, the overdrive effect for the dynamic region of the image is optimized, the technical effect of the overdrive is ensured, and the motion blur problem of the image is effectively improved.
    Type: Application
    Filed: December 28, 2022
    Publication date: July 20, 2023
    Applicants: Haining ESWIN IC Design Co., Ltd., Beijing ESWIN Computing Technology Co., Ltd.
    Inventors: Huawen Ding, Bo Zhao
  • Publication number: 20230232013
    Abstract: Embodiments of the present disclosure provide an image compression method, an apparatus, and a computer-readable storage medium, relating to the field of image compression. The method comprises: acquiring a plurality of macroblocks of an image; determining the sub-region(s) of each one of the plurality of macroblocks and a partition color of each macroblock; determining a data compression format corresponding to each macroblock according to pixels in the sub-region(s) of each macroblock and the partition color of each macroblock; and compressing each macroblock based on the data compression format corresponding to each macroblock, and determining the compressed data corresponding to each macroblock. In the embodiments of the present disclosure, while ensuring the image compression efficiency, the image compression format is simplified, the image compression accuracy is guaranteed, and the over drive distortion caused by image compression is reduced.
    Type: Application
    Filed: December 28, 2022
    Publication date: July 20, 2023
    Applicants: Haining ESWIN IC Design Co., Ltd., Beijing ESWIN Computing Technology Co., Ltd.
    Inventors: Bo Zhao, Duoduo Zhang, Benchuan Hu, Huawen Ding
  • Publication number: 20230215403
    Abstract: Embodiments of the present disclosure relate to the technical field of displays, and disclose a screen correction method, an electronic device, and a computer-readable storage medium. The method comprises: acquiring a first display parameter of pixel points in at least two display regions of a target screen, wherein the first display parameter comprises first spectral tristimulus values; determining a target region in the display regions and determining a second display parameter of pixel points in a non-target region in the display regions according to the first display parameter, wherein the target region is a display region among the display regions where a luminance parameter meets a preset requirement, and the second display parameter comprises second spectral tristimulus values; converting the luminance parameter into a target display parameter with the type of the second spectral tristimulus values; and compensating the second display parameter based on the target display parameter.
    Type: Application
    Filed: December 22, 2022
    Publication date: July 6, 2023
    Applicants: Haining ESWIN IC Design Co., Ltd., Beijing ESWIN Computing Technology Co., Ltd.
    Inventors: Chi Zhang, Qiqiang Han, Meng Guo
  • Publication number: 20230009604
    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: Application
    Filed: January 5, 2022
    Publication date: January 12, 2023
    Applicants: Haining ESWIN IC Design Co., Ltd., Beijing ESWIN Computing Technology Co., Ltd.
    Inventors: Chiajen WEI, Leung YU, Shuqi WEI