Patents by Inventor Xin Duan

Xin Duan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240370389
    Abstract: A data transfer method, a data transfer device and a computer readable storage medium. The data transfer device comprises at least one first-stage memory, at least one second-stage memory and at least one third-stage memory which are connected in sequence. The data transfer method comprises: receiving a first input comprising a number of input lanes and/or a number of output lanes; selecting a corresponding second-stage memory and controlling a first read signal and a second read signal, according to the number of input lanes and/or the number of output lanes; storing data of the input lanes through the at least one first-stage memory; reading data of the first-stage memory and writing the data into the corresponding second-stage memory when the first read signal is enabled; and reading data of the corresponding second-stage memory and writing the data into the third-stage memory when the second read signal is enabled.
    Type: Application
    Filed: March 28, 2022
    Publication date: November 7, 2024
    Inventors: Wentao ZHU, Gaoming SUN, Jingchao YUAN, Zhiheng ZHOU, Hongxin PAN, Jingpeng ZHAO, Xin DUAN
  • Publication number: 20240371336
    Abstract: A liquid crystal display device, a method for displaying an image, and an electronic device are provided. In the first operation mode, a control circuit of the display device is configured to: receive display data of an mth image frame, and control the display device to display n sub-field images. The display data includes initial gray scales under n base colors. In a sub-field image of the mth image frame: pixels include a target pixel, and an actual gray scale of the target pixel is an average of an intermediate gray scale and initial gray scales of T non-target pixels. An actual gray scale of at least a part of non-target pixels is an initial gray scale thereof. The target pixel meets at least one of a first condition and a second condition.
    Type: Application
    Filed: July 19, 2024
    Publication date: November 7, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Qiong WU, Xiangjun PENG, Xin DUAN, Ce NING, Lizhong WANG, Yifan HOU, Shuo ZHANG, Huiling XUE, Hui GUO
  • Publication number: 20240365452
    Abstract: Mini-diode lamp board and light-emitting device are provided. The board includes a substrate, luminance signal lines arranged in a first direction and extending in a second direction, and control signal lines arranged in the second direction and extending in the first direction. The board has sub-regions each including a drive chip and a LED lamp group; drive chips corresponding to a row of sub-regions arranged in the first direction are electrically connected to the same control signal line; drive chips corresponding to a column of sub-regions arranged in the second direction are electrically connected to the same luminance signal line; and the drive chip obtains a luminance signal provided by the luminance signal line under the control of a control signal provided by the control signal line, and controls a corresponding LED lamp group to emit light according to the luminance signal.
    Type: Application
    Filed: April 28, 2022
    Publication date: October 31, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaohui MENG, Lin CONG, Yilin FENG, Xin DUAN, Ying ZHOU
  • Patent number: 12131683
    Abstract: A method for clock calibration is provided. In the technical solution according to the present disclosure, a target driving chip includes a plurality of clock calibration circuits, wherein each of the clock calibration circuits is configured with one clock frequency. Prior to sending a clock calibration signal, a controller sends a reference clock frequency to a driving chip over a configuration instruction, such that the driving chip determines a target clock calibration circuit for clock calibration based on the configuration instruction.
    Type: Grant
    Filed: October 9, 2021
    Date of Patent: October 29, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xin Duan, Jigang Sun, Shaolei Zong, Wei Sun
  • Publication number: 20240345943
    Abstract: A method and an apparatus for controlling read timing, and a computer-readable storage medium. The apparatus for controlling read timing includes an on-chip memory. The method for controlling read timing includes: writing input data into the on-chip memory; performing an end-of-frame detection on the input data; after detecting an end of a frame, counting input data rows and generating a read timing according to a preset Porch parameter; determining whether the on-chip memory will be read to be empty or written to be full according to an input data row count and the generated read timing; and when the on-chip memory will be read to be empty or written to be full, adjusting the read timing until the on-chip memory will not be read to be empty or written to be full, and reading and outputting data of the on-chip memory according to the read timing.
    Type: Application
    Filed: April 22, 2022
    Publication date: October 17, 2024
    Inventors: Wentao ZHU, Gaoming SUN, Jingchao YUAN, Zhiheng ZHOU, Hongxin PAN, Jingpeng ZHAO, Xin DUAN
  • Publication number: 20240339065
    Abstract: A display substrate includes: a base substrate including a display area and a frame area; pixel islands arranged in an array in the display area, each pixel island having sub-pixels arranged in an array; data lines extending in a column direction and arranged along a row direction in the display area, the data lines being electrically connected to the sub-pixels; operational amplifiers in the frame area, each operational amplifier being electrically connected to a column of sub-pixels through the data line(s); and reusing circuits in the frame area, each reusing circuit being connected to at least two operational amplifiers, and sub-pixels electrically connected to each reusing circuit through data lines being in at least two columns.
    Type: Application
    Filed: November 29, 2021
    Publication date: October 10, 2024
    Inventors: Zhaoyun GU, Shuhuan YU, Rui LIU, Xin DUAN, Kexin HAO, Shaoru ZHANG, Bin WANG, Shaolei ZONG, Jiantao LIU
  • Publication number: 20240319537
    Abstract: Disclosed is a backlight diffusion parameter generation method, including: selecting and measuring illumination diffusion data of at least one light emitting region in a plurality of light emitting regions, the illumination diffusion data includes brightness data of a plurality of pixels on a display panel and distance data between positions corresponding to the plurality of pixels and a position where an illuminated light emitting region is located when only one of the light emitting regions is illuminated; preprocessing the illumination diffusion data to obtain an effective pixel; performing function fitting according to data corresponding to a plurality of effective pixels to obtain a point spread function representing a relationship between diffusion brightness and a diffusion distance; and storing a backlight diffusion parameter lookup table, which includes a plurality of sub-tables, each sub-table corresponds to one or more light emitting regions affected when only one light emitting region is illuminat
    Type: Application
    Filed: April 22, 2024
    Publication date: September 26, 2024
    Inventors: Huiling XUE, Yifan HOU, Shuo ZHANG, Xiangjun PENG, Qiong WU, Xin DUAN, Wei SUN
  • Publication number: 20240321225
    Abstract: Disclosed is a backlight diffusion parameter generation method, including: selecting and measuring illumination diffusion data of at least one of multiple light emitting regions, wherein the illumination diffusion data includes brightness data of multiple pixels on a display panel and distance data between positions corresponding to multiple pixels and a position where an illuminated light emitting region is located when only one light emitting region is illuminated; preprocessing the illumination diffusion data to obtain an effective pixel; performing function fitting according to data corresponding to multiple effective pixels to obtain a point spread function representing a relationship between diffusion brightness and a diffusion distance; storing a backlight diffusion parameter lookup table, which includes multiple diffusion distance bonding points and diffusion brightness corresponding to each of the diffusion distance bonding points, and also includes a diffusion slope between two adjacent diffusion di
    Type: Application
    Filed: April 26, 2024
    Publication date: September 26, 2024
    Inventors: Huiling XUE, Yifan HOU, Xiangjun PENG, Shuo ZHANG, Qiong WU, Xin DUAN, Wei SUN
  • Publication number: 20240304139
    Abstract: Disclosed are a display panel, a display device and a driving method. The display panel includes a plurality of sub-pixel units located in areas formed by the plurality of scanning signal lines and the plurality of data signal lines, and at least two adjacent sub-pixel units in the first direction and the second direction constitute a pixel island. A plurality of control units each corresponding to a sub-pixel unit row in the pixel island are provided. The control unit includes a control terminal, an input terminal and an output terminal. The control unit is configured to transmit a signal from the input terminal to the output terminal under control of a first signal transmitted by a control signal line corresponding to the control unit, and stop transmitting the signal from the input terminal to the output terminal under control of a second signal transmitted by the control signal line.
    Type: Application
    Filed: February 26, 2021
    Publication date: September 12, 2024
    Inventors: Shaolei ZONG, Jigang SUN, Rui LIU, Xin DUAN, Wei SUN, Junwei ZHANG, Hongrun WANG, Fuqiang LI, Changfeng SUN, Hui ZHANG, Xue DONG
  • Publication number: 20240304155
    Abstract: Disclosed are a brightness control apparatus and method, and a display apparatus. The brightness control apparatus includes an optical detection circuit and an integrated circuit chip connected with the optical detection circuit. The optical detection circuit includes at least one transistor, configured to detect a light intensity of light to be detected corresponding to an environment where a display panel is located, and generate an electrical signal corresponding to the light intensity of the light to be detected.
    Type: Application
    Filed: May 28, 2021
    Publication date: September 12, 2024
    Inventors: Xinle WANG, Wenchao HAN, Yifan SONG, Zhaohui MENG, Lianghao ZHANG, Yilin FENG, Zhengri LIN, Mingming WANG, Wei SUN, Rui LIU, Xin DUAN, Jing LIU, Wanzhi CHEN
  • Publication number: 20240304131
    Abstract: The present disclosure provides a display control method and device, an image processing device and display apparatus, and belongs to the technical field of display. The display control method of the present disclosure includes: determining a data stream format according to data streams for the tth frame of image; determining a dynamic region and image data thereof from the data streams for the tth frame of image when the data stream format is a regional transmission format; and transmitting the image data for the dynamic region and/or the image data for the (t?1)th frame of image in the buffer space to the display assembly according to the end-of-transmission identifier in the data streams for the tth frame of image and the configuration command of the tth frame of image, so that the display assembly refreshes the display image.
    Type: Application
    Filed: March 30, 2022
    Publication date: September 12, 2024
    Inventors: Zhaohui MENG, Lin CONG, Xin DUAN, Yifan SONG
  • Patent number: 12087245
    Abstract: A display apparatus and a driving method therefor. The driving method includes: determining a gaze area and a non-gaze area of a user on a display apparatus in real time (S10); and driving the gaze area for image displaying at a first resolution, and driving the non-gaze area for image displaying at a second resolution, wherein the first resolution is higher than the second resolution. By using of the display apparatus, image resolution can be adjusted according to different areas, so as to realize high-resolution image display in a display area at which a user gazes and realize low-resolution image display in other areas, thereby reducing power consumption and achieving reasonable allocation of resources on the premise of ensuring the user experience.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: September 10, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shaolei Zong, Jigang Sun, Weixin Jiang, Bin Wang, Wei Sun, Xin Duan, Shuhuan Yu, Kexin Hao, Jiaqi Fan, Zhaoyun Gu, Shaoru Zhang, Tieshi Wang, Kuanjun Peng, Xue Dong, Wei Qin, Weixing Liu
  • Publication number: 20240298132
    Abstract: An audio control method, a control device, a driving circuit and a readable storage medium are provided. The audio control method according to some embodiments of the present disclosure is applicable to the display screen configured with M speakers, and the method includes: obtaining a sound image coordinate of a sound object relative to the display screen; determining N speakers from the M speakers as loudspeakers according to the sound image coordinate and position coordinates of the M speakers relative to the display screen; determining output gains of the N loudspeakers according to distances between the N loudspeakers and a viewer of the display screen and sound attenuation coefficients; and calculating output audio data of the sound object in the display screen according to audio data of the sound object and the output gains of the N loudspeakers, and controlling the M speakers to play the output audio data.
    Type: Application
    Filed: May 31, 2022
    Publication date: September 5, 2024
    Inventors: Lianghao ZHANG, Zhaoyun GU, Yaqian JI, Wenchao HAN, Xin DUAN, Shuhuan YU
  • Publication number: 20240290010
    Abstract: An image processing method based on a dither algorithm and a display device are disclosed. The method includes: obtaining a to-be-displayed image, and determining a first region and a second region of the to-be-displayed image, where the first region and the second region are determined according to a coverage range of a visual field of a user on a display screen; determining a first dither algorithm corresponding to the first region and a second dither algorithm corresponding to the second region, where parameter matrices the first dither algorithm and the second dither algorithm are different; and obtaining a rendered image of the to-be-displayed image by rendering the first region according to the first dither algorithm and rendering the second region according to the second dither algorithm, and displaying the rendered image on the display screen.
    Type: Application
    Filed: May 8, 2024
    Publication date: August 29, 2024
    Inventors: Xiangjun PENG, Tiankuo SHI, Minglei CHU, Yifan HOU, Yan SUN, Yaofeng LI, Rui LIU, Xin DUAN, Wei SUN, Xiao CHU, Hui LI, Shuo ZHANG
  • Patent number: 12067935
    Abstract: A display compensating method, display compensating device, and display device are provided, which relates to field of display and addresses the issues of poor screen uniformity, grayscale relationship change of sub-pixel due to ambient temperature change, and display screen brightness affected by ageing offset of threshold voltage corresponding to the sub-pixel. The display compensating method is applied to the display device, including: converting a received grayscale signal into a brightness signal; performing an optical compensation on a display brightness of the display device based on the brightness signal; converting a corresponding brightness signal on which the optical compensation is performed into a voltage signal; compensating for a threshold voltage corresponding to each sub-pixel in the display device based on the voltage signal; and compensating for operating parameters of the display device for the display device at different operating temperatures.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: August 20, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yifan Hou, Tiankuo Shi, Zhihua Ji, Xiaomang Zhang, Xin Duan, Wei Sun, Tao Yang, Chenxi Zhao, Xiangjun Peng, Shuo Zhang, Minglei Chu, Yan Sun, Yanhui Xi
  • Publication number: 20240272481
    Abstract: A driving assembly includes a main control chip, a circuit selection chipset and a channel chipset. The circuit selection chipset includes more than one circuit selection chip used to be electrically connected with each light source voltage line in one-to-one correspondence, and is configured to enable each circuit selection chip to load the light source voltage to the connected light source voltage line one by one under control of the main control chip; the channel chipset includes more than one channel control chip, each channel control chip is used to be electrically connected with one or more channel lines; the channel chipset is configured to enable the channel control chip to control driving current on each connected channel line under control of the main control chip.
    Type: Application
    Filed: June 29, 2022
    Publication date: August 15, 2024
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wei SUN, Lianghao ZHANG, Xin DUAN, Zhaohui MENG, Shuhuan YU, Ying ZHOU
  • Patent number: 12057044
    Abstract: An image display method includes: obtaining image data of a target image, and obtaining an initial sampling value of a first screen according to the image data, wherein the initial sampling value includes region sampling values of at least two target regions in the first screen, and the region sampling values include a previous region correction value and a current region sampling value; correcting the current region sampling value in a target region sampling value, based on a mapping relationship between the previous region correction value and the target region sampling value, to obtain first data; and determining second data corresponding to a second screen according to the first data, to realize displaying of the target image in a stacked screen according to the first data and the second data, wherein the stacked screen is formed by the first screen and the second screen in an overlapped manner.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: August 6, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiankuo Shi, Xiangjun Peng, Shuo Zhang, Yan Sun, Xiaomang Zhang, Xin Duan, Wei Sun, Shaoru Zhang
  • Publication number: 20240257708
    Abstract: A display system includes: a multi-scenario trigger circuit (10), which is configured to determine, according to a usage scenario triggered by a display device, a display partition used for high-definition display among a plurality of display partitions; a display content generation circuit (20), which is configured to render each frame of partition image of the display partition used for high-definition display, and fuse a partition identifier of the corresponding display partition into each frame of rendered partition image, so as to form a frame image data stream; a display drive control circuit (30), which is configured to generate a control instruction stream for driving the display partition used for high-definition display.
    Type: Application
    Filed: May 14, 2021
    Publication date: August 1, 2024
    Inventors: Xin DUAN, Wei SUN, Shuhuan YU
  • Publication number: 20240249690
    Abstract: A dimming method for a display panel is provided, including: acquiring image data of an image to be displayed; determining initial dimming pixel data of each of dimming pixels according to the image data; determining a dimming pixel to be filtered in the dimming screen according to the initial dimming pixel data of each of dimming pixels; determining a first filtering region according to the determined dimming pixel to be filtered; determining a filtering parameter of each of dimming pixels in the first filtering region according to a relationship between each of dimming pixels in the first filtering region and initial dimming pixel data of each of dimming pixels in the first filtering region; and updating dimming pixel data of the dimming pixel to be filtered according to the filtering parameter of each of dimming pixels in the first filtering region, so as to obtain updated dimming pixel data.
    Type: Application
    Filed: January 4, 2022
    Publication date: July 25, 2024
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiangjun Peng, Tiankuo Shi, Shuo Zhang, Yifan Hou, Zhihua Ji, Xiaomang Zhang, Xin Duan, Wei Sun
  • Publication number: 20240221588
    Abstract: A gamma voltage conversion circuit includes: a first voltage divider circuit having first input terminals and first voltage divider output terminals, wherein each first input terminal is configured to receive a first gamma voltage signal, the first voltage divider circuit is configured to generate first analog voltage signals according to the first gamma voltage signal, and each first voltage divider output terminal is configured to output one of the first analog voltage signals; a Gray code control circuit configured to generate and output a Gray code control signal according to a grayscale value to be displayed; a first encoding circuit configured to generate and output second analog voltage signals according to the Gray code control signal and one of the plurality of first analog voltage signals; and a first output control circuit configured to generate and output an analog grayscale voltage signal according to the second analog voltage signals.
    Type: Application
    Filed: July 1, 2022
    Publication date: July 4, 2024
    Inventors: Shaoru ZHANG, Mingchun LAI, Xin DUAN, Wei SUN, Shuhuan YU