Patents by Inventor Jinghua Miao

Jinghua Miao 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).

  • Patent number: 11189237
    Abstract: A current compensation circuit, a virtual reality device and a control method are disclosed. The current compensation circuit includes: a first constant current sub-circuit, configured to generate a driving current of a backlight module; a second constant current sub-circuit, configured to generate a compensation current of the backlight module; a compensation gating sub-circuit, configured to determine whether to select the second constant current sub-circuit to supply power to the backlight module; and a black insertion control signal generation sub-circuit, configured to generate a black insertion control signal, connected with the first constant current sub-circuit and the compensation gating sub-circuit, and configured to control, by the black insertion control signal, the first constant current sub-circuit and the second constant current sub-circuit to simultaneously supply power to or power off the backlight module, so that the black light module realizes a backlight black insertion.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: November 30, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Feng Pan, Hao Zhang, Lili Chen, Jian Sun, Yakun Wang, Yuanyuan Du, Jinghua Miao, Yu Lei, Xinjian Liu, Ziqiang Guo, Bin Zhao, Ruifeng Qin, Feng Zi
  • Patent number: 11183105
    Abstract: The present disclosure provides a display panel and device, an image processing method and device, and a virtual reality system. The display panel includes: a first display area; and at least one second display area surrounding the first display area, a number of sub-pixels per unit area in the first display area being greater than a number of sub-pixels per unit area in the at least one second display area.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: November 23, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xi Li, Yuanjie Lu, Jinghua Miao, Bin Zhao, Xuefeng Wang, Yukun Sun, Jianwen Suo, Qingwen Fan, Wenyu Li, Jinbao Peng, Zhifu Li, Lili Chen, Jiankang Sun
  • Publication number: 20210358200
    Abstract: The present disclosure relates to an image rendering method for a computer product coupled to a display apparatus. The image rendering method may include rendering an entire display region of the display apparatus with a first rendering mode to generate a first rendering mode sample image, determining a target region in the entire display region, rendering the target region with a second rendering mode to generate a second rendering mode sample image, and transmitting data of the first rendering mode sample image and the second rendering mode sample image. The second rendering mode comprises at least a value of an image rendering feature that is higher than that of the first rendering mode.
    Type: Application
    Filed: September 6, 2018
    Publication date: November 18, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuefeng Wang, Yukun Sun, Bin Zhao, Lixin Wang, Xi Li, Jianwen Suo, Wenyu Li, Qingwen Fan, Jinbao Peng, Yuanjie Lu, Yali Liu, Chenru Wang, Jiankang Sun, Hao Zhang, Lili Chen, Jinghua Miao
  • Publication number: 20210358427
    Abstract: An image processing method, a backlight brightness adjustment method, an image processing system, and a computer readable storage medium are provided. The image processing method includes: acquiring a display image; dividing the display image to obtain one or more initial local regions; calculating an average brightness value of each of the one or more initial local regions respectively; acquiring an output image according to the average brightness value of each of the one or more initial local regions and the display image.
    Type: Application
    Filed: October 31, 2018
    Publication date: November 18, 2021
    Inventors: Xuefeng WANG, Yukun SUN, Jinghua MIAO, Lili CHEN, Hao ZHANG, Bin ZHAO, Lixin WANG, Xi LI, Jianwen SUO, Wenyu LI, Jinbao PENG, Qingwen FAN, Yuanjie LU, Yali LIU, Chenru WANG, Jiankang SUN
  • Publication number: 20210333870
    Abstract: An image rendering method, device, and system, a storage medium, and an image display method are provided. The image rendering method includes: acquiring an image to be displayed; according to a gaze point of human eyes on a display screen, obtaining a gaze point position on the image to be displayed; determining, according to the gaze point position, a first sampling area and a second sampling area of the image to be displayed; performing first resolution sampling on the first sampling area to obtain a first display area; performing second resolution sampling on the image to be displayed to obtain a second display area corresponding to the second sampling area, a resolution of the second sampling area being greater than that of the second display area; and splicing the first display area and the second display area to obtain an output image to be transmitted to the virtual reality device.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 28, 2021
    Inventors: Xuefeng WANG, Yukun SUN, Jinghua MIAO, Lili CHEN, Hao ZHANG, Bin ZHAO, Lixin WANG, Xi LI, Jianwen SUO, Wenyu LI, Jinbao PENG, Qingwen FAN, Yuanjie LU, Chenru WANG, Yali LIU, Jiankang SUN
  • Publication number: 20210333879
    Abstract: A wearable device, an electronic system, an electronic device, a tactile feedback method and a storage medium are provided. The wearable device with tactile feedback includes an electromagnetic coil set, a driving circuit and a control circuit, the driving circuit is coupled with the electromagnetic coil set; the control circuit is configured to control the driving circuit to generate and output a coil current corresponding to the electromagnetic coil set to the electromagnetic coil set according to a control command; and the electromagnetic coil set is configured to receive the coil current and generate the tactile feedback based on the coil current.
    Type: Application
    Filed: November 20, 2018
    Publication date: October 28, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ziqiang GUO, Jian SUN, Xinjian LIU, Yakun WANG, Lin LIN, Zhen TANG, Yu LEI, Minglei CHU, Jiankang SUN, Jinghua MIAO, Guixin YAN, Feng ZI
  • Publication number: 20210335295
    Abstract: A display device, a virtual reality equipment, and a driving method are disclosed. The driving method is configured to drive a display device, and the display device includes a display array and a light valve array. The display array includes rows of sub-pixels, the light valve array includes a plurality of sub light valves, respective one sub light valve of the plurality of sub light valves corresponds to at least one row of sub-pixels, and the light valve array is on a light-emitting side of the display array. The driving method includes: any sub-pixel in the at least one row of sub-pixels being in a response phase of a display operation, the respective one sub light valve being in a light-shielding state, and the respective one sub light valve corresponding to the at least one row of sub-pixels.
    Type: Application
    Filed: December 20, 2018
    Publication date: October 28, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bin ZHAO, Lili CHEN, Hao ZHANG, Jinghua MIAO, Yukun SUN, Xuefeng WANG, Lixin WANG, Xi LI, Jianwen SUO, Ruifeng QIN, Ziqiang GUO, Guixin YAN
  • Publication number: 20210327093
    Abstract: The present disclosure is related to an image processing method of virtual reality. The image processing method may include obtaining position information of a gaze point; performing a compression process on an original image to obtain a compressed image based on the position information of the gaze point; performing a compression process on a distorted image of the original image in an lens to obtain a compressed distorted image based on the position information of the gaze point; and performing an anti-distortion process on the compressed image to obtain an anti-distortion image based on a relationship between the compressed image and the compressed distorted image. The position information of the gaze point may be position information of a gaze point of a user's eye on an original image.
    Type: Application
    Filed: August 15, 2018
    Publication date: October 21, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jinghua Miao, Hao Zhang, Lili Chen, Yukun Sun, Yali Liu, Xi Li, Bin Zhao, Xuefeng Wang, Lixin Wang, Jianwen Suo, Wenyu Li, Ziqiang Guo, Ruifeng Qin, Guixin Yan, Feng Pan
  • Patent number: 11145265
    Abstract: Embodiments of the present disclosure provide a method for driving a display device to display an image sequence and a display device therefor. The display device includes a backlight module having a plurality of backlight partitions. The image sequence includes at least a first frame image and a second frame image. The method includes determining a first region in the first frame image and a second region in the second frame image that correspond to an overlapping portion of the first frame image and second frame image as overlapping regions; obtaining, based at least partially on a first backlight value of a first backlight partition(s) corresponding to the first region, a second backlight value of a second backlight partition corresponding to the second region; and controlling a backlight brightness of the second backlight partition based on the second backlight value when the display device displays the second frame image.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: October 12, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yukun Sun, Wenyu Li, Zhifu Li, Mingyang Yan, Qingwen Fan, Jinghua Miao, Huidong He, Shuo Zhang, Lili Chen, Hao Zhang
  • Patent number: 11137619
    Abstract: A display device for virtual reality, a viewing device for virtual reality and a head-mounted display apparatus are provided. The display apparatus includes: a display panel; a first polarizer which is disposed on a first surface of the display panel and includes a plurality of first regions and a plurality of second regions, the plurality of first regions and the plurality of second regions being alternately distributed in a first direction, wherein a polarization direction of each of the plurality of first regions is perpendicular to a polarization direction of each of the plurality of second regions.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: October 5, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenyu Li, Yukun Sun, Yali Liu, Hao Zhang, Lili Chen, Jinghua Miao, Xuefeng Wang, Xi Li, Bin Zhao, Lixin Wang, Jianwen Suo, Qingwen Fan, Jinbao Peng
  • Patent number: 11127126
    Abstract: Disclosed is an image processing method, including: determining coordinate values of one or more target pixels in an image, wherein the target pixels are used for dividing the image; carrying out a mapping operation on the coordinate values of the one or more target pixels to obtain first pixel data; reading the image to obtain second pixel data; and combining the first pixel data and the second pixel data to obtain a combined image.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: September 21, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xi Li, Hao Zhang, Lili Chen, Yukun Sun, Jinghua Miao, Xuefeng Wang, Jinbao Peng, Bin Zhao, Jianwen Suo, Lixin Wang, Qingwen Fan, Wenyu Li, Yuanjie Lu
  • Patent number: 11120562
    Abstract: The present disclosure provides a posture estimation method, a posture estimation apparatus, and a computer readable storage medium. Here, the posture estimation method includes: calculating an angular velocity control amount at a current moment based on a measured acceleration value and an estimated acceleration value at the current moment; correcting the measured angular velocity value at the current moment according to the calculated angular velocity control amount to obtain the corrected angular velocity value at the current moment; and obtaining an estimated posture quaternion value at a next moment according to the corrected angular velocity value obtained by calculation and an estimated posture quaternion value at the current moment.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: September 14, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zehua Dong, Minglei Chu, Lili Chen, Hao Zhang, Jiankang Sun, Yukun Sun, Jinghua Miao, Zhifu Li, Xuefeng Wang, Hongzhen Xue
  • Patent number: 11114038
    Abstract: A display apparatus includes a data driver and a light valve controller. The data driver is configured to continuously provide K display signals, all of which include a same set of image data, to a display panel. K is an integer greater than or equal to 2. The light valve controller is configured to provide a turn-off signal to a light valve whenever the data driver provides one of first T or odd-numbered display signals in the K display signals, and provide a turn-on signal to the light valve whenever the data driver provides one of last (K?T) or even-numbered display signals in the K display signals. T is an integer greater than 0 and less than K, and (K?T) refers to a difference between K and T.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: September 7, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bin Zhao, Xi Li, Jinghua Miao, Lili Chen, Qingwen Fan, Jianwen Suo, Yukun Sun, Xuefeng Wang, Jinbao Peng, Wenyu Li, Zhifu Li, Minglei Chu
  • Patent number: 11113886
    Abstract: The present disclosure proposes a dual-screen display method for eliminating AR/VR picture tearing and an AR/VR display device, each single screen in a dual-screen for the dual-screen display method being divided into a first half-screen and a second half-screen respectively. The method includes: performing rendering and scanning in parallel for the first half-screen and the second half-screen in unit of half a frame. A start time of scanning the second half-screen is adjusted to eliminate a picture tearing phenomenon.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: September 7, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bin Zhao, Lixin Wang, Xi Li, Jianwen Suo, Qingwen Fan, Jinbao Peng, Ruifeng Qin, Yuanjie Lu, Jinghua Miao, Yukun Sun, Xuefeng Wang, Wenyu Li, Lili Chen, Hao Zhang
  • Patent number: 11113799
    Abstract: A display method and a display device are provided. The display method may be applied to a display device having a lens unit and a display unit for normal display, and may include steps of: detecting a first distance between the lens unit and the display unit; calculating correction information according to the first distance and transmitting the correction information to the display unit; and displaying a corrected image by the display unit according to the correction information, so that the corrected image is converged into eyes of a user via the lens unit, wherein the corrected image is obtained by correcting an original image according to the first distance.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: September 7, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yukun Sun, Xuefeng Wang, Jinghua Miao, Wenyu Li, Jinbao Peng, Bin Zhao, Lixin Wang, Xi Li, Qingwen Fan, Jianwen Suo, Yali Liu, Yu Lei, Yakun Wang, Hao Zhang, Lili Chen
  • Publication number: 20210264872
    Abstract: A compensation method for VR display, a compensation device for VR display, and a display device are provided. The compensation method for VR display includes: calculating a first synchronization signal value to be output by a controller according to a rendering resolution, a rendering frame rate and bandwidth data of a display panel; comparing the first synchronization signal value with a pre-stored second synchronization signal value of the display panel; generating compensation image data between two adjacent frames of original image data in a case where a comparison result shows that the first synchronization signal value is greater than the second synchronization signal value; and compensating an image to be displayed according to generated compensation image data.
    Type: Application
    Filed: December 25, 2019
    Publication date: August 26, 2021
    Inventors: Jianwen SUO, Jingtao XU, Xuefeng WANG, Wenyu LI, Jinghua MIAO, Yakun WANG, Jinbao PENG, Bin ZHAO, Zhifu LI, Xi LI, Qingwen FAN, Yukun SUN, Hao ZHANG, Lili CHEN
  • Publication number: 20210248966
    Abstract: An image display processing method for a display device, an image display processing device, a display device, and a non-volatile storage medium are provided. The display device includes a backlight unit and a display panel, the backlight unit includes a plurality of backlight blocks and is driven by a local dimming mode, and the image display processing method includes: obtaining initial backlight data of each of the plurality of backlight blocks corresponding to a display image; performing a peak driving process on the initial backlight data of each of the plurality of backlight blocks by a graphics processing unit to obtain adjusted backlight data of each of the plurality of backlight blocks; and providing the adjusted backlight data to the backlight unit by the graphics processing unit so that the display panel displays the display image.
    Type: Application
    Filed: April 27, 2021
    Publication date: August 12, 2021
    Inventors: Wenyu LI, Jinghua MIAO, Yukun SUN, Xuefeng WANG, Zhifu LI, Bin ZHAO, Xi LI, Lixin WANG, Qingwen FAN, Jianwen SUO, Yali LIU, Hao ZHANG, Lili CHEN, Zhihua JI, Jinbao PENG, Ziqiang GUO, Xiurong WANG
  • Patent number: 11086792
    Abstract: This disclosure provides a cache replacing method applied to a heterogeneous multi-core system, the method including: determining whether a first application currently running is an application running on the GPU; when it is determined that the first application currently running is an application running on the GPU, determining a cache priority of first data accessed by the first application according to a performance parameter of the first application, the cache priority of the first data including a priority other than a predefined highest cache priority; and caching the first data into a cache queue of the shared cache according to a predetermined cache replacement algorithm and the cache priority of the first data, and replacing data in the cache queue.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: August 10, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qingwen Fan, Jinghua Miao, Hao Zhang, Lili Chen, Lixin Wang, Bin Zhao, Yukun Sun, Xuefeng Wang, Xi Li, Wenyu Li, Jinbao Peng, Jianwen Suo
  • Publication number: 20210227190
    Abstract: An image processing method is disclosed. The image processing method may include: partitioning an original gridded image to obtain a plurality of regional grid images, wherein the regional grid images are distributed along a direction away from a geometric center of the original gridded image (S300); and adjusting grid vertices of the regional grid images based on anti-distortion parameters to obtain a plurality of regional correction grid images forming a grid correction image (S400). A grid density of each of the regional correction grid images may be smaller than or equal to a grid density of a corresponding regional grid image, and the grid density of each of the plurality of the regional correction grid images may gradually increase along the direction away from the geometric center of the original gridded image.
    Type: Application
    Filed: December 13, 2019
    Publication date: July 22, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qingwen Fan, Yukun Sun, Bin Zhao, Jinghua Miao, Xi Li, Lili Chen, Hao Zhang, Jinbao Peng, Xuefeng Wang, Jianwen Suo, Wenyu Li, Zhifu Li, Shuo Zhang, Huidong He
  • Patent number: 11030964
    Abstract: An image display processing method for a display device, an image display processing device, a display device, and a non-volatile storage medium are provided. The display device includes a backlight unit and a display panel, the backlight unit includes a plurality of backlight blocks and is driven by a local dimming mode, and the image display processing method includes: obtaining initial backlight data of each of the plurality of backlight blocks corresponding to a display image; performing a peak driving process on the initial backlight data of each of the plurality of backlight blocks by a graphics processing unit to obtain adjusted backlight data of each of the plurality of backlight blocks; and providing the adjusted backlight data to the backlight unit by the graphics processing unit so that the display panel displays the display image.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: June 8, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenyu Li, Jinghua Miao, Yukun Sun, Xuefeng Wang, Zhifu Li, Bin Zhao, Xi Li, Lixin Wang, Qingwen Fan, Jianwen Suo, Yali Liu, Hao Zhang, Lili Chen, Zhihua Ji, Jinbao Peng, Ziqiang Guo, Xiurong Wang