Patents by Inventor Guixin YAN

Guixin YAN 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: 12039947
    Abstract: The present disclosure discloses a display device and a driving method thereof. The driving method includes: when an anti-peep mode is enabled, generating M-frame sub-picture information and M-frame raster picture information according to information of a current picture frame to be displayed; controlling a sub-display panel in the display device to sequentially display M sub-pictures according to the M-frame sub-picture information, controlling pixel rows of the sub-pictures to be periodically arranged and displayed as first pixel groups, and controlling the first pixel groups of the pixel rows corresponding to the sub-pictures to be mutually misaligned; and controlling a sub-raster panel in the display device to sequentially display M raster pictures according to the M-frame raster picture information, and controlling pixel rows of the raster pictures to be periodically arranged and displayed as second pixel groups.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: July 16, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yinwei Chen, Guixin Yan, Jian Sang, Tiankuo Shi
  • Publication number: 20240212537
    Abstract: A rotating display apparatus is provided. The rotating display apparatus includes a pixel array and a control device. The pixel array is capable of rotating around a rotation axis in the pixel array, the pixel array includes a plurality of pixel units, and the plurality of pixel units are arranged in a plurality of pixel columns distributed in a direction perpendicular to the rotation axis. Pixel units in each pixel column are arranged in a direction parallel to the rotation axis and operate at a same refresh frequency. A refresh frequency of pixel units in a pixel column close to the rotation axis is less than a refresh frequency of pixel units in a pixel column far away from the rotation axis. The control device is configured to control the pixel units in each pixel column to operate at a refresh frequency corresponding to the pixel column.
    Type: Application
    Filed: May 28, 2021
    Publication date: June 27, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yaoyu LV, Jiyang SHAO, Guixin YAN, Menglei ZHANG, Lili CHEN, Hao ZHANG
  • Patent number: 12020655
    Abstract: Provided is a method for controlling a display apparatus. In the method, the display apparatus receives at least two pieces of data to be displayed from at least two terminals respectively, wherein the at least two pieces of data to be displayed include screen projection data and status parameters of the at least two terminals, and then displays the status parameter, and performs a screen projection based on the screen projection data.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: June 25, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yachong Xue, Xue Dong, Hao Zhang, Lili Chen, Jiankang Sun, Guixin Yan, Yaoyu Lv, Menglei Zhang, Xinkai Li
  • Patent number: 11997397
    Abstract: Provided is a method for processing images. The method includes: acquiring a plurality of original sub-images acquired by a plurality of cameras in a camera array; converting first pixel coordinates of each pixel in each original sub-image in an image coordinate system into target pixel coordinates in a target plane coordinate system; determining a region pixel value of each sub-region according to a correspondence between the target pixel coordinates of each pixel in each original sub-image and each sub-region in the target plane; and determining a spliced image in the target plane based on the region pixel value of each sub-region.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: May 28, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yachong Xue, Hao Zhang, Lili Chen, Jiankang Sun, Guixin Yan, Xiaolei Liu, Gang Li
  • Patent number: 11941171
    Abstract: An eye gaze tracking method, apparatus and system are provided, which belong to the technical field of image processing. The eye gaze tracking method includes: capturing, by at least two cameras, frames of facial images when a viewer views display screen; segmenting a current frame of facial image with pre-trained eye detection model to obtain an image for left and right eyes; calculating a similarity between the current frame of facial image and each of previous N frames of facial images; if the similarity between the current frame of facial image and each of previous N frames of facial images is less than the preset threshold, detecting a position on display screen at which the eyes of the viewer gaze with pre-trained eye detection model. Embodiments of the present disclosure can improve accuracy and efficiency of eye gaze tracking.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: March 26, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Menglei Zhang, Jiankang Sun, Guixin Yan, Yaoyu Lv, Yachong Xue, Xinkai Li
  • Publication number: 20240094807
    Abstract: An eye gaze tracking method, apparatus and system are provided, which belong to the technical field of image processing. The eye gaze tracking method includes: capturing, by at least two cameras, frames of facial images when a viewer views display screen; segmenting a current frame of facial image with pre-trained eye detection model to obtain an image for left and right eyes; calculating a similarity between the current frame of facial image and each of previous N frames of facial images; if the similarity between the current frame of facial image and each of previous N frames of facial images is less than the preset threshold, detecting a position on display screen at which the eyes of the viewer gaze with pre-trained eye detection model. Embodiments of the present disclosure can improve accuracy and efficiency of eye gaze tracking.
    Type: Application
    Filed: May 28, 2021
    Publication date: March 21, 2024
    Inventors: Menglei ZHANG, Jiankang SUN, Guixin YAN, Yaoyu LV, Yachong XUE, Xinkai LI
  • Publication number: 20230351975
    Abstract: Provided is a method for controlling a display apparatus. In the method, the display apparatus receives at least two pieces of data to be displayed from at least two terminals respectively, wherein the at least two pieces of data to be displayed include screen projection data and status parameters of the at least two terminals, and then displays the status parameter, and performs a screen projection based on the screen projection data.
    Type: Application
    Filed: August 16, 2021
    Publication date: November 2, 2023
    Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yachong XUE, Xue DONG, Hao ZHANG, Lili CHEN, Jiankang SUN, Guixin YAN, Yaoyu LV, Menglei ZHANG, Xinkai LI
  • Publication number: 20230345135
    Abstract: Provided are an image processing method, apparatus and device, and a storage medium. The image processing method comprises: acquiring a plurality of original sub-images collected by means of a plurality of cameras in a camera array; converting first pixel coordinates of each pixel in each original sub-image in an image coordinate system into target pixel coordinates in a target plane coordinate system; determining a region pixel value of each sub-region according to the correspondence between the target pixel coordinates of each pixel in each original sub-image and each sub-region in a target plane; and determining a spliced image in the target plane according to the region pixel value of each sub-region. According to the present disclosure, the algorithm is simple, and original sub-images can be quickly and accurately processed, so as to obtain a spliced image with a relatively high image quality.
    Type: Application
    Filed: May 25, 2021
    Publication date: October 26, 2023
    Inventors: Yachong XUE, Hao ZHANG, Lili CHEN, Jiankang SUN, Guixin YAN, Xiaolei LIU, Gang LI
  • Patent number: 11734841
    Abstract: A method for tracking eye gaze, a system, a processing device and a computer readable storage medium are provided. The method includes: acquiring original images acquired by multiple image acquisition devices, splicing the multiple original images into a spliced image, and determining a responsible region of each image acquisition device in the spliced image; performing preliminary face locating on the spliced image, and determining one or more original images corresponding to a preliminarily located face position according to the preliminarily located face position and the responsible region; and performing secondary face locating on the one or more determined original images to obtain face pose information and a positional relation of pupils with respect to human eyes, and calculating coordinates of gaze points of the human eyes according to the obtained face pose information and the positional relation of the pupils with respect to the human eyes.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: August 22, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Yachong Xue, Hao Zhang, Lili Chen, Jiankang Sun, Guixin Yan, Xiaolei Liu, Yaoyu Lv, Menglei Zhang, Xinkai Li
  • Patent number: 11699303
    Abstract: A system and a method of calculating coordinates of a pupil center point are provided. The system for acquiring the coordinates of the pupil center point includes a first camera, a second camera, a storage and a processor. The first camera is configured to capture a first image including a face and output the first image to the processor, the second camera is configured to capture a second image including a pupil and output the second image to the processor, a resolution of the first camera is smaller than a resolution of the second camera, and the storage is configured to store processing data, and the processor is configured to: acquire the first image and the second image; extract a first eye region corresponding to an eye from the first image; convert the first eye region into the second image, to acquire a second eye region corresponding to the eye in the second image; and detect a pupil in the second eye region and acquire the coordinates of the pupil center point.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: July 11, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yachong Xue, Hao Zhang, Lili Chen, Jiankang Sun, Xinkai Li, Guixin Yan, Xiaolei Liu, Yaoyu Lv, Menglei Zhang
  • Publication number: 20230178043
    Abstract: The present disclosure discloses a display device and a driving method thereof. The driving method includes: when an anti-peep mode is enabled, generating M-frame sub-picture information and M-frame raster picture information according to information of a current picture frame to be displayed; controlling a sub-display panel in the display device to sequentially display M sub-pictures according to the M-frame sub-picture information, controlling pixel rows of the sub-pictures to be periodically arranged and displayed as first pixel groups, and controlling the first pixel groups of the pixel rows corresponding to the sub-pictures to be mutually misaligned; and controlling a sub-raster panel in the display device to sequentially display M raster pictures according to the M-frame raster picture information, and controlling pixel rows of the raster pictures to be periodically arranged and displayed as second pixel groups.
    Type: Application
    Filed: December 29, 2020
    Publication date: June 8, 2023
    Inventors: Yinwei CHEN, Guixin YAN, Jian SANG, Tiankuo SHI
  • Patent number: 11610380
    Abstract: A method for interacting with an autostereoscopic display is disclosed. The method includes initiating displaying by the autostereoscopic display a left eye view and a right eye view that contain a virtual manipulated object, determining a real-world coordinate of the virtual manipulated object perceived by a user located at a predetermined viewing position of the auto stereoscopic display, receiving an interactive action of the user's manipulating body acquired by a motion tracker, where the interaction action includes a real-world coordinate of the manipulating body, determining whether an interaction condition is triggered based at least in part on the real-world coordinate of the virtual manipulated object and the real-world coordinate of the manipulating body, and refreshing the left eye view and the right eye view based on the interactive action of the manipulating body acquired by the motion tracker, in response to determining that the interaction condition is triggered.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: March 21, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guixin Yan, Hao Zhang, Lili Chen, Minglei Chu, Wenhong Tian, Zhanshan Ma, Ziqiang Guo
  • Patent number: 11579466
    Abstract: A method of simulating volumetric 3D display, includes: acquiring a display variable of a virtual display screen in a volumetric 3D display simulation space, the virtual display screen comprising a plurality of stereo pixels, the display variable comprising a voxel parameter of the plurality of stereo pixels, and the voxel parameter comprising a size in a first direction of the plurality of stereo pixels, a size in a second direction of the plurality of stereo pixels, and a size in a third direction of the plurality of stereo pixels; determining a display state parameter of a first stereo pixel of the plurality of stereo pixels for an object to be displayed according to the display variable; and simulating display of the object to be displayed according to the display state parameter. A computer-readable storage medium and a volumetric 3D display simulation apparatus are further provided.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: February 14, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yaoyu Lv, Hongzhen Xue, Guixin Yan, Fuqiang Ma, Lili Chen, Hao Zhang, Zhanshan Ma, Shuo Zhang
  • Patent number: 11537206
    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: Grant
    Filed: November 20, 2018
    Date of Patent: December 27, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development 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
  • Patent number: 11537200
    Abstract: Provided are a human-machine interaction method, a system, a processing device and a computer readable storage medium, wherein the method includes: controlling a 3D display to output a 3D view to present a virtual target object; receiving a user image taken by a sight tracking camera, and detecting an eye gaze region according to the user image; receiving a hand image taken by a gesture detection camera, and detecting whether a user's hand collides with the virtual target object and/or grabs the virtual target object according to the hand image; controlling playing of the 3D view according to whether human eyes gaze at the virtual target object, the user's hand collides with the virtual target, and grasps the virtual target object.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: December 27, 2022
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guixin Yan, Jiankang Sun, Lili Chen, Hao Zhang
  • Patent number: 11534063
    Abstract: An interpupillary distance measuring method, a wearable ophthalmic device and a computer readable storage medium are provided. The method includes: capturing at least one eye image; extracting corresponding one or two pupil image positions corresponding to a monocular pupil or pupils to two eyes in the at least one eye image; and determining an actual distance between the pupils of two eyes according to the one or two pupil image positions.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: December 27, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.
    Inventors: Hao Zhang, Lili Chen, Minglei Chu, Jiankang Sun, Guixin Yan, Ziqiang Guo, Yakun Wang, Wenhong Tian, Zhanshan Ma
  • Patent number: 11528470
    Abstract: A data transmission method, a method of displaying three-dimensional image, a data transmission device and a three-dimensional image display device are provided. The shift register unit includes a device. The data transmission method, comprises: performing a phase decomposition on a preset three-dimensional model to generate a plurality of phase images; acquiring position information and color information of pixels in the plurality of phase images; and sending the position information and the color information of the pixels in the plurality of phase images to a volumetric three-dimensional display device.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: December 13, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Minglei Chu, Fuqiang Ma, Xue Dong, Ming Chen, Hao Zhang, Lili Chen, Hongzhen Xue, Yaoyu Lv, Zhanshan Ma, Guixin Yan
  • Patent number: 11509882
    Abstract: A three-dimensional display apparatus includes: a display layer and a transmissive phase modulator, wherein the transmissive phase modulator is disposed on a light exit side of the display layer, and includes a plurality of modulation units; and each of the modulation units is configured to perform phase modulation on light received by the modulation unit, and is configured such that a picture displayed by the display layer is presented as a contiguous curved virtual image after being processed by the transmissive phase modulator.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: November 22, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Shuo Zhang, Hao Zhang, Lili Chen, Minglei Chu, Hongzhen Xue, Guixin Yan, Zehua Dong, Huidong He, Chenxi Zhao, Xiangjun Peng, Yaoyu Lv, Yukun Sun, Qingwen Fan, Yachong Xue
  • Patent number: 11468856
    Abstract: A 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, a 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: Grant
    Filed: December 20, 2018
    Date of Patent: October 11, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development 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
  • Patent number: 11463666
    Abstract: Embodiments of the present disclosure relate to a method for analyzing an imaging quality of an imaging system. The imaging system comprises a spatial light modulator. The spatial light modulator comprises pixel units arranged in an array. The method comprises obtaining a transmittance distribution function of the spatial light modulator based on a structural parameter of the pixel unit, wherein the structural parameter is an aperture ratio. The imaging quality analysis parameter of the imaging system is obtained based on the transmittance distribution function of the spatial light modulator. Then, the imaging quality of the imaging system is analyzed based on the imaging quality analysis parameter.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: October 4, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuo Zhang, Hao Zhang, Lili Chen, Hongzhen Xue, Minglei Chu, Guixin Yan, Yukun Sun, Chenxi Zhao, Zehua Dong, Xiangjun Peng, Yaoyu Lv, Yachong Xue, Huidong He, Qingwen Fan