Patents by Inventor Mingjian Yu

Mingjian Yu 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: 11587506
    Abstract: Pixel structure, driving method thereof and display device are disclosed. The pixel structure includes: light-emitting device having first electrode coupled to corresponding first voltage line. Driving chip includes: receiving circuit configured to decode first digital clock signal on first control line in display phase to obtain first address data and light emission data; address storage circuit configured to store reference address data before the display phase; data processing circuit configured to output PWM signal and current control signal corresponding to each light-emitting device according to the light emission data when the first address data is the same as the reference address data; current output circuit configured to output driving current according to the current control signal; and gating circuit configured to sequentially receive the PWM signal corresponding to each light-emitting device and transmit the driving current to the output terminal when the PWM signal is in active-level state.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: February 21, 2023
    Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hong Liu, Qibing Gu, Lingyun Shi, Ming Chen, Xiurong Wang, Guofeng Hu, Mingjian Yu, Donghui Wang
  • Publication number: 20220309997
    Abstract: A display panel and a driving method thereof, and a display device. The display panel includes a substrate and a plurality of pixel circuits arranged in an array on the substrate, each of the plurality of pixel circuits includes a pixel driving chip and at least one light-emitting element electrically connected to the pixel driving chip, and the pixel driving chip is configured to receive and store a data signal and drive the at least one light-emitting element to emit light according to the data signal.
    Type: Application
    Filed: September 18, 2020
    Publication date: September 29, 2022
    Applicants: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guofeng Hu, Qibing Gu, Lingyun Shi, Ming Chen, Xiurong Wang, Wei Hao, Tao Yang, Hong Liu, Mingjian Yu, Donghui Wang, Jing Xue, Yong Zhang, Jian Wang, Jian Lin, Xianglei Qin, Zhichao Yang, Zepeng Sun, Honggui Jin, Yashuai An, Zhilong Duan, Lingfang Nie, Liangzhen Tang, Limin Zhang
  • Publication number: 20220293637
    Abstract: An array substrate and a display panel are provided. The array substrate includes a base substrate and a first conductive layer, a first insulating layer, a second conductive layer and a third conductive layer which are sequentially stacked on the base substrate, the first insulating layer insulates the first conductive layer from the second conductive layer, the first conductive layer includes a first signal line, the second conductive layer includes a second signal line and a first connection part spaced apart from each other, the third conductive layer includes a second connection part, the first connection part is electrically connected with the first signal line through a first via hole in the first insulating layer; the second connection part is electrically connected with the first connection part and the second signal line to constitute a connection structure electrically connecting the first signal line with the second signal line.
    Type: Application
    Filed: May 26, 2022
    Publication date: September 15, 2022
    Inventors: Xingfeng REN, Mingjing Li, Mingjian Yu
  • Patent number: 11380713
    Abstract: An array substrate, a manufacturing method thereof and a display panel are provided, the array substrate includes a base substrate and a first conductive layer, a first insulating layer, a second conductive layer and a third conductive layer which are sequentially stacked on the base substrate, the first insulating layer insulates the first conductive layer from the second conductive layer, the first conductive layer includes a first signal line, the second conductive layer includes a second signal line and a first connection part spaced apart from each other, the third conductive layer includes a second connection part, the first connection part is electrically connected with the first signal line through a first via hole in the first insulating layer; the second connection part is electrically connected with the first connection part and the second signal line to constitute a connection structure electrically connecting the first signal line with the second signal line.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: July 5, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xingfeng Ren, Mingjing Li, Mingjian Yu
  • Patent number: 11341905
    Abstract: A level converter, a data processing method, and a display device are provided. The level converter is used for providing a direct current signal for image display and includes a storage circuit, a processing circuit, and a level conversion component. The level conversion component includes a plurality of level conversion circuits; the storage circuit is configured to store image data of an image to be displayed; the processing circuit is in signal connection with the storage circuit, and is configured to obtain control data corresponding to the image data of the image to be displayed according to the image data; and the level conversion component is in signal connection with the processing circuit, and is configured to control whether each of the plurality of level conversion circuits performs level conversion according to the control data, so as to generate the direct current signal.
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: May 24, 2022
    Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Hong Liu, Yankai Gao, Guofeng Hu, Yuxin Bi, Mingjian Yu, Lingyun Shi, Ming Chen
  • Publication number: 20220139316
    Abstract: Pixel structure, driving method thereof and display device are disclosed. The pixel structure includes: light-emitting device having first electrode coupled to corresponding first voltage line. Driving chip includes: receiving circuit configured to decode first digital clock signal on first control line in display phase to obtain first address data and light emission data; address storage circuit configured to store reference address data before the display phase; data processing circuit configured to output PWM signal and current control signal corresponding to each light-emitting device according to the light emission data when the first address data is the same as the reference address data; current output circuit configured to output driving current according to the current control signal; and gating circuit configured to sequentially receive the PWM signal corresponding to each light-emitting device and transmit the driving current to the output terminal when the PWM signal is in active-level state.
    Type: Application
    Filed: March 30, 2020
    Publication date: May 5, 2022
    Inventors: Hong LIU, Qibing GU, Lingyun SHI, Ming CHEN, Xiurong WANG, Guofeng HU, Mingjian YU, Donghui WANG
  • Patent number: 11315481
    Abstract: Disclosed includes an apparatus, a drive method, a display panel, and a display device. The apparatus may comprise a drive transistor, a light emitting device driven by the drive transistor and a comparator. The comparator may have a first input coupled to a pixel voltage, a second input coupled to a reference voltage, a first control terminal coupled to a first control voltage, a second control terminal coupled to a second control voltage, and an output coupled to a gate of the drive transistor. The comparator may be configured to output the first control voltage to the output during a first time period in which the pixel voltage is not smaller than the reference voltage and output the second control voltage to the output during a second time period in which the pixel voltage is smaller than the reference voltage.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: April 26, 2022
    Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yankai Gao, Ming Chen, Lingyun Shi, Xin Duan, Yuxin Bi, Hong Liu, Mingjian Yu, Guofeng Hu
  • Patent number: 11289009
    Abstract: A pixel driving circuit for a light-emission-device-based display panel is provided, including a driving transistor coupled to a light-emission device per subpixel; a digital-driving circuit having a first input terminal configured to receive a pixel voltage signal corresponding to a grayscale level of a subpixel image to be displayed and a first output terminal coupled to a gate terminal of the driving transistor. The digital-driving circuit is configured to convert the pixel voltage signal to a digital signal and transform the digital signal to a pulse-width-modulation (PWM) signal outputted via the first output terminal to the gate terminal of the driving transistor. The PWM signal comprises a pulse width proportional to the grayscale level as a duty cycle in a period of driving the light-emitting device to display subpixel image.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: March 29, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Guofeng Hu, Zhenkun Song, Ming Chen, Lingyun Shi, Yuxin Bi, Xin Duan, Yankai Gao, Hong Liu, Mingjian Yu
  • Publication number: 20210407378
    Abstract: A pixel driving circuit for a light-emission-device-based display panel is provided, including a driving transistor coupled to a light-emission device per subpixel; a digital-driving circuit having a first input terminal configured to receive a pixel voltage signal corresponding to a grayscale level of a subpixel image to be displayed and a first output terminal coupled to a gate terminal of the driving transistor. The digital-driving circuit is configured to convert the pixel voltage signal to a digital signal and transform the digital signal to a pulse-width-modulation (PWM) signal outputted via the first output terminal to the gate terminal of the driving transistor. The PWM signal comprises a pulse width proportional to the grayscale level as a duty cycle m a period of driving the light-emitting device to display subpixel image.
    Type: Application
    Filed: October 25, 2019
    Publication date: December 30, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Guofeng Hu, Zhenkun Song, Ming Chen, Lingyun Shi, Yuxin Bi, Xin Duan, Yankai Gao, Hong Liu, Mingjian Yu
  • Publication number: 20210407377
    Abstract: Disclosed includes an apparatus, a drive method, a display panel, and a display device. The apparatus may comprise a drive transistor, a light emitting device driven by the drive transistor and a comparator. The comparator may have a first input coupled to a pixel voltage, a second input coupled to a reference voltage, a first control terminal coupled to a first control voltage, a second control terminal coupled to a second control voltage, and an output coupled to a gate of the drive transistor. The comparator may be configured to output the first control voltage to the output during a first time period in which the pixel voltage is not smaller than the reference voltage and output the second control voltage to the output during a second time period in which the pixel voltage is smaller than the reference voltage.
    Type: Application
    Filed: November 14, 2019
    Publication date: December 30, 2021
    Inventors: Yankai GAO, Ming CHEN, Lingyun SHI, Xin DUAN, Yuxin BI, Hong LIU, Mingjian YU, Guofeng HU
  • Publication number: 20210256902
    Abstract: A level converter, a data processing method, and a display device are provided. The level converter is used for providing a direct current signal for image display and includes a storage circuit, a processing circuit, and a level conversion component. The level conversion component includes a plurality of level conversion circuits; the storage circuit is configured to store image data of an image to be displayed; the processing circuit is in signal connection with the storage circuit, and is configured to obtain control data corresponding to the image data of the image to be displayed according to the image data, and the level conversion component is in signal connection with the processing circuit, and is configured to control whether each of the plurality of level conversion circuits performs level conversion according to the control data, so as to generate the direct current signal.
    Type: Application
    Filed: May 25, 2020
    Publication date: August 19, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hong LIU, Yankai GAO, Guofeng HU, Yuxin BI, Mingjian YU, Lingyun SHI, Ming CHEN
  • Publication number: 20210183331
    Abstract: The present disclosure provides a display device and a driving method thereof, which relate to a field of display technology. According to the present disclosure, first image data and second image data are merged by using a graphics processor. The merged image data may be transmitted to a control chip through only one interface. Then the merged image may be split by the control chip to obtain first image data and third image data, which are respectively transmitted to a first driving chip and a second driving chip to drive a first display panel and a second display panel to display, wherein the third image data is at least partially the same as the second image data.
    Type: Application
    Filed: May 29, 2020
    Publication date: June 17, 2021
    Inventors: Hong Liu, Yankai Gao, Guofeng Hu, Mingjian Yu, Yuxin Bi, Wei Chen
  • Patent number: 10909943
    Abstract: Provided are a gate drive circuit and a driving method thereof, a display panel and a display device. The gate drive circuit includes a first sub-circuit group and a second sub-circuit group. The first sub-circuit group can drive the mth row to the first row of pixels of the N rows of pixels in the display panel row by row, and the second sub-circuit group can drive the (m+1)th row to the Nth row of pixels row by row. In addition, m is greater than 1 and less than N.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: February 2, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guofeng Hu, Yankai Gao, Hong Liu, Yuxin Bi, Yanhui Xi, Bin Dai, Mingjian Yu, Hong Wang, Donghui Wang
  • Publication number: 20200251066
    Abstract: Provided are a gate drive circuit and a driving method thereof, a display panel and a display device. The gate drive circuit includes a first sub-circuit group and a second sub-circuit group. The first sub-circuit group can drive the mth row to the first row of pixels of the N rows of pixels in the display panel row by row, and the second sub-circuit group can drive the (m+1)th row to the Nth row of pixels row by row. In addition, m is greater than 1 and less than N.
    Type: Application
    Filed: August 23, 2019
    Publication date: August 6, 2020
    Inventors: Guofeng Hu, Yankai Gao, Hong Liu, Yuxin Bi, Yanhui Xi, Bin Dai, Mingjian Yu, Hong Wang, Donghui Wang
  • Publication number: 20200091193
    Abstract: An array substrate, a manufacturing method thereof and a display panel are provided, the array substrate includes a base substrate and a first conductive layer, a first insulating layer, a second conductive layer and a third conductive layer which are sequentially stacked on the base substrate, the first insulating layer insulates the first conductive layer from the second conductive layer, the first conductive layer includes a first signal line, the second conductive layer includes a second signal line and a first connection part spaced apart from each other, the third conductive layer includes a second connection part, the first connection part is electrically connected with the first signal line through a first via hole in the first insulating layer; the second connection part is electrically connected with the first connection part and the second signal line to constitute a connection structure electrically connecting the first signal line with the second signal line.
    Type: Application
    Filed: April 26, 2019
    Publication date: March 19, 2020
    Inventors: Xingfeng REN, Mingjing LI, Mingjian YU
  • Patent number: 10034413
    Abstract: The disclosure discloses an air deflection plug-in box for a forced air-cooled cabinet. The air deflection plug-in box includes a front vertical plate with one or more vent holes, a rear vertical plate with one or more vent holes, two side vertical plates with hangers and an air deflection diaphragm arranged to isolate air areas, wherein the front vertical plate, the rear vertical plate, the two side vertical plates and the air deflection diaphragm are fixedly connected into a whole to distinctively guide cold airflow on one side of the air deflection diaphragm and guide hot airflow on the other side of the air deflection diaphragm. One or more thermal barriers are also arranged on at least one surface of the air deflection diaphragm, and each thermal barrier is made from thermal insulation material.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: July 24, 2018
    Assignee: ZTE CORPORATION
    Inventors: Shouli Zhu, Mingjian Yu, Jian Li, Jiapeng Dai, Jiazheng Xu
  • Publication number: 20160143180
    Abstract: The disclosure discloses an air deflection plug-in box for a forced air-cooled cabinet and the forced air-cooled cabinet. The air deflection plug-in box includes a front vertical plate with one or more vent holes, a rear vertical plate with one or more vent holes, two side vertical plates with suspension loops and an air deflection diaphragm arranged to isolate air areas, wherein the front vertical plate, the rear vertical plate, the two side vertical plates and the air deflection diaphragm are fixedly connected into a whole to distinctively guide cold airflow on one side of the air deflection diaphragm and guide hot airflow on the other side of the air deflection diaphragm, one or more thermal barriers are also arranged on at least one surface of the air deflection diaphragm, and each thermal barrier is made from thermal insulation material. The embodiments of the disclosure have better radiation effects and high sound absorption properties.
    Type: Application
    Filed: May 23, 2014
    Publication date: May 19, 2016
    Inventors: Shouli ZHU, Mingjian YU, Jian LI, Jiapeng DAI, Jiazheng XU
  • Publication number: 20060230107
    Abstract: A method and computer-readable medium for storing content in a peer-to-peer network is provided. A client of a peer-to-peer network receives a plurality of data blocks that respectively include a portion of the content. One or more of the plurality of data blocks are pseudo-randomly selected. The selected data block is then stored. In other embodiments, a method and computer-readable medium for playing streaming content in a peer-to-peer network is provided. A desired playback position of the streaming content is obtained. A first sequence number of a current data block of the streaming content is obtained. An estimation of a second sequence number that corresponds to the desired playback position is made. A connection with a peer client having a data block with the second sequence number associated therewith is made and the data block is received from the peer client.
    Type: Application
    Filed: July 7, 2005
    Publication date: October 12, 2006
    Applicant: 1000 Oaks Hu Lian Technology Development Co., Ltd.
    Inventors: Mingjian Yu, Han Fang
  • Publication number: 20060224760
    Abstract: A system, method, and computer-readable medium distributing streaming media content to clients in a peer-to-peer network. A streaming source divides the streaming media content into a plurality of data segments of equal length. A request from a peer client is received for at least a portion of the streaming media content. A subset of the plurality of data segments by a linear network coding routine is encoded into an encoded data block. The encoded data block is sent to the peer client.
    Type: Application
    Filed: November 30, 2005
    Publication date: October 5, 2006
    Applicant: 1000 Oaks Hu Lian Technology Development (Beijing) Co., Ltd.
    Inventors: Mingjian Yu, Xiangyang Chen
  • Publication number: 20060224756
    Abstract: A method, computer-readable medium and data processing system for randomizing termination of peer services in a peer-to-peer network is provided. A streaming media application receives a close command and closes a media player in response thereto. A randomized delay time is obtained by the streaming media application. The streaming media application maintains peer services until expiration of the randomized delay time.
    Type: Application
    Filed: June 16, 2005
    Publication date: October 5, 2006
    Inventors: Mingjian Yu, Xiangyang Chen