Patents by Inventor Qibing DAI

Qibing DAI 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: 11526246
    Abstract: A display module is provided. In the display module, a touch unit is disposed in a first display region, and the touch unit includes first touch electrodes and second touch electrodes arranged on a same layer and independently from each other; a fingerprint recognition touch unit is disposed in a second display region. The fingerprint recognition touch unit includes first recognition electrodes and second recognition electrodes arranged on a same layer and independently from each other, the first recognition electrodes and the second recognition electrodes are arranged to cross each other, and the first recognition electrodes and the first touch electrodes are arranged in different layers.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: December 13, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Bi Chen, Qibing Dai
  • Patent number: 11501677
    Abstract: The present application provides a display module, a driving method thereof, and a display device. The display module comprises: a display panel comprising at least two display areas; a detection module configured to detect a fold state of the display panel; and a driving chip module comprising one-to-one correspondence with the display area and drive its display drive chip; a gating module configured to control connection or disconnection of a line where the gating module is located; a control platform configured to output control instructions. Alleviate the problem of excessive power consumption in existing folding display devices.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: November 15, 2022
    Inventors: Zengjian Jin, Fuchih Chang, Qibing Dai
  • Patent number: 11474637
    Abstract: The present disclosure provides a display screen and a display device, including a display panel, a touch control layer, a first driving chip, and a second driving chip. The touch control layer includes a first recognition device configured to generate fingerprint data and a second recognition device configured to generate touch control data. The first driving chip is configured to make a fingerprint identification of a first recognition area according to the fingerprint data, and the second driving chip is configured to make a touch control recognition of the first recognition area and a second recognition area according to the fingerprint data and the touch control data.
    Type: Grant
    Filed: June 28, 2020
    Date of Patent: October 18, 2022
    Inventors: Tengfei Ge, Qibing Dai
  • Publication number: 20220319414
    Abstract: A pixel driving circuit, a display panel, and a driving method thereof are provided. The pixel driving circuit includes a first transistor T1, a second transistor T2, a storage capacitor Cst, a low frame rate compensation capacitor unit, and an organic light-emitting device OLED.
    Type: Application
    Filed: August 26, 2020
    Publication date: October 6, 2022
    Inventors: Zengjian JIN, Qibing DAI, Fuchih CHANG, Wu ZHENG
  • Patent number: 11435854
    Abstract: A touch display device is provided and includes a substrate, light emitting layer, encapsulation layer, a touch layer, and a touch driver inspection circuit. The touch layer includes a plurality of touch electrode units. The touch driver inspection circuit is connected to each of the touch electrode units the touch layer and is configured to monitor a touch position according to variation of a capacitance of the touch electrode units. The touch driver inspection circuit is further configured to monitor a pressure of the touch position according to variation of pressures on the touch electrode units.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: September 6, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Dan Lin, Qibing Dai, Minlun Liu
  • Patent number: 11379062
    Abstract: A display panel and a testing method thereof, the display panel including a product region and a cutting region, and the product region including a display sub-region and a non-display sub-region. The display panel includes a flexible substrate, a thin film transistor layer, an organic light-emitting layer, a encapsulation layer, and a touch layer. The touch layer includes touch electrodes and touch leads. An end of each of the touch leads is connected to a corresponding touch electrode, the other end of each of the touch leads extends from the non-display sub-region to the cutting region, and a density of the touch leads in the cutting region is less than a density of the touch leads in the non-display sub-region.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: July 5, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Dan Lin, Qibing Dai, Minlun Liu
  • Publication number: 20220187951
    Abstract: A display module is provided. In the display module, a touch unit is disposed in a first display region, and the touch unit includes first touch electrodes and second touch electrodes arranged on a same layer and independently from each other; a fingerprint recognition touch unit is disposed in a second display region. The fingerprint recognition touch unit includes first recognition electrodes and second recognition electrodes arranged on a same layer and independently from each other, the first recognition electrodes and the second recognition electrodes are arranged to cross each other, and the first recognition electrodes and the first touch electrodes are arranged in different layers.
    Type: Application
    Filed: June 30, 2020
    Publication date: June 16, 2022
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Bi CHEN, Qibing DAI
  • Publication number: 20220187950
    Abstract: A display module is provided. The display module includes a first touch electrode, second touch electrode, and a shorting unit. A fingerprint structure layer includes first fingerprint electrodes and second fingerprint electrodes. The shorting unit includes at least a first shorting circuit and at least a second shorting circuit. The first shorting circuit shorts at least two of the first fingerprint electrodes to form the first touch electrode. The second shorting circuit shorts at least two fingerprint electrodes to form the second touch electrode.
    Type: Application
    Filed: June 30, 2020
    Publication date: June 16, 2022
    Inventors: Tengfei GE, Qibing DAI, Wenqi LI
  • Publication number: 20220187973
    Abstract: The present disclosure provides a display screen and a display device, including a display panel, a touch control layer, a first driving chip, and a second driving chip. The touch control layer includes a first recognition device configured to generate fingerprint data and a second recognition device configured to generate touch control data. The first driving chip is configured to make a fingerprint identification of a first recognition area according to the fingerprint data, and the second driving chip is configured to make a touch control recognition of the first recognition area and a second recognition area according to the fingerprint data and the touch control data.
    Type: Application
    Filed: June 28, 2020
    Publication date: June 16, 2022
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Tengfei GE, Qibing DAI
  • Publication number: 20220189361
    Abstract: The present application provides a display module, a driving method thereof, and a display device. The display module comprises: a display panel comprising at least two display areas; a detection module configured to detect a fold state of the display panel; and a driving chip module comprising one-to-one correspondence with the display area and drive its display drive chip; a gating module configured to control connection or disconnection of a line where the gating module is located; a control platform configured to output control instructions. Alleviate the problem of excessive power consumption in existing folding display devices.
    Type: Application
    Filed: June 22, 2020
    Publication date: June 16, 2022
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zengjian JIN, Fuchih CHANG, Qibing DAI
  • Publication number: 20220157075
    Abstract: A touch screen and a display device are provided. The touch screen includes a fingerprint area and a touch control area, wherein the fingerprint area is provided with a fingerprint recognition module, the touch control area is provided with a touch control module, and the fingerprint recognition module and the touch control module are disposed on a same layer. By disposing the touch control module and the fingerprint recognition module on the same layer, a fingerprint recognition function and a touch control function can be integrally realized. Compared with conventional fingerprint recognition devices, the present disclosure omits a process of attaching the fingerprint recognition module. Therefore, manufacturing costs of products are reduced, thicknesses of the products are reduced, and quality and function of the products are effectively improved.
    Type: Application
    Filed: June 23, 2020
    Publication date: May 19, 2022
    Inventors: Bo LI, Qibing DAI
  • Publication number: 20220137732
    Abstract: A display panel and a testing method thereof, the display panel including a product region and a cutting region, and the product region including a display sub-region and a non-display sub-region. The display panel includes a flexible substrate, a thin film transistor layer, an organic light-emitting layer, a encapsulation layer, and a touch layer. The touch layer includes touch electrodes and touch leads. An end of each of the touch leads is connected to a corresponding touch electrode, the other end of each of the touch leads extends from the non-display sub-region to the cutting region, and a density of the touch leads in the cutting region is less than a density of the touch leads in the non-display sub-region.
    Type: Application
    Filed: December 30, 2019
    Publication date: May 5, 2022
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Dan LIN, Qibing DAI, Minlun LIU
  • Publication number: 20220129107
    Abstract: A touch display device is provided and includes a substrate, light emitting layer, encapsulation layer, a touch layer, and a touch driver inspection circuit. The touch layer includes a plurality of touch electrode units. The touch driver inspection circuit is connected to each of the touch electrode units the touch layer and is configured to monitor a touch position according to variation of a capacitance of the touch electrode units. The touch driver inspection circuit is further configured to monitor a pressure of the touch position according to variation of pressures on the touch electrode units.
    Type: Application
    Filed: November 19, 2019
    Publication date: April 28, 2022
    Inventors: Dan LIN, Qibing DAI, Minlun LIU
  • Publication number: 20210405785
    Abstract: The disclosure provides a resistive touch screen and a flexible display device. In the flexible display device, the resistive touch screen replaces a capacitive touch screen, and materials and structures of the resistive touch screen are improved. A problem that touch accuracy of conventional capacitive touch screens is low is solved, and the flexible display device having high accuracy, an ability to detect multiple touch points, and a long lifetime can be realized.
    Type: Application
    Filed: November 19, 2019
    Publication date: December 30, 2021
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yi Li, Qibing Dai
  • Publication number: 20210359273
    Abstract: A display device with a fingerprint identification function includes: a fingerprint identification module configured to sense a fingerprint; a substrate disposed on the fingerprint identification module; a plurality of anodes disposed on the substrate; a plurality of light emitting elements disposed on the anodes; a plurality of cathodes disposed on the light emitting elements, wherein each of the cathodes has a pillar shape; and a protective layer disposed between two adjacent ones of the cathodes, wherein a refractive index of each of the cathodes is smaller than a refractive index of the protective layer. A manufacturing method of a display device with a fingerprint identification function is further provided.
    Type: Application
    Filed: April 15, 2019
    Publication date: November 18, 2021
    Inventors: Yalong Ma, Yichao Deng, Qibing Dai
  • Patent number: 11068113
    Abstract: Disclosed is a touch electrode and a touch display device. The touch electrode comprises a plurality of first electrode chains and second electrode chains intersecting with the first electrode chains. Each of the first electrode chains comprises a plurality of first electrodes and a first connecting portion. Each of the second electrode chains comprises a plurality of second electrodes and a second connecting portion. Each of the second connecting portions comprises a connecting island located between the two adjacent second electrodes, at least one first connecting bridge electrically connecting the connecting island and one of the two adjacent second electrodes and at least one second connecting bridge electrically connecting the connecting island and the other of the two adjacent second electrodes. By means of the present invention, the length of the connecting bridge can be reduced and the breaking of the connection can be prevented.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: July 20, 2021
    Inventors: Yichao Deng, Qibing Dai, Yalong Ma
  • Publication number: 20210200353
    Abstract: A display screen and an electronic apparatus. The display screen comprises: a touch layer positioned above a display layer and comprising multiple metal grid electrodes and multiple drive lines, wherein the metal grid electrodes correspond to the drive lines; the metal grid electrodes are electrically connected to the corresponding drive lines; and the metal grid electrodes and the drive lines all correspond to the positions of gaps between sub-pixels.
    Type: Application
    Filed: January 2, 2019
    Publication date: July 1, 2021
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Minlun LIU, Qibing DAI, Dan LIN
  • Publication number: 20210181896
    Abstract: Disclosed is a touch electrode and a touch display device. The touch electrode comprises a plurality of first electrode chains and second electrode chains intersecting with the first electrode chains. Each of the first electrode chains comprises a plurality of first electrodes and a first connecting portion. Each of the second electrode chains comprises a plurality of second electrodes and a second connecting portion. Each of the second connecting portions comprises a connecting island located between the two adjacent second electrodes, at least one first connecting bridge electrically connecting the connecting island and one of the two adjacent second electrodes and at least one second connecting bridge electrically connecting the connecting island and the other of the two adjacent second electrodes. By means of the present invention, the length of the connecting bridge can be reduced and the breaking of the connection can be prevented.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 17, 2021
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD
    Inventors: Yichao DENG, Qibing DAI, Yaiong MA
  • Publication number: 20210090500
    Abstract: The present disclosure relates to an driving method of an active matrix organic light-emitting diode (AMOLED) display panel, including: calculating a first proportion group and a second proportion group corresponding to each of color channels in display images of the AMOLED display panel at the first moment and the second moment, determining whether the first proportion group and the second proportion group are the same, calculating a theoretical current value corresponding to a target color channel to maintain a predetermined display brightness, obtaining an actual current value transmitted by the current detector, comparing the actual current value with the theoretical current value by the comparator, obtaining a target driving voltage value corresponding to a target proportion in the second proportion group when the actual current value is greater than the theoretical current value, adjusting a driving voltage provided by the PMIC power supply to the target drive voltage.
    Type: Application
    Filed: February 12, 2018
    Publication date: March 25, 2021
    Inventors: Minlun LIU, Weinan YAN, Qibing DAI, Dan LIN
  • Patent number: 10943539
    Abstract: The present disclosure relates to an driving method of an active matrix organic light-emitting diode (AMOLED) display panel, including: calculating a first proportion group and a second proportion group corresponding to each of color channels in display images of the AMOLED display panel at the first moment and the second moment, determining whether the first proportion group and the second proportion group are the same, calculating a theoretical current value corresponding to a target color channel to maintain a predetermined display brightness, obtaining an actual current value transmitted by the current detector, comparing the actual current value with the theoretical current value by the comparator, obtaining a target driving voltage value corresponding to a target proportion in the second proportion group when the actual current value is greater than the theoretical current value, adjusting a driving voltage provided by the PMIC power supply to the target drive voltage.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: March 9, 2021
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Minlun Liu, Weinan Yan, Qibing Dai, Dan Lin