Patents by Inventor Xianrui QIAN

Xianrui QIAN 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: 11804575
    Abstract: A manufacturing method of a display panel, a display panel, and a display apparatus. The manufacturing method includes: forming a plurality of backlight units on a process substrate; filling a partition between adjacent backlight units, where a height of the partition relative to the process substrate is greater than a height of the adjacent backlight units relative to the process substrate; preparing a filter layer on a surface of each of the plurality of backlight units away from the process substrate; stripping the backlight units with the filter layer on surfaces of the backlight units from the process substrate, and transferring to a target substrate; and packaging the target substrate.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: October 31, 2023
    Assignee: CHENGDU VISTAR OPTOELECTRONICS CO., LTD.
    Inventors: Yuchun Liu, Chih Yi Hung, Xianrui Qian, Yu Dou, Huimin Li, Chenggong Wang
  • Publication number: 20230197735
    Abstract: A driving back plate, a display panel, and a preparation method therefor. The driving back plate includes a plurality of pixel driving units. At least one of the pixel driving units includes a main electrode pair and at least one redundant electrode pair. A second electrode of the main electrode pair, a first electrode of the main electrode pair, a first electrode of a redundant electrode pair, and a second electrode of the redundant electrode pair are arranged sequentially in a first direction. At least one of the pixel driving units includes a connection line. The connection line includes a cutting portion. A signal on the connection line is configured to be input between the redundant electrode pair and the cutting portion.
    Type: Application
    Filed: February 16, 2023
    Publication date: June 22, 2023
    Applicant: CHENGDU VISTAR OPTOELECTRONICS CO., LTD.
    Inventors: Yan WANG, Fei HUANG, Jiye XIA, Cuicui SHENG, Xianrui QIAN, Chenggong WANG
  • Patent number: 11367469
    Abstract: A shift register unit circuit includes an input sub-circuit, a pull-up sub-circuit, a pull-down control sub-circuit, a pull-down sub-circuit, and a voltage regulating sub-circuit. The input sub-circuit receives an input signal from a signal input terminal to control a potential of a pull-up node. The pull-up sub-circuit outputs a gate driving signal to an output terminal under control of the potential of the pull-up node and a signal from a first signal terminal. The pull-down control sub-circuit conducts a pull-down node with a first node under control of a signal from the second signal terminal. The pull-down sub-circuit conducts the pull-up node with the first node and the turn-down signal terminal with the output terminal under control of a potential of the pull-down node. The voltage regulating sub-circuit conducts the first node with the turn-down signal terminal under control of a potential of the first node.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: June 21, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xianrui Qian, Guolei Wang, Tong Yang, Suzhen Mu, Peng Chen, Yuting Chen, Zixuan Wang, Bo Li
  • Patent number: 11328663
    Abstract: The present disclosure provides a pixel driving circuit, a driving method thereof, and a display device, and relates to the field of display technology. The pixel driving circuit includes a first driver, a second driver, and a light emitting element. The first driver is configured to generate a first driving current. The second driver is configured to generate a second driving current. The first driving current and the second driving current alternately drive the light emitting element as a main driving current.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: May 10, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xianrui Qian, Fei Li, Bo Li, Yuting Chen, Zixuan Wang
  • Patent number: 11244643
    Abstract: A shift register circuit includes a pull-up control sub-circuit, a pull-up sub-circuit and a shutdown auxiliary sub-circuit. The pull-up control sub-circuit is configured to transmit a voltage from the signal input terminal to the pull-up node under the control of the voltage from the signal input terminal. The shut-down auxiliary sub-circuit is configured to pull down a voltage of the pull-up node to a voltage of the discharge voltage terminal under the control of a voltage from the pull-up node. The pull-up sub-circuit is configured to transmit a voltage from the clock signal terminal to the first signal output terminal under the control of a voltage from the pull-up node. The first signal output terminal is configured to be connected to a gate line.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: February 8, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zixuan Wang, Peng Chen, Tong Yang, Xianrui Qian, Yuting Chen, Suzhen Mu, Zhou Rui, Xiong Xiong
  • Patent number: 11222567
    Abstract: A shift register circuit includes a noise reduction sub-circuit and a pull-down node control sub-circuit. A control end of the noise reduction sub-circuit is connected to a pull-down node, the noise reduction sub-circuit is connected to a first voltage input end. The pull-down node control sub-circuit includes a first pull-down node control sub-circuit and a second pull-down node control sub-circuit. The second pull-down node control sub-circuit controls the pull-down control node to be connected to a first clock signal input end when the first clock signal input end inputs a first level, the pull-down node to be connected to the first clock signal input end when a potential of the pull-down control node is at the first level, so that the potential of the pull-down node is at a first level and a noise reduction transistor included in the noise reduction sub-circuit is turned off.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: January 11, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xianrui Qian, Zixuan Wang, Yuting Chen, Fei Li, Bo Li
  • Publication number: 20210335176
    Abstract: A shift register circuit includes a noise reduction sub-circuit and a pull-down node control sub-circuit. A control end of the noise reduction sub-circuit is connected to a pull-down node, the noise reduction sub-circuit is connected to a first voltage input end. The pull-down node control sub-circuit includes a first pull-down node control sub-circuit and a second pull-down node control sub-circuit. The second pull-down node control sub-circuit controls the pull-down control node to be connected to a first clock signal input end when the first clock signal input end inputs a first level, the pull-down node to be connected to the first clock signal input end when a potential of the pull-down control node is at the first level, so that the potential of the pull-down node is at a first level and a noise reduction transistor included in the noise reduction sub-circuit is turned off.
    Type: Application
    Filed: August 14, 2018
    Publication date: October 28, 2021
    Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xianrui QIAN, Zixuan WANG, Yuting CHEN, Fei LI, Bo LI
  • Publication number: 20210265535
    Abstract: A manufacturing method of a display panel, a display panel, and a display apparatus. The manufacturing method includes: forming a plurality of backlight units on a process substrate; filling a partition between adjacent backlight units, where a height of the partition relative to the process substrate is greater than a height of the adjacent backlight units relative to the process substrate; preparing a filter layer on a surface of each of the plurality of backlight units away from the process substrate; stripping the backlight units with the filter layer on surfaces of the backlight units from the process substrate, and transferring to a target substrate; and packaging the target substrate.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Applicant: Chengdu Vistar Optoelectronics Co., Ltd.
    Inventors: Yuchun LIU, Chih Yi HUNG, Xianrui QIAN, Yu DOU, Huimin LI, Chenggong WANG
  • Patent number: 11004417
    Abstract: There is provided in the present disclosure a shift register unit, including: a pull-up control circuit, connected to a signal input terminal and a pull-up node; a pull-up circuit, connected to the pull-up node, a first clock signal terminal and a signal output terminal; a pull-down circuit, connected to a pull-down node, the pull-up node, the signal output terminal and a power supply voltage terminal, and configured to pull down voltages of the pull-up node and the signal output terminal to a voltage of the power supply voltage terminal under the control of the pull-down node; a first pull-down control circuit, connected to a second clock signal terminal, a pull-down control signal terminal, the pull-down node and the power supply voltage terminal, and configured to pull up the voltage of the pull-down node to a valid pull-down level under the control of the pull-down control signal terminal.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: May 11, 2021
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xianrui Qian, Yuting Chen, Zixuan Wang, Donghui Zhang
  • Publication number: 20210012709
    Abstract: The present disclosure provides a pixel driving circuit, a driving method thereof, and a display device, and relates to the field of display technology. The pixel driving circuit includes a first driver, a second driver, and a light emitting element. The first driver is configured to generate a first driving current. The second driver is configured to generate a second driving current. The first driving current and the second driving current alternately drive the light emitting element as a main driving current.
    Type: Application
    Filed: September 28, 2018
    Publication date: January 14, 2021
    Inventors: Xianrui Qian, Fei Li, Bo Li, Yuting Chen, Zixuan Wang
  • Patent number: 10885999
    Abstract: The embodiments of the present application provide a shift register, a method for controlling the same, a gate driving circuit, and a display apparatus. The shift register includes: an input circuit coupled to a signal input terminal and a pull-up node; a pull-up circuit coupled to the pull-up node, a first clock signal terminal and a signal output terminal; a pull-down circuit coupled to a reset signal terminal, a first voltage signal terminal, the pull-up node, and the signal output terminal; a pull-down control circuit coupled to a second clock signal terminal, the pull-up node, a pull-down node, and the first voltage signal terminal; a first de-noising circuit coupled to the pull-up node, the signal input terminal, the first voltage signal terminal, and a compensation node; and a compensation circuit coupled to the first clock signal terminal, the second clock signal terminal, and the compensation node.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: January 5, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xianrui Qian, Yuting Chen, Fei Li, Bo Li
  • Patent number: 10796635
    Abstract: The present disclosure relates to a pixel driving circuit and a driving method for the same and a display panel. The pixel driving circuit includes a driver unit, a circuit switching unit, and a storage capacitor unit. The driver unit includes a first sub-driver unit and a second sub-driver unit. The circuit switching unit has a first switching unit and a second switching unit. Two terminals of the first switching unit are electrically connected to a first terminal of the light emitting unit and the first sub-driver unit, respectively, two terminals of the second switching unit are electrically connected to the light emitting unit and the second sub-driver unit, respectively, and the circuit switching unit is configured to switch conductive states of the first switching unit and the second switching unit.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: October 6, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Xianrui Qian, Yuting Chen, Zixuan Wang, Bo Li, Fei Li
  • Publication number: 20200258554
    Abstract: A shift register unit circuit includes an input sub-circuit, a pull-up sub-circuit, a pull-down control sub-circuit, a pull-down sub-circuit, and a voltage regulating sub-circuit. The input sub-circuit receives an input signal from a signal input terminal to control a potential of a pull-up node. The pull-up sub-circuit outputs a gate driving signal to an output terminal under control of the potential of the pull-up node and a signal from a first signal terminal. The pull-down control sub-circuit conducts a pull-down node with a first node under control of a signal from the second signal terminal. The pull-down sub-circuit conducts the pull-up node with the first node and the turn-down signal terminal with the output terminal under control of a potential of the pull-down node. The voltage regulating sub-circuit conducts the first node with the turn-down signal terminal under control of a potential of the first node.
    Type: Application
    Filed: October 9, 2017
    Publication date: August 13, 2020
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xianrui QIAN, Guolei WANG, Tong YANG, Suzhen MU, Peng CHEN, Yuting CHEN, Zixuan WANG, Bo LI
  • Patent number: 10679552
    Abstract: A pixel circuit includes a first control sub-circuit, a second control sub-circuit, a current detection sub-circuit, a driving sub-circuit, and an energy storage sub-circuit. The first control sub-circuit is configured to transmit a voltage on a data voltage terminal to a first node under control of a voltage on a first scan signal terminal. The second control sub-circuit is configured to transmit the voltage on the first node to a control terminal of the driving sub-circuit under control of a voltage on a second scan signal terminal. The current detection sub-circuit is configured to output a detection current under control of the voltage on the first node and detect a current value of the detection current. The driving sub-circuit is configured to output a driving current under control of the voltage on the control terminal of the driving sub-circuit. The energy storage sub-circuit is configured to store electrical energy.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: June 9, 2020
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Xianrui Qian
  • Patent number: 10672491
    Abstract: A shift register, an array substrate and a display device in the field of display technology are provided in the present disclosure. In the shift register, the gate electrode of the first transistor is connected to a second node, one of the source electrode and the drain electrode is connected to a first clock signal line, and the other one is connected to the first node. The gate electrode of the second transistor is connected to the second node, one of the source electrode and the drain electrode is connected to the second node, and the other one is connected to the first clock signal line. The charging circuitry is configured to set the second node to an effective level when a second clock signal line is at an effective level. The memory circuitry is configured to store the threshold voltage of the second transistor and compensate the threshold voltage of the first transistor with the stored threshold voltage.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: June 2, 2020
    Assignees: Boe Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Xianrui Qian, Bo Li
  • Patent number: 10657866
    Abstract: A display device, a gate drive circuit, a shift register and its control method are described. The shift register includes: an input circuit, a first output circuit, a second output circuit, a control circuit and an output drive circuit, wherein the output drive circuit is connected to a second signal input terminal, a pull-up node, a control terminal of the second output circuit and a low voltage signal terminal, and is configured to write a voltage of the second signal input terminal into the control terminal of the second output circuit and superimpose a voltage of the pull-up node onto the control terminal of the second output circuit under the control of a second input signal provided at the second signal input terminal, such that the second output circuit is fully turned on to ensure that it has good output capability when working at a low temperature.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: May 19, 2020
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xianrui Qian, Yuting Chen, Zixuan Wang, Bo Li, Fei Li
  • Patent number: 10657898
    Abstract: A pixel driving circuit, a driving method, an organic light emitting display panel and a display device, including: a data writing module, a storage module, at least one first light emitting device, a first driving module corresponding to the respective first light emitting device one-to-one, at least one second light emitting device, and a second driving module corresponding to the respective second light emitting device one-to-one.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: May 19, 2020
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Xianrui Qian, Bo Li, Yunlong Cai
  • Publication number: 20190325836
    Abstract: There is provided in the present disclosure a shift register unit, including: a pull-up control circuit, connected to a signal input terminal and a pull-up node; a pull-up circuit, connected to the pull-up node, a first clock signal terminal and a signal output terminal; a pull-down circuit, connected to a pull-down node, the pull-up node, the signal output terminal and a power supply voltage terminal, and configured to pull down voltages of the pull-up node and the signal output terminal to a voltage of the power supply voltage terminal under the control of the pull-down node; a first pull-down control circuit, connected to a second clock signal terminal, a pull-down control signal terminal, the pull-down node and the power supply voltage terminal, and configured to pull up the voltage of the pull-down node to a valid pull-down level under the control of the pull-down control signal terminal.
    Type: Application
    Filed: April 19, 2019
    Publication date: October 24, 2019
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xianrui Qian, Yuting Chen, Zixuan Wang, Donghui Zhang
  • Publication number: 20190311667
    Abstract: A display device, a gate drive circuit, a shift register and its control method are described. The shift register includes: an input circuit, a first output circuit, a second output circuit, a control circuit and an output drive circuit, wherein the output drive circuit is connected to a second signal input terminal, a pull-up node, a control terminal of the second output circuit and a low voltage signal terminal, and is configured to write a voltage of the second signal input terminal into the control terminal of the second output circuit and superimpose a voltage of the pull-up node onto the control terminal of the second output circuit under the control of a second input signal provided at the second signal input terminal, such that the second output circuit is fully turned on to ensure that it has good output capability when working at a low temperature.
    Type: Application
    Filed: January 21, 2019
    Publication date: October 10, 2019
    Inventors: Xianrui QIAN, Yuting Chen, Zixuan Wang, Bo Li, Fei Li
  • Patent number: 10438554
    Abstract: Provided are a shift register and a driving method thereof, a gate on array circuit and a display apparatus. The shift register includes a pre-charging module, an output module, a reset module and a reset control module. The pre-charging module is configured to charge a first node in a pre-charging period. The output module is configured to pull up a voltage at the first node and output a driving signal through the output signal terminal in an output period. The reset control module is configured to pull up a voltage at the second node by the driving signal outputted through the output signal terminal in the output period and output the voltage at the second node pulled up in the output period to the reset module as a reset signal in a reset period.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: October 8, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xianrui Qian