Patents by Inventor Guangxing Wang

Guangxing Wang 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).

  • Publication number: 20210166613
    Abstract: A display driving system includes a timing controller, a level shifter and a power supply circuit. The timing controller is configured to send first clock signals having a first level, a second level and a third level to the level shifter. The second level is less than the first level and greater than the third level. The power supply circuit is configured to output a first, second and third voltage signals to the level shifter. The second voltage signal has a second voltage less than a first voltage of the first voltage signal and greater than a third voltage of the third voltage signal. The level shifter is configured to transmit the first voltage in response to the first level, the second voltage to in response to the second level and the third voltage in response to the third level, to a gate driver circuit.
    Type: Application
    Filed: November 30, 2020
    Publication date: June 3, 2021
    Inventors: Qiang ZHANG, Dianzheng DONG, Guangxing WANG, Wenpeng XU, Wan LIN, Haixu WANG, Leiyang WANG, Haiqin HUANG
  • Patent number: 11011091
    Abstract: An array substrate, a display panel, a display device, an operating method, and a manufacturing method are disclosed. The array substrate includes a wiring structure formed on a base substrate, and the wiring structure includes a common electrode line for connecting a common electrode, and a plurality of signal lines. The plurality of signal lines include at least one pair of signal lines, and the pair of signal lines include a first signal line and a second signal line. The first signal line is disposed on a first side of the common electrode line and is configured to transmit a driving signal for a gate driving circuit. The second signal line is disposed on a second side of the common electrode line and is configured to transmit an inverted signal of the driving signal.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: May 18, 2021
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qiang Zhang, Dianzheng Dong, Guangxing Wang, Pengming Chen, Wenpeng Xu, Wan Lin, Haixu Wang, Leiyang Wang
  • Publication number: 20210012698
    Abstract: A pixel circuit includes a liquid crystal capacitor, a selection unit, a gray scale writing unit, and a reset unit. The selection unit is configured to determine whether to charge the liquid crystal capacitor according to a row control signal and a column control signal. The gray scale writing unit is configured to apply a gray scale voltage signal to the liquid crystal capacitor, when the selection unit determines to charge the liquid crystal capacitor, and an application duration of the gray scale voltage signal controls a gray scale level displayed by the liquid crystal capacitor. The reset unit is configured to disconnect the gray scale writing unit and the liquid crystal capacitor to stop charging the liquid crystal capacitor upon receiving the reset signal, and reset the voltage of the liquid crystal capacitor to an initial state.
    Type: Application
    Filed: April 19, 2018
    Publication date: January 14, 2021
    Inventors: Pengming CHEN, Bin Zhang, Dianzheng Doug, Qiang Zhang, Guangxing Wang, Kan Zhang, Wenpeng Xu, Ziqiang Guo, Yongquan Lu
  • Patent number: 10871857
    Abstract: A touch panel, a display device and a touch detection method are provided. The touch panel includes a base substrate, a plurality of transmitter groups and a receiver. The base substrate has a touch surface configured to receive a touch operation, each of the plurality of transmitter groups includes a plurality of transmitters. The transmitters are configured to emit light, the receiver is configured to receive light emitted by the transmitters. the base substrate is configured to produces a deformation upon receiving the touch operation, the light received by the receiver corresponds to the deformation.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: December 22, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Kan Zhang, Weitao Chen, Bin Zhang, Pengming Chen, Guangxing Wang, Qiang Zhang, Dianzheng Dong
  • Publication number: 20200241692
    Abstract: A touch panel, a display device and a touch detection method are provided. The touch panel includes a base substrate, a plurality of transmitter groups and a receiver. The base substrate has a touch surface configured to receive a touch operation, each of the plurality of transmitter groups includes a plurality of transmitters. The transmitters are configured to emit light, the receiver is configured to receive light emitted by the transmitters. the base substrate is configured to produces a deformation upon receiving the touch operation, the light received by the receiver corresponds to the deformation.
    Type: Application
    Filed: June 27, 2017
    Publication date: July 30, 2020
    Inventors: Kan ZHANG, Weitao CHEN, Bin ZHANG, Pengming CHEN, Guangxing WANG, Qiang ZHANG, Dianzheng DONG
  • Publication number: 20200211434
    Abstract: An array substrate, a display panel, a display device, an operating method, and a manufacturing method are disclosed. The array substrate includes a wiring structure formed on a base substrate, and the wiring structure includes a common electrode line for connecting a common electrode, and a plurality of signal lines. The plurality of signal lines include at least one pair of signal lines, and the pair of signal lines include a first signal line and a second signal line. The first signal line is disposed on a first side of the common electrode line and is configured to transmit a driving signal for a gate driving circuit. The second signal line is disposed on a second side of the common electrode line and is configured to transmit an inverted signal of the driving signal.
    Type: Application
    Filed: August 2, 2019
    Publication date: July 2, 2020
    Inventors: Qiang ZHANG, Dianzheng DONG, Guangxing WANG, Pengming CHEN, Wenpeng XU, Wan LIN, Haixu WANG, Leiyang WANG
  • Patent number: 10678361
    Abstract: The present disclosure provides a touch circuit, a touch array circuit and a method for driving the same, and a display panel. The touch circuit includes: a first resistor, a second resistor, a control sub-circuit, a third resistor, a strain resistor and a Hall element. The first resistor is connected to a first scanning signal terminal, the control sub-circuit, the second resistor and the Hall element. The second resistor is further connected to a first level terminal and the third resistor. The control sub-circuit is further connected to the strain resistor and a second scanning signal terminal. The strain resistor is further connected to the third resistor and the Hall element. The Hall element is further connected to an inductive voltage output terminal.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: June 9, 2020
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Kan Zhang, Bin Zhang, Dianzheng Dong, Qiang Zhang, Pengming Chen, Yu Xie, Guangxing Wang
  • Publication number: 20200174606
    Abstract: A touch circuit includes a touch circuit, a first energy storage circuit, a second energy storage circuit and a resetting circuit. A first end of the first energy storage circuit is connected to a control end of the touch circuit, and a second end thereof is connected to a first voltage input end. A first end of the second energy storage circuit is connected to a first conductive line, and a second end thereof is connected to the control end of the touch circuit. A first end of the touch circuit is connected to the first conductive line, and a second end thereof is connected to a third conductive line. A control end of the resetting circuit is connected to a second conductive line, a first end thereof is connected to the third conductive line, and a second end thereof is connected to a second voltage input end.
    Type: Application
    Filed: April 19, 2019
    Publication date: June 4, 2020
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangxing WANG, Dianzheng DONG, Qiang ZHANG, Pengming CHEN, Wenpeng XU, Kan ZHANG, Jie LI
  • Patent number: 10665191
    Abstract: A shift register and driving method therefore, and a display device are provided. The shift register includes: an input circuit; an output circuit; a reset circuit; a pull-down circuit; a pull-down control circuit; and a first noise reduction circuit. The first noise reduction circuit is coupled to a second input terminal of the shift register, a first input terminal, an output terminal and a first supply voltage terminal. The shift register can effectively reduce noise at the output terminal.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: May 26, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Guangxing Wang, Bin Zhang, Dianzheng Dong, Qiang Zhang, Pengming Chen, Kan Zhang, Yu Xie, Zheng Wang
  • Patent number: 10665163
    Abstract: A pixel circuit includes a light emitting device, a driving transistor for controlling a magnitude of a driving current supplied from a first power supply to the light emitting device in response to a potential at a first node, a storage capacitor for causing a change in the potential at the first node in response to a change in a potential at a second node, a first circuit for transmitting a voltage signal in a data line to the second node in response to a signal in a first scan line being active, a second circuit for bringing the driving transistor into a diode-connecting state in response to a signal in a second scan line being active, and a third circuit.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: May 26, 2020
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CP., LTD.
    Inventors: Bin Zhang, Guangxing Wang, Qiang Zhang, Wenpeng Xu, Dianzheng Dong, Pengming Chen, Kan Zhang
  • Patent number: 10629154
    Abstract: A circuit for powering off a liquid crystal panel, a peripheral drive device, and a liquid crystal panel. In the circuit for powering off a liquid crystal panel, a switch module is coupled to an enable signal transmission line, a common electrode and respective data lines of the liquid crystal panel, and is configured to be switched on upon receiving an enable signal, to connect the respective data lines to the common electrode. A peripheral drive device comprises: a reset signal generation module, a first, second and third control module, a data line drive module, a common electrode drive module, and a gate drive module. The reset signal generation module outputs a first reset signal when a driving voltage of a liquid crystal panel is less than a set value. The first control module outputs an enable signal in response to the first reset signal. The second control module drives the gate drive module to scan of gate lines for at least one frame in response to the first reset signal.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: April 21, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Dianzheng Dong, Bin Zhang, Qiang Zhang, Guangxing Wang, Kan Zhang, Yu He
  • Publication number: 20200090610
    Abstract: A shift register and driving method therefore, and a display device are provided. The shift register includes: an input circuit; an output circuit; a reset circuit; a pull-down circuit; a pull-down control circuit; and a first noise reduction circuit. The first noise reduction circuit is coupled to a second input terminal of the shift register, a first input terminal, an output terminal and a first supply voltage terminal. The shift register can effectively reduce noise at the output terminal.
    Type: Application
    Filed: June 27, 2017
    Publication date: March 19, 2020
    Inventors: Guangxing WANG, Bin ZHANG, Dianzheng DONG, Qiang ZHANG, Pengming CHEN, Kan ZHANG, Yu XIE, Zheng WANG
  • Patent number: 10553159
    Abstract: Disclosed are a pixel circuit, a display panel and a display device. The pixel circuit includes driving circuits which are in one-to-one correspondence to data lines, each driving circuit being disposed in a peripheral area of a display panel; compensating circuits which are in one-to-one correspondence to gate lines, each compensating circuit being disposed in a peripheral area of the display panel; and light emitting devices. Each compensating circuit outputs a first reference signal or a second reference signal to the corresponding driving circuit. Each driving circuit drives a corresponding light emitting device to emit light through a signal from the corresponding compensating circuit and a data signal from the corresponding data line. The pixel circuit of the present disclosure can improve the aperture ratio of a pixel unit.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: February 4, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD, BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Guangxing Wang, Bin Zhang, Dianzheng Dong, Kan Zhang, Qiang Zhang
  • Patent number: 10551646
    Abstract: An array substrate and a magneto-optical switch display. The array substrate includes: a thin film transistor T, a coil connected with the thin film transistor, and a magneto-optic crystal interposed in the coil, the coil and the magneto-optic crystal constituting a magneto-optical switch structure, and the magneto-optical switch structure can change a transmission rate of emergent light transmitting through the array substrate.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: February 4, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Pengming Chen, Bin Zhang, Dianzheng Dong, Kan Zhang, Qiang Zhang, Guangxing Wang
  • Patent number: 10545606
    Abstract: The present disclosure discloses a scanning circuit for touch screen, touch screen and touch control method. The canning circuit for touch screen includes: a multiplexing circuit and a touch driving circuit coupled to the same, the touch driving circuit includes m signal input terminals, each of which is coupled to n receiving-electrode channels, and in an ith time slot of a current scanning period, the multiplexing circuit controls the touch driving circuit to receive, through the m signal input terminals, output signals from m receiving-electrode channels, and determines a touch position according to an emitting-electrode channel corresponding to the current scanning period and the output signals of the m receiving-electrode channels, the current scanning period includes n time slots, i=1, 2, . . . n, and the output signals of the m receiving-electrode channels received by the touch driving circuit in each time slot are different.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: January 28, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY GROUP CO., LTD.
    Inventors: Kan Zhang, Bin Zhang, Qiang Zhang, Guangxing Wang, Dianzheng Dong, Pengming Chen
  • Publication number: 20190347988
    Abstract: A pixel circuit includes a light emitting device, a driving transistor for controlling a magnitude of a driving current supplied from a first power supply to the light emitting device in response to a potential at a first node, a storage capacitor for causing a change in the potential at the first node in response to a change in a potential at a second node, a first circuit for transmitting a voltage signal in a data line to the second node in response to a signal in a first scan line being active, a second circuit for bringing the driving transistor into a diode-connecting state in response to a signal in a second scan line being active, and a third circuit.
    Type: Application
    Filed: February 12, 2018
    Publication date: November 14, 2019
    Inventors: Bin ZHANG, Guangxing WANG, Qiang ZHANG, Wenpeng XU, Dianzheng DONG, Pengming CHEN, Kan ZHANG
  • Patent number: 10467937
    Abstract: The disclosure discloses a shift register unit, a driving method thereof, a gate driving circuit and a display device. The shift register unit comprises an input circuit, a reset circuit, a control circuit, a pull-down circuit and an output circuit, a first control terminal of the output circuit is coupled to a first node, its first input terminal is coupled to a second clock signal terminal, its first output terminal is coupled to a signal output terminal, both terminals of the pull-down circuit are coupled to a first clock signal terminal and the first node, respectively, and the pull-down circuit may pull down the potential of the first node via the first clock signal terminal, which may thus avoid that the potential of the first node also rises when the potential of the second clock signal terminal rises, and the signal of the second clock signal terminal is mistakenly provided to the signal output terminal to cause various poor display.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: November 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Dianzheng Dong, Bin Zhang, Ming Tian, Qiang Zhang, Guangxing Wang, Kan Zhang, Pengming Chen
  • Publication number: 20190258348
    Abstract: The present disclosure provides a touch circuit, a touch array circuit and a method for driving the same, and a display panel. The touch circuit includes: a first resistor, a second resistor, a control sub-circuit, a third resistor, a strain resistor and a Hall element. The first resistor is connected to a first scanning signal terminal, the control sub-circuit, the second resistor and the Hall element. The second resistor is further connected to a first level terminal and the third resistor. The control sub-circuit is further connected to the strain resistor and a second scanning signal terminal. The strain resistor is further connected to the third resistor and the Hall element. The Hall element is further connected to an inductive voltage output terminal.
    Type: Application
    Filed: March 7, 2018
    Publication date: August 22, 2019
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Kan Zhang, Bin Zhang, Dianzheng Dong, Qiang Zhang, Pengming Chen, Yu Xie, Guangxing Wang
  • Patent number: 10372250
    Abstract: The present disclosure provides a tactile feedback device, including: a deformable structure, a driver coupled to the deformable structure, and a controller coupled to the driver. The deformable structure is configured to include a plurality of deformable units placed on a display panel, each of the plurality of deformable units being capable of deforming along a direction at an angle to a plane the plurality of deformable units is placed on. The controller is configured to generate and send a control signal to the driver, the control signal being based on a touch location of a touch motion. The driver is configured to drive deformable units corresponding to the touch location to deform based on the control signal.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: August 6, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Bin Zhang, Qiang Zhang, Guangxing Wang, Kan Zhang
  • Patent number: 10299384
    Abstract: This disclosure discloses a flexible printed circuit, a chip on film, and a bonding method and a display device using this flexible printed circuit and chip on film. The flexible printed circuit/chip on film of this disclosure comprises a humidity detection layer located between a flexible base film and a metal foil, wherein the humidity detection layer and the flexible base film, and/or the humidity detection layer and the metal foil, are optionally bonded by an adhesive layer. The humidity detection layer can change resistance and/or color according to the humidity, so that intuitive and rapid localization of coating defects is performed directly (by color change) or by means of a detecting lead and an impedance/voltage detecting circuit, and finally the object of reducing the ratio of defective products is achieved.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: May 21, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Qiang Zhang, Bin Zhang, Dianzheng Dong, Guangxing Wang, Kan Zhang