Patents by Inventor Tuo Sun

Tuo Sun 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: 20180047344
    Abstract: A signal generating unit, a shift register, a display device and a signal generating method. The signal generating unit includes: a first output transistor; a second output transistor; a first-node potential control module, configured to output a first control signal to a gate electrode of the first output transistor under control of an inputted start signal; a second-node potential control module configured to output a second control signal, which has an opposite phase with the first control signal, to a gate electrode of the second output transistor; and a first capacitor structure configured to be charged when the first-node potential control module outputs a single-pulse-width level signal for controlling the first output transistor to be switched on, and to maintain the gate electrode of the first output transistor in an on state during a subsequent time period having one pulse width.
    Type: Application
    Filed: May 11, 2016
    Publication date: February 15, 2018
    Applicant: BOE Technology Group Co., Ltd.
    Inventor: Tuo Sun
  • Patent number: 9865517
    Abstract: The present disclosure provides a test element group, an array substrate, a test device and a test method. The test element group includes an array of Thin Film Transistors (TFTs), in which first electrodes of the TFTs in each row are connected to a first connection end, second electrodes of the TFTs in each column are connected to a second connection end, and third electrodes of all of the TFTs in the array are connected to an identical third connection end. The first electrode, the second electrode and the third electrode correspond to the source electrode, the drain source and the gate source of the TFT.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: January 9, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying Liu, Hongwei Tian, Tuo Sun
  • Patent number: 9830850
    Abstract: The present invention provides a shift register, in which first and second shifting modules are turned on by the first input module according to a first clock signal; the first shifting module shiftingly outputs a first input signal when it is on; a first reset module turns off the first shifting module according to a third clock signal and outputs the first input signal; the second shifting module shiftingly outputs a second input signal when it is on; a second input module outputs a turning-on signal or a turning-off signal to a second reset module according to the first clock signal; a second reset module outputs the second input signal when it is turned on; and a third input module turns off the second shifting module according to the second clock signal. The first, second and third clock signals have a same clock period and a same duty cycle.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: November 28, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo Sun
  • Publication number: 20170330633
    Abstract: The present disclosure provides a shift register, including: an input circuit, electrically connected to a triggering signal line that provides a triggering signal, a first clock signal line that provides a first clock signal, and a first node; configured for controlling whether the triggering signal is outputted to the first node based on the first clock signal; a control circuit, electrically connected to the first node, a second node, the first clock signal line, a second clock signal line that provides a second clock signal, and a turn-on signal line that provides a turn-on signal, configured for controlling whether the turn-on signal is outputted to the second node; and an output circuit, electrically connected to the first node, the second node, a first signal line that provides a first signal, a second signal line that provides a second signal, and a driving signal output line that outputs a driving signal.
    Type: Application
    Filed: October 25, 2016
    Publication date: November 16, 2017
    Inventors: Tuo SUN, Zhanjie MA
  • Patent number: 9805661
    Abstract: The embodiments of the present invention provide a pixel compensation circuit, a display device and a driving method. The data signal loading module in the pixel compensation circuit loads the data signal to the gate of the driving transistor when the scanning signal is a turn-on signal. The voltage loading module loads the first voltage signal to the source of the driving transistor when the first luminescent signal and the scanning signal are both turn-on signals. The driving signal generation module is used for storing the signal of the source of the driving transistor, the signal of the gate of the driving transistor, the third voltage signal and the voltage signal inputted by the voltage loading module at that time; and is capable of generating a driving signal for driving the organic light-emitting diode to emit light.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: October 31, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tuo Sun, Zhanjie Ma
  • Patent number: 9799269
    Abstract: The present disclosure provides a pixel circuit, a display panel and a driving method thereof. The pixel circuit comprises a charging module, a light-emitting device and a capacitor. The present disclosure achieves a pulse width modulation driving with a pixel data refreshing frequency that is equal to a frame frequency, and addresses the problem of a large operation current and a low service life with the light-emitting device in the pixel. Furthermore, it features in low power consumption, a simple structure and being easy to implement.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: October 24, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lujiang Huangfu, Tuo Sun, Xinshe Yin
  • Publication number: 20170301278
    Abstract: Embodiments of the disclosure provide a display substrate and a driving method thereof, as well as a display device. The display substrate comprises a plurality of select switch arrays and a plurality of selecting control circuits formed on the base substrate. Each select switch array comprises a plurality of select switches, a first terminal of each select switch being connected to a corresponding data line, a second end of each select switch being connected to a same data voltage input terminal, a control terminal of each select switch being connected to a same selecting control circuit. Each data line is connected with two columns of pixels, and the gate lines connected with the two columns of pixels are different. Each selecting control circuit is connected to a plurality of selecting control signal input terminals and a corresponding select switch array.
    Type: Application
    Filed: February 16, 2016
    Publication date: October 19, 2017
    Inventors: Tuo SUN, Zhanjie MA
  • Publication number: 20170294161
    Abstract: Embodiments of the present disclosure provide a drive circuit and a drive method thereof, a display substrate and a drive method thereof, and a display device. The drive circuit comprises a conversion unit provided with a first input terminal, a second input terminal, a third input terminal, a fourth input terminal, and an output terminal, wherein the fourth input terminal is connected to a direct current power source, and wherein the output terminal is connected to a pixel circuit. The first input terminal is configured to input a voltage signal, the second input terminal is configured to input a first drive signal, the third input terminal is configured to input a second drive signal, and the output terminal is configured to output a current signal. The conversion unit converts the voltage signal output from the source drive unit into the current signal and the pixel circuit is driven by the current signal.
    Type: Application
    Filed: April 7, 2016
    Publication date: October 12, 2017
    Inventors: Tuo Sun, Zhanjie Ma
  • Patent number: 9780149
    Abstract: An organic light emitting diode display pixel, a display panel and a display device are provided. The organic light emitting diode display pixel comprises a red light emitting device, a green light emitting device and a blue light emitting device arranged side by side and disposed oblique with respect to a border of the pixel. The red light emitting device and the green light emitting device are located on both sides of the blue light emitting device, which has a length larger than those of the red one and the green one. The display pixel can prolong the service life of a display panel without reducing the total aperture ratio of pixels.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: October 3, 2017
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Tuo Sun, Ying Liu
  • Publication number: 20170269783
    Abstract: The present disclosure provides in some embodiments a pixel driving circuit, a display panel, a method for driving the display panel, and a display device. The pixel driving circuit includes a preset unit, a driving unit, a compensation unit, an energy storage unit, and a driving signal output unit.
    Type: Application
    Filed: March 1, 2016
    Publication date: September 21, 2017
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji YANG, Xue DONG, Hailin XUE, Haisheng WANG, Xiaochuan CHEN, Hongjuan LIU, Tuo SUN, Lifei MA, Yingming LIU, Weijie ZHAO, Changfeng LI
  • Patent number: 9768236
    Abstract: An organic light emitting diode display panel and a manufacturing method thereof. The display panel includes a plurality of pixel units arranged in arrays, each pixel unit has a first electrode layer, a second electrode layer and at least three light emitting layers. Each light emitting layer includes a planar light emitting layer and at least two annular light emitting layers disposed concentrically with the planar light emitting layer. The first electrode layer has a planar first electrode at a location that corresponds to the planar light emitting layer, and the first electrode layer has an annular first electrode at a location that corresponds to each annular light emitting layer.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: September 19, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tuo Sun, Ying Liu
  • Patent number: 9761175
    Abstract: A shift register is proposed, comprising: a first control module connected to an ON voltage access terminal and a first node, for controlling whether to output an ON voltage and a first control signal to the first node; a second control module connected to the ON voltage access terminal, a second node and an output terminal, for controlling whether to output the ON voltage and a voltage of the output terminal to the second node; an output module connected to the first node, the second node, the output terminal, an OFF voltage access terminal, and the ON voltage access terminal, for inputting the ON or OFF voltage to the output terminal according to voltages of the first and second nodes; and an input module connected to an input terminal, for controlling whether to input a signal of the input terminal to the first and second control modules.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: September 12, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhanjie Ma, Tuo Sun
  • Publication number: 20170256202
    Abstract: A pixel circuit, a driving method, an organic electroluminescent display panel, and a display device are provided. The pixel circuit comprises a driving controller, a light emitter, a light emitting controller, an initialization controller, and a compensation controller. The pixel circuit can compensate the drift of the threshold voltage of the driving controller by using the preset threshold voltage which is written by the compensation controller and has a same threshold voltage as the driving controller. The driving current by which the driving controller drives the light emitter to emit light is only dependent on the voltage of the data signal and the voltage of the initialization signal, and independent on the threshold voltage of the driving controller, thus preventing the threshold voltage of the driving controller from affecting the light emitter.
    Type: Application
    Filed: September 18, 2015
    Publication date: September 7, 2017
    Inventor: Tuo Sun
  • Patent number: 9734763
    Abstract: The embodiments of the present disclosure disclose a pixel circuit, a driving method and a display apparatus. The pixel circuit comprises multiple sub-pixel circuits, one of which is arranged with a threshold compensation module, and shares a voltage compensated by the threshold compensation module with other sub-pixel circuits. According to the embodiments of the present disclosure, only a threshold compensation module may be arranged for multiple pixels, so as to reduce an average area occupied by a single pixel and is beneficial for improving the PPI of the display apparatus.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: August 15, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo Sun
  • Patent number: 9734761
    Abstract: The present disclosure relates to the art of display manufacture. There are provided a pixel circuit, a driving method for the same and a display device.
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: August 15, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tae Gyu Kim, Tuo Sun
  • Patent number: 9728114
    Abstract: The present invention relates to liquid crystal display manufacturing technology. There provides a display drive signal compensating method, comprising the steps of: acquiring an original drive signal of every row of input pixels in a display; determining a position of the row of input pixels, based on the original drive signal; generating a compensation signal for compensating the original drive signal, based on a transmission line internal resistance at the position of the row of input pixels; and outputting a superposed signal obtained by superposing the compensation signal on the original drive signal to the row of input pixels. This method can compensates a voltage drop of the drive signal resulted by the transmission line internal resistance and thus improves the display effect. Meanwhile, there also provide a display drive signal compensating device for carrying out the abovementioned method, and correspondingly, a display comprising such device.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: August 8, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo Sun
  • Publication number: 20170206824
    Abstract: The present invention provides a shift register, in which first and second shifting modules are turned on by the first input module according to a first clock signal; the first shifting module shiftingly outputs a first input signal when it is on; a first reset module turns off the first shifting module according to a third clock signal and outputs the first input signal; the second shifting module shiftingly outputs a second input signal when it is on; a second input module outputs a turning-on signal or a turning-off signal to a second reset module according to the first clock signal; a second reset module outputs the second input signal when it is turned on; and a third input module turns off the second shifting module according to the second clock signal. The first, second and third clock signals have a same clock period and a same duty cycle.
    Type: Application
    Filed: January 6, 2016
    Publication date: July 20, 2017
    Inventor: Tuo SUN
  • Patent number: 9711089
    Abstract: A scan driving circuit, including a multi-stage shift register unit that outputs scan signals by stage under control of a clock signal (CKR, CKBR), the shift register unit includes an output terminal for outputting the scan signals, the scan driving circuit further includes a multi-stage signal generating unit, with an n-th stage signal generating unit is connected respectively to an output terminal of an n-th stage shift register unit and an output terminal of an (n+j)-th stage shift register unit, the n-th stage signal generating unit is configured to convert an outputted first level into a second level under triggering of a scan signal outputted by the n-th stage shift register unit, and convert an outputted second level into a first level under triggering of a scan signal outputted by the (n+j)-th stage shift register unit; the n and j both are positive integers.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: July 18, 2017
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Tuo Sun
  • Publication number: 20170200777
    Abstract: The present invention belongs to the field of display technology, and particularly relates to an array substrate, a display panel and a display device. The array substrate comprises a light-emitting unit, a driving unit for driving the light-emitting unit, and a driving signal unit for providing a driving signal to the driving unit, the driving unit being provided in a central area of the array substrate, the driving signal unit being provided on at least one side of a marginal area surrounding the central area, wherein the light-emitting unit covers the driving unit and extends into the at least one side of the marginal area on which the driving signal unit is provided. The array substrate can have not only enlarged display area but also decreased bezel width, and also have improved aperture ratio of a pixel.
    Type: Application
    Filed: April 14, 2016
    Publication date: July 13, 2017
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Guang LI, Xinshe YIN, Tuo SUN
  • Patent number: 9704424
    Abstract: The disclosure relates to a field of display technology and discloses an array substrate and a display device, which improves quality of a displaying picture of a display device. The array substrate includes a plurality of pixel units arranged in an array, sub-pixels of each pixel unit are arranged in an ACBC-type array or a Delta-type array. The array substrate further includes a set of data lines configured to output data signals to the sub-pixels of the plurality of pixel units, the set of data lines each drives the sub-pixels of the same color. Compared with the prior art, the technical solution of the present disclosure avoids displaying errors caused by different corresponding relationship curves between the data output signals and the pixel grey levels for different colors, thereby improving quality of a displaying picture of a display device including the array substrate.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: July 11, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo Sun