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).

  • 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
  • Publication number: 20170194222
    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: Application
    Filed: July 13, 2016
    Publication date: July 6, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying LIU, Hongwei TIAN, Tuo SUN
  • Publication number: 20170178572
    Abstract: The present disclosure discloses a display driving method and device. The method includes comparing a preset voltage difference with a voltage difference between a first data voltage and a second data voltage, where the first data voltage is a data voltage corresponding to a current row of pixel circuits, and the second data voltage is a data voltage corresponding to a next row of pixel circuits, and based on a comparison result, controlling whether to input a reference voltage to at least one pixel circuit in the next row of pixel circuits after inputting the first data voltage to the current row of pixel circuits and before inputting the second data voltage to the next row of pixel circuits.
    Type: Application
    Filed: February 24, 2016
    Publication date: June 22, 2017
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Zhanjie MA, Tuo SUN
  • Publication number: 20170177139
    Abstract: An in-cell touch screen panel, a driving method thereof and a display device. A plurality of sub-pixels are grouped into sub-pixel groups, each of which includes at least two sub-pixels, and cathode layers of different sub-pixel groups are independent of one another. The cathode layers are reused as self-capacitance electrodes, and a driving chip determines a touch position by detecting a change in capacitance of the cathode layer, thereby achieving touch control functionality. The driving chip outputs, in a fourth phase, signals to respective cathode layers and signal terminals of each sub-pixel circuit, each of the signals is a superposition of the signal output in a third phase with a touch scanning signal.
    Type: Application
    Filed: October 20, 2015
    Publication date: June 22, 2017
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Haiseng Wang, Xiaochuan Chen, Hongjuan Liu, Tuo Sun, Lifei Ma, Wen Sun, Rui Xu, Lei Wang
  • Publication number: 20170154576
    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: Application
    Filed: March 30, 2015
    Publication date: June 1, 2017
    Inventor: Tuo Sun
  • Publication number: 20170154602
    Abstract: The present disclosure provides a shift register unit, its driving method, a gate driver circuit and a display device. The shift register unit includes a gate driving signal output end, an output module configured to control the gate driving signal output end to output an invalid signal at an input stage and output a valid signal at an output stage, and a control module configured to turn off the output module at a reset stage.
    Type: Application
    Filed: October 29, 2015
    Publication date: June 1, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo SUN
  • Publication number: 20170148380
    Abstract: The present disclosure relates to a detection circuit, a pixel electrical signal collection circuit, a display panel and a display apparatus, to solve the problem that the current technical solution of detecting whether a flexible display panel is deformed is relatively complex. The detection circuit of an AMOLED based flexible display panel comprises: a plurality of pixel electrical signal collection circuits, each configured to input an electrical signal of a pixel electrode of an organic light emitting diode thereof into an IC through a data collection line; and the IC configured to determine that the flexible display panel is deformed after the electrical signal varies.
    Type: Application
    Filed: October 14, 2015
    Publication date: May 25, 2017
    Applicant: BOE Technology Group Co., Ltd.
    Inventor: Tuo Sun
  • Publication number: 20170104040
    Abstract: The present disclosure provides a pixel structure, a display panel, and a display apparatus. The pixel structure includes a plurality of pixel cells having a first pixel cell and a first adjacent pixel cell. Each pixel cell includes a first pixel; and two second pixels and two third pixels, surrounding the first pixel. Each of the two second pixels and the two third pixels is arranged separately in a direction along a side of a virtual rectangular area, the first pixel corresponding to one portion of the virtual rectangular area. Each of the two second pixels and the two third pixels has a first portion arranged in the first pixel cell covered by a first virtual rectangular area, and a second portion arranged in the first adjacent pixel cell covered by a second virtual rectangular area.
    Type: Application
    Filed: December 10, 2015
    Publication date: April 13, 2017
    Inventors: LUJIANG HUANGFU, YINAN LIANG, TUO SUN, ZHANJIE MA
  • Publication number: 20170040390
    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: Application
    Filed: July 18, 2014
    Publication date: February 9, 2017
    Inventors: Tuo Sun, Ying Liu
  • Publication number: 20170039954
    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: Application
    Filed: August 20, 2015
    Publication date: February 9, 2017
    Inventors: Tuo Sun, Zhanjie Ma
  • Patent number: 9553196
    Abstract: The present invention discloses a multi-gate thin film transistor for realizing a multi-gate occupying a small area, pixels provided with the multi-gate TFTs are high in aperture ratio, and a display device provided with the multi-gate TFTs is high in resolution. The multi-gate thin film transistor comprises: at least three gate electrodes; a plurality of active layers corresponding to each of the gate electrodes, respectively, the active layers being formed into an integrated structure; a source electrode connected with one of the plurality of active layers; and a plurality of drain electrodes connected with each of the remainder of the plurality of active layers, respectively. The present invention further discloses an array substrate comprising the multi-gate thin film transistor, and a display device.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: January 24, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo Sun
  • Patent number: 9530355
    Abstract: Provided are a shift register and a driving method thereof, a shift scanning circuit, and a display apparatus. The shift register comprises an input switch unit, an inverting unit, an output switch unit, and a first node voltage maintaining unit. The input switch unit has an output terminal (O) connected to a first node (N1). The first node voltage maintaining unit has a voltage stabilizing terminal connected to the first node (N1), and is adapted to record a level at the first node (N1) when the input switch unit is turned on, and to maintain the recorded level at an input terminal (I) of the inverting unit when the input switch unit is turned off. The inverting unit has an output terminal (O) connected to a second node (N2). The output switch unit has a control terminal (CON) connected to the second node (N2), and is turned on according to a state of a level at the second node.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: December 27, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo Sun
  • Publication number: 20160372042
    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: Application
    Filed: May 19, 2015
    Publication date: December 22, 2016
    Inventors: Zhanjie MA, Tuo SUN
  • Publication number: 20160372040
    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: Application
    Filed: February 9, 2015
    Publication date: December 22, 2016
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Lujiang Huangfu, Tuo Sun, Xinshe Yin
  • Publication number: 20160372041
    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: Application
    Filed: April 16, 2015
    Publication date: December 22, 2016
    Applicant: BOE Technology Group Co., Ltd.
    Inventor: Tuo Sun
  • Publication number: 20160358982
    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: Application
    Filed: August 7, 2014
    Publication date: December 8, 2016
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tuo SUN, Ying LIU
  • Patent number: 9508286
    Abstract: The present invention provides a pixel circuit, a display substrate and a display device. The pixel circuit comprises a control section, a light emitting diode, a high-level input terminal, a low-level input terminal and a reference terminal, in which the control section comprises a driving thin film transistor, at least one capacitors and a plurality of switching thin film transistors. The reference terminal is connected with the low-level input terminal so as to discharge a capacitor which is connected with a gate of the driving thin film transistor in a pixel resetting stage of the pixel circuit.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: November 29, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo Sun
  • Patent number: 9501973
    Abstract: A pixel driving circuit, array substrate and display apparatus, comprise: data line for providing data voltage; gate line for providing scanning voltage; first power supply line for providing first power supply voltage; second power supply line for providing second power supply voltage; light emitting device connected to second power supply line; driving transistor connected to first power supply line; storage capacitor having first terminal connected to gate of driving transistor and configured to transfer information to gate of driving transistor; resetting unit configured to reset voltage across storage capacitor as predetermined signal voltage; data writing unit configured to write information into second terminal of storage capacitor; compensating unit configured to write information into first terminal of storage capacitor; and light emitting control unit configured to write first power supply voltage into second terminal of storage capacitor and control driving transistor to drive light emitting device
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: November 22, 2016
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Liang Sun, Ying Wang, Tuo Sun, Zhanjie Ma, Xinshe Yin, Lintao Zhang, Lujiang Huangfu