Patents by Inventor Tian DONG

Tian DONG 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: 20200251057
    Abstract: A signal control apparatus and method, a display control apparatus and method, and a display apparatus are provided. The display apparatus includes M rows by N columns of pixel driving circuits arranged in an array, the M pixel driving circuits of each column are grouped into at least a first group of pixel driving circuits and a second group of pixel driving circuits, M and N are integer and N is larger than 2. The first group of pixel driving circuits connect to a first data line to receive a data signal, and the second group of pixel driving circuits connect to a second data line to receive a data signal. The signal control apparatus includes a phase shifting circuit which provides a scanning signal to a pixel driving circuit; and a write control circuit which provides a data signal from a data signal terminal to a pixel driving circuit.
    Type: Application
    Filed: April 22, 2020
    Publication date: August 6, 2020
    Inventors: Kuo Sun, Tian Dong, Guoqiang Ma
  • Patent number: 10714012
    Abstract: A pixel circuit includes: a reset sub-circuit, configured to write an input voltage of a reset terminal into a first control point and write an input voltage of a reference power source terminal into a second control point; a drive control sub-circuit, configured to write an input voltage of a data terminal into the first control point; a power supply sub-circuit, configured to supply a voltage of a first power source terminal to the second control point and enable a third control point to communicate with a fourth control point; a storage sub-circuit, configured to store voltages of the first and second control points; a drive sub-circuit, configured to discharge electricity under the control of the voltages of the first and second control points; and a light-emitting element, configured to emit light under the control of a voltage of the fourth control point.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: July 14, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian Dong
  • Publication number: 20200184893
    Abstract: A pixel circuit, a drive method, an electroluminescent light emitting display panel, and a display apparatus, the pixel circuit comprising: a light emitting device; a drive transistor is configured to generate drive current during light emitting phase to drive the light emitting device to emit light; a gate electrode of drive transistor is coupled to a capacitance circuit and a data write circuit, a first electrode of drive transistor is coupled to a reset circuit, and a second electrode of drive transistor is coupled to the reset circuit and a first electrode of light emitting device; the capacitance circuit is configured to store voltage of gate electrode of drive transistor; the data write circuit is configured to provide data signal to the gate electrode of drive transistor during data write phase; the reset circuit is configured to reset the first electrode, the second electrode of drive transistor during reset phase.
    Type: Application
    Filed: November 27, 2018
    Publication date: June 11, 2020
    Inventor: Tian DONG
  • Patent number: 10672343
    Abstract: The present disclosure discloses a signal control apparatus and method, a display control apparatus and method, and a display apparatus. The display apparatus comprises M rows*N columns of pixel driving circuits arranged in an array, wherein the M pixel driving circuits of each column of pixel driving circuits are divided into k groups.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: June 2, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Kuo Sun, Tian Dong, Guoqiang Ma
  • Publication number: 20200113051
    Abstract: A power line structure, an array substrate including the power line structure and a display panel are provided. The power line structure (100) includes a conductive plate (110), the conductive plate (110) includes a through hole disposing area (103), the through hole disposing area (103) is provided with a plurality of via holes (101); in at least one sub-area of the through hole disposing area (103), a distribution density of the via holes (101) increases along a direction of decreasing a current density in the conductive plate (110).
    Type: Application
    Filed: December 5, 2019
    Publication date: April 9, 2020
    Inventors: Yunfei LI, Tian DONG
  • Patent number: 10617004
    Abstract: A power line structure, an array substrate including the power line structure and a display panel are provided. The power line structure includes a conductive plate, the conductive plate includes a through hole disposing area, the through hole disposing area is provided with a plurality of via holes; in at least one sub-area of the through hole disposing area, a distribution density of the via holes increases along a direction of decreasing a current density in the conductive plate.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: April 7, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunfei Li, Tian Dong
  • Patent number: 10608204
    Abstract: Provided are an encapsulation structure-containing display device, a method for producing the same, an array substrate and a display apparatus.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: March 31, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian Dong
  • Publication number: 20200058250
    Abstract: The present disclosure provides a driving method, a display panel and a control method thereof. The driving circuit is configured to drive pixel circuits arranged in an array. The driving circuit includes a plurality of driving modules and a plurality of data writing modules. Each of the plurality of driving modules is connected to two adjacent rows of the pixel circuits through a controlling line and is configured to drive the two adjacent rows of the pixel circuits simultaneously. Each of the plurality of data writing modules is connected to a data line and one column of the pixel circuits, respectively, and is configured to write display data of the data line into a pixel circuit of odd row and a pixel circuit of even row in the one column of pixel circuits in a time sharing manner in response to the driving modules driving the pixel circuits.
    Type: Application
    Filed: April 25, 2019
    Publication date: February 20, 2020
    Inventors: Tian Dong, Shiming Shi
  • Publication number: 20200037433
    Abstract: A foldable display device is provided. The foldable display device includes a flexible display panel including a first display region, a second display region and a bending region and having a first state and a second state; and a first panel supporting frame and a second panel supporting frame configured to support the first display region and the second display region, respectively. In the first state, the first and the second panel supporting frames overlap with each other; and in the second state, the first and the second panel supporting frames are in a same plane and form an accommodation space in which the bending region is accommodated, and a first border of the first display region and a fifth border of the second display region abut against and are in contact with each other to form a structure of flat panel display.
    Type: Application
    Filed: June 28, 2017
    Publication date: January 30, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian DONG
  • Patent number: 10546535
    Abstract: There are provided a pixel driving circuit and a driving method thereof, and a display apparatus. The pixel driving circuit includes a reset unit 1 configured to write a first power supply voltage of a first power supply voltage terminal into a first terminal of a capacitor; a data writing unit 2 configured to write a data signal of a data signal terminal 7 into a second terminal of the capacitor; a compensation unit 3 configured to provide a reference voltage of a reference voltage signal terminal 6 to a first node S, and write a voltage of the first node S into the second terminal of the capacitor; a light emitting control unit 4 configured to provide light emitting current to a light emitting device 5 for making it emit light, and to reduce the voltage of the first node S.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: January 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian Dong
  • Publication number: 20190377443
    Abstract: The present disclosure provides a flexible touch panel and a display device. The flexible touch panel includes a flexible substrate baseplate and a flexible touch electrode pattern disposed on the flexible substrate baseplate, and a bendable area arranged on the flexible touch panel where the bendable area has at least one relatively fixed position, and at least part of the flexible touch electrode pattern is in the bendable area and has a cutoff region.
    Type: Application
    Filed: August 4, 2017
    Publication date: December 12, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tian DONG, Shiming SHI
  • Patent number: 10388218
    Abstract: A pixel circuit, a display panel and a driving method are described. The pixel circuit includes: a light-emitting circuit configured for emitting light during a working period; a driving circuit configured for driving the light-emitting circuit; a compensating circuit configured for compensating the driving circuit; a data writing circuit configured for writing data to the driving circuit; a reset circuit configured for resetting the compensating circuit and the driving circuit; a first light-emitting control circuit configured for controlling ON and OFF of the light-emitting circuit.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: August 20, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Tian Dong
  • Patent number: 10381591
    Abstract: The present disclosure provides an OLED device and a method for manufacturing the same, an array substrate and a display device. The OLED device includes an anode and a cathode and a light emitting functional layer interposed between the anode and the cathode, wherein a photoinduced electron film layer is formed on a side of the cathode away from the light emitting functional layer, the photoinduced electron film layer is able to generate photoinduced electrons, and the photoinduced electrons are transferable from the photoinduced electron film layer to the cathode.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: August 13, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian Dong
  • Publication number: 20190244569
    Abstract: The present disclosure discloses a signal control apparatus and method, a display control apparatus and method, and a display apparatus. The display apparatus comprises M rows*N columns of pixel driving circuits arranged in an array, wherein the M pixel driving circuits of each column of pixel driving circuits are divided into k groups.
    Type: Application
    Filed: September 6, 2018
    Publication date: August 8, 2019
    Inventors: Kuo Sun, Tian Dong, Guoqiang Ma
  • Publication number: 20190189057
    Abstract: A pixel circuit includes: a reset sub-circuit, configured to write an input voltage of a reset terminal into a first control point and write an input voltage of a reference power source terminal into a second control point; a drive control sub-circuit, configured to write an input voltage of a data terminal into the first control point; a power supply sub-circuit, configured to supply a voltage of a first power source terminal to the second control point and enable a third control point to communicate with a fourth control point; a storage sub-circuit, configured to store voltages of the first and second control points; a drive sub-circuit, configured to discharge electricity under the control of the voltages of the first and second control points; and a light-emitting element, configured to emit light under the control of a voltage of the fourth control point.
    Type: Application
    Filed: October 26, 2018
    Publication date: June 20, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian DONG
  • Patent number: 10319264
    Abstract: A flexible display device having an auxiliary apparatus for unfolding and folding a flexible display panel. The auxiliary apparatus for unfolding and folding a flexible display panel includes a support plate structure configured to be fixedly attached to the flexible display panel and having a first state and a second state, wherein the support plate structure is configured to assist in the first state the flexible display panel to be in a folded state, and assist in the second state the flexible display panel to be in an unfolded state, and a locking mechanism configured to lock the support plate structure in the first state.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: June 11, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian Dong
  • Publication number: 20190156750
    Abstract: There are provided a pixel driving circuit and a driving method thereof, and a display apparatus. The pixel driving circuit includes a reset unit 1 configured to write a first power supply voltage of a first power supply voltage terminal into a first terminal of a capacitor; a data writing unit 2 configured to write a data signal of a data signal terminal 7 into a second terminal of the capacitor; a compensation unit 3 configured to provide a reference voltage of a reference voltage signal terminal 6 to a first node S, and write a voltage of the first node S into the second terminal of the capacitor; a light emitting control unit 4 configured to provide light emitting current to a light emitting device 5 for making it emit light, and to reduce the voltage of the first node S.
    Type: Application
    Filed: September 27, 2017
    Publication date: May 23, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian DONG
  • Publication number: 20190067640
    Abstract: Provided are an encapsulation structure-containing display device, a method for producing the same, an array substrate and a display apparatus.
    Type: Application
    Filed: May 9, 2018
    Publication date: February 28, 2019
    Inventor: Tian Dong
  • Publication number: 20190005877
    Abstract: A pixel circuit, a display panel and a driving method are described. The pixel circuit includes: a light-emitting circuit configured for emitting light during a working period; a driving circuit configured for driving the light-emitting circuit; a compensating circuit configured for compensating the driving circuit; a data writing circuit configured for writing data to the driving circuit; a reset circuit configured for resetting the compensating circuit and the driving circuit; a first light-emitting control circuit configured for controlling ON and OFF of the light-emitting circuit.
    Type: Application
    Filed: February 28, 2017
    Publication date: January 3, 2019
    Applicant: BOE Technology Group Co., Ltd.
    Inventor: Tian Dong
  • Publication number: 20180219173
    Abstract: The present disclosure provides an OLED device and a method for manufacturing the same, an array substrate and a display device. The OLED device includes an anode and a cathode and a light emitting functional layer interposed between the anode and the cathode, wherein a photoinduced electron film layer is formed on a side of the cathode away from the light emitting functional layer, the photoinduced electron film layer is able to generate photoinduced electrons, and the photoinduced electrons are transferable from the photoinduced electron film layer to the cathode.
    Type: Application
    Filed: February 22, 2017
    Publication date: August 2, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian DONG