Patents by Inventor Dong Qian

Dong 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: 10276254
    Abstract: The present disclosure describes a shift register unit, an organic light-emitting display panel and a driving method. The shift register unit comprises a node potential controller and an output unit. The node potential controller comprises a first output end and a second output end. The output unit is configured to output, based on a first control signal from the first output end and a second control signal from the second output end, a first level signal or a second level signal. According to the solutions provided by the application, the potential of each node in the shift register unit is stable and controllable, and contributed to the avoidance of output logic execution problem in the shift register unit caused by unstable node potential when each control signal level of the shift register unit jumps.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: April 30, 2019
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Dong Qian, Gang Liu
  • Patent number: 10269300
    Abstract: An organic light-emitting display panel, driving method thereof, and an organic light-emitting display device are provided. The organic light-emitting display panel comprises a plurality of pixel driving circuits including a first, a second and a third pixel driving circuits along a row direction. The first and the second pixel driving circuits share a same reference voltage signal line. The second and the third pixel driving circuits share a same data voltage signal line. A plurality of reference voltage signal lines is connected to the plurality of pixel driving circuits. A plurality of data voltage signal lines is connected to the plurality of pixel driving circuits. A first control signal line is connected to the first and third pixel driving circuits. A second control signal line is connected to the second pixel driving circuit. A light-emitting control signal line is connected to the first, second, and third pixel driving circuits.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: April 23, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Dong Qian, Gang Liu
  • Publication number: 20190096540
    Abstract: Superelastic conductive fibers, and more particularly, sheath-core fibers for superelastic electronics, sensors, and muscles, and a process for fabricating of highly stretchable sheath-core conducting fibers by wrapping fiber-direction-oriented conductive nanofiber sheets on stretched rubber fiber cores.
    Type: Application
    Filed: July 15, 2016
    Publication date: March 28, 2019
    Applicant: Board of Regents, The University of Texas System
    Inventors: Ray H. Baughman, Zunfeng Liu, Shaoli Fang, Francisco A. Moura, Nan Jiang, Dong Qian, Hongbing Lu, Xavier N. Lepro, Carter S. Haines
  • Patent number: 10235932
    Abstract: An inverting circuit is disclosed. The inverting circuit includes a pull-up unit including first, second, and third terminals. The first terminal receives a first control signal, and the third terminal is connected to a signal output terminal and outputs a first level signal. The inverting circuit also includes a pull-down unit including fourth, fifth, and sixth terminals. The fourth terminal is connected to the second terminal of the pull-up unit, and the fifth terminal receives a second control signal. In addition, the sixth terminal is connected to the signal output terminal and outputs a second level signal. The inverting circuit also includes a first capacitor, connected to the second terminal of the pull-up unit and the fourth terminal of the pull-down unit, and to the third terminal of the pull-up unit and the sixth terminal of the pull-down unit.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: March 19, 2019
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Tong Wu, Dong Qian
  • Patent number: 10224385
    Abstract: A display panel and an electronic device are provided. The display panel comprises a base substrate including a display region and a border region surrounding the display region, wherein the border region includes an encapsulation region; a plurality of display units disposed in the display region; an encapsulation member disposed in the border region; a plurality of wires disposed in the border region; and a cover substrate arranged opposite to the base substrate. The display units and the wires are disposed between the base substrate and the cover substrate, the encapsulation member is disposed in the encapsulation region and configured to bond and fix the base substrate to the cover substrate, and at least one of the wires is disposed in the encapsulation region.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: March 5, 2019
    Assignee: Shanghai Tianma AM-OLED Co., Ltd
    Inventors: Chunyang Li, Dong Qian
  • Publication number: 20180364847
    Abstract: Provided is a touch panel. The touch panel includes a first substrate and a second substrate disposed opposite to each other; a plurality of stacks separated by a pixel definition layer and each including an anode block and an organic light emitting block; a plurality of cathodes; a plurality of strip-shaped first touch electrodes arranged in a first direction and each extending in a second direction; and a plurality of strip-shaped second touch electrodes arranged in the second direction and each extending in the first direction. The first touch electrodes may arranged on the same layer with the anodes or arranged on the same layer with the cathodes, and are directly on the pixel definition layer. A projection of the strip-shaped first touch electrode is located between projections of two adjacent cathodes.
    Type: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Inventors: Zhiyong Xiong, Qijun Yao, Dong Qian
  • Publication number: 20180357956
    Abstract: A method for driving an array substrate, the array substrate includes M rows of pixel units, each of the pixel units includes a shared driving circuit and N light-emitting components connected to the shared driving circuit, the method includes: in a period of scanning a frame of image, providing first to Nth scanning stages uniformly distributed to each row of pixel units, each of the scanning stages has a duration T, and any one of N scanning stages of an ith row of pixel units does not overlap with any one of N scanning stages of a jth row of pixel units; i, j and M are all positive integers, and 1i, jM, i?j; and N is a positive integer not less than 2; and driving, by the shared driving circuit, the N light-emitting components to emit light.
    Type: Application
    Filed: August 14, 2018
    Publication date: December 13, 2018
    Inventors: Qi Li, Dong Qian, Duzen Peng
  • Publication number: 20180357959
    Abstract: The present application discloses an organic light emitting display panel, a driving method thereof and an organic light emitting display apparatus. The organic light emitting display panel comprises: a pixel array, comprising pixel regions in M rows and N columns; a plurality of pixel driving circuits each comprising a light emitting diode and a driving transistor for driving the light emitting diode, the light emitting diode being arranged in one of the pixel regions; and a plurality of pixel compensation circuits, each configured to provide a compensated light emitting control signal for a gate of the driving transistor to correct brightness of the light emitting diode in one of the plurality of pixel driving circuits. According to the present disclosure, the final light emitting current may be unrelated to the threshold voltage of the driving transistor, the carrier mobility and aging of the light emitting diode.
    Type: Application
    Filed: August 21, 2018
    Publication date: December 13, 2018
    Inventors: Dongxu XIANG, Yue LI, Renyuan ZHU, Tong WU, Dong QIAN, Zeyuan CHEN, Gang LIU
  • Patent number: 10152923
    Abstract: A display panel includes: pixel units, where each pixel unit includes sub-pixels in a row direction; gate lines and data lines crossed to define sub-pixel regions, each sub-pixel region includes one sub-pixel and an organic light emitting diode (OLED) driving circuit, OLED driving circuits in a same column are connected with one data line, OLED driving circuits in a same row are connected with one gate line; and at least two sub-pixel regions adjacent in a column direction being a first region and a second region respectively, and in the first and second regions in a same group, the sub-pixel in the first region is connected with the OLED driving circuit in the second region, and the sub-pixel in the second region is connected with the OLED driving circuit in the first region.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: December 11, 2018
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yue Li, Dong Qian, Dongxu Xiang, Renyuan Zhu, Gang Liu
  • Patent number: 10147353
    Abstract: An organic light emitting display panel and a pixel compensation method are provided. The organic light emitting display panel includes: a pixel array including pixel regions divided into M rows and N columns; a plurality of pixel driving circuits, each includes a light emitting diode and a driving transistor for driving the light emitting diode, and the light emitting diodes are located in the pixel regions; and a plurality of pixel compensation circuits configured to sample an anode voltage of the light emitting diode are in at least one of the pixel driving circuits. A light emitting current flows through the light emitting diode, and generates a compensation signal based on the anode voltage and the light emitting current.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: December 4, 2018
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Dong Qian, Zeyuan Chen, Gang Liu
  • Patent number: 10115744
    Abstract: The present disclosure provides an array substrate, including a substrate, a first functional layer configured on one side of the substrate, a first insulating layer configured on the first functional layer facing away from the substrate, a second functional layer configured on the first insulating layer facing away from the substrate, a second insulating layer configured on the second functional layer facing away from the substrate, a third functional layer configured on the second insulating layer facing away from the substrate, a third insulating layer configured on the third functional layer facing away from the substrate, a fourth functional layer configured on the third insulating layer facing away from the substrate, and a plurality of through-holes configured to electrically connect different functional layers, wherein the depth of any through-holes does not exceed the thickness of two adjacent insulating layers.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: October 30, 2018
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-electronics Co., Ltd.
    Inventors: Qi Li, Dong Qian, Duzen Peng
  • Patent number: 10109684
    Abstract: A display device is disclosed. The display device comprises an array structure comprising a plurality of primary pixel element structures arranged in a matrix. A primary pixel element structure comprises a plurality of pixel element structures arranged in a second direction. A pixel element structure comprises first, second, and third sub-pixel elements, each comprising a light-emitting region and a light-transmitting region disposed at one side of the light-emitting region and adjacent to the light-emitting region in a first direction, and the first direction being perpendicular to the second direction. When the display device is turned off, a scene on an opposite side of the display device is observed by an observer on either side of the display device, and when the display device is turned on, a scene on the opposite side of the display device is observed by the observer on a side where no light is emitted.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: October 23, 2018
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Boyan LV, Liyuan Luo, Dong Qian
  • Patent number: 10101833
    Abstract: The present disclosure provides a display panel and a manufacturing method therefor, and a display device, and the display panel includes a first substrate and a second substrate disposed opposite to the first substrate; an organic light emitting layer disposed between the first substrate and the second substrate, wherein the organic light emitting layer includes a planar cathode layer; a planar cathode protection layer disposed on the cathode layer; and a first touch layer disposed on the cathode protection layer. With the technical solutions according to the present disclosure, the first touch layer is formed by evaporation processes just like the organic light emitting layer, so that the manufacture steps of the display panel are reduced as compared to forming the first touch layer by a photo etching process. Further, if the evaporation mask instead of the photo etching masks is used during the manufacture, the production cost is reduced.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: October 16, 2018
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Zhiyong Xiong, Yongcai Shen, Dong Qian
  • Patent number: 10102799
    Abstract: The description provides an organic light emitting display panel and a driving method thereof, characterized in that the organic light emitting display panel is divided into a display area and a non-display area, and the non-display area surrounds the display area; the display area includes a plurality of rows of pixel units, and each row of pixel units include a plurality of pixel circuits; a plurality of driving circuit units located in the non-display area; and any one of the driving circuit units is electrically connected to more than two rows of the pixel units simultaneously. Using the organic light emitting display panel and the driving method thereof provided by at least one embodiment of the invention can be more advantageous to narrow borders on the basis of ensuring resolution and avoiding abnormal display of images.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: October 16, 2018
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-electronics Co., Ltd.
    Inventors: Tong Wu, Wenhui Zou, Dong Qian, Yue Li, Gang Liu, Dongxu Xiang, Renyuan Zhu
  • Patent number: 10088724
    Abstract: Display panel and displaying device are provided. Except for a first data line electrode layer on a first substrate, a display panel further includes a first insulating layer on the first data line electrode layer and a second data line electrode layer on the first insulating layer. The first data line electrode layer includes a plurality of first data lines, and the second data line electrode layer includes a plurality of second data lines respectively corresponding to the first data lines. A plurality of vias are disposed in the first insulating layer and expose a portion of the first data lines. The second data lines are electrically connected with the first data lines through the vias, which may decrease resistance of each data line, reduce the attenuation of a driving signal transmitted in the data lines far away from a driving circuit, and improve displaying effect of the display panel.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: October 2, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Minfu Zhang, Dong Qian, Yuan Li
  • Patent number: 10083659
    Abstract: The present application discloses an organic light emitting display panel, a driving method thereof and an organic light emitting display apparatus. The organic light emitting display panel comprises: a pixel array, comprising pixel regions in M rows and N columns; a plurality of pixel driving circuits each comprising a light emitting diode and a driving transistor for driving the light emitting diode, the light emitting diode being arranged in one of the pixel regions; and a plurality of pixel compensation circuits, each configured to provide a compensated light emitting control signal for a gate of the driving transistor to correct brightness of the light emitting diode in one of the plurality of pixel driving circuits. According to the present disclosure, the final light emitting current may be unrelated to the threshold voltage of the driving transistor, the carrier mobility and aging of the light emitting diode.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: September 25, 2018
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Renyuan Zhu, Tong Wu, Dong Qian, Zeyuan Chen, Gang Liu
  • Patent number: 10078979
    Abstract: A pixel circuit, a driving method and a display panel are provided by the disclosure. The pixel circuit includes: a sharing unit and N light-emitting control units. An input terminal of each of the light-emitting control units is electrically connected to an output terminal of the sharing unit; an output terminal of each of the light-emitting control units is electrically connected to a light-emitting element, a control terminal of each of the light-emitting control units is electrically connected a control signal line. The sharing unit is configured to drive, through each of the light-emitting control units. The light-emitting element electrically connected to the light-emitting control unit. N is positive integer greater than or equal to 2. The pixel circuit, the driving method and the display panel of the disclosure may solve the problem of the non-uniform display due to the drift of the threshold voltage of the driving transistor.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: September 18, 2018
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Qi Li, Dong Qian, Duzen Peng
  • Patent number: 10068520
    Abstract: The present disclosure discloses an organic light-emitting display panel and a driving method thereof, and an organic light-emitting display device. The organic light-emitting display panel comprises a pixel array, a plurality of pixel driving circuits, a plurality of reference voltage signal lines and a plurality of data voltage signal lines. The plurality of pixel driving circuits include a first, second and third pixel driving circuits, the first pixel driving circuit and the second pixel driving circuit are adjacent to each other in a row direction of the pixel array, and the second pixel driving circuit and the third pixel driving circuit are adjacent to each other in the row direction of the pixel array. The first pixel driving circuit and the second pixel driving circuit share one reference voltage signal line, and the second pixel driving circuit and the third pixel driving circuit share one data voltage signal line.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: September 4, 2018
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Dongxu Xiang, Yue Li, Dong Qian, Gang Liu
  • Patent number: 10056038
    Abstract: The present disclosure discloses an organic light emitting display panel, a driving method thereof, and an organic light emitting display apparatus. The organic light emitting display panel includes a plurality of pixel driving circuits, comprising: a driving module including a driving transistor and a first capacitor; an initialization module for initializing potentials of a gate and a first electrode of the driving transistor at least under the control of a first scanning signal terminal; a data writing module for transmitting a signal of a data signal terminal to a second electrode plate of a first capacitor under the control of the first or a second scanning signal terminal; a light emitting control module for transmitting a potential signal of the first electrode of the driving transistor to the second electrode plate of the first capacitor and driving an organic light emitting diode to emit light.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: August 21, 2018
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Tong Wu, Zeyuan Chen, Gang Liu, Dong Qian
  • Patent number: 10032412
    Abstract: An organic light emitting diode pixel driving circuit includes a pixel capacitor for storing a received voltage and coupling a change valve of the voltage at a first electrode thereof to a second electrode thereof; a first transistor for providing a reference voltage to the first electrode of the pixel capacitor under the control of a first light emitting signal; a third transistor for transmitting a data voltage to second electrode of the pixel capacitor under the control of the first scanning signal; and a fourth transistor; thereby overcoming the uneven display of the entire image, which is caused by the drift of the threshold voltage of the driving transistor and the different driving current driving the different OLEDs to emit light when the different OLEDs receive the same image data signal, the different driving current is caused by the difference the high-level power supply voltages.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: July 24, 2018
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Minyu Zhu, Dong Qian