Patents by Inventor Yana GAO

Yana GAO 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: 10714053
    Abstract: The present disclosure provides a driving circuit, a method for controlling light emission, and a display device. The driving circuit includes one or more light emission shift registers, each of which includes a first processing module configured to control a signal at a first node based on signals at the input signal terminal, the first clock signal terminal and the second clock signal terminal; a second processing module including first and second transistors, wherein the first transistor is a dual-gate transistor, and the second transistor has a first terminal electrically connected to the pulse signal terminal and a second terminal electrically connected to the second node; and an output module configured to control a signal at an output signal terminal based on the signals at the first level signal terminal, the second level signal terminal, the first node and the second node.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: July 14, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Dongxu Xiang, Yana Gao, Xingyao Zhou, Gaojun Huang, Yilin Xu, Zhonglan Cai, Juan Zhu
  • Patent number: 10706761
    Abstract: A control method for a display panel is provided, the display panel includes multiple gate lines, multiple data lines arranged to intersect with the gate lines in an insulative manner, multiple sub-pixels arranged in an array and a demultiplexer. The N data lines for charging the sub-pixels with different colors are connected to one signal input terminal through the demultiplexer, N is an integer greater than 1. The control method includes charging the sub-pixels connected to the demultiplexer in a direct charging manner, and the sub-pixels with the same color have the same charging time period in a preset period.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: July 7, 2020
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yue Li, Renyuan Zhu, Dongxu Xiang, Yana Gao, Xingyao Zhou
  • Patent number: 10700147
    Abstract: An array substrate, an organic light emitting display panel and an organic light emitting display device are provided. The array substrate includes a base substrate and pixel units; a first electrode wire and a second electrode wire formed at a side of the base substrate, the first electrode wire being configured to provide a first supply voltage signal for the anode layer, the second electrode wire being configured to provide a second supply voltage signal for the cathode layer; a first metal wire and a second metal wire formed in the non-display region and surrounding the display region. The first metal wire is electrically connected to the first electrode wire, and the second metal wire is electrically connected to the second electrode wire.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: June 30, 2020
    Assignee: SHANGHAI TIANMAN AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Dongxu Xiang, Yana Gao
  • Patent number: 10700152
    Abstract: A display panel and a display device are provided. The display panel has a display region and a peripheral region surrounding the display region. The display panel includes: a scan driving circuit arranged in the peripheral region; a low-level voltage signal line arranged in the peripheral region and electrically connected to the scan driving circuit; an auxiliary metal line arranged in the peripheral region and electrically connected to the low-level voltage signal line. The peripheral region includes a first and second peripheral region located on opposite sides of the display region in a first direction, and a third and fourth peripheral region located on opposite sides of the display region in a second direction, the first direction being perpendicular to the second direction. The auxiliary metal line at least extends in the first, third and second peripheral region to form a structure partially surrounding the display region.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: June 30, 2020
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xinzhao Liu, Kaihong Huang, Min Chen, Jiayao Yang, Lin Cheng, Yana Gao
  • Patent number: 10692436
    Abstract: The present disclosure provides a display panel and a display device. The display panel has a display area and an information notification area. The display panel includes: a first organic light-emitting device arranged in the display area; a pixel driving circuit arranged in the display area, and the pixel driving circuit is configured to receive a first power voltage; and at least one second organic light-emitting device arranged in the information notification area. Each of the at least one second organic light-emitting device is electrically connected to a control circuit, and the control circuit is configured to receive a second power voltage. The second power voltage is less than the first power voltage.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: June 23, 2020
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yue Li, Xingyao Zhou, Yana Gao
  • Patent number: 10685597
    Abstract: Provided is a shift register, including a first node control module for controlling a level state of a first node based on an input signal, a first clock signal and a second clock signal. The shift register includes a second node control module for controlling a level state of a second node based on the input signal, the first clock signal, the second clock signal and the level state of the first node. In a phase when the input signal is at high level and the first clock signal is at low level, a third node for controlling a level at the second node is provided with high level, such that in a phase when the input signal is at high level and the second clock signal is at low level, the level at the third node is pulled down so as to provide low level at the second node.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: June 16, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yue Li, Renyuan Zhu, Dongxu Xiang, Yana Gao, Xingyao Zhou, Gaojun Huang, Yilin Xu, Zhonglan Cai, Juan Zhu
  • Patent number: 10672340
    Abstract: The present disclosure discloses an OLED display panel, a method for driving the same and a display device. A high-potential voltage and a low-potential voltage are supplied to each shift register unit through a power supply, respectively. A voltage difference between a high-potential voltage and a low-potential voltage supplied to a first shift register unit by the power supply is a first voltage difference, and a voltage difference between a high-potential voltage and a low-potential voltage supplied to a second shift register unit by the power supply is a second voltage difference. The first voltage difference differs from the second voltage difference.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: June 2, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yue Li, Dongxu Xiang, Renyuan Zhu, Yana Gao, Xingyao Zhou
  • Patent number: 10672334
    Abstract: In an organic light-emitting display panel, a display area and a peripheral area surrounding the display area are provided on the base substrate, and the display area includes a display sub-area and a fingerprint recognition sub-area. A plurality of pixel driving circuits and a plurality of organic light-emitting components are arranged in the display area, and the organic light-emitting components are electrically connected to the pixel driving circuits in one-to-one correspondence. The first emission driving circuit is arranged in the peripheral area and electrically connected to pixel driving circuits arranged in the display sub-area. The second emission driving circuit is arranged in the peripheral area and electrically connected to pixel driving circuits arranged in the fingerprint recognition sub-area.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: June 2, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO. LTD.
    Inventors: Yue Li, Renyuan Zhu, Dongxu Xiang, Yana Gao, Xingyao Zhou
  • Patent number: 10657888
    Abstract: A driving method for a pixel driving circuit comprising a driving transistor and a light-emitting element is provided. The driving method comprises: in response to a first scanning signal on a first scanning signal line, performing initialization of the pixel driving circuit; in response to a second scanning signal on a second scanning signal line and the first scanning signal on the first scanning signal line, compensating threshold voltage deviation of the driving transistor and providing a data signal voltage; in response to a first light-emitting signal on a first light-emitting signal line and a second light-emitting signal on a second light-emitting signal line, generating, by the driving transistor, driving current corresponding to the data signal voltage; and in response to the driving current, emitting light by the light-emitting element. At least one clock signal period is provided after initialization is completed and before the threshold voltage deviation is compensated.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: May 19, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yana Gao, Xingyao Zhou, Yue Li, Chang-ho Tseng, Yuan Li
  • Patent number: 10657877
    Abstract: The present disclosure provides a driving circuit, a display device and a driving method. The driving circuit includes a shift register including: a first input unit for controlling a first node based on signals at first and second clock signal terminals, an input signal terminal, a second node and an output signal terminal; a second input unit for providing a signal at a first constant potential terminal to the second node under control of the first clock signal terminal and providing the signal at the input signal terminal or the first clock signal terminal to the second node under control of the first node; and an output unit for providing a signal at the second clock signal terminal to the output signal terminal under control of the first node and providing a signal at a second constant potential terminal to the output signal terminal under control of the second node.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: May 19, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Dongxu Xiang, Yana Gao, Xingyao Zhou, Gaojun Huang, Yilin Xu, Zhonglan Cai, Juan Zhu
  • Publication number: 20200144351
    Abstract: A display panel and a display device are provided. The display panel has a display region and a peripheral region surrounding the display region. The display panel includes: a scan driving circuit arranged in the peripheral region; a low-level voltage signal line arranged in the peripheral region and electrically connected to the scan driving circuit; an auxiliary metal line arranged in the peripheral region and electrically connected to the low-level voltage signal line. The peripheral region includes a first and second peripheral region located on opposite sides of the display region in a first direction, and a third and fourth peripheral region located on opposite sides of the display region in a second direction, the first direction being perpendicular to the second direction. The auxiliary metal line at least extends in the first, third and second peripheral region to form a structure partially surrounding the display region.
    Type: Application
    Filed: January 30, 2019
    Publication date: May 7, 2020
    Inventors: Xinzhao LIU, Kaihong HUANG, Min CHEN, Jiayao YANG, Lin CHENG, Yana GAO
  • Patent number: 10644090
    Abstract: The present disclosure provides an organic light-emitting display panel and an organic light-emitting display device. The display panel includes gate lines; data lines intersecting with and insulated from the gate lines; light-emitting control lines; pixel units; gate drive units electrically connected to the gate lines, and light-emitting control units electrically connected to the light-emitting control lines. The gate drive units and the light-emitting control units are arranged along an arc, which has a curvature radius of R, where R>0. Each of the light-emitting control units corresponds to n gate drive units of the gate drive units, where n is an integer larger than 1. Each of the light-emitting control units includes m straight portions, where m is an integer and 1<m?n. An included angle between two adjacent straight portions of the m straight portions is smaller than 180°.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: May 5, 2020
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Xinzhao Liu, Kaihong Huang, Yana Gao
  • Publication number: 20200126470
    Abstract: The present disclosure provides a display panel including: gate lines; data lines insulated from and intersecting with gate lines; pixel units; first and second clock signal lines; first and second power signal lines; gate driving units; and virtual driving units. Each gate driving unit has an output terminal electrically connected to gate lines, a first clock signal input terminal electrically connected to first clock signal line, and a second clock signal input terminal electrically connected to second clock signal line. Each virtual driving unit has an output terminal insulated from gate lines, a first clock signal input terminal insulated from first and second clock signal lines, and a second clock signal input terminal insulated from first and second clock signal lines. At least one virtual driving unit is disposed within the rounded angle region and located between two gate driving units.
    Type: Application
    Filed: January 25, 2019
    Publication date: April 23, 2020
    Inventors: Yana GAO, Xinzhao LIU, Yue LI, Xingyao ZHOU, Kaihong HUANG
  • Patent number: 10627683
    Abstract: The disclosure discloses a display panel and a display device. The display panel includes a display region, and a non-display region adjacent to the display region. The display region includes a first display region and a second display region, the first display region includes first pixels arranged in an array, the second display region includes second pixels arranged in an array, and the number of pixels in any one row of the first pixels is less than the number of columns of the second pixels. The display panel further includes a gate driver circuit arranged in the non-display region and first signal lines, each of the first signal lines is connected with the gate driver circuit, and at least one of the first signal lines provides a row of first pixels with a control signal; a resistance compensation unit is disposed on at least one of the first signal lines.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: April 21, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yana Gao, Yue Li, Renyuan Zhu, Dongxu Xiang, Xingyao Zhou
  • Publication number: 20200074927
    Abstract: An organic light-emitting diode (OLED) compensation circuit, a display panel and a display apparatus are provided. The OLED compensation circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, a storage capacitor and an OLED element. For the first transistor, a gate electrode is electrically connected to a first scanning signal line, a first electrode electrically connected to a data signal line, and a second electrode electrically connected to a first node. For the second transistor, a gate electrode is electrically connected to a first light-emitting control signal line, a first electrode electrically connected to a first voltage signal line, and a second electrode electrically connected to a second node. For the third transistor, a gate electrode is electrically connected to the first node, a first electrode electrically connected to the second node, and a second electrode electrically connected to a third node.
    Type: Application
    Filed: April 5, 2019
    Publication date: March 5, 2020
    Inventors: Haojie XU, Xingyao ZHOU, Yue LI, Yana GAO
  • Patent number: 10580361
    Abstract: Provided are an organic light-emitting display panel and an organic display device, the organic light-emitting display panel includes: a display region and at least one peripheral circuit region; the peripheral circuit region is provided with shift registers cascaded in stages and clock signal lines of at least two different types, the number of clock signal lines in at least one of the different types is not less than 2, clock signals of one type of the clock signal lines are the same, clock signals of different types of the clock signal lines are different; the clock signal lines each is electrically connected to a clock signal input terminal of one of the shift registers, the shift registers each is configured to output a gate driving signal according to the clock signal in the clock signal line electrically connected to the input terminal of one of the shift registers.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: March 3, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Dongxu Xiang, Yana Gao, Xingyao Zhou
  • Patent number: 10573220
    Abstract: Disclosed are a display panel and an electronic device. The display panel includes sub-pixels arranged in an array, wherein each pixel row of the sub-pixels comprises 3n sub-pixels, with every six adjacent sub-pixels of the pixel row forming a pixel group, n?2, and the six adjacent sub-pixels of the pixel group are arranged in sequential order in a first direction parallel to the row direction. The display panel further includes a controller, where in a first display mode the controller controls each of the sub-pixels to be charged to emit light; and in a second display mode the controller controls at most two sub-pixels of each of the pixel groups in at least one of the pixel rows to not emit light, and controls at most two sub-pixels of the pixel group which have same order in two adjacent frames of pictures to not emit light.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: February 25, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Zeyuan Chen, Yana Gao, Renyuan Zhu, Zhonglan Cai
  • Patent number: 10565422
    Abstract: The present disclosure provides a display panel and a display device. The display panel has a display area, and at least a part of the display area is a fingerprint recognition region. The display panel includes: a base substrate; a plurality of pixel circuits provided on the base substrate, each of which comprises a storage capacitor; and a plurality of fingerprint recognition units provided on a side of the storage capacitor facing away from a light-out surface of the display panel, and a projection of the plurality of fingerprint recognition units in a direction perpendicular to the base substrate is located within the fingerprint recognition region. The storage capacitor includes a first electrode and a second electrode disposed opposite to each other. At least one of the first electrode and the second electrode is a transparent electrode.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: February 18, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: XingYao Zhou, Yana Gao, Yuan Li
  • Patent number: 10535414
    Abstract: A shift register element, a method for driving the same, and a display device are disclosed. The shift register element includes: an output module configured to provide an output terminal with a signal of a first signal terminal or a second signal terminal by voltage applied to a first node and a second node; a first driver configured to control voltage of the first node by the signal of the first input terminal; a second driver configured to control voltage of the second node by the signal of the first input terminal, and a signal of a third input terminal; a first feedback and adjustment module configured to control the voltage of the first node by the signals of the output terminal and the second input terminal; and a second feedback and adjustment module configured to control the voltage of the second node by the signal of the output terminal.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: January 14, 2020
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yue Li, Renyuan Zhu, Dongxu Xiang, Yana Gao, Zeyuan Chen
  • Publication number: 20200005706
    Abstract: The present disclosure provides an organic light-emitting display panel, a method for driving the display panel, and an organic light-emitting display device. In the organic light-emitting display panel, a display area and a peripheral area surrounding the display area are provided on the base substrate, and the display area includes a display sub-area and a fingerprint recognition sub-area. A plurality of pixel driving circuits and a plurality of organic light-emitting components are arranged in the display area, and the organic light-emitting components are electrically connected to the pixel driving circuits in one-to-one correspondence. The first emission driving circuit is arranged in the peripheral area and electrically connected to pixel driving circuits arranged in the display sub-area. The second emission driving circuit is arranged in the peripheral area and electrically connected to pixel driving circuits arranged in the fingerprint recognition sub-area.
    Type: Application
    Filed: November 6, 2018
    Publication date: January 2, 2020
    Inventors: Yue LI, Renyuan ZHU, Dongxu XIANG, Yana GAO, Xingyao ZHOU