Patents by Inventor RENYUAN ZHU

RENYUAN ZHU 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: 11741882
    Abstract: Provided are an organic light-emitting display panel, a driving method and a driving device therefor. The driving method includes: setting brightness levels of the organic light-emitting display panel and maximum gray scale brightness levels, and maximum gray scale brightness levels include a first maximum gray scale brightness corresponding to a maximum brightness level of the organic light-emitting display panel, and an effective pulse duty cycle of a light-emitting control signal for driving the first maximum gray scale brightness is defined as a first effective pulse duty cycle; determining a target brightness level of the switched picture and a target maximum gray scale brightness corresponding to the target brightness level; adjusting the target effective pulse duty cycle of the light-emitting control signal for driving the switched picture.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: August 29, 2023
    Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Dongxu Xiang, Yue Li, Renyuan Zhu, Yana Gao, Zhonglan Cai
  • Patent number: 11315523
    Abstract: The present disclosure provides an emission controller, a driving method thereof, and a display device. The emission controller includes a first processing module, a second processing module, a third processing module, an output module and a shift control module. The first processing module generates a first signal in response to a first control signal, a second control signal and a second signal. The second processing module generates a second signal in response to the first control signal and the first signal. The third processing module generates third and fourth signals in response to the second control signal, the second and first signals. The output module provides emission control signal in response the first and fourth signal. The shift control module provides a shift control signal in response to the first and fourth signal, or provides a shift control signal in response to the first and third signal.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: April 26, 2022
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yana Gao, Xingyao Zhou, Yue Li, Dongxu Xiang, Renyuan Zhu, Zhonglan Cai, Juan Zhu, Gaojun Huang, Yilin Xu
  • Publication number: 20220122518
    Abstract: Provided are an organic light-emitting display panel, a driving method and a driving device therefor. The driving method includes: setting brightness levels of the organic light-emitting display panel and maximum gray scale brightness levels, and maximum gray scale brightness levels include a first maximum gray scale brightness corresponding to a maximum brightness level of the organic light-emitting display panel, and an effective pulse duty cycle of a light-emitting control signal for driving the first maximum gray scale brightness is defined as a first effective pulse duty cycle; determining a target brightness level of the switched picture and a target maximum gray scale brightness corresponding to the target brightness level; adjusting the target effective pulse duty cycle of the light-emitting control signal for driving the switched picture.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Dongxu XIANG, Yue LI, Renyuan ZHU, Yana GAO, Zhonglan CAI
  • Patent number: 11289054
    Abstract: The present disclosure provides an emission controller, a driving method thereof, and a display device. The emission controller includes a first processing module, a second processing module, a third processing module, an output module and a shift control module. The first processing module generates a first signal in response to a first control signal, a second control signal and a second signal. The second processing module generates a second signal in response to the first control signal and the first signal. The third processing module generates third and fourth signals in response to the second control signal, the second and first signals. The output module provides emission control signal in response the first and fourth signal. The shift control module provides a shift control signal in response to the first and fourth signal, or provides a shift control signal in response to the first and third signal.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: March 29, 2022
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yana Gao, Xingyao Zhou, Yue Li, Dongxu Xiang, Renyuan Zhu, Zhonglan Cai, Juan Zhu, Gaojun Huang, Yilin Xu
  • Publication number: 20210327358
    Abstract: Disclosed are a display panel and a display device. When a display area is divided into a first display area and a second display area, and the number of pixels in a row of pixels in the second display area is smaller than the number of pixels in a row of pixels in the first display area, a load on a scan signal line connected with a row of pixels in the second display area is lower than a load on a scan signal line connected with a row of pixels in the first display area, and at least one of the respective scan signal lines connected with the respective rows of pixels in the second display area is connected with a compensation capacitor.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Dongxu XIANG, Renyuan ZHU, Yue LI, Yana GAO, Xingyao ZHOU, Zhonglan CAI
  • Patent number: 11094238
    Abstract: Provided is a display panel and display device. A display area of a display panel includes a first area and a second area. The number of pixel units in each row in the first area is less than the number of pixel units in each row in the second area. The scanning lines electrically connected to the first shift registers are disposed in the first area, and the scanning lines electrically connected to the second shift registers are disposed in the second area. The first shift registers and the second shift registers are electrically connected to a first clock signal line, and the first shift registers are electrically connected to the first clock signal line through resistance compensation units.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: August 17, 2021
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Renyuan Zhu, Yue Li, Dongxu Xiang, Yana Gao, Xingyao Zhou
  • Publication number: 20210118405
    Abstract: The present disclosure provides an emission controller, a driving method thereof, and a display device. The emission controller includes a first processing module, a second processing module, a third processing module, an output module and a shift control module. The first processing module generates a first signal in response to a first control signal, a second control signal and a second signal. The second processing module generates a second signal in response to the first control signal and the first signal. The third processing module generates third and fourth signals in response to the second control signal, the second and first signals. The output module provides emission control signal in response the first and fourth signal. The shift control module provides a shift control signal in response to the first and fourth signal, or provides a shift control signal in response to the first and third signal.
    Type: Application
    Filed: December 28, 2020
    Publication date: April 22, 2021
    Inventors: Yana GAO, Xingyao ZHOU, Yue LI, Dongxu XIANG, Renyuan ZHU, Zhonglan CAI, Juan ZHU, Gaojun HUANG, Yilin XU
  • Publication number: 20210118406
    Abstract: The present disclosure provides an emission controller, a driving method thereof, and a display device. The emission controller includes a first processing module, a second processing module, a third processing module, an output module and a shift control module. The first processing module generates a first signal in response to a first control signal, a second control signal and a second signal. The second processing module generates a second signal in response to the first control signal and the first signal. The third processing module generates third and fourth signals in response to the second control signal, the second and first signals. The output module provides emission control signal in response the first and fourth signal. The shift control module provides a shift control signal in response to the first and fourth signal, or provides a shift control signal in response to the first and third signal.
    Type: Application
    Filed: December 28, 2020
    Publication date: April 22, 2021
    Inventors: Yana GAO, Xingyao ZHOU, Yue LI, Dongxu XIANG, Renyuan ZHU, Zhonglan CAI, Juan ZHU, Gaojun HUANG, Yilin XU
  • Patent number: 10964268
    Abstract: The present disclosure provides a shift register, a driving method thereof, a scan driving circuit and a display device. The shift register includes: a first node control module configured to control level at the first node based on an input signal and a second clock signal; a second node control module configured to control level at a second node based on the input signal, the first clock signal, the second clock signal, a low level signal and a high level signal; and an output control module configured to control the output terminal to output high level or low level based on level at the first node, level at the second node and the second clock signal. The second node can be provided with a relatively low level, which is conductive to maintaining a normal output of the shift register.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: March 30, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Dongxu Xiang, Yana Gao, Xingyao Zhou
  • Patent number: 10909950
    Abstract: The present disclosure provides an emission controller, a driving method thereof, and a display device. The emission controller includes a first processing module, a second processing module, a third processing module, an output module and a shift control module. The first processing module generates a first signal in response to a first control signal, a second control signal and a second signal. The second processing module generates a second signal in response to the first control signal and the first signal. The third processing module generates third and fourth signals in response to the second control signal, the second and first signals. The output module provides emission control signal in response the first and fourth signal. The shift control module provides a shift control signal in response to the first and fourth signal, or provides a shift control signal in response to the first and third signal.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: February 2, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yana Gao, Xingyao Zhou, Yue Li, Dongxu Xiang, Renyuan Zhu, Zhonglan Cai, Juan Zhu, Gaojun Huang, Yilin Xu
  • Patent number: 10847237
    Abstract: The present disclosure provides a shift register, a driving circuit, a display device and a driving method for improving the accuracy of an output signal. The first input unit of the shift register is configured to provide a signal at a first fixed potential terminal to a first node, a signal at the input signal terminal to the first node and the signal at the input signal terminal to the first node. A second input unit of the shift register is configured to provide the signal at the input signal terminal to the second node and a signal at the first fixed potential terminal to the second node. An output unit of the shift register is configured to provide a signal at the first clock signal terminal to an output signal terminal of the shift register and a signal at a second fixed potential terminal to the output signal terminal.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: November 24, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Renyuan Zhu, Yana Gao, Xingyao Zhou, Zhonglan Cai, Juan Zhu, Yilin Xu, Gaojun Huang
  • Patent number: 10803817
    Abstract: The present disclosure provides an emission control circuit including a first processing module, a second processing module, a third processing module and an output module. The first processing module generates a first signal in response to a first control signal, a second control signal and a second signal. The second processing module includes a first transistor having a control electrode electrically connected to the first node, a first electrode electrically connected to the second node and a second electrode electrically connected to the first control signal terminal, and a second transistor having a control electrode electrically connected to the first control signal terminal, a first electrode electrically connected to the second node and a second electrode electrically connected to the first control signal terminal. The third processing module generates a third signal and a fourth signal in response to the second control signal, the first signal and the second signal.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: October 13, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yana Gao, Xing Yao Zhou, Yue Li, Renyuan Zhu, Dongxu Xiang, Gaojun Huang, Yilin Xu, Zhonglan Cai, Juan Zhu
  • Patent number: 10769977
    Abstract: The present disclosure provides a shift register. The shift register includes: a first node control module configured to control level at a first node based on a first clock signal and a second clock signal; a second node control module configured to control level at a second node based on level at the first node, the first clock signal, the second clock signal, a first low level signal and a high level signal; an output control module configured to control an output terminal to output high or low level based on level at the first node, level at the second node, the high level signal and a second low level signal; and a carry control module configured to control a carry terminal to output high or low level based on level at the second node, level at the output terminal, the high level signal and the second low level signal.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: September 8, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Renyuan Zhu, Yana Gao, Xing Yao Zhou, Juan Zhu, Zhonglan Cai, Yilin Xu, Gaojun Huang
  • Patent number: 10762976
    Abstract: The present disclosure provides a shift register. The shift register includes: a first node control module for controlling level at the first node; a second node control module for controlling level at a second node; and an output control module for controlling the output terminal to output high or low level. The first node control module includes an input unit configured to write the input signal into the third node and a protection unit configured to control a level at a fourth node based on a level at the third node and control writing of the level at the fourth node into the first node based on the second clock signal. The technical solution of the present disclosure can prevent the transistor for providing the third node with inputting signal from being broken down.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: September 1, 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: 10726239
    Abstract: A display panel includes a base substrate, including a display region and a non-display region; a pixel array in the display region; and at least one fingerprint recognition unit, located on the base substrate in the non-display region. Each fingerprint recognition unit includes a fingerprint recognition sensor, including a first electrode layer, a P-type-semiconductor/insulator/N-type-semiconductor (PIN) layer, and a second electrode layer. The first electrode layer includes a transparent electrode material. The non-display region includes a step bending region, and a fingerprint recognition region located on the side of the step bending region away from the display region. The at least one fingerprint recognition unit is located in the fingerprint recognition region. The display panel is folded at the step bending region. The first electrode layer of each fingerprint recognition unit is located on the side surface of the PIN layer close to the light-emitting surface of the display panel.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: July 28, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xingyao Zhou, Yana Gao, Yue Li, Dongxu Xiang, Yuan Li, Renyuan Zhu
  • Patent number: 10726778
    Abstract: The present disclosure provides an emission driving circuit, which includes: a first node control module configured to provide an input signal or a high level signal to a first node based on a first clock signal and a second clock signal, to control a level at the first node; a second node control module configured to control a level at a second node based on the level at the first node, the first clock signal, the second clock signal, a first low level signal and the high level signal; and an output control module configured to control an output terminal to output high or low level based on level at the first node, level at the second node, the high level signal and a second low level signal. A low level of the first low level signal is different from a low level of the second low level signal.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: July 28, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Renyuan Zhu, Yana Gao, Xingyao Zhou, Juan Zhu, Zhonglan Cai, Yilin Xu, Gaojun Huang
  • 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: 10685729
    Abstract: Disclosed are a shift register element, a method for driving the same, and a display panel. The method includes: an output module including a first node and a third node, wherein the output module is configured to provide an output terminal with a signal of a first signal terminal or a second signal terminal according to voltage applied to the first node and the third node; a first driver configured to control the voltage of the first node, and voltage of a second node according to signals of the first input terminal and the second input terminal; a second driver configured to control voltage of the third node according to the voltage of the first node and the second node; and a feedback regulation module configured to control voltage of the first node according to the signal of the output terminal, and signals of a third input terminal and a fourth input terminal.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: June 16, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yue Li, Renyuan Zhu, Dongxu Xiang, Zhonglan Cai, Juan Zhu