Patents by Inventor Tong Wu

Tong Wu 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: 9832744
    Abstract: Embodiments of the present invention disclose a timing value adjustment method and apparatus, which relate to the communications field and reduce a probability that power of a terminal exceeds a limit. A specific solution is that: an absolute timing difference of a timing advance group TAG pair is obtained according to an absolute value of a difference between transmit timing values or receive timing values of the two TAGs in the TAG pair, where the TAG pair is formed by any two TAGs in a TAG set; and it is determined that the absolute timing difference of the TAG pair meets a predetermined condition, and first signaling is sent to a network device, where the first signaling includes identifiers of the two TAGs in the TAG pair. The present invention is used in a timing value adjustment process.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: November 28, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jie Cui, Anjian Li, Xiaodong Yang, Bo Li, Tong Wu, Hong Li
  • Patent number: 9814015
    Abstract: Embodiments of the present invention provide a positioning method, a positioning server, a terminal and a base station. The positioning method includes: notifying a terminal of difference threshold information; receiving cell subset information that is determined by the terminal according to the difference threshold information, where the cell subset information is used to indicate a cell pair whose reference signal measured value exceeds the difference threshold, or the cell subset information is used to indicate a cell pair whose reference signal measured value does not exceed the difference threshold; determining a configuration of a PRS according to the cell subset information, and notifying the terminal of the configuration of the PRS; and receiving an RSTD that is obtained by the terminal through measurement according to the configuration of the PRS, and determining a location of the terminal according to the RSTD.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: November 7, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dengkun Xiao, Jie Cui, Anjian Li, Jing Han, Yuan He, Tong Wu
  • Publication number: 20170301293
    Abstract: The present application discloses an organic light-emitting pixel driving circuit, a driving method and an organic light-emitting display panel. The organic light-emitting pixel driving circuit comprises: a first transistor provides an initialization signal to an anode of the organic light-emitting diode and a gate of the driving transistor; a second transistor compensates a threshold voltage of the driving transistor; a third transistor provides a data signal to the driving transistor; a fourth transistor transmits a first power supply voltage to the driving transistor; a fifth transistor controls electrical connection between the driving transistor and the organic light-emitting diode based on a signal of the second light-emission controlling signal terminal; a capacitor is used to store the data signal transmitted to the driving transistor; an organic light-emitting diode is used to emit light in response to the driving current generated by the driving transistor.
    Type: Application
    Filed: June 28, 2017
    Publication date: October 19, 2017
    Inventors: Renyuan ZHU, Yue LI, Tong WU, Dongxu XIANG, Zeyuan CHEN
  • Publication number: 20170287403
    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: June 21, 2017
    Publication date: October 5, 2017
    Inventors: Dongxu XIANG, Yue LI, Renyuan ZHU, Tong WU, Dong QIAN, Zeyuan CHEN, Gang LIU
  • Publication number: 20170270853
    Abstract: A pixel driving circuit, a driving method and an organic light-emitting display panel are provided. The pixel driving circuit includes: a first transistor, a second transistor, a third transistor, a fourth transistor and a fifth transistor, a sixth transistor, a seventh transistor and an eighth transistors, and a capacitor. A first node is present between the fourth transistor and the fifth transistor. The seventh transistor is coupled between a reference voltage line and the first node, and the eighth transistor is coupled between the reference voltage line and an anode of the light-emitting element.
    Type: Application
    Filed: March 20, 2017
    Publication date: September 21, 2017
    Applicants: Shanghai Tianma AM-OLEO Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Dong Qian, Gang Liu, Renyuan Zhu, Tong Wu, Zeyuan Chen
  • Publication number: 20170263187
    Abstract: An organic light-emitting pixel driving circuit, a driving method thereof, and an organic light-emitting display panel are provided. The organic light-emitting pixel driving circuit comprises a light-emitting element, a driving transistor that drives the light-emitting element, a first to a fifth transistors, and a capacitor. The first transistor is configured to transmit an initialization voltage to the light-emitting element. The second transistor is configured to transmit the initialization voltage to the driving transistor and compensate a threshold voltage of the driving transistor. The third transistor is configured to transmit a data signal voltage to the driving transistor. The fourth transistor is configured to transmit a first power supply voltage signal to the driving transistor. The fifth transistor is configured to control an electric connection between the driving transistor and an anode of the light-emitting element.
    Type: Application
    Filed: May 19, 2017
    Publication date: September 14, 2017
    Inventors: Renyuan ZHU, Yue LI, Tong WU, Dongxu XIANG, Zeyuan CHEN
  • Publication number: 20170256205
    Abstract: An organic light-emitting pixel driving circuit, a driving method thereof, and an organic light-emitting display panel are provided. The organic light-emitting pixel driving circuit comprises a light-emitting element, a driving transistor for driving the light-emitting element, an initialization unit, a storage unit, a data write-in unit, and a light-emitting control unit. The initialization unit is configured to transmit a first power supply voltage signal to a gate electrode of the driving transistor and transmit a reference voltage signal to a source electrode of the driving transistor and an anode of the light-emitting element. The storage unit is configured to maintain a voltage signal transmitted to the driving transistor. The data write-in unit is configured to transmit a data voltage signal to the gate electrode of the driving transistor, thus compensating a threshold voltage of the driving transistor. The light-emitting control unit is configured to control the light-emitting element.
    Type: Application
    Filed: May 19, 2017
    Publication date: September 7, 2017
    Inventors: Renyuan ZHU, Yue LI, Tong WU
  • Publication number: 20170249903
    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: Application
    Filed: May 12, 2017
    Publication date: August 31, 2017
    Inventors: Dongxu XIANG, Yue Li, Tong Wu, Zeyuan Chen, Gang Liu, Dong Qian
  • Publication number: 20170243535
    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: Application
    Filed: May 9, 2017
    Publication date: August 24, 2017
    Inventors: Tong WU, Dong QIAN
  • Publication number: 20170243542
    Abstract: An organic light-emitting display panel, a driving method thereof and an organic light-emitting display device are provided. The organic light-emitting display panel includes a pixel driving circuit comprising an organic light-emitting element, a driving module, an initialization module, a data write-in module, and a light-emitting control module. The driving module includes a control end, a first end and a second end. The light-emitting control module is configured to transmit a signal to the second end of the driving module. The driving module is configured to drive the organic light-emitting element to emit light based on the signal transmitted by the light-emitting control module. The initialization module is configured to initialize a voltage level of the control end and a voltage level of the first end of the driving module. The data write-in module is configured to write a data signal into the control end of the driving module.
    Type: Application
    Filed: May 5, 2017
    Publication date: August 24, 2017
    Inventors: Dongxu XIANG, Yue LI, Tong WU, Dong QIAN, Gang LIU, Zeyuan CHEN
  • Publication number: 20170243537
    Abstract: A pixel circuit and driving method thereof, and a display device are provided. The pixel circuit comprises a light-emitting element, a first, second, third, and fourth transistors, and a capacitor element. The first transistor is configured to time-sharingly receive a data voltage and a power supply voltage under control of a first voltage signal. The second transistor is configured to detect and compensate a threshold voltage deviation of the first transistor under control of a first scanning signal. The third transistor is configured to provide a driving current generated by the first transistor to the light-emitting element under control of a light-emitting signal. The fourth transistor is configured to transmit a reset signal to an anode of the light-emitting element under control of a second scanning signal. The capacitor element is configured to store the data voltage transmitted to the first transistor. The light-emitting element is configured to emit light.
    Type: Application
    Filed: May 5, 2017
    Publication date: August 24, 2017
    Inventors: Tong WU, Zeyuan CHEN, Yue LI, Dongxu XIANG, Renyuan ZHU, Gang LIU
  • Publication number: 20170221419
    Abstract: An organic light-emitting display panel and 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 pixel driving circuit, and a second pixel driving circuit disposed adjacent to the first pixel driving circuit along a row direction of the pixel matrix. The first pixel driving circuit is connected to a first scanning signal line, and the second pixel driving circuit is connected to a second scanning signal line. The first and the second pixel driving circuits share a same data line that is configured to time-sharingly provide an initialization signal to the first and the second pixel driving circuits, time-sharingly detect threshold voltages of driving transistors in the first and the second pixel driving circuits, and time-sharingly provide a compensated data signal to the first and the second pixel driving circuits.
    Type: Application
    Filed: April 17, 2017
    Publication date: August 3, 2017
    Inventors: Dongxu XIANG, Yue LI, Dong QIAN, Zeyuan CHEN, Gang LIU, Renyuan ZHU, Tong WU
  • Publication number: 20170221418
    Abstract: An organic light-emitting display panel, a driving method, and an organic light-emitting display device are provided. The organic light-emitting display panel comprises a plurality of pixel driving circuits, wherein a pixel driving circuit includes a first scan signal terminal and a second scan signal terminal; a light-emitting signal terminal, a data signal terminal, an initialization signal terminal, a first voltage terminal, and a second voltage terminal; a driving module comprising a driving transistor and a first capacitor having two electrode plates electrically connected to a gate electrode and a first electrode of the driving transistor, respectively; an initialization module comprising a first transistor, a first electrode, and a second electrode electrically connected to a second electrode of the driving transistor; a data writing module electrically connected to the gate electrode of the driving transistor; a light-emitting control module; and an organic light-emitting element.
    Type: Application
    Filed: April 17, 2017
    Publication date: August 3, 2017
    Inventors: Dongxu XIANG, Yue LI, Tong WU, Renyuan ZHU, Gang LIU, Dong QIAN, Zeyuan CHEN
  • Publication number: 20170206839
    Abstract: This application discloses an organic light emitting pixel compensation circuit, an organic light emitting display panel, and a driving method. A specific embodiment of the organic light emitting pixel compensation circuit comprises an external compensation module, the external compensation module comprising a data line, a reference voltage line, a reset control line, a first detection control line, a second detection control line, a first input/output terminal, a second input/output terminal, a reset unit, a threshold voltage detection unit, a deterioration voltage detection unit, a data processing unit, and an adder unit. In the embodiment, the deterioration compensation for a light emitting element is achieved by detecting and processing an anode voltage at the second input/output terminal to obtain a compensated voltage, and feeding the compensated data voltage back to a gate of a driving transistor via the data line.
    Type: Application
    Filed: March 29, 2017
    Publication date: July 20, 2017
    Inventors: Tong Wu, Yue Li, Dongxu Xiang, Gang Liu
  • Publication number: 20170200417
    Abstract: The present application discloses an organic light emitting pixel driving circuit, an organic light emitting display panel and a driving method thereof. One embodiment of the organic light emitting pixel driving circuit comprises: a storage unit, a coupling unit, a data writing unit, a light emitting control unit, a reset unit, a data line, a first scanning line, a second scanning line, a light emitting control line, a reference voltage line, an initialization voltage line, a light emitting element and a driving transistor. By writing a compensation voltage to a second electrode of the driving transistor and then to a gate of the driving transistor through the coupling unit, the embodiment avoids a noise from a parasitic capacitance generated by a signal change on the data line to the gate of the driving transistor, therefore a stable display is achieves.
    Type: Application
    Filed: March 27, 2017
    Publication date: July 13, 2017
    Inventors: Tong Wu, Yue Li, Renyuan Zhu, Gang Liu
  • Patent number: 9679514
    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: October 28, 2014
    Date of Patent: June 13, 2017
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Tong Wu, Dong Qian
  • Publication number: 20170150444
    Abstract: Embodiments of the present invention disclose a radio link monitoring method and UE. The radio link monitoring method provided in the embodiments of the present invention includes: monitoring, by user equipment UE, downlink quality of a serving cell on a physical layer by using an extended link monitoring period, where the extended link monitoring period is greater than an original link monitoring period; and sending, by the UE, an in-synchronization indication message or an out-of-synchronization indication message to an upper layer of the UE when a monitoring result satisfies a preset report condition. According to the method in the embodiments of the present invention, power consumption and device costs can be reduced.
    Type: Application
    Filed: December 16, 2016
    Publication date: May 25, 2017
    Inventors: Hong Li, Tong Wu, Anjian Li, Jing Han, Jie Cui
  • Patent number: 9653179
    Abstract: Embodiments of the disclosure provide a shift register, a driving method and a gate driving circuit. In an embodiment, the shift register includes: a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a ninth transistor, a first storage capacitor and a second storage capacitor. The shift register is driven by the cooperation of the respective transistors. In the case that the shift register is applied in the gate driving circuit to implement a line-by-line scanning, shift registers corresponding to two adjacent pixel rows are cascaded directly and no inverters are provided following the shift registers corresponding to the respective pixel rows, thereby decreasing the number of transistors in the gate driving circuit, reducing the layout area of the gate driving circuit, and being advantageous for narrowing the border.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: May 16, 2017
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Tong Wu, Dong Qian, Tong Zhang
  • Patent number: 9653022
    Abstract: A pixel circuit of an organic light-emitting display and a method of driving the same, and an organic light-emitting display are disclosed. The pixel circuit includes at least a first thin film transistor, a second thin film transistor, a third thin film transistor, a fourth thin film transistor, a fifth thin film transistor, a first capacitor, and a light-emitting diode. The pixel circuit and the method for driving the same enable a gate voltage and a source voltage of the first thin film transistor to be coupled and maintained in a control signal write phase and also compensate for a threshold voltage drift of the first thin film transistor so as to address the problem in prior art of non-uniform light emission by the OLED due to the threshold voltage drift of the drive transistor or the instable voltage across the gate and the source of the drive transistor.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: May 16, 2017
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Tong Wu, Dong Qian
  • Patent number: 9650390
    Abstract: The present invention discloses a class of water soluble taxane derivatives, a method for treating tumor using the same, use thereof as anti-tumor drugs and use thereof in the preparation of anti-tumor drugs. The water soluble taxane derivatives have the general formula (I-1), (I-2) or (I-3): wherein, R1 is H or methyl; R2 is H, methyl or acetyl; R3 is phenyl or OC(CH3)3; X is H, C1-6 alkyl or F; Y is F or C1-6 alkyl substituted with one or more F; n is 1, 2, 3, 4, 5 or 6; W is NR4R5.A or R4 and R5 are each independently H, C1-6 alkyl optionally substituted with phenyl, or C3-6 cycloalkyl; m is 0, 1, 2 or 3; and A is a pharmaceutically acceptable acid.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: May 16, 2017
    Assignee: JIANGSU NHWALUOKANG PHARMCEUTICAL RESEARCH AND DEVELOPMENT CO., LTD
    Inventors: Qingeng Li, Tao Wang, Gang Chen, Yuanzhong Wang, Wei Mao, Lingguo Zeng, Tong Wu, Dahai Chen