Patents by Inventor Guangliang Shang

Guangliang Shang 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: 20180293956
    Abstract: The present disclosure relates to an array substrate, a display panel and a display device. The array substrate includes a plurality of shift register units, a plurality of gate lines and a plurality of data lines crossing the plurality of gate lines. The plurality of gate lines crossing the plurality of data lines defines a plurality of pixel regions. Each of the pixel regions is divided into a driving zone and a pixel unit zone. A plurality of the driving zones in a same column constitute at least one unit region and each of the shift register units is disposed in one of the unit regions to provide scanning signals to the gate line connected thereto.
    Type: Application
    Filed: December 13, 2017
    Publication date: October 11, 2018
    Inventors: Xing YAO, Seung-Woo HAN, Guangliang SHANG, Mingfu HAN, Haoliang ZHENG, Yun-Sik IM
  • Patent number: 10096374
    Abstract: The present disclosure provides a shift register circuit, an array substrate, and a display device. For a first driver and a second driver adjacent to each other in a direction substantially perpendicular to the gate line, a first driving input wiring of the first driver is arranged to input a first clock driving signal to individual shift registers successively from a shift register at a first end position of the first driver to a shift register at a second end position of the first driver, and a second driving input wiring of the second driver is arranged to input a second clock driving signal to individual shift registers successively from a shift register at a second end position of the second driver to a shift register at a first end position of the second driver.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: October 9, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangliang Shang, Seungwoo Han, Haoliang Zheng, Xing Yao, Mingfu Han, Hyunsic Choi, Yunsik Im, Yinglong Huang, Jungmok Jun, Xue Dong
  • Publication number: 20180286303
    Abstract: The present disclosure relates to a pixel driving circuit, a driving method thereof, and a display apparatus, to realize switch between resolutions of the display apparatus which is driven by the pixel driving circuit. The pixel driving circuit comprises: r first data lines and k second data lines, each of the first data lines has a first switch unit provided thereon, and is connected to q second data lines through a second switch unit, and the first switch unit and the second switch unit are connected to a signal control unit respectively; and the signal control unit is configured to control the first switch unit to be turned on and the second switch unit to be turned off when display is to be performed at a first resolution, and control the first switch unit to be turned off and the second switch unit to be turned on when display is to be performed at a second resolution, wherein the first resolution is greater than the second resolution.
    Type: Application
    Filed: October 25, 2017
    Publication date: October 4, 2018
    Inventors: Guangliang Shang, Jung Chul Gyu, Seung Woo Han, Haoliang Zheng, Mingfu Han, Zhihe Jin, Im- Yun- Sik, Jing Lv, Xue Dong
  • Publication number: 20180261177
    Abstract: The present disclosure discloses a gate drive circuit, a display panel and a driving method for the gate drive circuit. The gate drive circuit includes a plurality of shift register units connected in cascade; and further includes: buffer units which are in a one-to-one correspondence with shift register units at all levels, and touch control switch units which are in a one-to-one correspondence with shift register units at even levels. Each buffer unit in the gate drive circuit can increase the holding time of the effective pulse signal output by the shift register unit at a corresponding level by one line before resetting, and the effective pulse signal output by a buffer unit at an even level under the control of a touch control unit and the effective pulse signal output by a buffer unit at an adjacent previous odd level are reset at the same time.
    Type: Application
    Filed: October 27, 2017
    Publication date: September 13, 2018
    Inventors: Mingfu HAN, Xing YAO, Guangliang SHANG, Haoliang ZHENG, Seung-Woo HAN, Jiha KIM, Lijun YUAN, Zhichong WANG
  • Publication number: 20180233210
    Abstract: A supplement resetting module for a gate driver circuit, including a pull-up control unit, a pull-down control unit, a clock signal input end, a predetermined level input end, a first control signal input end, a second control signal input end and a signal output end. A control end of the pull-up control unit is connected to the clock signal input end, an output end of the pull-up control unit is connected to the signal output end, a first control end of the pull-down control unit is connected to the first control signal input end, a second control end of the pull-down control unit is connected to the second control signal input end, an input end of the pull-down control unit is connected to the predetermined level input end, and an output end of the pull-down control unit is connected to the signal output end.
    Type: Application
    Filed: August 25, 2016
    Publication date: August 16, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mingfu HAN, Guangliang SHANG, Yuanbo ZHANG, Yujie GAO, Yan YAN, Yingmeng MIAO, Seungwoo HAN, Zhihe JIN, Xing YAO, Haoliang ZHENG
  • Patent number: 10049762
    Abstract: Disclosed are a shift register unit, an operation method therefor and a shift register including the shift register unit. The shift register unit includes: an input module configured to transmit a received input signal to a pull-up node; an output module configured to output a first control signal of a first control signal end to an output end when a pull-up signal at the pull-up node is at an effective pull-up level; and a coupling module having a first end connected to a second control signal end and a second end connected to the pull-up node, and being configured to control the pull-up signal at the pull-up node in a voltage coupling manner according to a second control signal of the second control signal end. By further pulling up the voltage at the pull-up node when output end is reset, the speed of resetting the output end can be increased.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: August 14, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Guangliang Shang
  • Publication number: 20180226039
    Abstract: A shift register unit, gate driving device, display device and driving method are provided. The shift register unit includes: an input circuit, configured to control a potential of a pull-up control node based on an input signal; a pull-down control circuit, configured to control a potential of a pull-down control node based on the input signal and the potential of the pull-up control node when first signal is at a first level; a pull-down circuit, configured to pull down the potential of the pull-up control node based on the potential of the pull-down control node; a pull-up circuit, configured to control an output signal output from a signal output terminal based on the potential of the pull-up control node and the clock signal; and a reset circuit, configured to reset the output signal based on the potential of the pull-down control node when second signal is at a second level.
    Type: Application
    Filed: December 15, 2016
    Publication date: August 9, 2018
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Seung Woo Han, Guangliang Shang
  • Publication number: 20180204494
    Abstract: Disclosed is a shift register unit, a gate driving circuit and a driving method, as well as a display apparatus. The shift register unit has a working cycle including an input phase, an output phase, a reset phase and a maintaining phase. In the reset phase, a clock signal is transmitted to an output terminal to pull a voltage of the output terminal down to a reference voltage, and the pulled-down voltage of the output terminal is subsequently changed from the reference voltage to a gate-off voltage. In the maintaining phase, the voltage of the output terminal is maintained at the gate-off voltage. The reference voltage is smaller than the gate-off voltage.
    Type: Application
    Filed: September 18, 2016
    Publication date: July 19, 2018
    Inventors: Guangliang Shang, Xing Yao, Seungwoo Han, Yujie Gao, Yuanbo Zhang, Ming Chen, Jungmok Jun, Xue Dong
  • Publication number: 20180197455
    Abstract: The embodiments of the present disclosure provide a partition-based gate driving method and apparatus and a gate driving unit, and relates to the field of display technology. In the embodiments of the present disclosure, the partition-based gate driving method comprises: generating a control signal according to an acquired human eye observation partition; generating a second clock signal or a third clock signal according to the control signal; and controlling a second output signal according to the second clock signal or controlling a third output signal according to the third clock signal, thereby controlling the display area to be displayed by partitions.
    Type: Application
    Filed: August 22, 2017
    Publication date: July 12, 2018
    Inventors: Mingfu Han, Guangliang Shang, Han-Seung- Woo, Xing Yao, Zhihe Jin, Haoliang Zheng, Lijun Yuan, Zhichong Wang
  • Publication number: 20180188562
    Abstract: The present application discloses a reflective display panel, a driving method thereof, a control method of a pixel unit and a reflective display device. The reflective display panel comprises: a base substrate, a reflective layer, first and second electrode layers, wherein the first electrode layer is on a side of the reflective layer distal to the base substrate, the second electrode layer is on a side of the first electrode layer distal to the base substrate and insulated from the first electrode layer, materials of the first and second electrode layers are each an electro-optic material, and orthogonal projections of the second and first electrode layers on the base substrate have overlapping areas corresponding to the pixel units.
    Type: Application
    Filed: October 26, 2017
    Publication date: July 5, 2018
    Inventors: Zhihe JIN, Seungwoo HAN, Mingfu HAN, Xing YAO, Guangliang SHANG, Zhichong WANG, Lijun YUAN, Haoliang ZHENG, Yunsik IM
  • Publication number: 20180190180
    Abstract: Embodiments of the present disclosure provide a shift register unit, a driving method thereof, a gate driving circuit, and a display device. The shift register unit comprises an input circuit, a reset circuit, a plurality of output circuits, a plurality of pull-down circuits and a plurality of pull-down control circuits. During a first time period, all of signals output by the plurality of output circuits are valid. During a second time period, at least one of the signals output by the plurality of output circuits is invalid, wherein the second time period comprises a first sub-period and a second sub-period, and the state of at least one of the signals output by the plurality of output circuits during the first sub-period is opposite to the state thereof during the second sub-period. The shift register unit may enable transistors in a pixel circuit to switch between ON and OFF states, so as to extend lifetime of the transistors.
    Type: Application
    Filed: August 18, 2017
    Publication date: July 5, 2018
    Inventors: Guangliang Shang, Mingfu Han, Haoliang Zheng, Han-Seung- Woo, Im-Yun- Sik, Jing Lv, Yinglong Huang, Jun-Jung- Mok, Xue Dong, Zhichong Wang, Xing Yao, Lijun Yuan, Zhihe Jin
  • Patent number: 10013946
    Abstract: The present disclosure discloses a pixel driving circuit and a driving method thereof, a display panel and a display apparatus, and relates to a field of display technology, in order to solve a problem of the conventional light-emitting element being unable to emit light within a short period of time during which no current flows through the light-emitting element so that the conventional display apparatus has a bad display effect. The pixel driving circuit comprises a first input module, a second input module, a charging module for charging a storage module, the storage module for storing quantity of electricity between a compensation module and a light-emitting element, a power supply control module, the compensation module, a driving module for providing the light-emitting element with a signal of a DC power supply signal terminal and a light-emitting element. The pixel driving circuit provided by the present disclosure is applied in the display apparatus.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: July 3, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Feng Liao, Guangliang Shang, Kuanjun Peng
  • Patent number: 10006957
    Abstract: A circuit and method for testing transistor(s) are provided. The circuit is used for testing a set of transistors including at least two transistors, and the circuit includes: a first power supply voltage terminal connected to first electrodes of the respective transistors; a first control signal terminal connected to control electrodes of the respective transistors; and a set of test terminals including at least two test terminals; the test terminals are connected to second electrodes of the corresponding transistors, respectively.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: June 26, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangliang Shang, Yun Sik Im, Seung Woo Han
  • Patent number: 10002675
    Abstract: The present application discloses a method of driving a gate driving circuit in an operation cycle divided into a first sub-cycle and a second sub-cycle, including providing a gate driving circuit having a first plurality of shift register units with a second plurality of shift register units, the first plurality of shift register units being configured so that each odd/even numbered shift register unit includes a first bias-control terminal to receive a first/second bias signal CLK1/CLK2, a second bias-control terminal to receive a second/first bias signal CLK2/CLK1, and a first control level terminal provided with a first control voltage VC1, the second plurality of shift register units being configured so that each odd/even numbered shift register unit includes a third bias-control terminal to receive a third/fourth bias signal CLK3/CLK4, a fourth bias-control terminal to receive a fourth/third bias signal CLK4/CLK3, and a second control level terminal provided with a second control voltage VC2; configurin
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: June 19, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haoliang Zheng, Seungwoo Han, Xing Yao, Hyunsic Choi, Guangliang Shang, Mingfu Han, Yunsik Im, Jungmok Jun, Xue Dong
  • Publication number: 20180108289
    Abstract: The present disclosure relates to a shift register unit and driving method thereof, a gate driving circuit and a display device. The shift register unit comprises: an input module for controlling a level of a first node based on a scan pulse, an output module for controlling a scan pulse output based on the level of the first node, a reset module for resetting the first node and the scan pulse output, and a control module for generating a reset trigger signal, wherein the reset module further resets the first node based on the reset trigger signal. The shift register units can be cascaded to form a gate driving circuit to realize output of multiple scan pulses. By integrating such a gate driving circuit on the array substrate, area of the bezel region of the array substrate can be reduced, thereby facilitating bezel narrowing of a display device.
    Type: Application
    Filed: May 19, 2016
    Publication date: April 19, 2018
    Inventors: Haoliang ZHENG, Seungwoo HAN, Guangliang SHANG, Hyunsic CHOI, Mingfu HAN, Xing YAO, Zhichong WANG, Lijun YUAN
  • Publication number: 20180108426
    Abstract: The present application discloses a method of driving a gate driving circuit in an operation cycle divided into a first sub-cycle and a second sub-cycle, including providing a gate driving circuit having a first plurality of shift register units with a second plurality of shift register units, the first plurality of shift register units being configured so that each odd/even numbered shift register unit includes a first bias-control terminal to receive a first/second bias signal CLK1/CLK2, a second bias-control terminal to receive a second/first bias signal CLK2/CLK1, and a first control level terminal provided with a first control voltage VC1, the second plurality of shift register units being configured so that each odd/even numbered shift register unit includes a third bias-control terminal to receive a third/fourth bias signal CLK3/CLK4, a fourth bias-control terminal to receive a fourth/third bias signal CLK4/CLK3, and a second control level terminal provided with a second control voltage VC2; configurin
    Type: Application
    Filed: August 12, 2016
    Publication date: April 19, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haoliang Zheng, Seungwoo Han, Xing Yao, Hyunsic Choi, Guangliang Shang, Mingfu Han, Yunsik Im, Jungmok JUN, Xue Dong
  • Publication number: 20180047343
    Abstract: A pixel driving circuit and method, a pixel structure and display device. The pixel driving circuit includes: a driving transistor with a source electrode connected with a luminescent device; a capacitor structure with a first end connected with a gate electrode of the driving transistor; a first write control unit, configured to write a threshold voltage of the driving transistor into the first end of the capacitor structure at a write stage; a second write control unit, configured to write a data signal into a second end of the capacitor structure at the write stage; a power output control unit, configured to output a power supply signal to a drain electrode of the driving transistor at an emission stage; and a voltage follow control unit configured to control a voltage of the gate electrode to follow a change of a voltage of the source electrode of the driving transistor.
    Type: Application
    Filed: October 21, 2016
    Publication date: February 15, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Feng LIAO, Guangliang SHANG, Yuting ZHANG
  • Publication number: 20180047329
    Abstract: The present disclosure provides a shift register circuit, an array substrate, and a display device. For a first driver and a second driver adjacent to each other in a direction substantially perpendicular to the gate line, a first driving input wiring of the first driver is arranged to input a first clock driving signal to individual shift registers successively from a shift register at a first end position of the first driver to a shift register at a second end position of the first driver, and a second driving input wiring of the second driver is arranged to input a second clock driving signal to individual shift registers successively from a shift register at a second end position of the second driver to a shift register at a first end position of the second driver.
    Type: Application
    Filed: November 1, 2016
    Publication date: February 15, 2018
    Applicant: Boe Technology Group Co., Ltd.
    Inventors: Guangliang SHANG, Seungwoo HAN, Haoliang ZHENG, Xing YAO, Mingfu HAN, Hyunsic CHOI, Yunsik IM, Yinglong HUANG, Jungmok JUN, Xue DONG
  • Patent number: 9886133
    Abstract: The present disclosure provides a noise scanning method, a noise scanning device and a touch panel. The noise scanning method includes steps of performing a touch scanning operation on the touch panel, performing a noise scanning operation on the plurality of touch driving lines Tx or the plurality of touch sensing lines Rx while performing the touch scanning operation, and acquiring a position of each touch unit on the touch panel in accordance with a result of the touch scanning operation and a result of the noise scanning operation.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: February 6, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiayang Zhao, Guangliang Shang
  • Publication number: 20180025695
    Abstract: The present invention discloses a gate driver on array circuit and a driving method thereof, and a display device. The gate driver on array circuit comprises a first gate driver on array sub-circuit and a second gate driver on array sub-circuit; the first gate driver on array sub-circuit is configured to drive in a first working state which is a state in which no defect occurs in the first gate driver on array sub-circuit; the second gate driver on array sub-circuit is configured to drive in a second working state which is a state in which a defect occurs in the first gate driver on array sub-circuit. The present invention improves the yield rate of the gate driver on array circuit.
    Type: Application
    Filed: July 21, 2017
    Publication date: January 25, 2018
    Inventors: Mingfu HAN, Guangliang SHANG, Seungwoo HAN, Zhihe JIN, Xing YAO, Haoliang ZHENG, Lijun YUAN, Zhichong WANG