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).

  • Patent number: 11100878
    Abstract: A shift register unit and a driving method, a grid driving circuit and a display device are disclosed. A shift register unit includes an input circuit, a first reset circuit, and an output circuit. The input circuit includes an input terminal configured to perform a first control on the first control node and the first node in response to an input signal of the input terminal, and then perform a second control on the first node under the control of the level of the first node, the first node is located in a path where the input signal incurs the first control; the first reset circuit is configured to reset the first control node in response to the first reset signal; the output circuit is configured to output an output signal to an output terminal under the control of the level of the first control node.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: August 24, 2021
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhichong Wang, Haoliang Zheng, Guangliang Shang, Seung Woo Han, Yinglong Huang
  • Patent number: 11094279
    Abstract: A pixel compensation method, a pixel compensation device and a display device are provided. The pixel compensation method includes: determining a target sub-pixel to be compensated in a display area; setting at least one charged sub-pixel connected to a same data line as the target sub-pixel, as a reference sub-pixel; acquiring a compensation value of the target sub-pixel; and compensating a display parameter of the target sub-pixel based on the compensation value.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: August 17, 2021
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yifang Chu, Guangliang Shang, Jieqiong Wang
  • Patent number: 11094277
    Abstract: A shift register, a gate drive circuit, a display apparatus and a driving method of the shift register are provided. The shift register includes an input subcircuit, a first and a second output subcircuits, a trigger signal input terminal, a first and a second signal output terminals, a first and a second clock terminals and a pull-up node, a control terminal and an output terminal of the input subcircuit are electrically coupled to the trigger signal input terminal and the pull-up node, respectively, for providing a valid signal received by the control terminal of the input subcircuit to the pull-up node. The shift register is provided with the first and second output subcircuits which share the same input subcircuit, greatly reducing the number of devices and thus greatly simplifying the structure of the cascaded shift registers and reducing the area of the whole display apparatus.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: August 17, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haoliang Zheng, Seungwoo Han, Guangliang Shang, Xing Yao, Lijun Yuan, Zhichong Wang, Mingfu Han, Yinglong Huang
  • Publication number: 20210223871
    Abstract: The present disclosure is related to a flexible display panel. The flexible display panel may include a display substrate, a plurality of pixel units arranged in an array on the display substrate, and at least a strain sensor on the display substrate. The strain sensor may be arranged corresponding to a region comprising at least one of the plurality of pixel units. The strain sensor may be configured to detect deformation in the region comprising at least one of the plurality of pixel units and to generate a detection signal.
    Type: Application
    Filed: April 19, 2018
    Publication date: July 22, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangliang Shang, Seungwoo Han
  • Publication number: 20210225312
    Abstract: A shift register unit and a drive method thereof, a gate driving circuit and a display device are provided. The shift register unit includes an input circuit, a pull-up node reset circuit, an output circuit and a coupling circuit. The input circuit is configured to charge a pull-up node in response to an input signal; the pull-up node reset circuit is configured to reset the pull-up node in response to a reset signal; the output circuit is configured to output a first clock signal to a first output terminal under control of a level of the pull-up node; and the coupling circuit is configured to control, by coupling, a potential of the pull-up node in response to a second clock signal.
    Type: Application
    Filed: June 7, 2018
    Publication date: July 22, 2021
    Inventors: Mingfu HAN, Guangliang SHANG, Seung Woo HAN, Xing YAO, Haoliang ZHENG, Lijun YUAN, Zhichong WANG
  • Patent number: 11069274
    Abstract: The embodiments of the present application provide a shift register unit and a method for driving the same, a gate driving circuit, and a display apparatus. Here, the shift register unit includes a first controlling sub-circuit, a first voltage dividing sub-circuit, a charging and discharging sub-circuit, and an outputting sub-circuit. Here, an output signal of the outputting sub-circuit is controlled by the charging and discharging sub-circuit. A first input signal and a second input signal input at a first input signal terminal Forward and a second input signal terminal Backward electrically coupled to the charging and discharging sub-circuit are pulse signals.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: July 20, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhichong Wang, Seungwoo Han, Guangliang Shang, Haoliang Zheng, Lijun Yuan, Xing Yao, Mingfu Han
  • Publication number: 20210217339
    Abstract: The present disclosure relates to a gate driving circuit applied to a foldable display panel comprising B display areas arranged in order. The gate driving circuit may include B gate driving subcircuits and a control circuit. Each of the gate driving subcircuits may correspond to one of the display areas and each of the gate driving subcircuits may comprise a plurality of stage gate driving units. The control circuit may be configured to, when the foldable display panel is in a full screen display state, control a type of an input signal in a last stage gate driving unit of a bth gate driving subcircuit to be the same as a type of an input signal in a first stage gate driving unit of a (b+1)th gate driving subcircuit, where B is an integer greater than 1 and b is a positive integer less than B.
    Type: Application
    Filed: October 18, 2019
    Publication date: July 15, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Zheng, Libin Liu, Li Wang, Tian Dong, Guangliang Shang, Xinshe Yin
  • Publication number: 20210201840
    Abstract: The present disclosure is related to a driving circuit of a display panel. The driving circuit may include a turn-on voltage adjusting circuit. The turn-on voltage adjusting circuit may include a control subcircuit and a switching and voltage division subcircuit. The switching and voltage division subcircuit may include a switching subcircuit and a basic voltage division subcircuit. The switching subcircuit may be configured to perform voltage division of a signal outputted by the output terminal of the control subcircuit to form a voltage division feedback signal of the corresponding resolution under control of the control signal and output the voltage division feedback signal to the voltage division feedback node.
    Type: Application
    Filed: April 8, 2018
    Publication date: July 1, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangliang Shang, Liugang Zhou, Haoliang Zheng, Yaoqiu Jing, Mingfu Han, Seungwoo Han
  • Publication number: 20210193027
    Abstract: A shift register includes an input sub-circuit, a control sub-circuit, an output sub-circuit and a reset sub-circuit. The input sub-circuit is configured to transmit an input signal from an input signal terminal to a pull-up node. The control sub-circuit is configured to transmit a clock signal from a clock signal terminal to the control node. The output sub-circuit is configured to transmit a second voltage signal from a second voltage signal terminal to a first output signal terminal, and to transmit a first voltage signal from a first voltage signal terminal to the first output signal terminal. The reset sub-circuit is configured to transmit the second voltage signal to the control node to reset the control node, and to transmit a third voltage signal from the third voltage signal terminal to the pull-up node to reset the pull-up node.
    Type: Application
    Filed: October 30, 2020
    Publication date: June 24, 2021
    Inventors: Haoliang ZHENG, Dongni LIU, Minghua XUAN, Zhenyu ZHANG, Li XIAO, Liang CHEN, Hao CHEN, Guangliang SHANG, Lijun YUAN, Xing YAO
  • Publication number: 20210166601
    Abstract: The present disclosure provides a gate driving unit, a gate driving method, a gate driving circuitry and a display device. The gate driving unit includes a reverse-phase gate driving signal output end, a normal-phase gate driving signal output end, an input circuitry, an output control circuitry, an input node control circuitry and an output circuitry. The input circuitry is configured to control an input end to be electrically connected to an input node under the control of a first clock signal. The output control circuitry is configured to control a potential at an output node under the control of a potential at the input node and a second clock signal. The input node control circuitry is configured to control the potential at the input node in accordance with the potential at the output node under the control of the second clock signal.
    Type: Application
    Filed: March 18, 2020
    Publication date: June 3, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangliang SHANG, Lijun YUAN, Haoliang ZHENG, Libin LIU, XING YAO, Seungwoo HAN
  • Patent number: 11012274
    Abstract: A demultiplexer includes a voltage boost circuit and at least one data selection output circuit. The voltage boost circuit is coupled to N second-stage selection signal input terminals and N first-stage selection signal input terminals, N is greater than or equal to 2, and N is a positive integer. Each data selection output circuit is coupled to a data input terminal, N data output terminals and the N first-stage selection signal input terminals.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: May 18, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lijun Yuan, Haoliang Zheng, Guangliang Shang, Xing Yao, Mingfu Han
  • Patent number: 10991289
    Abstract: The present disclosure is related to a memory-in-pixel circuit. The memory-in-pixel circuit comprises a switch sub-circuit, and a data input sub-circuit. The data input sub-circuit comprises a first floating gate transistor and a second floating gate transistor. The data input sub-circuit is configured to transmit a data signal from one of a plurality of data lines to a pixel electrode under control of the switch sub-circuit.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: April 27, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangliang Shang, Chengyou Han, Mingfu Han, Lijun Yuan, Xing Yao, Haoliang Zheng
  • Patent number: 10964243
    Abstract: A shift register circuit according to an embodiment of the present disclosure includes an input sub-circuit and N-stage output sub-circuits. The input sub-circuit is configured to transmit an input signal to a pull up node at a first stage. The output sub-circuit at each stage is configured to transmit a clock signal from a clock signal terminal at a same stage to an output signal terminal at the same stage under the control of a pull-up node at the same stage. The output sub-circuit at each stage is further configured to transmit a signal transmitted to an output signal terminal at the same stage to a pull-up node at an immediately subsequent stage under the control of a shift control signal from a shift control signal terminal at the same stage.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: March 30, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lijun Yuan, Xing Yao, Guangliang Shang, Haoliang Zheng, Zhenyu Zhang
  • Publication number: 20210090484
    Abstract: A shift register unit, a driving method, a gate driving circuit and a display device are provided. The shift register unit includes a first gate driving output circuit and a second gate driving output circuit. The first gate driving output circuit is used to output a first gate driving signal through the first gate driving signal output terminal; the second gate driving output circuit is used to generate a second gate driving signal outputted simultaneously with the first gate driving signal based on the first gate driving signal, a first clock signal and a second clock signal. In the present disclosure, the second gate driving output circuit is added, the first gate driving signal, the first clock signal, and the second clock signal are used to generate an inverted second gate driving signal, so that positive and negative switching control signals are generated by one stage of shift register unit.
    Type: Application
    Filed: September 25, 2019
    Publication date: March 25, 2021
    Inventors: Guangliang SHANG, Can ZHENG, Jiangnan LU, Tian DONG, Libin LIU, Long HAN, Shiming SHI, Dawei WANG
  • Patent number: 10943552
    Abstract: A shift register unit cascaded in a gate drive circuit, wherein the shift register unit comprises: a control circuit configured to output a control signal, at least two buffer circuits coupled to the control circuit, each of the at least two buffer circuits configured to output scan signal to a gate line. As such, the scan signals output from the at least two buffer circuits would be synchronized so that the gate lines respectively coupled to the two buffer circuits can be scanned simultaneously.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: March 9, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiha Kim, Seungwoo Han, Guangliang Shang, Haoliang Zheng, Xing Yao, Zhichong Wang, Mingfu Han, Lijun Yuan, Yunsik Im, Jing Lv, Xue Dong
  • Publication number: 20210027699
    Abstract: Disclosed are a display panel and a display device. The display panel includes M rows and N columns of pixel units. The display panel is divided into R regions along a column direction, and an i-th region includes: (1+M(i?1)/R)-th row to a (Mi/R)-th row of pixel units. The display panel further includes M shift registers, M light emitting drivers, R light emitting control scan staring signal terminals, R scan start signal terminals for controlling time length and R scan start signal terminals for controlling current. An i-th row of pixel units is connected with an i-th shift register and an i-th light emitting driver, a light emitting driver connected to a first row of pixel units in the i-th region is connected with an i-th scan start signal terminal for controlling light emission.
    Type: Application
    Filed: June 18, 2020
    Publication date: January 28, 2021
    Inventors: Haoliang ZHENG, Minghua XUAN, Dongni LIU, Ning CONG, Zhenyu ZHANG, Lijun YUAN, Yi OUYANG, Guangliang SHANG
  • Patent number: 10902810
    Abstract: The present disclosure relates to an array substrate gate driving unit and an apparatus thereof, a driving method and a display apparatus. The array substrate gate driving unit includes: an input circuit, connected with an input signal terminal and a pull-up node PU; a pull-down circuit, connected with a first voltage signal terminal and the pull-up node PU; a pull-down control circuit, connected with the pull-down circuit via a pull-down node PD; an output circuit, connected with a clock signal terminal CLK, a second voltage signal terminal and a control circuit; a reset circuit, connected with a reset signal terminal Reset, the first voltage signal terminal and the pull-up node PU; and the control circuit, connected with the pull-up node PU and the output circuit.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: January 26, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Mingfu Han, Guangliang Shang, Xing Yao, Seung Woo Han, Jiha Kim, Haoliang Zheng, Lijun Yuan, Zhichong Wang
  • Publication number: 20210020090
    Abstract: Provided are a shift register and a driving method thereof, a gate driving circuit, and a display device. The shift register includes: an input circuit, configured to be coupled to an input signal end and a second clock signal end, respectively; a first transistor, where the first electrode of the first transistor is coupled to the output end of the input circuit, and the first transistor is a double-gate type transistor; the first gate of the first transistor is configured to be coupled to a first reference signal end, and the second gate of the first transistor is configured to be coupled to a first threshold control signal end; and an output circuit, configured to be coupled to a first clock signal end and a signal output end, respectively, where the control end of the output circuit is coupled to the second electrode of the first transistor.
    Type: Application
    Filed: March 25, 2019
    Publication date: January 21, 2021
    Inventors: Guangliang SHANG, Libin LIU, Can ZHENG, Yipeng CHEN, Xinshe YIN, Shiming SHI
  • Patent number: 10872572
    Abstract: The embodiments of the present disclosure provide a gate driving circuit and a method for controlling the same, and a display apparatus.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: December 22, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangliang Shang, Seungwoo Han, Lijun Yuan, Mingfu Han, Haoliang Zheng, Xing Yao, Zhenyu Zhang
  • Patent number: 10867687
    Abstract: A shift register unit and a method for driving the same, a gate drive circuitry and a display device are provided. The shift register unit includes: an output circuit, coupled to a first signal output terminal and a pull-up control node, and configured to receive a first clock signal and output the first clock signal to the first signal output terminal under control of a potential of the pull-up control node; an output control circuit, coupled to a signal input terminal, the pull-up control node and the first signal output terminal; a clock control circuit configured to receive a first clock signal and at least one additional clock signal and generate a second clock signal using the first clock signal and the at least one additional clock signal; and a transmission circuit coupled to a second signal output terminal and the pull-up control node.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: December 15, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing Yao, Mingfu Han, Guangliang Shang, Haoliang Zheng, Lijun Yuan, Zhenyu Zhang