Patents by Inventor Yuanbo Zhang
Yuanbo Zhang 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).
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Patent number: 10217391Abstract: 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: GrantFiled: September 18, 2016Date of Patent: February 26, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangliang Shang, Xing Yao, Seungwoo Han, Yujie Gao, Yuanbo Zhang, Ming Chen, Jungmok Jun, Xue Dong
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Patent number: 10210944Abstract: An inverter and a method for driving the inverter, a gate driver on array (GOA) unit, a GOA circuit and a display device relate to a technical field of display, and are proposed to supply stable inverter output signal. The inverter comprises a control module and an output module. The control module is configured to control a voltage at a control node under the control of a first clock signal at a first clock signal terminal, a second clock signal at a second clock signal terminal, an input signal at an input terminal and voltages at a first level terminal and a second level terminal. The output module is configured to set a voltage at the output terminal to the voltage at the first level terminal or the voltage at the second level terminal under the control of the control node and the input signal at the input terminal.Type: GrantFiled: May 25, 2016Date of Patent: February 19, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Seung Woo Han, Yuanbo Zhang
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Publication number: 20180350315Abstract: The present application relates to a gate drive unit circuit, comprising an input unit, an output unit, a pull-up node control unit, a pull-down node control unit and a pull-down unit. The input unit is used for transmitting a signal inputted by a first input signal terminal to a first node. The pull-up node control unit is used for transmitting a signal inputted by a first voltage terminal or a second voltage terminal to a pull-up node. The output unit is used for transmitting a signal inputted by a first control signal terminal to an output signal terminal. The pull-down node control unit is used for transmitting the input inputted by the first voltage terminal or the second voltage terminal to a pull-down node. The pull-down unit is used for transmitting a signal inputted by the second voltage terminal to the output signal terminal.Type: ApplicationFiled: February 29, 2016Publication date: December 6, 2018Inventors: Yuanbo ZHANG, Seungwoo HAN, Xing YAO
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Publication number: 20180300033Abstract: The present disclosure provides a display method and a display device. There is provided a display method for a display, wherein the display method comprises the following steps: detecting movement data of the display by a motion detection mechanism, wherein the movement data comprises at least a movement direction of the display; and changing a region of an object currently displayed by the display which is displayed on a display screen according to the movement data of the display.Type: ApplicationFiled: March 30, 2017Publication date: October 18, 2018Inventors: Shuai CHEN, Zhi ZHANG, Shaoru LI, Hui Che LIN, Zhihui WANG, Siqing FU, Lisheng LIANG, Yuanbo ZHANG, Xin LIU
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Patent number: 10073536Abstract: In one example, a computing device includes at least one processor configured to output for display, a graphical keyboard. The at least one processor may also be configured to model, in a first lattice, a plurality of candidate character strings that include symbols of a first alphabet. The first lattice may indicate spatial probabilities of the plurality of candidate character strings. The at least one processor may be configured to determine, using a second lattice that indicates probabilities of one or more words of a second language based at least in part on the spatial probabilities of the plurality of candidate character strings, a probability that the at least one of the plurality of candidate character strings corresponds to at least one word included in the second language. The at least one processor may be configured to output for display, the one or more symbols representing at least one word.Type: GrantFiled: March 15, 2013Date of Patent: September 11, 2018Assignee: Google LLCInventors: Liangyi Ou, Zhe Su, Yuanbo Zhang, Jie Pan, Song Fu, Zhiheng Li, Ruiyi Chen, Robert Stuart Jung
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Publication number: 20180233210Abstract: 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: ApplicationFiled: August 25, 2016Publication date: August 16, 2018Applicant: 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
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Patent number: 10050061Abstract: An array substrate, a manufacturing method of the array substrate and a display device including the array substrate are disclosed. The array substrate includes a substrate (1), a common electrode layer (401) located on the substrate (1) and a conductive layer (2) provided on a surface of the substrate (1), the conductive layer (2) and the common electrode layer (401) are electrically connected in parallel. The common electrode and the conductive layer are formed into a parallel structure, so that the resistance can be decreased, and in turn, crosstalk, greenish and other phenomenon of the array substrate are reduced, thereby promoting the picture quality of the display device.Type: GrantFiled: December 10, 2013Date of Patent: August 14, 2018Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuanbo Zhang, Wei Qin, Seung Woo Han, Ruoyu Ma
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Patent number: 10037737Abstract: The present disclosure provides a common voltage adjustment circuit, a common voltage adjustment method, a display panel and a display device. The common voltage adjustment circuit includes: a filter unit; and a control unit configured to, at a compensation stage, enable a common voltage feedback line to be electrically disconnected from a second input end of a common voltage negative-feedback amplification unit and enable a reference common voltage output end to be electrically connected to the second input end of the common voltage negative-feedback amplification unit through the filter unit, and at a non-compensation stage, enable the common voltage feedback line to be electrically connected to the second input end of the common voltage negative-feedback amplification unit and enable the reference common voltage output end to be electrically disconnected from the second input end of the common voltage negative-feedback amplification unit.Type: GrantFiled: August 10, 2017Date of Patent: July 31, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Shuai Chen, Zhi Zhang, Lijun Xiao, Yuanbo Zhang
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Publication number: 20180203287Abstract: The present disclosure provides a display substrate, a display panel, a display device and a method for producing the display substrate. The display substrate includes a base substrate and a black matrix formed on the base substrate, the black matrix having physical portions and a first gap region between the physical portions, the first gap region being aligned with a clock signal line of a gate driving circuit on an opposite substrate, wherein at least one layer of first color resist is provided in the first gap region.Type: ApplicationFiled: April 17, 2017Publication date: July 19, 2018Inventors: Xiaolin Wang, Yuanbo Zhang
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Publication number: 20180204494Abstract: 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: ApplicationFiled: September 18, 2016Publication date: July 19, 2018Inventors: Guangliang Shang, Xing Yao, Seungwoo Han, Yujie Gao, Yuanbo Zhang, Ming Chen, Jungmok Jun, Xue Dong
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Publication number: 20180204496Abstract: The present disclosure provides a GOA unit circuit, a method for driving the same, and a GOA circuit. The GOA unit circuit comprises a first input sub-circuit, a pull-up sub-circuit, a first pull-down sub-circuit, a reset sub-circuit, a second input sub-circuit, a noise control sub-circuit, a first de-noising sub-circuit, and a second de-noising sub-circuit. The first pull-down sub-circuit is connected to an output signal terminal, a first clock control signal terminal and a discharge signal terminal, a discharge signal provided by the discharge signal terminal is at a high level higher than that of an input signal provided by the input signal terminal, and the first pull-down sub-circuit is configured to discharge the output signal terminal under the control of the first clock control signal and the discharge signal, to pull down a potential at the output signal terminal to a low level. The GOA unit circuit is configured to drive gate lines of a display apparatus.Type: ApplicationFiled: May 22, 2017Publication date: July 19, 2018Inventors: Yuanbo Zhang, Shuai Chen
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Patent number: 9905155Abstract: The present disclosure provides a gate driver circuit including at least one set of clock signal lines and multiple levels of shift registers arranged in a cascaded manner. Each set of the clock signal lines includes two clock signal lines. The multiple levels of shift registers is divided into at least one set, and each set of the clock signal lines corresponds to a set of the shift registers. One clock signal line in each set of the clock signal lines is connected to a resetting signal input end of a last-level shift register in the set of the shift registers corresponding to the set of the clock signal lines. The present disclosure further provides an array substrate, a display device and a method for driving the gate driver circuit.Type: GrantFiled: July 24, 2015Date of Patent: February 27, 2018Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuanbo Zhang, Seungwoo Han, Haoliang Zheng
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Publication number: 20180047357Abstract: The present disclosure provides a common voltage adjustment circuit, a common voltage adjustment method, a display panel and a display device. The common voltage adjustment circuit includes: a filter unit; and a control unit configured to, at a compensation stage, enable a common voltage feedback line to be electrically disconnected from a second input end of a common voltage negative-feedback amplification unit and enable a reference common voltage output end to be electrically connected to the second input end of the common voltage negative-feedback amplification unit through the filter unit, and at a non-compensation stage, enable the common voltage feedback line to be electrically connected to the second input end of the common voltage negative-feedback amplification unit and enable the reference common voltage output end to be electrically disconnected from the second input end of the common voltage negative-feedback amplification unit.Type: ApplicationFiled: August 10, 2017Publication date: February 15, 2018Applicants: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Shuai CHEN, Zhi ZHANG, Lijun XIAO, Yuanbo ZHANG
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Patent number: 9886120Abstract: There is provided a gate driving circuit and driving method thereof, and display apparatus. The method comprises: performing gate drive scanning on shift register units located in a first region in the gate driving circuit; performing touch scanning after the gate drive scanning of the shift register units in the first region is completed; scanning again a last stage of shift register unit located in the first region before the touch scanning is completed, so that the last stage of shift register unit located in the first region pre-charges a first stage of shift register unit located in a second region; and performing gate drive scanning on shift register units located in the second region in the gate driving circuit, the last stage of shift register unit located in the first region connected in cascades with the first stage of shift register unit located in the second region.Type: GrantFiled: October 15, 2014Date of Patent: February 6, 2018Assignee: BOE Technology Group Co., Ltd.Inventors: Yuanbo Zhang, Jiayang Zhao, Seung Woo Han, Xiangxiang Zou
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Patent number: 9842552Abstract: A data driving circuit comprises a plurality of driving units, each of the driving units comprising first, second, third and fourth switch units, each of the switch units comprising first and second input terminals and an output terminal; the output terminals being output terminals of the data driving circuit; two data control terminals, one of which is respectively connected to the first input terminals of the first switch unit and the second switch unit, the other of which is respectively connected to the first input terminals of the third switch unit and the fourth switch unit; a first switching control terminal, connected to the second input terminal of one of the switch units connected to the same data control terminal; a second switching control terminal, connected to the second input terminal of the other of the switch units connected to the same data control terminal.Type: GrantFiled: May 28, 2014Date of Patent: December 12, 2017Assignee: BOE Technology Group Co., Ltd.Inventors: Seung Woo Han, Yuanbo Zhang, Yoon Sung Um
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Patent number: 9805683Abstract: The present invention discloses a Gate-driver-On-Array (GOA) circuit and the driving method thereof and a display device. The GOA circuit comprises a driving module, a low-resolution module and at least two high-resolution modules, the driving module being connected with the low-resolution module and the at least two high-resolution modules respectively; wherein, the driving module is used to output control signal to the low-resolution module and the high-resolution modules; the low-resolution module is used to output a low-resolution signal to at least two rows of pixels under the control of the control signal during low-resolution display; and each high-resolution module is used to output a high-resolution signal to corresponding one row of pixels under the control of the control signal during high-resolution display. The GOA circuit of the present invention may be used to drive multiple rows of pixels and implement the switching between low resolution display and high resolution display.Type: GrantFiled: August 18, 2015Date of Patent: October 31, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xing Yao, Seungwoo Han, Yuanbo Zhang
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Patent number: 9703413Abstract: Provided are a driving unit for a touch electrode, a driving circuit, a touch panel and a driving method, wherein the driving unit comprises: a signal conversion unit configured to convert a signal input from the signal input terminal under the control of a clock signal and output the conversion result; a logic computation unit configured to perform a logic computation on the input signal and the touch enable signal and output the computation result; a buffer unit connected to an output terminal of the logic computation unit; and an output unit connected to an output terminal of the buffer unit and configured to output a touch scan signal to the touch driving electrode under the control of a signal output by the buffer unit. The driving circuit comprising multiple stages of driving unit described in the above can be directly integrated in the array substrate.Type: GrantFiled: December 12, 2014Date of Patent: July 11, 2017Assignee: BOE Technology Group Co., Ltd.Inventors: Yuanbo Zhang, Seung Woo Han, Yun Sik Im
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Patent number: 9690419Abstract: The present disclosure provides a gate driving circuit and a driving method thereof, a display device, which relates to the field of display technology. The gate driving circuit may comprise a plurality of mutually cascaded shift register units and a pre-charging unit, the gate row drive scanning and touch control scanning of the plurality of mutually cascaded shift register units are performed alternately. By additionally arranging a pre-charging unit connected with the corresponding first stage of shift register unit when the gate row drive scanning is performed again after the touch control scanning is accomplished, the first stage of shift register unit can be pre-charged during the touch control scanning.Type: GrantFiled: July 31, 2014Date of Patent: June 27, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuanbo Zhang, Jiayang Zhao, Seungwoo Han, Xiangxiang Zou
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Patent number: 9685134Abstract: The present invention provides a shift register unit, a gate driving circuit and a display device, which belongs to the field of display technology. The shift register unit of the present invention comprises: an input module, a pull-up module, a pull-down control module, a pull-down module, a reset module and a discharge module.Type: GrantFiled: March 19, 2015Date of Patent: June 20, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuanbo Zhang, Seungwoo Han, Yunsik Im
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Patent number: 9679512Abstract: A shift register and driving method thereof, gate driving circuit, and display apparatus are provided. The shift register comprises: first input module configured to pull up potential of first node under the effect of signal received by input terminal; output module configured to pull up potential of output terminal under the effect of the potential of the first node; reset module configured to pull down the potential of the first node under the effect of signal received by reset terminal; and output pulling-down module configured to pull down the potential of the output terminal under the effect of first clock signal, wherein the above identified modules are connected to the first node; and second input module configured to connect the input terminal to the first node within operation time of the first input module and the output pulling-down module under the effect of the first clock signal.Type: GrantFiled: July 28, 2015Date of Patent: June 13, 2017Assignee: BOE Technology Group Co., Ltd.Inventors: Yuanbo Zhang, Seung Woo Han, Yun Sik Im