Patents by Inventor Longyan Wang
Longyan Wang 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: 11436978Abstract: A pixel circuit includes a light-emitting module, a drive module configured to drive the light-emitting module to emit light according to a voltage of a control terminal of the drive module, a storage module configured to store the voltage of the control terminal of the drive module, and a leakage current suppression module electrically connected to the control terminal of the drive module and configured to maintain a potential of the control terminal of the drive module.Type: GrantFiled: June 16, 2021Date of Patent: September 6, 2022Assignee: HEFEI VISIONOX TECHNOLOGY CO., LTD.Inventors: Longfei Fan, Longyan Wang, Pei Duan, Hui Zhu, Zhenzhen Han, Siming Hu, Lu Zhang, Jianlong Wu
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Publication number: 20210312866Abstract: A pixel circuit includes a light-emitting module, a drive module configured to drive the light-emitting module to emit light according to a voltage of a control terminal of the drive module, a storage module configured to store the voltage of the control terminal of the drive module, and a leakage current suppression module electrically connected to the control terminal of the drive module and configured to maintain a potential of the control terminal of the drive module.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Applicant: HEFEI VISIONOX TECHNOLOGY CO., LTD.Inventors: Longfei FAN, Longyan WANG, Pei DUAN, Hui ZHU, Zhenzhen HAN, Siming HU, Lu ZHANG, Jianlong WU
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Patent number: 11011119Abstract: The present disclosure relates to an array substrate and a display screen. The array substrate includes a first gate drive unit located in the non-display area and corresponding to pixels in the special-shaped display region, and a second gate driving unit located in the non-display area and corresponding to pixels in the non-special-shaped display region. A width-length ratio of a first output transistor of the first gate driving unit is smaller than a width-length ratio of a second output transistor of the second gate driving unit.Type: GrantFiled: August 13, 2019Date of Patent: May 18, 2021Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.Inventors: Longfei Fan, Longyan Wang, Zhanjie Ma, Siming Hu, Zhenzhen Han, Hui Zhu
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Publication number: 20200388216Abstract: The present application discloses a display panel, a pixel circuit and a method for driving the pixel circuit. The pixel circuit includes a drive chip, a plurality of pixel circuit units and a plurality of detection circuit units, the pixel circuit unit including a first switch tube and an electroluminescent element. A first path end of the first switch tube is connected to an anode of the electroluminescent element. A control end of the first switch tube is connected to a scan signal end. The first path end of the second switch tube is connected to the anode of the electroluminescent elements via the pixel circuit unit.Type: ApplicationFiled: August 24, 2020Publication date: December 10, 2020Applicant: KunShan Go-Visionox Opto-Electronics Co., LtdInventors: Longfei FAN, Longyan WANG, Hui ZHU, Zhenzhen HAN, Siming HU, Jianlong WU, Lu ZHANG
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Patent number: 10815158Abstract: A selenium-rich enhancer for plant cultivation and preparation and application thereof. The selenium-rich enhancer contains: an organic selenocyano-compound. The organic selenocyano-compound is selected from one or a combination of the compounds of the structure of Formula I or Formula II, Formula I: R—SeCN, wherein, R is alkyl or aromatic groups; and Formula II: (R—SeCN)nA, wherein, R is alkyl or aromatic groups, n is an integer of 1-5, and A is a cation. The selenium-rich enhancer is employed to cultivate plants by utilizing the organic selenocyano-compound, and the survival rates, yields and organic selenium contents of plants are all improved. When pepper is planted by using that, the selenium content can reach more than 180 ?g/kg.Type: GrantFiled: December 21, 2016Date of Patent: October 27, 2020Assignee: WUHAN SUNEN-TECH CO., LTD.Inventors: Xike Tian, Longyan Wang, Lei Zhu, Huifen Ma, Ming Zhang, Dongyue Luo, Zhaoxin Zhou
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Patent number: 10679555Abstract: The present disclosure provides a compensating circuit. The compensating circuit includes a feedback module, and a driving transistor with a first gate, a second gate, a first electrode, and a second electrode. A first terminal of the feedback module is connected to a first voltage source and a second terminal of the feedback module is connected to the first electrode and the second gate of the driving transistor; and the first gate of the driving transistor is connected to a data line, and the second electrode of the driving transistor for outputting a driving current.Type: GrantFiled: August 14, 2015Date of Patent: June 9, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Longyan Wang, Yongqian Li
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Patent number: 10629124Abstract: A pixel driving circuit, a pixel driving method, an array substrate, a display device, and a display panel are disclosed. The pixel driving circuit includes a switching subcircuit, a plurality of clock signal lines, a data writing subcircuit and a driving subcircuit.Type: GrantFiled: May 19, 2017Date of Patent: April 21, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Quanhu Li, Yongqian Li, Pan Xu, Yu Wang, Song Meng, Fei Yang, Baoxia Zhang, Cuili Gai, Ling Wang, Yicheng Lin, Kun Cao, Longyan Wang, Yue Wu
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Patent number: 10607545Abstract: An OLED driving circuit, an array substrate and a display device are provided. The OLED driving circuit includes a plurality of driving TFTs and a plurality of sense TFTs. Each sense TFT is configured to compensate for a threshold voltage of the respective driving TFT. Each sense TFT corresponds to a respective one of the driving TFTs, a source electrode of each sense TFT is connected to a sense line, and a drain electrode thereof is connected to a drain electrode of the respective driving TFT. The plurality of sense TFTs is divided into a plurality of groups, each group includes at least two sense TFTs which share a same gate electrode and a same source electrode and are connected to a same sense line.Type: GrantFiled: June 30, 2017Date of Patent: March 31, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yicheng Lin, Quanhu Li, Cuili Gai, Baoxia Zhang, Longyan Wang, Ling Wang
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Patent number: 10546519Abstract: The embodiments of the present disclosure disclose a gate driving circuit and a display panel. In the gate driving circuit, a control unit of a shift register may input a dual pulse control signal to a first control terminal of an output unit; and the output unit outputs a scanning signal having a pulse width equal to a pulse period of the dual pulse control signal to a corresponding gate line under the control of the dual pulse control signal. In this way, the output unit is controlled by the control unit to output a scanning signal of which a pulse width may be modulated, so as to output a gate signal of which a pulse width may be modulated.Type: GrantFiled: March 22, 2017Date of Patent: January 28, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ling Wang, Quanhu Li, Longyan Wang, Baoxia Zhang, Cuili Gai, Yicheng Lin
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Patent number: 10510901Abstract: A thin film transistor and a fabrication method thereof, an array substrate and a display device are provided. The thin film transistor comprises a gate electrode, an active layer, a source electrode and a drain electrode. The source electrode and the drain electrode include a first conductive layer provided on the active layer, and an etching rate of a material of the first conductive layer is greater than an etching rate of a material of the active layer in an etching liquid. The problem that the active layer of the thin film transistor is easily corroded in a back channel etch process is avoided, a number of patterning processes is reduced, and fabrication cost is reduced.Type: GrantFiled: September 24, 2015Date of Patent: December 17, 2019Assignee: BOE Technology Group Co., Ltd.Inventors: Longyan Wang, Yongqian Li, Cuili Gai, Quanhu Li, Baoxia Zhang, Jingwen Yin, Kun Cao, Zhongyuan Wu, Gang Wang
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Publication number: 20190371251Abstract: The present disclosure relates to an array substrate and a display screen. The array substrate includes a first gate drive unit located in the non-display area and corresponding to pixels in the special-shaped display region, and a second gate driving unit located in the non-display area and corresponding to pixels in the non-special-shaped display region. A width-length ratio of a first output transistor of the first gate driving unit is smaller than a width-length ratio of a second output transistor of the second gate driving unit.Type: ApplicationFiled: August 13, 2019Publication date: December 5, 2019Inventors: Longfei FAN, Longyan WANG, Zhanjie MA, Siming HU, Zhenzhen HAN, Hui ZHU
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Patent number: 10438542Abstract: A detection circuit, a detection method and a pixel driving circuit are disclosed in the embodiments of the present disclosure. The detection circuit comprises a first detection unit, a second detection unit, a load unit, a light emitting device and a driving unit. The first detection module connected to the driving unit and the load unit. The second detection unit is connected to the light emitting device and the load unit.Type: GrantFiled: September 30, 2015Date of Patent: October 8, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yongqian Li, Longyan Wang, Cuili Gai
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Patent number: 10276098Abstract: There are provided in the present disclosure a pixel driving circuit, an array substrate and a display apparatus.Type: GrantFiled: October 30, 2015Date of Patent: April 30, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Cuili Gai, Kun Cao, Baoxia Zhang, Yongqian Li, Quanhu Li, Longyan Wang, Jingwen Yin
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Patent number: 10249613Abstract: An electrostatic discharge device comprises a transistor with one of its source and drain serving as an input terminal of said device and the other serving as an output terminal. Said transistor comprises: a first conductive layer used as a first floating gate; a first insulating layer covering said first conductive layer; an active layer on said first insulating layer; a second insulating layer covering said active layer; a second conductive layer used as a second floating gate and on said second insulating layer; a third insulating layer covering said second conductive layer; a third conductive layer and a fourth conductive layer on said third insulating layer and on both sides of the active layer, said third conductive layer being isolated from the fourth conductive layer, wherein said third conductive layer serves as one of the source and the drain and said fourth conductive layer serves as the other.Type: GrantFiled: May 15, 2017Date of Patent: April 2, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Cuili Gai, Longyan Wang, Ling Wang, Quanhu Li, Yi-cheng Lin
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Publication number: 20190066588Abstract: An OLED driving circuit, an array substrate and a display device are provided. The OLED driving circuit includes a plurality of driving TFTs and a plurality of sense TFTs. Each sense TFT is configured to compensate for a threshold voltage of the respective driving TFT. Each sense TFT corresponds to a respective one of the driving TFTs, a source electrode of each sense TFT is connected to a sense line, and a drain electrode thereof is connected to a drain electrode of the respective driving TFT. The plurality of sense TFTs is divided into a plurality of groups, each group includes at least two sense TFTs which share a same gate electrode and a same source electrode and are connected to a same sense line.Type: ApplicationFiled: June 30, 2017Publication date: February 28, 2019Applicant: BOE Technology Group Co., Ltd.Inventors: Yicheng Lin, Quanhu Li, Cuili Gai, Baoxia Zhang, Longyan Wang, Ling Wang
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Publication number: 20190051243Abstract: A pixel driving circuit, a pixel driving method, an array substrate, a display device, and a display panel are disclosed. The pixel driving circuit includes a switching subcircuit, a plurality of clock signal lines, a data writing subcircuit and a driving subcircuit.Type: ApplicationFiled: May 19, 2017Publication date: February 14, 2019Inventors: Quanhu LI, Yongqian LI, Pan XU, Yu WANG, Song MENG, Fei YANG, Baoxia ZHANG, Cuili GAI, Ling WANG, Yicheng LIN, Kun CAO, Longyan WANG, Yue WU
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Publication number: 20180358353Abstract: An electrostatic discharge device comprises a transistor with one of its source and drain serving as an input terminal of said device and the other serving as an output terminal. Said transistor comprises: a first conductive layer used as a first floating gate; a first insulating layer covering said first conductive layer; an active layer on said first insulating layer; a second insulating layer covering said active layer; a second conductive layer used as a second floating gate and on said second insulating layer; a third insulating layer covering said second conductive layer; a third conductive layer and a fourth conductive layer on said third insulating layer and on both sides of the active layer, said third conductive layer being isolated from the fourth conductive layer, wherein said third conductive layer serves as one of the source and the drain and said fourth conductive layer serves as the other.Type: ApplicationFiled: May 15, 2017Publication date: December 13, 2018Inventors: Cuili GAI, Longyan WANG, Ling WANG, Quanhu LI, Yi-cheng LIN
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Publication number: 20180282236Abstract: A selenium-rich enhancer for plant cultivation and preparation and application thereof. The selenium-rich enhancer contains: an organic selenocyano-compound. The organic selenocyano-compound is selected from one or a combination of the compounds of the structure of Formula I or Formula II, Formula I: R—SeCN, wherein, R is alkyl or aromatic groups; and Formula II: (R—SeCN)nA, wherein, R is alkyl or aromatic groups, n is an integer of 1-5, and A is a cation. The selenium-rich enhancer is employed to cultivate plants by utilizing the organic selenocyano-compound, and the survival rates, yields and organic selenium contents of plants are all improved. When pepper is planted by using that, the selenium content can reach more than 180 ?g/kg.Type: ApplicationFiled: December 21, 2016Publication date: October 4, 2018Inventors: Longyan WANG, Lei ZHU, Huifen MA, Ming ZHANG, Dongyue LUO, Zhaoxin ZHOU, Xike TIAN
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Publication number: 20180233082Abstract: The present disclosure provides a compensating circuit. The compensating circuit includes a feedback module (101), and a driving transistor with a first gate, a second gate, a first electrode, and a second electrode. A first terminal of the feedback module (101) is connected to a first voltage source and a second terminal of the feedback module (101) is connected to the first electrode and the second gate of the driving transistor; and the first gate of the driving transistor is connected to a data line, and the second electrode of the driving transistor for outputting a driving current.Type: ApplicationFiled: August 14, 2015Publication date: August 16, 2018Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Longyan Wang, Yongqian Li
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Publication number: 20180204495Abstract: The embodiments of the present disclosure disclose a gate driving circuit and a display panel. In the gate driving circuit, a control unit of a shift register may input a dual pulse control signal to a first control terminal of an output unit; and the output unit outputs a scanning signal having a pulse width equal to a pulse period of the dual pulse control signal to a corresponding gate line under the control of the dual pulse control signal. In this way, the output unit is controlled by the control unit to output a scanning signal of which a pulse width may be modulated, so as to output a gate signal of which a pulse width may be modulated.Type: ApplicationFiled: March 22, 2017Publication date: July 19, 2018Inventors: Ling Wang, Quanhu Li, Longyan Wang, Baoxia Zhang, Cuili Gai, Yicheng Lin