Patents by Inventor ZHIFU DONG
ZHIFU DONG 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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Publication number: 20240126125Abstract: Provided are a display substrate and a display device. The display substrate includes a display region and a border region located at the periphery of the display region. The border region includes a border sealant, and a plurality of normal shift register units and a plurality of dummy shift register units that are arranged in sequence. The display substrate also includes a plurality of gate lines, at least part of the gate lines is located in the display region; at least one of the dummy shift register units is staggered from the normal shift register units in an extending direction of the gate line, and the at least one of the dummy shift register units is staggered from the normal shift register units in a direction away from the border sealant.Type: ApplicationFiled: February 28, 2022Publication date: April 18, 2024Applicants: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shouqiang Zhang, Zhifu Dong, Weijie Wang
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Patent number: 11841615Abstract: A mask includes a first light-transmitting portion. The first light-transmitting portion includes a target region and at least one compensation region connected to the target region. A planar pattern of the target region includes a plurality of corners, and a planar pattern of each compensation region extends from one of the plurality of corners. An area of the planar pattern of each compensation region is less than an area of the planar pattern of the target region.Type: GrantFiled: May 26, 2020Date of Patent: December 12, 2023Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shouqiang Zhang, Wenlin Mei, Zhuo Xu, Pengcheng Fu, Zhifu Dong
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Patent number: 11249595Abstract: Provided are a shift register unit of a gate driving circuit (GOA), a gate driving circuit and a driving method. The shift register unit includes an input sub-circuit, configured to output an input signal to a first node; a pull-up control sub-circuit, configured to charge a pull-up node through a first power supply terminal under the control of a potential of the first node; an output sub-circuit, configured to output a clock signal of a clock signal terminal to an output terminal under the control of a potential of the pull-up node; a first touch control sub-circuit configured to pull down levels of the pull-up node and the output terminal to a second potential through the second power supply terminal under the control of a touch control keeping signal of the touch control keeping signal terminal.Type: GrantFiled: April 17, 2018Date of Patent: February 15, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wei Xue, Silin Feng, Zhifu Dong
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Patent number: 11237662Abstract: Embodiments of the present disclosure provide a touch display substrate, a method for manufacturing the same, a driving method thereof, and a display device thereof. The touch display substrate includes a substrate, a plurality of electrode blocks, independent of each other and arranged in an array, disposed on the substrate, and a switching device disposed between the adjacent electrode blocks. The electrode block is configured to receive a common voltage during a display period and receive a touch scan signal during a touch period. The switching device is configured to electrically connect the adjacent electrode blocks during the display period and electrically isolate the adjacent electrode blocks from each other during the touch period.Type: GrantFiled: June 8, 2018Date of Patent: February 1, 2022Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Liqing Liao, Hongmin Li, Zhifu Dong
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Patent number: 11231795Abstract: The present application discloses a touch control array substrate having a plurality of subpixel areas. The touch control army substrate includes a base substrate; an array of a plurality of touch electrode blocks on the base substrate; a plurality of touch signal lines respectively electrically connected to the plurality of touch electrode blocks; and a plurality of auxiliary conductive lines. A first touch electrode block of the plurality of touch electrode blocks is electrically connected to at least a first auxiliary conductive line of the plurality of auxiliary conductive lines at at least two different portions of the first touch electrode block.Type: GrantFiled: December 15, 2017Date of Patent: January 25, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., Hefei BOE Optoelectronics Technology Co., Ltd.Inventors: Jian Tao, Hongmin Li, Fengjing Tang, Zhifu Dong, Wei Xue
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Patent number: 11175553Abstract: A circuit substrate has a first area and a second area. The second area includes a rounded corner region and a first rectangular region connected to the rounded corner region. The first rectangular region extends along a second direction. The circuit substrate includes: a plurality of gate lines disposed in the first area, and a gate driver on array (GOA) circuit disposed in the second area. The GOA circuit including at least one GOA unit disposed in the rounded corner region and a GOA unit disposed in the first rectangular region. Along the first direction, a length of a GOA unit in the rounded corner region is less than a length of the GOA unit in the first rectangular region; and along the second direction, a width of the GOA unit in the rounded corner region is greater than a width of the GOA unit in the first rectangular region.Type: GrantFiled: June 30, 2020Date of Patent: November 16, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangqi Yu, Zhifu Dong, Xiaolin Wang, Jungho Park, Shouqiang Zhang, Pengyue Zhang
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Patent number: 11119618Abstract: The present disclosure is related to a substrate. The substrate may include a plurality of electrode patterns. Each of the plurality of the electrode patterns may include a first electrode and a plurality of second electrodes connected to the first electrode. A shape of second electrodes of an electrode pattern may be complementary to a shape of second electrodes of at least one electrode pattern adjacent to the electrode pattern.Type: GrantFiled: April 9, 2018Date of Patent: September 14, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ying Wang, Hongmin Li, Dong Wang, Zhifu Dong, Jian Tao, Li Sun
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Publication number: 20210278919Abstract: Embodiments of the present disclosure provide a touch display substrate, a method for manufacturing the same, a driving method thereof, and a display device thereof. The touch display substrate includes a substrate, a plurality of electrode blocks, independent of each other and arranged in an array, disposed on the substrate, and a switching device disposed between the adjacent electrode blocks. The electrode block is configured to receive a common voltage during a display period and receive a touch scan signal during a touch period. The switching device is configured to electrically connect the adjacent electrode blocks during the display period and electrically isolate the adjacent electrode blocks from each other during the touch period.Type: ApplicationFiled: June 8, 2018Publication date: September 9, 2021Inventors: Liqing LIAO, Hongmin LI, Zhifu DONG
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Publication number: 20210225252Abstract: Provided are a shift register unit of a gate driving circuit (GOA), a gate driving circuit and a driving method. The shift register unit includes an input sub-circuit, configured to output an input signal to a first node; a pull-up control sub-circuit, configured to charge a pull-up node through a first power supply terminal under the control of a potential of the first node; an output sub-circuit, configured to output a clock signal of a clock signal terminal to an output terminal under the control of a potential of the pull-up node; a first touch control sub-circuit configured to pull down levels of the pull-up node and the output terminal to a second potential through the second power supply terminal under the control of a touch control keeping signal of the touch control keeping signal terminal.Type: ApplicationFiled: April 17, 2018Publication date: July 22, 2021Inventors: Wei XUE, Silin FENG, Zhifu DONG
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Patent number: 11069272Abstract: A shift register, a gate drive circuit, a display panel, and a driving method. The shift register includes: an input circuit, which is connected to a pull-up node and an input signal terminal respectively; an output circuit, which is connected to the pull-up node, a clock signal terminal, a direct current signal terminal and an input terminal respectively, wherein the clock signal terminal provides a clock signal, the direct current signal terminal provides a direct current signal, and the output circuit outputs a scanning signal from the output terminal; and an output pull-down circuit, which is connected to the output circuit. The output circuit is configured to output a scanning signal from the output terminal as one from among the direct current signal and the clock signal when a first output condition is satisfied.Type: GrantFiled: August 29, 2018Date of Patent: July 20, 2021Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Silin Feng, Zhifu Dong, Wei Xue, Hongmin Li
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Publication number: 20210216170Abstract: The present disclosure is related to a substrate. The substrate may include a plurality of electrode patterns. Each of the plurality of the electrode patterns may include a first electrode and a plurality of second electrodes connected to the first electrode. A shape of second electrodes of an electrode pattern may be complementary to a shape of second electrodes of at least one electrode pattern adjacent to the electrode pattern.Type: ApplicationFiled: April 9, 2018Publication date: July 15, 2021Applicants: BOE Technology Group Co., Ltd., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ying Wang, Hongmin Li, Dong Wang, Zhifu Dong, Jian Tao, Li Sun
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Publication number: 20210208760Abstract: The present application discloses a touch control array substrate having a plurality of subpixel areas. The touch control army substrate includes a base substrate; an array of a plurality of touch electrode blocks on the base substrate; a plurality of touch signal lines respectively electrically connected to the plurality of touch electrode blocks; and a plurality of auxiliary conductive lines. A first touch electrode block of the plurality of touch electrode blocks is electrically connected to at least a first auxiliary conductive line of the plurality of auxiliary conductive lines at at least two different portions of the first touch electrode block.Type: ApplicationFiled: December 15, 2017Publication date: July 8, 2021Applicants: BOE TECHNOLOGY GROUP CO., LTD., Hefei BOE Optoelectronics Technology Co., Ltd.Inventors: Jian Tao, Hongmin Li, Fengjing Tang, Zhifu Dong, Wei Xue
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Patent number: 10930198Abstract: The disclosure relates to a shift register unit, a driving method of shift register units, a gate driving circuit and a display panel. The shift register unit includes: an input module, a pull-up module, a storage capacitor, an output module configured to transmit a first voltage signal to a signal output terminal under the control of the first voltage signal; and an output control module configured to transmit the first voltage signal or a second power signal to the signal output terminal under the control of the voltage signal of the pull-up node and a first selection signal, and to transmit the first voltage signal or the second power signal to the signal output terminal under the control of the voltage signal of the pull-up node and a second selection signal.Type: GrantFiled: October 30, 2018Date of Patent: February 23, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Fengjing Tang, Zhifu Dong, Jian Tao, Hongmin Li
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Publication number: 20210033961Abstract: A mask includes a first light-transmitting portion. The first light-transmitting portion includes a target region and at least one compensation region connected to the target region. A planar pattern of the target region includes a plurality of corners, and a planar pattern of each compensation region extends from one of the plurality of corners. An area of the planar pattern of each compensation region is less than an area of the planar pattern of the target region.Type: ApplicationFiled: May 26, 2020Publication date: February 4, 2021Applicants: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTDInventors: Shouqiang ZHANG, Wenlin MEI, Zhuo XU, Pengcheng FU, Zhifu DONG
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Patent number: 10890789Abstract: The present disclosure relates to a mask and a manufacturing method thereof as well as a display device, the mask includes a transmittable substrate and a mask pattern formed on the transmittable substrate, wherein a transmittance of the transmittable substrate decreases gradually from the edge to the center.Type: GrantFiled: September 30, 2017Date of Patent: January 12, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ping Song, Hongmin Li, Zhifu Dong, Wei Xue, Liqing Liao
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Publication number: 20210003897Abstract: A circuit substrate has a first area and a second area. The second area includes a rounded corner region and a first rectangular region connected to the rounded corner region. The first rectangular region extends along a second direction. The circuit substrate includes: a plurality of gate lines disposed in the first area, and a gate driver on array (GOA) circuit disposed in the second area. The GOA circuit including at least one GOA unit disposed in the rounded corner region and a GOA unit disposed in the first rectangular region. Along the first direction, a length of a GOA unit in the rounded corner region is less than a length of the GOA unit in the first rectangular region; and along the second direction, a width of the GOA unit in the rounded corner region is greater than a width of the GOA unit in the first rectangular region.Type: ApplicationFiled: June 30, 2020Publication date: January 7, 2021Inventors: Guangqi YU, Zhifu DONG, Xiaolin WANG, Jungho PARK, Shouqiang ZHANG, Pengyue ZHANG
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Patent number: 10818259Abstract: According to one aspect of this disclosure, a scanning trigger unit includes a clock signal terminal, a first signal input terminal, a fixed level signal terminal, a first input sub-circuit, an output sub-circuit, a first holding sub-circuit, and a signal output terminal. The first input sub-circuit is connected to the first signal input terminal and a control node, and is configured to provide a first valid signal to the control node; the output sub-circuit is connected to the fixed level signal terminal, the clock signal terminal, and the control node, and is configured to provide a second valid signal to the signal output terminal; and the first holding sub-circuit is connected to the fixed level signal terminal and the signal output terminal, and is configured to hold the second valid signal at the signal output terminal for a predetermined time.Type: GrantFiled: September 12, 2018Date of Patent: October 27, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wei Xue, Silin Feng, Zhifu Dong, Hongmin Li
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Patent number: 10770002Abstract: A shift register circuit includes an input terminal, a reset terminal, a first scan voltage terminal, a second scan voltage terminal, a first reference voltage terminal, a second reference voltage terminal, a clock terminal, an output terminal, an input circuit, a first control circuit, a second control circuit, and an output circuit. The first control circuit is configured to supply a second reference voltage applied at the second reference voltage terminal to a first node and bring the second reference voltage terminal into conduction with the output terminal in response to a second node being at an active potential. The second control circuit is configured to supply a first reference voltage applied at the first reference voltage terminal to the first node and bring the first reference voltage terminal into conduction with the output terminal in response to a third node being at an active potential.Type: GrantFiled: September 18, 2018Date of Patent: September 8, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wei Xue, Hongmin Li, Zhifu Dong, Fengjing Tang
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Publication number: 20200225513Abstract: The present disclosure relates to a mask and a manufacturing method thereof as well as a display device, the mask includes a transmittable substrate and a mask pattern formed on the transmittable substrate, wherein a transmittance of the transmittable substrate decreases gradually from the edge to the center.Type: ApplicationFiled: September 30, 2017Publication date: July 16, 2020Inventors: Ping SONG, Hongmin LI, Zhifu DONG, Wei XUE, Liqing LIAO
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Patent number: 10698278Abstract: The embodiments of the present disclosure provide an array substrate, display panel and display apparatus. The array substrate comprises a plurality of gate lines extending in a row direction; a plurality of data lines extending in a column direction; and an array comprising a plurality of pixels. Each column of pixels of the plurality of pixels are coupled to two data lines of the plurality of data lines, the two data lines are configured to provide same data signal for displaying an image to the column of pixels, a first data line of the two data lines and a second data line of the two data lines are arranged at both sides of the column of pixels along the row direction, respectively. The array substrate, display panel and display apparatus according to the embodiments of the present disclosure can greatly reduce coupling capacitance between a pixel electrode and a data line, thereby an effect of reducing crosstalk can be achieved.Type: GrantFiled: December 19, 2017Date of Patent: June 30, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhifu Dong, Wei Xue, Hongmin Li, Liqing Liao