Patents by Inventor Liqing LIAO
Liqing LIAO 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: 10658061Abstract: A shift register circuit, a driving method, a gate driving circuit, and a display device are provided. The shift register circuit includes a clock signal adjustment circuit and a self-control conduction circuit; the clock signal adjustment circuit includes a first clock signal input terminal, a second clock signal input terminal, and a clock signal adjustment output terminal; the clock signal adjusting circuit is configured to, in the case that the first clock signal and the second clock signal are both at a second level, output a first level via a clock signal adjustment output terminal; the self-control conduction circuit is configured to, in the case that the pull-up node is at the first level, control the clock signal adjustment output terminal connect with a pull-up node, or in the case that the pull-up node is at a second level, disconnect the clock signal adjustment output terminal from the pull-up node.Type: GrantFiled: August 21, 2018Date of Patent: May 19, 2020Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Liqing Liao, Hongmin Li, Zhifu Dong, Silin Feng
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Patent number: 10578910Abstract: The present disclosure relates to a substrate for a display panel, a display panel and a display device. The substrate according to the present disclosure comprises a base doped with upconverting ions capable of converting an infrared light beam into a visible light beam, the base is made of microcrystalline glass, and the microcrystalline glass comprises at least one of matrix materials NaYF4 and NaGdF4. The substrate according to the present disclosure may be used for any of a color filter substrate, an array substrate and a coverplate of the display panel.Type: GrantFiled: March 29, 2018Date of Patent: March 3, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Liqing Liao, Zhifu Dong, Dong Wang, Hongmin Li
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Publication number: 20190333943Abstract: A display substrate and a display device. The display substrate includes a signal line, an electro-static lead-out line, and an electro-static discharge unit including a first thin film transistor, a third thin film transistor and a fourth thin film transistor; a drain electrode and a gate electrode of the first thin film transistor are connected to the signal line; a source electrode of the first thin film transistor, a gate electrode of the third thin film transistor and a gate electrode of the fourth thin film transistor are connected to a first node; a drain electrode of the third thin film transistor and a drain electrode of the fourth thin film transistor are connected to the signal line; a source electrode of the third thin film transistor and a source electrode of the fourth thin film transistor are connected to the electro-static lead-out line.Type: ApplicationFiled: May 11, 2018Publication date: October 31, 2019Inventors: Ying WANG, Hongmin LI, Liqing LIAO, Li SUN
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Publication number: 20190312065Abstract: A switching element, a manufacturing method thereof, an array substrate and a display device are provided. The switching element includes: a base substrate; a first thin-film transistor (TFT), disposed on the base substrate; and a second TFT, disposed on the first TFT, wherein the first TFT includes a first electrode and a second electrode, and the first TFT and the second TFT share the first electrode and the second electrode.Type: ApplicationFiled: June 6, 2019Publication date: October 10, 2019Applicants: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Liqing Liao, Hongmin Li, Ying Wang, Dong Wang
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Publication number: 20190287446Abstract: A shift register unit, a driving method, a gate drive circuit and a display device are provided. The shift register unit includes: an input sub-circuit used to control an electric potential of the pull-up node, an output sub-circuit used to input a first clock signal from a first clock signal terminal to the output terminal, a pull-down control sub-circuit used to control an electric potential of the pull-down node, a pull-down sub-circuit used to control electric potentials of the pull-up node and the output terminal, a first reset control sub-circuit used to control an electric potential of the second control node under control of the first control node and a reset signal from the reset signal terminal and a reset sub-circuit used to control the electric potential of the pull-up node. The shift register unit improves the noise reduction efficiency at the output terminal.Type: ApplicationFiled: September 10, 2018Publication date: September 19, 2019Inventors: Liqing Liao, Hongmin Li, Dong Wang, Fengjing Tang
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Publication number: 20190272884Abstract: A shift register circuit, a driving method, a gate driving circuit, and a display device are provided. The shift register circuit includes a clock signal adjustment circuit and a self-control conduction circuit; the clock signal adjustment circuit includes a first clock signal input terminal, a second clock signal input terminal, and a clock signal adjustment output terminal; the clock signal adjusting circuit is configured to, in the case that the first clock signal and the second clock signal are both at a second level, output a first level via a clock signal adjustment output terminal; the self-control conduction circuit is configured to, in the case that the pull-up node is at the first level, control the clock signal adjustment output terminal connect with a pull-up node, or in the case that the pull-up node is at a second level, disconnect the clock signal adjustment output terminal from the pull-up node.Type: ApplicationFiled: August 21, 2018Publication date: September 5, 2019Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Liqing LIAO, Hongmin LI, Zhifu DONG, Silin FENG
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Patent number: 10380935Abstract: The present disclosure provides a gate driving circuit, a gate driving method and a display method. The gate driving circuit includes a pull-up node control circuitry, a pull-down node control circuitry, a display storage circuitry, a compensation storage circuitry and a compensation storage control circuitry. The compensation storage control circuitry is connected to an input terminal, a pull-down control voltage terminal, a pull-up node, a pull-down node, and a second terminal of the compensation storage circuitry, and configured to enable the pull-down control voltage terminal to be electrically connected to the second terminal of the compensation storage circuitry under the control of the input terminal so as to charge the compensation storage circuitry, and enable the second terminal of the compensation storage circuitry to be electrically connected to the pull-up node.Type: GrantFiled: September 27, 2017Date of Patent: August 13, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Liqing Liao, Hongmin Li, Ping Song
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Patent number: 10355029Abstract: A switching element, a manufacturing method thereof, an array substrate and a display device are provided. The switching element includes: a base substrate; a first thin-film transistor (TFT), disposed on the base substrate; and a second TFT, disposed on the first TFT, wherein the first TFT includes a first electrode and a second electrode, and the first TFT and the second TFT share the first electrode and the second electrode.Type: GrantFiled: September 22, 2017Date of Patent: July 16, 2019Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.Inventors: Liqing Liao, Hongmin Li, Ying Wang, Dong Wang
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Patent number: 10311814Abstract: The disclosure provides an array substrate, a display panel, a display device and a display method. The array substrate comprises a display region provided with a plurality of data lines therein and a wiring region around the display region and provided with a plurality of leading wires therein. The plurality of leading wires are connected with the plurality of data lines respectively in a one-to-one correspondence way. The plurality of leading wires comprise a plurality of first leading wires and a plurality of second leading wires insulatively arranged in different layers. The plurality of first leading wires and the plurality of second leading wires comprise at least one pair of overlapped first and second leading wires to which data signals having the same polarity are input.Type: GrantFiled: September 9, 2016Date of Patent: June 4, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhifu Dong, Hongmin Li, Ping Song, Liqing Liao
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Publication number: 20190113851Abstract: A fabrication method of a mask and a mask, a display panel and a touch panel are provided. The fabrication method of the mask includes: providing a substrate; forming a photoresist material layer on the substrate; and performing at least two scanning exposure processes on the photoresist material layer by using a scanning beam, wherein, each of the at least two scanning exposure processes is performed along a first direction parallel to a surface where the substrate is located, the scanning beam in each of the at least two scanning exposure processes scans the photoresist material layer in a scanning region having a preset width, at least one pair of adjacent scanning regions partially overlap with each other, and a partially overlapping region of the at least one pair of adjacent scanning regions is located in a first region of the mask.Type: ApplicationFiled: August 9, 2018Publication date: April 18, 2019Inventors: Liqing LIAO, Hongmin LI, Jian TAO
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Publication number: 20190101790Abstract: The present disclosure relates to a substrate for a display panel, a display panel and a display device. The substrate according to the present disclosure comprises a base doped with upconverting ions capable of converting an infrared light beam into a visible light beam, the base is made of microcrystalline glass, and the microcrystalline glass comprises at least one of matrix materials NaYF4 and NaGdF4. The substrate according to the present disclosure may be used for any of a color filter substrate, an array substrate and a coverplate of the display panel.Type: ApplicationFiled: March 29, 2018Publication date: April 4, 2019Inventors: Liqing Liao, Zhifu Dong, Dong Wang, Hongmin Li
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Publication number: 20180314124Abstract: 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: ApplicationFiled: December 19, 2017Publication date: November 1, 2018Inventors: Zhifu DONG, Wei XUE, Hongmin LI, Liqing LIAO
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Patent number: 10088968Abstract: The present invention belongs to the field of display technology, and provides a touch panel and a display device, which can solve the problem of low sensitivity, complicated wiring, and high power consumption existing in the existing touch panel. The touch panel of the invention includes a substrate and a touch control layer provided on the substrate, the touch control layer comprising a plurality of touch control units, wherein each of the touch control units has a protrusion part and a recess part, wherein a shape of the protrusion part of any one of the touch control units matches with a shape of the recess part of a touch control unit adjacent thereto. The sensitivity of the touch panel provided in the present invention is significantly improved compared to the prior art.Type: GrantFiled: July 14, 2016Date of Patent: October 2, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Liqing Liao
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Publication number: 20180240395Abstract: The present disclosure provides a gate driving circuit, a gate driving method and a display method. The gate driving circuit includes a pull-up node control circuitry, a pull-down node control circuitry, a display storage circuitry, a compensation storage circuitry and a compensation storage control circuitry. The compensation storage control circuitry is connected to an input terminal, a pull-down control voltage terminal, a pull-up node, a pull-down node, and a second terminal of the compensation storage circuitry, and configured to enable the pull-down control voltage terminal to be electrically connected to the second terminal of the compensation storage circuitry under the control of the input terminal so as to charge the compensation storage circuitry, and enable the second terminal of the compensation storage circuitry to be electrically connected to the pull-up node.Type: ApplicationFiled: September 27, 2017Publication date: August 23, 2018Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Liqing LIAO, Hongmin LI, Ping SONG
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Publication number: 20180158845Abstract: A switching element, a manufacturing method thereof, an array substrate and a display device are provided. The switching element includes: a base substrate; a first thin-film transistor (TFT), disposed on the base substrate; and a second TFT, disposed on the first TFT, wherein the first TFT includes a first electrode and a second electrode, and the first TFT and the second TFT share the first electrode and the second electrode.Type: ApplicationFiled: September 22, 2017Publication date: June 7, 2018Inventors: Liqing Liao, Hongmin Li, Ying Wang, Dong Wang
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Publication number: 20180108310Abstract: The disclosure provides an array substrate, a display panel, a display device and a display method. The array substrate comprises a display region provided with a plurality of data lines therein and a wiring region around the display region and provided with a plurality of leading wires therein. The plurality of leading wires are connected with the plurality of data lines respectively in a one-to-one correspondence way. The plurality of leading wires comprise a plurality of first leading wires and a plurality of second leading wires insulatively arranged in different layers. The plurality of first leading wires and the plurality of second leading wires comprise at least one pair of overlapped first and second leading wires to which data signals having the same polarity are input.Type: ApplicationFiled: September 9, 2016Publication date: April 19, 2018Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhifu Dong, Hongmin Li, Ping Song, Liqing Liao
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Publication number: 20170192563Abstract: The present invention belongs to the field of display technology, and provides a touch panel and a display device, which can solve the problem of low sensitivity, complicated wiring, and high power consumption existing in the existing touch panel. The touch panel of the invention includes a substrate and a touch control layer provided on the substrate, the touch control layer comprising a plurality of touch control units, wherein each of the touch control units has a convex part and a concave part, wherein a shape of the convex part of any one of the touch control units matches with a shape of the concave part of a touch control unit adjacent thereto. The sensitivity of the touch panel provided in the present invention is significantly improved compared to the prior art.Type: ApplicationFiled: July 14, 2016Publication date: July 6, 2017Inventor: Liqing LIAO