Patents by Inventor Wanpeng TENG
Wanpeng TENG 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: 20210150975Abstract: A pixel circuit, a driving method thereof and a display apparatus are provided. The pixel circuit comprises a control module, a short-circuit protection module, a drive transistor and a light-emitting device, wherein the short-circuit protection module is used for providing a data voltage to a gate of the drive transistor in response to a gate signal; a second pole of the drive transistor is connected to a positive pole of the light-emitting device, and a negative pole of the light-emitting device receives a second power supply voltage; the short-circuit protection module is used for providing a third power supply voltage to the gate of the drive transistor to turn off the drive transistor in response to the data voltage provided to the gate of the drive transistor and the second power supply voltage provided to the positive pole of the light-emitting device.Type: ApplicationFiled: June 3, 2020Publication date: May 20, 2021Inventors: Shengnan Li, Wei Qin, Tieshi Wang, Weixing Liu, Chunfang Zhang, Wanpeng Teng, Dongni Liu
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Publication number: 20210142764Abstract: The present disclosure relates to a light-emission control signal generating device and a display device. The light-emission control signal generating device includes: a state detection circuit configured to detect whether a current frame is a static frame or a dynamic frame and output an indication signal indicating the static frame or the dynamic frame; and a plurality of light emission control signal generation circuits; wherein the plurality of light emission control signal generation circuits are divided into a plurality of blocks, and individual blocks are input with different light emission enable signals based on the indication signal to generate light emission control signals.Type: ApplicationFiled: May 24, 2019Publication date: May 13, 2021Inventors: Xueling GAO, Kuanjun PENG, Chengchung YANG, Zhiqiang XU, Wei QIN, Tieshi WANG, Xiaolong LI, Shengnan LI, Wanpeng TENG
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Publication number: 20210110759Abstract: An embodiment of the present disclosure provides a driving circuit, a driving method thereof, a display panel and a display device. The driving circuit includes a first transistor electrically connected between a signal input terminal and a light emitting device to be driven, a duration control circuit configured to provide a signal of a duration data signal terminal to a gate of the first transistor in response to a signal of a duration scanning signal terminal, and a latch circuit electrically connected with the gate of the first transistor and configured to latch the signal of the gate of the first transistor.Type: ApplicationFiled: October 12, 2019Publication date: April 15, 2021Inventors: Wei QIN, Weixing LIU, Tieshi WANG, Kai GUO, Xiaolong LI, Kuanjun PENG, Zhiqiang XU, Wanpeng TENG
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Patent number: 10937368Abstract: A voltage compensation method, a voltage compensation device, a display device and a computer-readable storage medium are provided. The voltage compensation method includes: determining a first voltage of a target pixel in a first image; determining a second voltage of the target pixel in a second image, where the second image is switched from the first image; determining a voltage compensation value based on the first voltage and the second voltage; an determining a transition voltage based on the voltage compensation value and the second voltage, and compensating the second voltage by the transition voltage; where a gray-level of the target pixel in the first image is greater than a gray-level of the target pixel in the second image, the transition voltage is a driving voltage of the target pixel between the first voltage and the second voltage.Type: GrantFiled: March 21, 2019Date of Patent: March 2, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jintao Peng, Kuanjun Peng, Wei Qin, Chengchung Yang, Wanpeng Teng, Zhiqiang Xu, Xueling Gao
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Publication number: 20200388222Abstract: A voltage compensation method, a voltage compensation device, a display device and a computer-readable storage medium are provided. The voltage compensation method includes: determining a first voltage of a target pixel in a first image; determining a second voltage of the target pixel in a second image, where the second image is switched from the first image; determining a voltage compensation value based on the first voltage and the second voltage; an determining a transition voltage based on the voltage compensation value and the second voltage, and compensating the second voltage by the transition voltage; where a gray-level of the target pixel in the first image is greater than a gray-level of the target pixel in the second image, the transition voltage is a driving voltage of the target pixel between the first voltage and the second voltage.Type: ApplicationFiled: March 21, 2019Publication date: December 10, 2020Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jintao PENG, Kuanjun PENG, Wei QIN, Chengchung YANG, Wanpeng TENG, Zhiqiang XU, Xueling GAO
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Publication number: 20200342813Abstract: A pixel driving circuit is provided. The pixel driving circuit includes an initialization circuit, a driving circuit, and a first light-emitting control circuit. A first terminal of the driving circuit is coupled to a power voltage terminal, a second terminal of the driving circuit is coupled to a light-emitting element via the first light-emitting control circuit. The initialization circuit is configured to write an initialization voltage to a control terminal of the driving circuit under control of an initialization control signal input from an initialization control line, so that the driving circuit brings a connection between the first and second terminals into a conducting state under control of the control terminal. The first light-emitting control circuit is configured to bring a connection between the second terminal and the light-emitting element into a conducting state under control of a first light-emitting control signal input from a first light-emitting control line.Type: ApplicationFiled: August 30, 2019Publication date: October 29, 2020Inventors: Xueling GAO, Kuanjun PENG, Wei QIN, Wanpeng TENG
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Patent number: 10657859Abstract: A testing method for splicing screens is provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens, the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens so as to enable the splicing screens to display the corresponding testing sub pictures, and the testing sub pictures include testing contents; and testing the splicing screens through the testing contents, wherein the testing contents include a graduation signal, by which an accurate test is performed on the splicing screens.Type: GrantFiled: May 13, 2019Date of Patent: May 19, 2020Assignee: BOE Technology Group Co., Ltd.Inventors: Tieshi Wang, Saihua Chen, Xuefei Wang, Wanpeng Teng, Heliang Di, Zhihong Du, Shanshan Zhou
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Patent number: 10573268Abstract: A pixel cell is disclosed including a pixel electrode and a pixel driving circuit. The pixel driving circuit includes a switch module and a compensation module. The compensation module is connected with a first signal line, a second signal line, a data line and the switch module. The switch module is connected with the second signal line, the compensation module and the pixel electrode. The compensation module is operable to store a compensation voltage under control of the first signal line and further to supply the compensation voltage and a data voltage supplied via the data line to the switch module under control of the second signal line. The switch module is operable to supply the compensation voltage and the data voltage to the pixel electrode under control of the second signal line.Type: GrantFiled: March 17, 2017Date of Patent: February 25, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Wanpeng Teng
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Patent number: 10506725Abstract: The present invention discloses an alignment mark, a circuit board and a display device, the alignment mark is configured to position a to-be-bonded component during a bonding process and is constituted by first gold fingers provided in a bonding area of the to-be-bonded component. The alignment mark provided by the present invention is arranged in the bonding area and does not additionally occupy an effective area of the circuit board, which allows the circuit board to accommodate more components, thereby improving utilization ratio of the circuit board and meeting the need of narrow edge for the circuit board.Type: GrantFiled: August 14, 2015Date of Patent: December 10, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tieshi Wang, Wanpeng Teng
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Publication number: 20190266932Abstract: A testing method for splicing screens is provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens, the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens so as to enable the splicing screens to display the corresponding testing sub pictures, and the testing sub pictures include testing contents; and testing the splicing screens through the testing contents, wherein the testing contents include a graduation signal, by which an accurate test is performed on the splicing screens.Type: ApplicationFiled: May 13, 2019Publication date: August 29, 2019Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tieshi WANG, Saihua CHEN, Xuefei WANG, Wanpeng TENG, Heliang DI, Zhihong DU, Shanshan ZHOU
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Patent number: 10334243Abstract: A testing method and a testing apparatus for splicing screens (1, 2, 3, 4) are provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens (1, 2, 3, 4), the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens (1, 2, 3, 4) so as to enable the splicing screens (1, 2, 3, 4) to display the corresponding testing sub pictures, and the testing sub pictures include testing contents (5, 6, 7, 8, 9, 10, 11, 12); and testing the splicing screens (1, 2, 3, 4) through the testing contents (5, 6, 7, 8, 9, 10, 11, 12). Testing on the splicing screens (1, 2, 3, 4) is achieved, and a testing result can be used for regulating the splicing screens (1, 2, 3, 4), so that defects generated in the displaying process of the splicing screens (1, 2, 3, 4) are reduced.Type: GrantFiled: October 27, 2015Date of Patent: June 25, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tieshi Wang, Saihua Chen, Xuefei Wang, Wanpeng Teng, Heliang Di, Zhihong Du, Shanshan Zhou
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Patent number: 10209794Abstract: The present disclosure provides a device for touch-sensing. The device includes a touch surface configured to receive a touch by an object; a measuring portion configured to measure a blood oxygen level of the object; and a control portion configured to calculate a level of pressing force corresponding to the blood oxygen level.Type: GrantFiled: September 18, 2015Date of Patent: February 19, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xuefei Wang, Xiangxiang Zou, Tieshi Wang, Wanpeng Teng, Yan Wei, Chunfang Zhang
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Patent number: 10203538Abstract: The present application discloses a touch substrate including a base substrate; a touch electrode layer on a base substrate comprising a plurality of columns of first touch electrodes, a plurality of rows of second touch electrodes, and a plurality of columns of electrode bridges in a same layer and made of a same electrode material; and a black matrix layer on the base substrate. The plurality of columns of first touch electrodes are insulated from the plurality of rows of second touch electrodes, and cross over the plurality of rows of second touch electrodes forming a plurality of intersections. A plurality of first touch electrode in each column are electrically connected by a plurality of electrode bridges. A plurality of second touch electrode in each row are electrically connected by the black matrix layer.Type: GrantFiled: November 8, 2016Date of Patent: February 12, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wanpeng Teng, Xiangxiang Zou, Xuefei Wang
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Publication number: 20180268772Abstract: A pixel cell is disclosed including a pixel electrode and a pixel driving circuit. The pixel driving circuit includes a switch module and a compensation module. The compensation module is connected with a first signal line, a second signal line, a data line and the switch module. The switch module is connected with the second signal line, the compensation module and the pixel electrode. The compensation module is operable to store a compensation voltage under control of the first signal line and further to supply the compensation voltage and a data voltage supplied via the data line to the switch module under control of the second signal line. The switch module is operable to supply the compensation voltage and the data voltage to the pixel electrode under control of the second signal line.Type: ApplicationFiled: March 17, 2017Publication date: September 20, 2018Inventor: Wanpeng TENG
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Publication number: 20180188582Abstract: The present application discloses a touch substrate including a base substrate; a touch electrode layer on a base substrate comprising a plurality of columns of first touch electrodes, a plurality of rows of second touch electrodes, and a plurality of columns of electrode bridges in a same layer and made of a same electrode material; and a black matrix layer on the base substrate. The plurality of columns of first touch electrodes are insulated from the plurality of rows of second touch electrodes, and cross over the plurality of rows of second touch electrodes forming a plurality of intersections. A plurality of first touch electrode in each column are electrically connected by a plurality of electrode bridges. A plurality of second touch electrode in each row are electrically connected by the black matrix layer.Type: ApplicationFiled: November 8, 2016Publication date: July 5, 2018Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wanpeng Teng, Xiangxiang Zou, Xuefei Wang
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Publication number: 20170269723Abstract: The present disclosure provides a device for touch-sensing. The device includes a touch surface configured to receive a touch by an object; a measuring portion configured to measure a blood oxygen level of the object; and a control portion configured to calculate a level of pressing force corresponding to the blood oxygen level.Type: ApplicationFiled: September 18, 2015Publication date: September 21, 2017Inventors: XUEFEI WANG, XIANGXIANG ZOU, TIESHI WANG, WANPENG TENG, YAN WEI, CHUNFANG ZHANG
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Publication number: 20170155897Abstract: A testing method and a testing apparatus for splicing screens (1, 2, 3, 4) are provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens (1, 2, 3, 4), the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens (1, 2, 3, 4) so as to enable the splicing screens (1, 2, 3, 4) to display the corresponding testing sub pictures, and the testing sub pictures include testing contents (5, 6, 7, 8, 9, 10, 11, 12); and testing the splicing screens (1, 2, 3, 4) through the testing contents (5, 6, 7, 8, 9, 10, 11, 12). Testing on the splicing screens (1, 2, 3, 4) is achieved, and a testing result can be used for regulating the splicing screens (1, 2, 3, 4), so that defects generated in the displaying process of the splicing screens (1, 2, 3, 4) are reduced.Type: ApplicationFiled: October 27, 2015Publication date: June 1, 2017Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tieshi WANG, Saihua CHEN, Xuefei WANG, Wanpeng TENG, Heliang DI, Zhihong DU, Shanshan ZHOU
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Patent number: 9666104Abstract: The present disclosure provides a display panel including a plurality of pixels, each of which includes at least one sub-pixel. Each sub-pixel includes a color reflection box and a control unit configured to control a color to be displayed by the color reflection box. The control unit is configured to, in the presence of ambient light, control a position of a light-entering surface of a shielding member in the corresponding color reflection box relative to a light-entering surface of a case in accordance with a display image at a corresponding position, so as to enable the color reflection box to display a color of the light-entering surface of the shielding member or a color of a colored material.Type: GrantFiled: July 30, 2015Date of Patent: May 30, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wanpeng Teng, Heecheol Kim
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Publication number: 20170048988Abstract: The present invention discloses an alignment mark, a circuit board and a display device, the alignment mark is configured to position a to-be-bonded component during a bonding process and is constituted by first gold fingers provided in a bonding area of the to-be-bonded component. The alignment mark provided by the present invention is arranged in the bonding area and does not additionally occupy an effective area of the circuit board, which allows the circuit board to accommodate more components, thereby improving utilization ratio of the circuit board and meeting the need of narrow edge for the circuit board.Type: ApplicationFiled: August 18, 2015Publication date: February 16, 2017Inventors: Tieshi WANG, Wanpeng TENG
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Publication number: 20170039901Abstract: The present disclosure provides a display panel including a plurality of pixels, each of which includes at least one sub-pixel. Each sub-pixel includes a color reflection box and a control unit configured to control a color to be displayed by the color reflection box. The control unit is configured to, in the presence of ambient light, control a position of a light-entering surface of a shielding member in the corresponding color reflection box relative to a light-entering surface of a case in accordance with a display image at a corresponding position, so as to enable the color reflection box to display a color of the light-entering surface of the shielding member or a color of a colored material.Type: ApplicationFiled: July 30, 2015Publication date: February 9, 2017Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wanpeng TENG, Heecheol KIM