Patents by Inventor Qingjun LAI
Qingjun LAI 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: 10984711Abstract: Provided are a pixel driving circuit, a display panel and a driving method, the pixel driving circuit includes a first initialization device, a first threshold compensation device, a first data writing device, a first light emitting control device and a light emitting adjustment device. The first initialization device includes a first initialization signal terminal, a first initialization control terminal and a first scanning signal terminal, and is electrically connected to a first node and a second node. The first threshold compensation device includes a first power signal terminal, and is electrically connected to the first scanning signal terminal, the first node and a third node. The first data writing device includes a first data signal terminal, a second scanning signal terminal and a light emitting duration control signal terminal, and is electrically connected to the second node.Type: GrantFiled: May 20, 2020Date of Patent: April 20, 2021Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Qingjun Lai, Yihua Zhu
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Publication number: 20200327852Abstract: Provided are a pixel driving circuit, a driving method, a display panel and a display device. The pixel driving circuit includes: a data writing device, a voltage stabilizing storage device, a driving device and a light-emitting component; where the data writing device is configured for transmitting a data signal voltage; the driving device is configured for generating a driving current according to the data signal voltage transmitted by the data writing device; the voltage stabilizing storage device is configured for storing the data signal voltage transmitted to the driving device; the light-emitting component is configured for emitting light in response to the driving current generated by the driving device; where the voltage stabilizing storage device includes at least two voltage stabilizing storage sub-devices connected in parallel, each voltage stabilizing storage sub-device includes a capacitor, at least one of the voltage stabilizing storage sub-devices includes a switch device.Type: ApplicationFiled: June 29, 2020Publication date: October 15, 2020Inventors: Qitai JI, Qingjun LAI, Xiao LI
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Publication number: 20200286425Abstract: Provided are a pixel driving circuit, a display panel and a driving method, the pixel driving circuit includes a first initialization device, a first threshold compensation device, a first data writing device, a first light emitting control device and a light emitting adjustment device. The first initialization device includes a first initialization signal terminal, a first initialization control terminal and a first scanning signal terminal, and is electrically connected to a first node and a second node. The first threshold compensation device includes a first power signal terminal, and is electrically connected to the first scanning signal terminal, the first node and a third node. The first data writing device includes a first data signal terminal, a second scanning signal terminal and a light emitting duration control signal terminal, and is electrically connected to the second node.Type: ApplicationFiled: May 20, 2020Publication date: September 10, 2020Inventors: Qingjun LAI, Yihua ZHU
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Patent number: 10629155Abstract: The present disclosure provides a method for driving a display panel, a display panel, and a display device, which relates to the technical field of liquid crystal display technologies, and can decrease a risk of abnormal display caused by a sudden change of voltage on a touch electrode, when finishing a touch stage and entering into a display stage. The method includes: when finishing a touch stage and entering into a display stage, compensating a charging voltage value corresponding to first N rows of to-be-charged pixel electrodes in the display stage; and charging the first N rows of the to-be-charged pixel electrodes according to a charging voltage value after compensation; wherein N is an integer greater than or equal to 1. The technical solution is mainly used in a charging process of the pixel electrodes.Type: GrantFiled: November 28, 2017Date of Patent: April 21, 2020Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Qingjun Lai, Yihua Zhu
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Patent number: 10474278Abstract: A touch-control display panel and an electronic device are provided. The touch-control display panel comprises a first substrate, and the first substrate includes a display region and a non-display region surrounding the display region. The non-display region includes a first non-display region and a second non-display region. Further, a first electrode layer is disposed on the first substrate. The first electrode layer includes a first electrode matrix having at least three first electrode columns. Each first electrode column includes a plurality of first electrodes, and each first electrode is connected to an electrode line. The first electrode matrix is divided into a first electrode group and a second electrode group, the electrode lines corresponding to the first electrodes in the first electrode group extend from the first non-display region, and the electrode lines corresponding to the first electrodes in the second electrode group extend from the second non-display region.Type: GrantFiled: November 29, 2016Date of Patent: November 12, 2019Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Patent number: 10359879Abstract: A touch control display panel and a display device are provided. The touch control display panel may comprise a plurality of touch driving electrodes arranged in a first direction; a touch sensing electrode array including a plurality of touch sensing electrode rows arranged in a second direction, wherein a touch sensing electrode row includes a first touch sensing electrode and a second touch sensing electrode arranged in the first direction. In a same touch sensing electrode row, a gap is provided between the first touch sensing electrode and the second touch sensing electrode, and the gap has a width of w1 in the first direction, the touch driving electrode disposed opposite to and over the gap between the first touch sensing electrode and the second touch sensing electrode has an electrode width of w2 in the first direction, and the gap width w1 is smaller than the electrode width w2.Type: GrantFiled: November 16, 2016Date of Patent: July 23, 2019Assignees: Xiamen Tianma Micro-electronics Co., Ltd., Tianma Micro-electronics Co., Ltd.Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Patent number: 10331262Abstract: A driving unit, a driving method, a driving circuit, and a display panel are disclosed. The driving unit is for providing a signal to a touch electrode of an array substrate, comprising: a first control signal input terminal, a second control signal input terminal, a gating signal input terminal, a touch control driving module, a display driving module, and a signal output terminal. The touch control driving module is configured to output a touch control signal to the signal output terminal, and is controlled by a signal inputted through the first control signal input terminal, a signal inputted through the second control signal input terminal, and a signal inputted through the gating signal input terminal. The display driving module is configured to output a common voltage signal to the signal output terminal, and is controlled by the signal inputted through the gating signal input terminal.Type: GrantFiled: November 22, 2016Date of Patent: June 25, 2019Assignees: Xiamen Tianma Micro-Electronics Co., Ltd, Tianma Micro-Electronics Co., Ltd.Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Patent number: 10275101Abstract: An integrated touch control display panel and a display apparatus are disclosed. The integrated touch control display panel comprises a touch-control-emitting-electrode-array including a plurality of touch control emitting strip electrodes arranged along a first direction; and a touch-control-sensing-electrode-array including a plurality of touch control sensing strip electrodes arranged along a second direction. An orthogonal projection of any touch control sensing strip electrode to the touch-control-emitting-electrode-array at least partially overlaps with any of the touch control emitting strip electrodes; and the touch control sensing strip electrodes are metal mesh electrodes, the metal mesh electrodes comprising a plurality of metal curves. This can reduce the resistance of the touch control sensing strip electrode, such that the integrated touch control display panel and the display apparatus have a more sensitive touch control sensing effect.Type: GrantFiled: November 22, 2016Date of Patent: April 30, 2019Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Patent number: 10191583Abstract: A touch-control display panel, a driving method thereof, and a touch-control display device are provided. The display panel includes a first substrate and a plurality of touch-control driving electrodes extending along a second direction. The first substrate includes a first touch-control display region and a second touch-control display region arranged along a first direction. The plurality of touch-control driving electrodes include first touch-control driving electrodes distributed in the first touch-control display region and second touch-control driving electrodes distributed in the second touch-control display region. The number of the first touch-control driving electrodes is equal to the number of the second touch-control driving electrodes.Type: GrantFiled: December 20, 2016Date of Patent: January 29, 2019Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Publication number: 20180366083Abstract: The present disclosure provides a method for driving a display panel, a display panel, and a display device, which relates to the technical field of liquid crystal display technologies, and can decrease a risk of abnormal display caused by a sudden change of voltage on a touch electrode, when finishing a touch stage and entering into a display stage. The method includes: when finishing a touch stage and entering into a display stage, compensating a charging voltage value corresponding to first N rows of to-be-charged pixel electrodes in the display stage; and charging the first N rows of the to-be-charged pixel electrodes according to a charging voltage value after compensation; wherein N is an integer greater than or equal to 1. The technical solution is mainly used in a charging process of the pixel electrodes.Type: ApplicationFiled: November 28, 2017Publication date: December 20, 2018Inventors: Qingjun LAI, Yihua ZHU
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Patent number: 10025415Abstract: A touch panel and a liquid crystal display device. The touch panel includes a plurality of touch electrodes and a plurality of conductive grids, with each of the plurality of touch electrodes being located inside one of the plurality of conductive grids; a plurality of touch electrodes are divided into at least two groups of touch electrodes, at least two conductive network units insulated from each other are formed by a plurality of conductive grids, and each conductive network unit corresponds to at least one group of touch electrodes.Type: GrantFiled: September 9, 2015Date of Patent: July 17, 2018Assignees: Xiamen Tianma Micro-Electronics Co., Ltd., Tianma Micro-Electronics Co., Ltd.Inventors: Qingjun Lai, Jing Li
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Patent number: 9990093Abstract: A touch display substrate includes a substrate including a display region and a non-display region; a touch sensing circuit in the non-display region; a plurality of touch sensing electrodes in the display region, the plurality of touch sensing electrodes grouped into at least two touch sensing electrode groups in accordance with distances from the touch sensing electrodes to the touch sensing circuit; and a plurality of touch leads, where one end of each of the touch leads is electrically connected with one of the touch sensing electrodes, and the other end of the touch lead is electrically connected with the touch control circuit. The touch sensing circuit is configured to input touch driving signals of a different frequency to each of the touch sensing electrode groups, and the touch driving signals input to the touch sensing electrodes in the same touch sensing electrode group are of the same frequency.Type: GrantFiled: September 17, 2015Date of Patent: June 5, 2018Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Qingjun Lai
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Patent number: 9921675Abstract: A touch device includes a plurality of touch electrodes and a touch circuit. The touch electrodes are respectively connected with a plurality of interfaces on the touch circuit by touch detection lines and a switch is provided on the touch detection line corresponding to each of at least one of the touch electrodes. The switch has a first work state in which the switch is turned on and a second work state in which the switch is turned off.Type: GrantFiled: December 10, 2015Date of Patent: March 20, 2018Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Qingjun Lai, Huimin Xie
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Publication number: 20170102821Abstract: A touch-control display panel, a driving method thereof, and a touch-control display device are provided. The display panel includes a first substrate and a plurality of touch-control driving electrodes extending along a second direction. The first substrate includes a first touch-control display region and a second touch-control display region arranged along a first direction. The plurality of touch-control driving electrodes include first touch-control driving electrodes distributed in the first touch-control display region and second touch-control driving electrodes distributed in the second touch-control display region. The number of the first touch-control driving electrodes is equal to the number of the second touch-control driving electrodes.Type: ApplicationFiled: December 20, 2016Publication date: April 13, 2017Inventors: Qingjun LAI, Zhaokeng CAO, Poping SHEN, Xiufeng ZHOU, Yihua ZHU, Zhaodong ZHANG
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Patent number: 9613594Abstract: A driving circuit includes first and second source driving circuits, and first and second control units. Each of the first and second control units includes multiple first control subunits. Each of the first control subunits includes a control end, an input end, and an output end. The control end receives a control signal to turn on or off the first control subunit. The input end receives a clock signal. The output end is connected with the associated source driving circuit. The first and second control units enable switching between the unilateral driving mode and the bilateral driving mode for the clock signal.Type: GrantFiled: December 19, 2014Date of Patent: April 4, 2017Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Jinjin Yang, Qingjun Lai
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Publication number: 20170083149Abstract: A touch-control display panel and an electronic device are provided. The touch-control display panel comprises a first substrate, and the first substrate includes a display region and a non-display region surrounding the display region. The non-display region includes a first non-display region and a second non-display region. Further, a first electrode layer is disposed on the first substrate. The first electrode layer includes a first electrode matrix having at least three first electrode columns. Each first electrode column includes a plurality of first electrodes, and each first electrode is connected to an electrode line. The first electrode matrix is divided into a first electrode group and a second electrode group, the electrode lines corresponding to the first electrodes in the first electrode group extend from the first non-display region, and the electrode lines corresponding to the first electrodes in the second electrode group extend from the second non-display region.Type: ApplicationFiled: November 29, 2016Publication date: March 23, 2017Inventors: Qingjun LAI, Zhaokeng CAO, Poping SHEN, Xiufeng ZHOU, Yihua ZHU, Zhaodong ZHANG
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Publication number: 20170075456Abstract: An integrated touch control display panel and a display apparatus are disclosed. The integrated touch control display panel comprises a touch-control-emitting-electrode-array including a plurality of touch control emitting strip electrodes arranged along a first direction; and a touch-control-sensing-electrode-array including a plurality of touch control sensing strip electrodes arranged along a second direction. An orthogonal projection of any touch control sensing strip electrode to the touch-control-emitting-electrode-array at least partially overlaps with any of the touch control emitting strip electrodes; and the touch control sensing strip electrodes are metal mesh electrodes, the metal mesh electrodes comprising a plurality of metal curves. This can reduce the resistance of the touch control sensing strip electrode, such that the integrated touch control display panel and the display apparatus have a more sensitive touch control sensing effect.Type: ApplicationFiled: November 22, 2016Publication date: March 16, 2017Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Publication number: 20170075488Abstract: A driving unit, a driving method, a driving circuit, and a display panel are disclosed. The driving unit is for providing a signal to a touch electrode of an array substrate, comprising: a first control signal input terminal, a second control signal input terminal, a gating signal input terminal, a touch control driving module, a display driving module, and a signal output terminal. The touch control driving module is configured to output a touch control signal to the signal output terminal, and is controlled by a signal inputted through the first control signal input terminal, a signal inputted through the second control signal input terminal, and a signal inputted through the gating signal input terminal. The display driving module is configured to output a common voltage signal to the signal output terminal, and is controlled by the signal inputted through the gating signal input terminal.Type: ApplicationFiled: November 22, 2016Publication date: March 16, 2017Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Publication number: 20170068386Abstract: A touch control display panel and a display device are provided. The touch control display panel may comprise a plurality of touch driving electrodes arranged in a first direction; a touch sensing electrode array including a plurality of touch sensing electrode rows arranged in a second direction, wherein a touch sensing electrode row includes a first touch sensing electrode and a second touch sensing electrode arranged in the first direction. In a same touch sensing electrode row, a gap is provided between the first touch sensing electrode and the second touch sensing electrode, and the gap has a width of w1 in the first direction, the touch driving electrode disposed opposite to and over the gap between the first touch sensing electrode and the second touch sensing electrode has an electrode width of w2 in the first direction, and the gap width w1 is smaller than the electrode width w2.Type: ApplicationFiled: November 16, 2016Publication date: March 9, 2017Inventors: Qingjun LAI, Zhaokeng CAO, Poping SHEN, Xiufeng ZHOU, Yihua ZHU, Zhaodong ZHANG
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Publication number: 20160328060Abstract: A touch device includes a plurality of touch electrodes and a touch circuit. The touch electrodes are respectively connected with a plurality of interfaces on the touch circuit by touch detection lines and a switch is provided on the touch detection line corresponding to each of at least one of the touch electrodes. The switch has a first work state in which the switch is turned on and a second work state in which the switch is turned off.Type: ApplicationFiled: December 10, 2015Publication date: November 10, 2016Inventors: Qingjun Lai, Huimin Xie