Patents by Inventor Qiongqin MAO
Qiongqin MAO 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: 11982892Abstract: A display panel and a display device are provided. The display panel includes a regular display region and an irregular display region. The display panel also includes a first substrate and a second substrate that are disposed opposite to each other, a liquid crystal layer disposed between the first and second substrates, and a heating electrode layer stacked with the liquid crystal layer. In the irregular display region, the heating electrode layer includes a plurality of first heating wires, and each first heating wire is connected between a first electrode wire and a second electrode wire. At least one first heating wire serves as a target heating wire including a first sub-segment and a second sub-segment. The first sub-segment has a resistance per unit length smaller than the second sub-segment, and the first sub-segment is closer to the regular display region than the second sub-segment.Type: GrantFiled: July 6, 2023Date of Patent: May 14, 2024Assignee: Shanghai Tianma Micro-electronics Co., Ltd.Inventors: Tenggang Lou, Jian Zhao, Qiongqin Mao, Huijun Jin, Ximin Qi
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Publication number: 20240136367Abstract: Provided are a display panel and a display device. The display panel includes a display region and a non-display region. At least part of the non-display region is configured to be attached to a backlight module. The display panel also includes multiple heating wires located in the display region and the non-display region. In the same area, the resistance of heating wires located in the non-display region is higher than the resistance of heating wires located in the display region.Type: ApplicationFiled: January 4, 2024Publication date: April 25, 2024Applicant: Shanghai Tianma Microelectronics Co., Ltd.Inventors: Tenggang LOU, Qiongqin MAO
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Patent number: 11791553Abstract: A phase shifter, a fabrication method thereof, and an antenna are provided. The phase shifter includes a first substrate, a second substrate, a ground electrode disposed on a side of the first substrate facing towards the second substrate, a transmission electrode disposed on a side of the second substrate facing towards the first substrate, and liquid crystals filled between the first substrate and the second substrate. In a direction perpendicular to a plane of the second substrate, the transmission electrode overlaps with the ground electrode. The ground electrode is provided with a detection hollow part, and in the direction perpendicular to the plane of the second substrate, at least a part of the detection hollow part does not overlap with the transmission electrode.Type: GrantFiled: August 24, 2020Date of Patent: October 17, 2023Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., Chengdu Tianma Micro-Electronics Co., Ltd.Inventors: Kerui Xi, Xuhui Peng, Feng Qin, Tingting Cui, Qinyi Duan, Qiongqin Mao
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Publication number: 20230316969Abstract: A display panel, a motherboard, and a mini LED display device. The display panel includes: a panel edge extending along a first direction, and a display region and a test region. The test region is between the display region and the panel edge and includes test pads. At least two test pads are arranged along the first direction, adjacent ones of which are spaced by at least two first electrostatic discharge protection wires extending from one side of the display region adjacent to the test region to the panel edge. Each first electrostatic discharge protection wire includes a first line segment located between two adjacent test pads and a second line segment adjacent to the panel edge. A distance between adjacent first line segments between two adjacent test pads in the first direction is less than a distance between adjacent second line segments in the first direction.Type: ApplicationFiled: April 12, 2023Publication date: October 5, 2023Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Yimiao DING, Lihua WANG, Zhenhai YIN, Tingting LI, Peng GUI, Zhicheng WU, Qiongqin MAO
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Patent number: 11662613Abstract: Provided are a switchable viewing angle display module and a vehicle. The display module comprises a viewing angle switching panel, a liquid crystal display panel, and a driver circuit. The viewing angle switching panel includes a first substrate and a second substrate, a dye liquid crystal layer, and a drive electrode layer. The drive electrode layer is disposed on a side of the first substrate and/or the second substrate facing the dye liquid crystal layer. The drive electrode layer includes a plurality of drive electrodes arranged sequentially along a first direction, and an interval of a preset length is set between two adjacent ones of the plurality of drive electrodes. The driver circuit is electrically connected to the plurality of drive electrodes, respectively and configured to provide sequentially increasing drive voltages to the plurality of drive electrodes arranged sequentially along the first direction.Type: GrantFiled: April 5, 2022Date of Patent: May 30, 2023Assignee: Shanghai AVIC Optoelectronics Co., Ltd.Inventors: Qiang Dong, Xiaoping Sun, Xiongping Li, Qiongqin Mao
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Publication number: 20230099689Abstract: Provided are a display device and a manufacturing method thereof. The display device includes a display assembly, an antenna, and a feed circuit board. At least part of the antenna is disposed on the side of the light emission surface of the display assembly. The antenna includes a radiator and a first feed structure connected to the radiator. The feed circuit board is disposed on the side of the display assembly facing away from the light emission surface. The feed circuit board includes a power division network and a second feed structure connected to the power division network. The first feed structure at least partially overlaps the second feed structure along the thickness direction of the display assembly.Type: ApplicationFiled: December 6, 2022Publication date: March 30, 2023Applicant: Chengdu Tianma Microelectronics Co., Ltd.Inventors: Xiaonan HAN, Zhenyu JIA, Kerui XI, Baiquan LIN, Yifan XING, Feng QIN, Qiongqin MAO
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Publication number: 20230042146Abstract: Provided are a display panel and a display device. The display panel includes a pixel driver circuit. The pixel driver circuit includes a light-emitting module, a drive transistor and at least one light-emitting control transistor. The drive transistor, the light-emitting control transistor and the light-emitting module are connected in series between a first power supply signal terminal and a second power supply signal terminal, and at least one of the drive transistor or the light-emitting control transistor is a first double-gate transistor. The first double-gate transistor includes a first gate, a second gate and a first source, and the second gate is electrically connected to the first source.Type: ApplicationFiled: October 17, 2022Publication date: February 9, 2023Applicant: TIANMA MICROELECTRONICS CO., LTD.Inventors: Lihua WANG, Yuheng ZHANG, Qiongqin MAO, Yang NAN, Tingting LI, Yimiao DING
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Publication number: 20220320731Abstract: A phase shifter, a fabrication method thereof, and an antenna are provided. The phase shifter includes a first substrate, a second substrate, a ground electrode disposed on a side of the first substrate facing towards the second substrate, a transmission electrode disposed on a side of the second substrate facing towards the first substrate, and liquid crystals filled between the first substrate and the second substrate. In a direction perpendicular to a plane of the second substrate, the transmission electrode overlaps with the ground electrode. The ground electrode is provided with a detection hollow part, and in the direction perpendicular to the plane of the second substrate, at least a part of the detection hollow part does not overlap with the transmission electrode.Type: ApplicationFiled: August 24, 2020Publication date: October 6, 2022Applicants: Shanghai Tianma Micro-Electronics Co., Ltd., Chengdu Tianma Micro-Electronics Co., Ltd.Inventors: Kerui XI, Xuhui PENG, Feng QIN, Tingting CUI, Qinyi DUAN, Qiongqin MAO
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Patent number: 11460740Abstract: An array substrate includes a plurality of driving units, where each of the plurality of driving units includes a first electrode, a second electrode and at least one thin film transistor; the first electrode and the second electrode are configured to be connected to an anode and a cathode of a light-emitting diode, respectively, such that a vertical projection of the light-emitting diode on the array substrate overlaps with the at least one thin film transistor, and in a light-emitting direction of the light-emitting diode, the at least one thin film transistor is disposed on a backlight side of the light-emitting diode; and each of the plurality of driving units controls the light-emitting diode to be turned on or off according to a driving signal.Type: GrantFiled: September 4, 2020Date of Patent: October 4, 2022Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Meilin Wang, Xiaodong Yang, Jiayin Tang, Qiongqin Mao
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Publication number: 20220236595Abstract: Provided are a display device, a backlight source, and an automobile. The display device includes a view angle control panel; in a sharing mode phase, a same voltage is provided for the first electrode and the second electrode; in a privacy mode phase, a first voltage is provided for the first electrode, and an alternating voltage signal is provided for the second electrode, where a high voltage of the alternating voltage signal is greater than the first voltage, and a low voltage of the alternating voltage signal is less than the first voltage; in a transition phase, the first voltage is provided for the first electrode, and a voltage signal with gradually changing duty cycles is provided for the second electrode; where the transition phase is located between the sharing mode phase and the privacy mode phase.Type: ApplicationFiled: April 11, 2022Publication date: July 28, 2022Applicant: TIANMA MICROELECTRONICS CO., LTD.Inventors: Qiang DONG, Xiaoping SUN, Qiongqin MAO
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Publication number: 20220229320Abstract: Provided are a switchable viewing angle display module and a vehicle. The display module comprises a viewing angle switching panel, a liquid crystal display panel, and a driver circuit. The viewing angle switching panel includes a first substrate and a second substrate, a dye liquid crystal layer, and a drive electrode layer. The drive electrode layer is disposed on a side of the first substrate and/or the second substrate facing the dye liquid crystal layer. The drive electrode layer includes a plurality of drive electrodes arranged sequentially along a first direction, and an interval of a preset length is set between two adjacent ones of the plurality of drive electrodes. The driver circuit is electrically connected to the plurality of drive electrodes, respectively and configured to provide sequentially increasing drive voltages to the plurality of drive electrodes arranged sequentially along the first direction.Type: ApplicationFiled: April 5, 2022Publication date: July 21, 2022Applicant: Shanghai AVIC Optoelectronics Co., Ltd.Inventors: Qiang DONG, Xiaoping SUN, Xiongping LI, Qiongqin MAO
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Patent number: 11335249Abstract: A light-emitting panel and a brightness adjustment method, and a display device are provided. The method includes providing the light-emitting panel including a substrate, a plurality of light-emitting units, a control circuit, and a plurality of signal lines. The control circuit includes a data signal input terminal, a data storage unit, and a plurality of first signal terminals. The data storage unit is configured to store a first voltage signal and a first pulse width modulation signal corresponding to a different grayscale value. Each signal line connects a light-emitting unit with a first signal terminal. The method also includes obtaining a to-be-displayed screen, and determining each grayscale value of a corresponding light-emitting unit of the plurality of light-emitting units. Further, the method includes according to different grayscale values, calling the first pulse width modulation signal and the first voltage signal corresponding to each grayscale value in the data storage unit.Type: GrantFiled: April 20, 2021Date of Patent: May 17, 2022Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Conghua Ma, Xiaoping Sun, Lihua Wang, Qiang Dong, Yue Yang, Qiongqin Mao, Juan Wu, Jiayin Tang
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Patent number: 11215897Abstract: Provided are an array substrate, an electronic paper display panel and a drive method thereof and a display device. A display area includes a plurality of sub-display areas, a plurality of data lines in each sub-display area are electrically insulated from each other, corresponding data lines in different sub-display areas are electrically connected to each other, and a control signal line is configured to control display time of each sub-display area. When a control chip and a flexible circuit board are employed, only a small number of control chips and flexible circuit boards may drive the plurality of sub-display areas to display pictures.Type: GrantFiled: November 13, 2018Date of Patent: January 4, 2022Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Zuzhao Xu, Kerui Xi, Baiquan Lin, Xiaohe Li, Jine Liu, Feng Qin, Qiongqin Mao, Tinghai Wang, Mingwei Zhang
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Publication number: 20210389635Abstract: An array substrate includes a plurality of driving units, where each of the plurality of driving units includes a first electrode, a second electrode and at least one thin film transistor; the first electrode and the second electrode are configured to be connected to an anode and a cathode of a light-emitting diode, respectively, such that a vertical projection of the light-emitting diode on the array substrate overlaps with the at least one thin film transistor, and in a light-emitting direction of the light-emitting diode, the at least one thin film transistor is disposed on a backlight side of the light-emitting diode; and each of the plurality of driving units controls the light-emitting diode to be turned on or off according to a driving signal.Type: ApplicationFiled: September 4, 2020Publication date: December 16, 2021Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Meilin WANG, Xiaodong YANG, Jiayin TANG, Qiongqin MAO
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Patent number: 11081506Abstract: A display component and a display device are provided. The display component includes a display panel including a first substrate, a thin-film transistor array layer, a second substrate and a coil-containing film layer. The coil-containing film layer at least includes a first metal layer, a first insulation layer, a second metal layer, and a second insulation layer. The first metal layer includes at least one first coil and the second metal layer includes at least one signal line, where the one first coil of the first metal layer is electrically connected to one or two signal lines of the second metal layer. An orthographic projection of the first coil on the first substrate is at least partially in the display region. The display component further includes a coil drive circuit, where the coil drive circuit is electrically connected to each of the first coil and the signal line, respectively.Type: GrantFiled: August 6, 2019Date of Patent: August 3, 2021Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Baiquan Lin, Kerui Xi, Junting Ouyang, Qiongqin Mao, Feng Qin, Jine Liu, Xiangjian Kong, Xiaohe Li
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Publication number: 20200365626Abstract: A display component and a display device are provided. The display component includes a display panel including a first substrate, a thin-film transistor array layer, a second substrate and a coil-containing film layer. The coil-containing film layer at least includes a first metal layer, a first insulation layer, a second metal layer, and a second insulation layer. The first metal layer includes at least one first coil and the second metal layer includes at least one signal line, where the one first coil of the first metal layer is electrically connected to one or two signal lines of the second metal layer. An orthographic projection of the first coil on the first substrate is at least partially in the display region. The display component further includes a coil drive circuit, where the coil drive circuit is electrically connected to each of the first coil and the signal line, respectively.Type: ApplicationFiled: August 6, 2019Publication date: November 19, 2020Inventors: Baiquan LIN, Kerui XI, Junting OUYANG, Qiongqin MAO, Feng QIN, Xiangjian KONG, Jine LIU, Xiaohe LI
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Patent number: 10809848Abstract: A touch-control display panel, driving method, and a touch-control display device are provided. The touch-control display panel includes: a display area including a plurality of pixels; a non-display area; a first substrate; and a second substrate opposing the first substrate. A portion of the first substrate in the first region includes a pixel electrode layer and a first electrode layer. The first electrode layer is located on a side of the pixel electrode layer away from the second substrate and includes a plurality of first electrodes. The pixel electrode layer includes a plurality of pixel electrodes. A touch-control electrode layer is located on a side of the second substrate toward the first substrate and includes a plurality of touch-control electrodes. Along a direction perpendicular to the touch-control display panel, each touch-control electrode of the plurality of the touch-control electrode overlaps with and connects with one or more first electrode of the plurality of the first electrodes.Type: GrantFiled: October 22, 2018Date of Patent: October 20, 2020Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Xiangjian Kong, Feng Qin, Jine Liu, Lei Wang, Chunmei Gao, Qiongqin Mao
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Publication number: 20190392771Abstract: Provided are an array substrate, an electronic paper display panel and a drive method thereof and a display device. A display area includes a plurality of sub-display areas, a plurality of data lines in each sub-display area are electrically insulated from each other, corresponding data lines in different sub-display areas are electrically connected to each other, and a control signal line is configured to control display time of each sub-display area. When a control chip and a flexible circuit board are employed, only a small number of control chips and flexible circuit boards may drive the plurality of sub-display areas to display pictures.Type: ApplicationFiled: November 13, 2018Publication date: December 26, 2019Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Zuzhao Xu, Kerui Xi, Baiquan Lin, Xiaohe Li, Jine Liu, Feng Qin, Qiongqin Mao, Tinghai Wang, Mingwei Zhang
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Publication number: 20190332219Abstract: A touch-control display panel, driving method, and a touch-control display device are provided. The touch-control display panel includes: a display area including a plurality of pixels; a non-display area; a first substrate; and a second substrate opposing the first substrate. A portion of the first substrate in the first region includes a pixel electrode layer and a first electrode layer. The first electrode layer is located on a side of the pixel electrode layer away from the second substrate and includes a plurality of first electrodes. The pixel electrode layer includes a plurality of pixel electrodes. A touch-control electrode layer is located on a side of the second substrate toward the first substrate and includes a plurality of touch-control electrodes. Along a direction perpendicular to the touch-control display panel, each touch-control electrode of the plurality of the touch-control electrode overlaps with and connects with one or more first electrode of the plurality of the first electrodes.Type: ApplicationFiled: October 22, 2018Publication date: October 31, 2019Inventors: Xiangjian KONG, Feng QIN, Jine LIU, Lei WANG, Chunmei GAO, Qiongqin MAO
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Patent number: 10409120Abstract: A display panel and a display device are provided. The display panel includes a first substrate having a step area; a second substrate disposed opposite to the first substrate, wherein the second substrate has a first surface facing the first substrate and an opposite second surface; a Chip On Flex (COF) disposed on the step area of the first substrate and including at least one ground pad; a conductive layer disposed on the second surface of the second substrate; and a conductive adhesive electrically connected to the conductive layer and the at least one ground pad.Type: GrantFiled: September 24, 2018Date of Patent: September 10, 2019Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Guochang Lai, Hongbo Zhou, Huangyao Wu, Zhongjie Zhang, Qiongqin Mao