Patents by Inventor Mian Zeng
Mian Zeng 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: 20240127738Abstract: The present application discloses a pixel circuit and a display panel. The pixel circuit includes a writing module, a transfer module, a first time-division transmission module, a drive module, a second time-division transmission module and a storing module. The storing module and the transfer module can be simultaneously charged with electricity through a data signal, and the storing module can be recharged by the transfer module in a light-emitting phase through the first time-division transmission module, the drive module and the second time-division transmission module.Type: ApplicationFiled: June 7, 2021Publication date: April 18, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Liang SUN, Mian ZENG
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Publication number: 20240127737Abstract: A pixel circuit, a display panel and a control method are disclosed. The pixel circuit includes a light-emitting device, a driving module, and a light-emitting control module. By inserting the corresponding number of black frame insertion pulses into the light-emitting control signal during the early light-emitting stage and the late light-emitting stage of one frame, the difference between the sum of the light-emitting currents in the early light-emitting stage of said frame and the sum of the light-emitting currents in the late light-emitting stage of said frame can be reduced, and the perceived brightness difference in one frame can be effectively reduced, so as to improve the screen flickers.Type: ApplicationFiled: May 10, 2021Publication date: April 18, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Liang SUN, Mian ZENG
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Patent number: 11942033Abstract: A driving circuit and a display panel are provided. The driving circuit includes a driving module and an additional module. The driving module includes a first transistor electrically connected to a first signal line and a connection transistor connected to a gate of the first transistor. The connection transistor has a connection node. The additional module includes a second transistor having the same threshold voltage as the first transistor, and the second transistor is connected between the connection node and the first signal line.Type: GrantFiled: June 29, 2021Date of Patent: March 26, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Mian Zeng, Liang Sun
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Patent number: 11915649Abstract: Embodiments of the present disclosure are directed to a pixel circuit and a display panel. The pixel circuit includes a light-emitting device, a driving transistor, a data signal writing module, a threshold voltage compensation module, a first initialization module, a light-emitting control module, and a coupling capacitor. By adding a coupling capacitor in the pixel circuit, the gate potential of the driving transistor is maintained at the initial value under a long period of display.Type: GrantFiled: June 30, 2022Date of Patent: February 27, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Dachao Liu, Mian Zeng, Liang Sun
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Publication number: 20240046864Abstract: Disclosed are a pixel circuit and a display panel. The pixel circuit includes a Light emitting device, a Data signal write-in module, a Driving transistor, a Compensation module, a First initialization module, and a Light emitting control module. The first initialization module is electrically connected to the compensation module and electrically connected to the gate of the driving transistor through the compensation module. When the voltage level of the gate of the driving transistor, the number of the transistors connected to the driving transistor could be reduced.Type: ApplicationFiled: December 17, 2021Publication date: February 8, 2024Inventors: Mian Zeng, Liang Sun
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Publication number: 20240036670Abstract: A display panel and a mobile terminal are provided. The display panel includes a driving circuit layer, a fingerprint recognition sensor, and a light emitting device layer. The fingerprint recognition sensor is disposed on a side of the driving circuit layer, and the fingerprint recognition sensor is an ultrasonic sensor. The light emitting device layer is arranged on a side of the fingerprint recognition sensor away from the driving circuit layer.Type: ApplicationFiled: December 17, 2021Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Shijuan Yi, Liang Sun, Mian Zeng, Pengfei Jiang, Likun Cheng
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Publication number: 20240038141Abstract: The present application provides a pixel circuit and a display device; the pixel circuit includes a driving unit, a light emitting control unit electrically connected to the driving unit, and a first reset unit electrically connected to the driving unit, and a first end of the first reset unit is electrically connected to the driving unit, a second end of the first reset unit is electrically connected to the first constant voltage signal input end, and a control end of the first reset unit is electrically connected to the first reset signal input end.Type: ApplicationFiled: December 22, 2021Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Mian ZENG, Liang SUN
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Publication number: 20240038160Abstract: Disclosed is a pixel circuit and a display device. The pixel circuit includes a driving unit, a light-emitting control unit, and a compensation unit. The driving unit and light-emitting control unit are electrically connected between a first power input terminal and a light-emitting unit. The compensation unit is electrically connected between the driving unit and the light-emitting control unit. A first capacitor is electrically connected between the compensation unit and the control signal input terminal.Type: ApplicationFiled: December 9, 2021Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Mian Zeng, Liang Sun
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Publication number: 20240038161Abstract: A pixel circuit, a display device, and a method of driving the same are provided. The pixel circuit includes a light emitting element, a first transistor, and a second transistor. In response to a time voltage signal provided by a time voltage line RST, the second transistor T2 is turned off during a display scan period of one frame period and is turned on during a self scan period of one frame period to reset the first transistor Ti during the self scan period of one frame period.Type: ApplicationFiled: December 17, 2021Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Mian Zeng, Liang Sun
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Publication number: 20240021154Abstract: A driving circuit and a display panel are provided. The driving circuit includes a driving module and an additional module. The driving module includes a first transistor electrically connected to a first signal line and a connection transistor connected to a gate of the first transistor. The connection transistor has a connection node. The additional module includes a second transistor having the same threshold voltage as the first transistor, and the second transistor is connected between the connection node and the first signal line.Type: ApplicationFiled: June 29, 2021Publication date: January 18, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Mian ZENG, Liang SUN
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Publication number: 20240005692Abstract: A sensing device, a display device and a driving method are provided. The sensing device includes a substrate and a plurality of sensing pixels disposed on the substrate in an array. Each of the plurality of sensing pixels comprising a signal-transmitting circuit and a signal-receiving circuit. A pixel group includes n of the plurality of sensing pixels, where n indicates the number of the signal-transmitting circuit in the pixel group and n is a positive integer greater than or equal to two. The sensing pixel in each of the pixel groups is electrically connected to the same signal-receiving circuit. In the present disclosure, a signal-receiving circuit is shared by each pixel group in the sensor so as to save the layout space of the signal-receiving circuit in the sensing device, simplify the circuit, reduce the number of signal-receiving circuits, and enhance the PPI of the sensing device.Type: ApplicationFiled: November 23, 2021Publication date: January 4, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Pengfei Jiang, Mian Zeng, Liang Sun
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Publication number: 20230402005Abstract: Embodiments of the present disclosure are directed to a pixel circuit and a display panel. The pixel circuit includes a light-emitting device, a driving transistor, a data signal writing module, a threshold voltage compensation module, a first initialization module, a light-emitting control module, and a coupling capacitor. By adding a coupling capacitor in the pixel circuit, the gate potential of the driving transistor is maintained at the initial value under a long period of display.Type: ApplicationFiled: June 30, 2022Publication date: December 14, 2023Inventors: Dachao LIU, Mian ZENG, Liang SUN
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Publication number: 20230397459Abstract: A display module and a display device are provided. A plurality of first scanning lines are electrically connected to a plurality of first gate driving circuits, a plurality of pixel driving circuits, and a reset module. The reset module outputs a first reset signal within a blanking interval, so that the plurality of bias signals transmitted by the plurality of data lines are applied to the plurality of first transistors through the second transistors in the plurality of pixel driving circuits. Therefore, the plurality of first transistors are turned on in the blanking interval at the same time to improve a flicker problem when the display module is driven at a low-frequency.Type: ApplicationFiled: June 2, 2022Publication date: December 7, 2023Inventors: Mian ZENG, Liang SUN
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Patent number: 11783760Abstract: The present disclosure provides a pixel circuit and a display panel. The pixel circuit controls a conduction time of the driving module according to a connected triangle-wave analog signal, a time controlling analog signal, and a brightness control analog signal connected through an analog comparator, and controls a conduction degree of the driving module according to a brightness control analog signal connected through the analog comparator; thus a light-emitting time and/or luminous brightness of a light-emitting module is controlled, and multi-gray-scale display with a simpler pixel circuit structure is realized.Type: GrantFiled: September 22, 2021Date of Patent: October 10, 2023Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Lei Wu, Mian Zeng, Liang Sun
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Patent number: 11647659Abstract: An organic light emitting diode (OLED) display panel and an electronic device. The display panel includes a substrate and a transparent display area disposed on the substrate, the transparent display area comprises a plurality of pixel units and a plurality of transparent units disposed at intervals.Type: GrantFiled: May 5, 2019Date of Patent: May 9, 2023Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Liang Sun, Mian Zeng
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Publication number: 20230071459Abstract: The present disclosure provides a pixel circuit and a display panel. The pixel circuit controls a conduction time of the driving module according to a connected triangle-wave analog signal, a time controlling analog signal, and a brightness control analog signal connected through an analog comparator, and controls a conduction degree of the driving module according to a brightness control analog signal connected through the analog comparator; thus a light-emitting time and/or luminous brightness of a light-emitting module is controlled, and multi-gray-scale display with a simpler pixel circuit structure is realized.Type: ApplicationFiled: September 22, 2021Publication date: March 9, 2023Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Lei Wu, Mian Zeng, Liang Sun
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Patent number: 11563175Abstract: The present disclosure provides a display panel and a mask. The display panel does not dispose a common electrode layer in a transparent area and an aisle area, and by this way, after the transparent area of the display panel is cut to form a through-hole, the common electrode layer can still be protected by other film layers and not be directly exposed to air, thereby preventing intrusion of water and oxygen.Type: GrantFiled: January 13, 2020Date of Patent: January 24, 2023Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Shoucheng Wang, Xue Li, Mian Zeng
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Patent number: 11552271Abstract: A mask plate for fabricating a display panel and an application thereof are provided. The mask plate is configured to vapor-deposit a metal cathode layer of the display panel and includes a first blocking region and a first opening region disposed in the first blocking region, wherein a second blocking region is disposed in the first opening region, and the second blocking region is provided with a plurality of second opening regions spaced apart from each other.Type: GrantFiled: September 10, 2019Date of Patent: January 10, 2023Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Liang Sun, Mian Zeng
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Patent number: 11444143Abstract: The present disclosure provides an active-matrix organic light-emitting diode (AMOLED) display panel and a display device. The AMOLED display panel includes a plurality of first pixel units and a plurality of second pixel units. The first pixel unit includes a first sub-pixel and a second sub-pixel. The present disclosure is achieved by the first sub-pixel and the second sub-pixel in the first pixel unit to share one of the data lines, and by another first sub-pixel and a third sub-pixel in the second pixel unit to share one of the data lines, such that a quantity of data lines and a quantity of fan-out wires are reduced, so as to reduce a size of a lower bezel.Type: GrantFiled: August 30, 2021Date of Patent: September 13, 2022Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTDInventors: Mian Zeng, Liang Sun, Shoucheng Wang
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Publication number: 20220159162Abstract: The invention provides an imaging compensation device, method, and application. The imaging compensation method comprises the steps of: capturing a first image from a predetermined object by a camera; capturing a second image from the predetermined object through a display panel by the camera installed under the display panel; analyzing difference between parameters of the first image and parameters of the second image to construct an imaging compensation algorithm; and using the imaging compensation algorithm to compensate parameters of a last obtained image captured through the display panel by the camera.Type: ApplicationFiled: August 27, 2019Publication date: May 19, 2022Inventors: Liang SUN, Mian ZENG