Patents by Inventor Zuomin Liao
Zuomin 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: 11955049Abstract: A display panel and a corresponding driving method are provided, including at least an N?1th stage demultiplexing subcircuit and an Nth stage demultiplexing subcircuit. The N?1th stage demultiplexing subcircuit includes at least M N?1th stage demultiplexing units, wherein M and N are both integers not less than 2. By disposing at least two stages of the demuxing subcircuits in cascade, one signal can time-sharingly multiplex to a plurality of signals and correspondingly exponentially reduce a number of signal wirings.Type: GrantFiled: November 13, 2020Date of Patent: April 9, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Zuomin Liao, Songpo Xiang
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Publication number: 20230306889Abstract: A display panel and a corresponding driving method are provided, including at least an N?1th stage demultiplexing subcircuit and an Nth stage demultiplexing subcircuit. The N?1th stage demultiplexing subcircuit includes at least M N?1th stage demultiplexing units, wherein M and N are both integers not less than 2. By disposing at least two stages of the demuxing subcircuits in cascade, one signal can time-sharingly multiplex to a plurality of signals and correspondingly exponentially reduce a number of signal wirings.Type: ApplicationFiled: November 13, 2020Publication date: September 28, 2023Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Zuomin LIAO, Songpo XIANG
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Patent number: 11611720Abstract: The present invention discloses a display device and a manufacturing method thereof, the display device has a camera region and a displaying region surrounding the camera region, and has a cover plate; a transparent release agent layer disposed on the cover plate and is located in the camera region; a display function structural layer disposed on a surface of the cover plate with the transparent release agent layer; a protective adhesive layer disposed on the display function structural layer, and the protective adhesive layer having a first through hole corresponding to a region of the transparent release agent layer; the display function structural layer having a second through hole corresponding to the region of the transparent release agent layer.Type: GrantFiled: November 7, 2019Date of Patent: March 21, 2023Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yong Zhao, Zuomin Liao, Tao Chen
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Patent number: 11456346Abstract: The present invention provides a display panel and a display device. The display panel includes a main display region and at least one function add-on region, the function add-on region includes at least one display light-transmitting region, a plurality of first pixel driving circuits are disposed at a periphery of the display light-transmitting region, and a multiple layers transparent lines is disposed to electrically connect a first pixel anode and the first pixel driving circuits to drive first display pixels to emit light, which is beneficial for increasing wiring space, as well as improving light transmittance, photographing effect, and display effect of under-screen cameras.Type: GrantFiled: November 6, 2019Date of Patent: September 27, 2022Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yong Zhao, Zuomin Liao, Tao Chen
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Patent number: 11342400Abstract: A display panel and an electronic equipment are provided. By disposing a plurality of pixel driving circuit islands on a periphery of a transparent display zone, wherein each of the pixel driving circuit islands includes a plurality of first pixel driving circuits, and at least part of the first pixel driving circuits of at least part of the pixel driving circuit islands is used for driving a plurality of first display pixels of the transparent display zone, a driving circuit is not disposed on the transparent display region, thereby improving a light transmittance rate of the transparent display region.Type: GrantFiled: November 7, 2019Date of Patent: May 24, 2022Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yong Zhao, Zuomin Liao, Tao Chen
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Patent number: 11221693Abstract: The present invention provides a display panel and a display device. The display panel includes a touch layer, a main display region, and a functional add-on region. A plurality of first pixels are arranged in the functional add-on region, and the touch layer is provided with an opening corresponding to the functional add-on region. A transmittance of the touch layer corresponding to the functional add-on region is greater than a transmittance of the touch layer corresponding to the main display region.Type: GrantFiled: November 6, 2019Date of Patent: January 11, 2022Assignee: Wuhan China Star Optoelectronics Semiconduetor Display Technology Co., Ltd.Inventors: Yong Zhao, Zuomin Liao, Tao Chen
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Publication number: 20210408200Abstract: The present invention provides a display panel and a display device. The display panel includes a main display region and at least one function add-on region, the function add-on region includes at least one display light-transmitting region, a plurality of first pixel driving circuits are disposed at a periphery of the display light-transmitting region, and a multiple layers transparent lines is disposed to electrically connect a first pixel anode and the first pixel driving circuits to drive first display pixels to emit light, which is beneficial for increasing wiring space, as well as improving light transmittance, photographing effect, and display effect of under-screen cameras.Type: ApplicationFiled: November 6, 2019Publication date: December 30, 2021Inventors: Yong ZHAO, Zuomin LIAO, Tao CHEN
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Publication number: 20210408191Abstract: The present application provides a display panel and an electronic device, wherein by setting a ratio of a vertical distance from a center point of the additional functional area to one of the first side and the third side to a vertical distance between the first side and the third side ranging from 1/10 to 1/2 and a ratio of a vertical distance from the center point of the additional functional area to one of the second side and fourth side to a vertical distance between the second side and fourth side ranging from 1/10 to 1/2.Type: ApplicationFiled: December 23, 2019Publication date: December 30, 2021Inventors: Yong ZHAO, Zuomin LIAO, Tao CHEN
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Publication number: 20210384266Abstract: A display panel and an electronic equipment are provided. By disposing a plurality of pixel driving circuit islands on a periphery of a transparent display zone, wherein each of the pixel driving circuit islands includes a plurality of first pixel driving circuits, and at least part of the first pixel driving circuits of at least part of the pixel driving circuit islands is used for driving a plurality of first display pixels of the transparent display zone, a driving circuit is not disposed on the transparent display region, thereby improving a light transmittance rate of the transparent display region.Type: ApplicationFiled: November 7, 2019Publication date: December 9, 2021Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yong ZHAO, Zuomin LIAO, Tao CHEN
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Publication number: 20210360194Abstract: The present invention discloses a display device and a manufacturing method thereof, the display device has a camera region and a displaying region surrounding the camera region, and has a cover plate; a transparent release agent layer disposed on the cover plate and is located in the camera region; a display function structural layer disposed on a surface of the cover plate with the transparent release agent layer; a protective adhesive layer disposed on the display function structural layer, and the protective adhesive layer having a first through hole corresponding to a region of the transparent release agent layer; the display function structural layer having a second through hole corresponding to the region of the transparent release agent layer.Type: ApplicationFiled: November 7, 2019Publication date: November 18, 2021Inventors: Yong Zhao, Zuomin Liao, Tao Chen
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Patent number: 11094718Abstract: The TFT array substrate has a third conductive layer connected to a first conductive layer and a second conductive layer through a first via and a second via, respectively. The third conductive layer further has separated first and second openings. The first opening has a vertical projection to a side of the second via and has an end extending beyond an edge of the second via adjacent to the first via. The second opening has a vertical projection to a side of the first via and has an end extending beyond an edge of the first via adjacent to the second via. As such, when the third conductive layer is stricken by static electricity, the first and second openings prevent a crack from breaking the first and second conductive layers apart, thereby enhancing the reliability of the connection between the first and second conductive layers.Type: GrantFiled: September 27, 2018Date of Patent: August 17, 2021Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zuomin Liao, Yanyang Li
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Patent number: 11088225Abstract: The present invention provides a display device including a display panel. The display panel includes a main display region and a function additional region, and at least a portion of the function additional region is surrounded by the main display region. A plurality of first pixels are arranged in the function additional region. At least one light transmitting region is disposed in the function additional region, and an area of each of the at least one light transmitting region is greater than or equal to 0.32 mm2.Type: GrantFiled: November 6, 2019Date of Patent: August 10, 2021Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yong Zhao, Zuomin Liao, Tao Chen
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Patent number: 11074856Abstract: The present application provides a display panel and a display device, the display panel makes a circuit structure of a first pixel driving circuit driving a first display pixel of a display transparent area to emit light different from a circuit structure of a second pixel driving circuit driving a second display pixel of a main display area to emit light, thereby reducing an area of a function add-on area occupied by the first pixel driving circuit, increasing an area of the display transparent area, improving light transmittance of the display transparent area, and improving photographing effect of under screen camera.Type: GrantFiled: November 7, 2019Date of Patent: July 27, 2021Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yong Zhao, Zuomin Liao, Tao Chen
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Patent number: 11056081Abstract: A display panel and a display device are provided. The display panel includes at least one first display area, and a second display area located at a periphery of the first display area. The first display area includes a plurality of first repeating sub-areas that can be repeatedly arranged in both a first direction and a second direction. The second display area includes a plurality of second repeating sub-areas that has a same size as the first repeating sub-areas. A number of the pixels disposed within the first repeating sub-areas is less than a number of the pixels disposed within the second repeating sub-areas.Type: GrantFiled: November 6, 2019Date of Patent: July 6, 2021Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yong Zhao, Zuomin Liao, Tao Chen
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Publication number: 20210126019Abstract: The TFT array substrate has a third conductive layer connected to a first conductive layer and a second conductive layer through a first via and a second via, respectively. The third conductive layer further has separated first and second openings. The first opening has a vertical projection to a side of the second via and has an end extending beyond an edge of the second via adjacent to the first via. The second opening has a vertical projection to a side of the first via and has an end extending beyond an edge of the first via adjacent to the second via. As such, when the third conductive layer is stricken by static electricity, the first and second openings prevent a crack from breaking the first and second conductive layers apart, thereby enhancing the reliability of the connection between the first and second conductive layers.Type: ApplicationFiled: September 27, 2018Publication date: April 29, 2021Inventors: Zuomin Liao, Yanyang Li
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Patent number: 10923058Abstract: The present invention provides a pixel driving circuit, a display panel, and a display device. The pixel driving circuit includes: an upper plate of a liquid crystal capacitor and an upper plate of a storage capacitor both connected to a drain of a driving thin film transistor, and a lower plate of the liquid crystal capacitor and a lower plate of the storage capacitor both connected to a voltage regulator module. When the display panel is powered off, the voltage regulator module keeps a voltage difference between the upper and lower plates of the liquid crystal capacitor and the upper and lower plates of the storage capacitor constant.Type: GrantFiled: November 26, 2018Date of Patent: February 16, 2021Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Zuomin Liao, Dian Zhang
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Publication number: 20210043166Abstract: A display panel and a display device are provided. The display panel includes at least one first display area, and a second display area located at a periphery of the first display area. The first display area includes a plurality of first repeating sub-areas that can be repeatedly arranged in both a first direction and a second direction. The second display area includes a plurality of second repeating sub-areas that has a same size as the first repeating sub-areas. A number of the pixels disposed within the first repeating sub-areas is less than a number of the pixels disposed within the second repeating sub-areas.Type: ApplicationFiled: November 6, 2019Publication date: February 11, 2021Inventors: Yong ZHAO, Zuomin LIAO, Tao CHEN
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Publication number: 20210043702Abstract: The present invention provides a display device including a display panel. The display panel includes a main display region and a function additional region, and at least a portion of the function additional region is surrounded by the main display region. A plurality of first pixels are arranged in the function additional region. At least one light transmitting region is disposed in the function additional region, and an area of each of the at least one light transmitting region is greater than or equal to 0.32 mm2.Type: ApplicationFiled: November 6, 2019Publication date: February 11, 2021Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yong ZHAO, Zuomin LIAO, Tao CHEN
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Publication number: 20210041969Abstract: The present invention provides a display panel and a display device. The display panel includes a touch layer, a main display region, and a functional add-on region. A plurality of first pixels are arranged in the functional add-on region, and the touch layer is provided with an opening corresponding to the functional add-on region. A transmittance of the touch layer corresponding to the functional add-on region is greater than a transmittance of the touch layer corresponding to the main display region.Type: ApplicationFiled: November 6, 2019Publication date: February 11, 2021Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yong ZHAO, Zuomin LIAO, Tao CHEN
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Publication number: 20210043135Abstract: The present application provides a display panel and a display device, the display panel makes a circuit structure of a first pixel driving circuit driving a first display pixel of a display transparent area to emit light different from a circuit structure of a second pixel driving circuit driving a second display pixel of a main display area to emit light, thereby reducing an area of a function add-on area occupied by the first pixel driving circuit, increasing an area of the display transparent area, improving light transmittance of the display transparent area, and improving photographing effect of under screen camera.Type: ApplicationFiled: November 7, 2019Publication date: February 11, 2021Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yong ZHAO, Zuomin LIAO, Tao CHEN