Patents by Inventor Zhida Xu
Zhida Xu 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: 12080218Abstract: A display device is provided, including a circuit board, a display panel, a plurality of clock signal lines, and a plurality of grounding resistors. Each clock signal line extends from the circuit board to a non-display area of the display panel. The plurality of grounding resistors are disposed on the circuit board. Each grounding resistor is connected to a corresponding clock signal line, and is configured to reduce a voltage value of high level of the clock signal.Type: GrantFiled: November 16, 2021Date of Patent: September 3, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xiaohui Yao, Hua Fu, Zhida Xu
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Publication number: 20240038131Abstract: A display device is provided, including a circuit board, a display panel, a plurality of clock signal lines, and a plurality of grounding resistors. Each clock signal line extends from the circuit board to a non-display area of the display panel. The plurality of grounding resistors are disposed on the circuit board. Each grounding resistor is connected to a corresponding clock signal line, and is configured to reduce a voltage value of high level of the clock signal.Type: ApplicationFiled: November 16, 2021Publication date: February 1, 2024Inventors: Xiaohui YAO, Hua FU, Zhida XU
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Patent number: 11881188Abstract: A array substrate includes a plurality of stages of cascaded GOA units and a plurality of corresponding clock signal lines electrically connected to them. Each stage of GOA units includes a first output transistor. In the plurality of stages of GOA units, the plurality of first output transistors increase in size along a predetermined direction. The predetermined direction is a signal transmission direction of any of the clock signal lines.Type: GrantFiled: June 2, 2020Date of Patent: January 23, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Zhida Xu, Ilgon Kim
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Patent number: 11798953Abstract: The present application provides an array substrate and a display panel. The array substrate includes fan-out regions and an inverted region formed between two adjacent fan-out regions. The array substrate includes metal lines and floating metal lines. The metal lines include first metal lines in the fan-out region and second metal lines in the inverted triangle region. The floating metal lines include a first floating metal line arranged between the first metal lines and the second metal lines. The array substrate includes an alignment film arranged on the metal lines and the floating metal lines.Type: GrantFiled: November 24, 2020Date of Patent: October 24, 2023Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Zhida Xu
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Patent number: 11763769Abstract: The present application provides a GOA device and a gate driving circuit. The GOA device includes a pull-up control circuit, a bootstrap capacitor, a pull-up circuit, a pull-down circuit, and a pull-down holding circuit. The present application decreases a number of TFTs of the gate driving circuit and simplifies a structure of the gate driving circuit by multiplexing the bootstrap capacitor, the pull-down circuit, and the pull-down holding circuit.Type: GrantFiled: June 5, 2020Date of Patent: September 19, 2023Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Zhida Xu, Xiaohui Yao, Ilgon Kim
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Publication number: 20230119817Abstract: The present application provides a GOA device and a gate driving circuit. The GOA device includes a pull-up control circuit, a bootstrap capacitor, a pull-up circuit, a pull-down circuit, and a pull-down holding circuit. The present application decreases a number of TFTs of the gate driving circuit and simplifies a structure of the gate driving circuit by multiplexing the bootstrap capacitor, the pull-down circuit, and the pull-down holding circuit.Type: ApplicationFiled: June 5, 2020Publication date: April 20, 2023Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Zhida XU, Xiaohui YAO, Ilgon KIM
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Publication number: 20230101702Abstract: The present application provides an array substrate and a display panel. The array substrate includes a plurality of stages of cascaded GOA units and a plurality of corresponding clock signal lines electrically connected to them. Each stage of GOA units includes a first output transistor. In the plurality of stages of GOA units, the plurality of first output transistors increase in size along a predetermined direction. The predetermined direction is a signal transmission direction of any of the clock signal lines.Type: ApplicationFiled: June 2, 2020Publication date: March 30, 2023Inventors: Zhida XU, Ilgon KIM
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Patent number: 11443668Abstract: A driving circuit and a display panel are provided. In a driving circuit structure, a clock signal line group includes a plurality of clock signal lines, the clock signal lines are arranged side by side, and there is a first pitch between two adjacent clock signal lines. A non-high frequency signal line is provided on two sides of the clock signal line group. A redundant clock signal line is disposed between the clock signal line group and the non-high frequency signal line, and a frequency and an amplitude of a signal received by the redundant clock signal line are the same as a frequency and an amplitude of a signal received by the clock signal line.Type: GrantFiled: April 23, 2020Date of Patent: September 13, 2022Inventors: Zhida Xu, Ilgon Kim, Bin Zhao, Xin Zhang, Jun Zhao
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Publication number: 20220199649Abstract: The present application provides an array substrate and a display panel. The array substrate includes fan-out regions and an inverted region formed between two adjacent fan-out regions. The array substrate includes metal lines and floating metal lines. The metal lines include first metal lines in the fan-out region and second metal lines in the inverted triangle region. The floating metal lines include a first floating metal line arranged between the first metal lines and the second metal lines. The array substrate includes an alignment film arranged on the metal lines and the floating metal lines.Type: ApplicationFiled: November 24, 2020Publication date: June 23, 2022Inventor: Zhida XU
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Publication number: 20220122504Abstract: A driving circuit and a display panel are provided. In a driving circuit structure, a clock signal line group includes a plurality of clock signal lines, the clock signal lines are arranged side by side, and there is a first pitch between two adjacent clock signal lines. A non-high frequency signal line is provided on two sides of the clock signal line group. A redundant clock signal line is disposed between the clock signal line group and the non-high frequency signal line, and a frequency and an amplitude of a signal received by the redundant clock signal line are the same as a frequency and an amplitude of a signal received by the clock signal line.Type: ApplicationFiled: April 23, 2020Publication date: April 21, 2022Inventors: Zhida XU, Ilgon KIM, Bin ZHAO, Xin ZHANG, Jun ZHAO
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Publication number: 20220123086Abstract: The present application discloses a display panel, which includes a signal line group, a driving module, and connecting lines located in a layer different from the signal line group, wherein each of the first signal lines in the signal line group includes a first branch arranged along a first direction, all the first branches are arranged parallel to and spaced apart from each other, the first branches of all the first signal lines are electrically connected to a node portion, the connecting lines are disposed along a second direction, each of the first signal lines includes an overlapping portion overlapping the connecting lines, and the node portion includes the overlapping portion.Type: ApplicationFiled: April 22, 2020Publication date: April 21, 2022Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTRO DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhida XU, Ilgon KIM, Bin ZHAO, Xin ZHANG, Jun ZHAO
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Patent number: 11158228Abstract: A display driving circuit and a display device are proposed. The display driving circuit includes a plurality of driving sets. Each of the plurality of driving sets is electrically connected to all scan lines of the display device. The scan lines are electrically connected to a display unit of the display device. Each of the plurality of driving sets controls a display function of the display device through the scan lines. Each of the plurality of driving sets is electrically connected to a triggering signal line, the triggering signal line is configured to control the plurality of driving sets to drive the display device in turn.Type: GrantFiled: May 9, 2020Date of Patent: October 26, 2021Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Shanglong Wang, Zhida Xu, Ilgon Kim
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Publication number: 20210327324Abstract: A display driving circuit and a display device are proposed. The display driving circuit includes a plurality of driving sets. Each of the plurality of driving sets is electrically connected to all scan lines of the display device. The scan lines are electrically connected to a display unit of the display device. Each of the plurality of driving sets controls a display function of the display device through the scan lines. Each of the plurality of driving sets is electrically connected to a triggering signal line, the triggering signal line is configured to control the plurality of driving sets to drive the display device in turn.Type: ApplicationFiled: May 9, 2020Publication date: October 21, 2021Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Shanglong WANG, Zhida XU, Ilgon KIM
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Publication number: 20210319763Abstract: A gate driver on array (GOA) circuit and a display panel are provided. At least one reverse unit of a nth-stage GOA unit of the GOA circuit is a first reverse unit, which includes three reverse transistors. During an operation stage, when a potential of a first node is low, an input terminal of a maintenance unit is at a high potential, and when the first node is at a high potential, the input terminal of the maintenance unit is at a low potential. Only three transistors are used to achieve that a potential of the first node is opposite to a potential of a signal at the input terminal of the maintenance unit, which saves space.Type: ApplicationFiled: April 21, 2020Publication date: October 14, 2021Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhida XU, Xiaohui YAO, Ilgon KIM
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Patent number: 11043179Abstract: The present disclosure provides a GOA device and a gate drive circuit. The GOA device includes at least two GOA units in cascade. The present disclosure connects the input terminal of the pull-up control circuit to the start signal of the n?7-th stage, the control node (Qn) of the n-th GOA unit is thus pulled up to the first high potential and the bootstrap capacitor is charged. The control node (Qn) is charged 7 stages in advance, which resolves the technical problem of insufficient charging of the high-resolution high-refresh rate display panel in the related art.Type: GrantFiled: May 18, 2020Date of Patent: June 22, 2021Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhida Xu, Xiaohui Yao, Ilgon Kim