Gate driving unit, gate driving circuit, driving method thereof, and display device
A drive unit and gate drive technology, applied in static indicators, instruments, etc., can solve problems such as the working life does not meet the design requirements, the GOA circuit is prone to failure, and the life is reduced, and achieves good life, good working stability, and reduced life. The effect of power consumption
Active Publication Date: 2020-11-13
BOE TECH GRP CO LTD +1
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Problems solved by technology
The usual GOA circuit is set on both sides of the effective display area, which requires a certain width of BM shielding, which leads to a certain width of the panel itself. Secondly, the power consumption of GOA is relatively higher than that of Gate-IC. In addition, The GOA circuit is fabricated on the panel by thin-film transistor technology, so the gate bias time of each thin-film transistor in the GOA circuit should be considered in the design to prevent the GOA circuit from failing due to excessive threshold voltage shift (Vth shift) and resulting in working life. Does not meet design requirements
Otherwise, the GOA circuit is prone to failure and the service life will be reduced
Method used
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[0034] In order for those skilled in the art to better understand the technical solutions of the present disclosure, a gate driving unit and a gate driving circuit provided by the present disclosure will be described in further detail below with reference to the accompanying drawings and specific embodiments.
[0035] figure 1 is a schematic block diagram of a gate drive unit, figure 2 Yes figure 1 A schematic circuit diagram of a specific implementation of the gate drive unit, image 3 is used for figure 2 The schematic timing diagram of the circuit, Figure 4 Yes figure 2 The schematic diagram of the gate drive circuit composed of the gate drive unit. refer to Figure 1 to Figure 4 , the gate drive circuit can use DC denoising mode.
[0036] In this example, a group of GOA circuits composed of 6 clock signals CLK is used as an example for illustration, and the GOA circuits composed of each group of clock signals usually work independently of each other and do not a...
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The invention relates to a gate driving unit and a gate driving circuit as well as a driving method and a display device thereof. The gate driving unit comprises an upper pulling module, an input module, a denoising module, a noise control module and a reset module, wherein the upper pulling module responds to the electric level of an output signal of a signal electric level control output end of an upper pulling control node; the input module responds to an upper pulling control signal to output an input control signal to the upper pulling control node; the denoising module responds to the noise of an electric level elimination upper pulling control node of a noise control node; the noise control module responds to a noise control driving signal to output the noise control signal to the noise control node; and the reset module responds to a reset control signal to reset the electric level of the upper pulling control node, wherein the input module and the noise control module are configured before pulling up the electric level of the noise control node, and the upper pulling control node is pulled down to low electric level. The upper pulling control node and noise control node in the gate driving unit can be prevented from being at high electric level simultaneously, so that the display effect is improved.
Description
technical field [0001] The present invention relates to the field of display technology, and more particularly, the present invention relates to a gate driving unit, a gate driving circuit and a driving method thereof, and a display device. Background technique [0002] In the existing display panel technology, in order to achieve low cost and narrow borders, many products will use GOA (Gatedriver On Array) technology, that is, the gate driver circuit is integrated inside the panel through a thin film transistor process, thereby reducing IC and assembly costs, etc. Advantage. The usual GOA circuit is set on both sides of the effective display area, and requires a certain width of BM to block, so that the panel itself will have a certain width of border, and the power consumption of GOA is relatively higher than that of Gate-IC. In addition, The GOA circuit is fabricated on the panel by the thin film transistor process. Therefore, the gate bias time of each thin film transis...
Claims
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IPC IPC(8): G09G3/20
CPCG09G3/20
Inventor 陈帅张智张元波金熙哲闵泰烨伏思庆董兴高贤永
Owner BOE TECH GRP CO LTD