Pixel driving circuit and display device
A pixel driving circuit and transistor driving technology, applied in static indicators, instruments, etc., can solve problems such as low contrast, abnormal display brightness, etc.
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[0023]As mentioned in the background, there are technical problems in the prior art that the display screen with high resolution and large screen has abnormal display brightness and low contrast ratio. The inventor found that the reason for this problem is as follows. The resolution of the display screen is getting higher and higher, which leads to the reduction of the writing time of the pixel circuit and the insufficient driving voltage of the pixel, so that the pixel circuit cannot correctly display the corresponding brightness, and even the black state is not black enough, which reduces the contrast of the display screen. .
[0024] In order to solve the above problems, the present invention provides a pixel driving circuit, which is used to drive high-resolution and large-screen display screens to emit light, by receiving a pixel driving voltage close to the pixel driving voltage of the row before driving the light-emitting module to receive the driving voltage Driving t...
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