Importance

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Abstract

Provided are a display substrate and a display device. The display substrate includes a driving transistor and a storage capacitor, the storage capacitor includes a first electrode plate and a second electrode plate, the second electrode plate is arranged in a same layer as the channel of the driving transistor, the second electrode plate is closer to the base substrate than the first electrode plate, an orthographic projection of the second electrode plate on the base substrate overlaps with an orthographic projection of the pixel opening on the base substrate, the display substrate satisfies a following relationship: a value range of (W*L+S2)*M1/M2 is [0.014, 0.133], and a value range of S2/(W*L) is [2.82, 28.85], where W is a width of the channel of the driving transistor, L is a length of the channel of the driving transistor, S2 is a facing area between the second electrode plate and the first electrode plate, M1 is a count of pixel openings in the display substrate, and M2 is an area of the display substrate, thus increasing the facing area between the electrode plates of the storage capacitor, increasing the capacitance, and improving the holding capacity of the capacitor, and being beneficial to increasing the area ratio of the storage capacitor to the pixel opening, increasing the area proportion of the storage capacitor, and improving the display quality.

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First Claim