TFT array substrate structure
2016
The invention provides a TFT array substrate structure. A patterned metal shielding layer (100) comprises a plurality of metal shielding blocks (101) and a metal narrow strip (102), wherein the plurality of metal shielding blocks (101) are arranged in an array form; the metal narrow strip (102) is connected with two adjacent metal shielding blocks (101); the metal shielding layer (100) and a common electrode (60) are connected to a common voltage signal (COM); aiming at each TFT (90), a pixel electrode (80) is in contact with a drain (92) of the TFT (90), so that the opposite overlapping parts of the pixel electrode (80) and the common electrode (60) form a first storage capacitor (Cst1); the opposite overlapping parts of the metal shielding layer (100) and the drain (92) and the pixel electrode (80) form a second storage capacitor (Cst2); the first storage capacitor (Cst1) and the second storage capacitor (Cst2) form a parallel relationship; the capacity of the storage capacitors can be increased; the metal shielding layer (100) is located in a shielding region; and the aperture ratio is not affected by improvement of the metal shielding layer (100).
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