Array substrate, preparation method thereof and display device

摘要: The invention discloses an array substrate, a preparation method thereof and display device. substrate comprises substrate; thin film transistor structure layer which is arranged on the surface of one side more than two devices; flat side, far away from layer; plurality first through holes penetrate are formed at sides each device; conductive isarranged layer, wherein middle part conducting opposite to device, ends respectively extend attached bottom holes. Thearray device have beneficial effects that etched in shielding so light rays front enter service life prolonged.