An array substrate, a display panel, a display device, a method for manufacturing the array substrate and a method for manufacturing the display panel are provided. The array substrate includes a base substrate, and an organic layer and a passivation layer arranged above the base substrate. The base substrate includes a display region and a non-display region surrounding the display region. Each of the organic layer and the passivation layer is arranged in both the display region and the non-display region. A groove is arranged in the organic layer and the passivation layer in the non-display region, the groove penetrates the organic layer and the passivation layer and is of a closed pattern surrounding the display region. The groove is to be filled with a sealing material.