OLED screen, manufacturing method thereof and electronic device

The invention relates to an OLED screen, a manufacturing method thereof and an electronic device. The OLED screen comprises a cover plate, a substrate, an organic light-emitting diode, a waterproof sealing frame and a solid-state UV glue layer, wherein the cover plate and the substrate are arranged opposite to each other, the organic light-emitting diode is arranged between the cover plate and thesubstrate, the waterproof sealing frame is connected between an edge of the cover plate and an edge of the substrate, the waterproof sealing frame, the cover plate and the substrate jointly form a sealed cavity, the organic light-emitting diode is arranged in the sealed cavity formed by encircling of the cover plate, the substrate and the waterproof frame, and the cavity formed by encircling of the cover plate, the substrate and the waterproof frame is filled with the UV glue layer. The solid-state UV glue layer is arranged in the OLED screen, the cover plate and the substrate are attached toeach other, the cover pla