The present application relates to the technical field of display, and provides a film layer structure, a display device, and a method for manufacturing a film layer structure. According to the present application, a first organic film layer having sloped edges is provided on a substrate, and an angle between a tangent of the upper surface of each sloped edge and the substrate is less than a breakable angle, which refers to a angle at which a first additional film layer formed on the sloped edge of the first organic layer is broken or tends to be broken.
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