Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes: a base substrate at least including a pixel area and a hole area; a plurality of sub-pixels arranged on the base substrate and located in the pixel area; a hole in the hole area; a first barrier dam arranged between the sub-pixels and the hole and at least partially surrounding the hole; an organic material layer including at least one film layer, wherein an orthographic projection of the organic material layer on the base substrate falls within the pixel area; and a filling structure, wherein at least a portion of the filling structure is arranged between the hole and the first barrier dam, and the filling structure and the at least one film layer of the organic material layer are located in the same layer and include the same material.

Abstract: An injection molding method for a product with a connection elastic sheet, a loudspeaker and an electronic device are provided. The method comprises: providing a blank material comprising at least one connection piece and a material connection strip, and each connection piece comprising an elastic arm portion and a wire portion; positioning the blank material as an insert in a first injection mold by means of the material connection strip; injecting a first injection plastic part into the first injection cavity to obtain a first injection product; processing the first injection product for bending up the elastic arm portion toward an outer surface of the first injection plastic part; placing the processed first injection product into a second injection cavity of a second injection mold, and sealing the elastic arm portion; and injecting a second injection plastic part into the second injection cavity.

Abstract: An injection molding method for a product with a connection elastic sheet, a loudspeaker and an electronic device are provided. The method comprises: providing a blank material comprising at least one connection piece and a material connection strip, and each connection piece comprising an elastic arm portion and a wire portion; positioning the blank material as an insert in a first injection mold by means of the material connection strip; injecting a first injection plastic part into the first injection cavity to obtain a first injection product; processing the first injection product for bending up the elastic arm portion toward an outer surface of the first injection plastic part; placing the processed first injection product into a second injection cavity of a second injection mold, and sealing the elastic arm portion; and injecting a second injection plastic part into the second injection cavity.