Patent attributes
A lamp capable of expanding illumination range includes a lighting and cooling module, a reflective cup, a lampshade, a diffuser plate and a wash wall cup. The reflective cup and lampshade are connected to the lighting and cooling module; the lampshade surrounds the reflective cup; the diffuser plate is divided into an oblique circular arc plate and a riser; the circular arc plate has rule gratings formed by convex and concave embossed marks. A front arc wall is built on a side of the wash wall cup, and a rear arc wall is built on the other side. An inlay seam is formed between the front and rear arc walls; the circular arc plate is mounted onto the front arc wall; edges of the riser are plugged into the inlay seam; and the wash wall cup is plugged from the bottom of the lampshade to form the lamp.
