Abstract: A lamp reflector includes a body including a plurality of sheets; a plurality of heat sinks connecting the sheets to form a corn shape; and a plurality of light emitting modules disposed on a surface of the heat sink in such a manner that the light emitting modules face an inner space of the body, wherein each of the light emitting modules includes: a substrate fixed to the surface; and a plurality of light emitting diodes disposed on the substrate and electrically connected to each other by the substrate.

Abstract: A LED lamp assembly includes a rectangular electrical box formed of two symmetrical U-shaped frame panels that are detachably fastened together by a tongue-and-groove joint and holding therein a control circuit board that is affixed to two parallel mounting grooves in one U-shaped frame panel by screw nails, a back cover plate and a bracket affixed to the electrical box at two opposite sides for mounting, and an elongated, rectangular light source unit affixed to the bracket and controllable by the control circuit board to emit light.

Abstract: A LED lamp assembly for use in a long passage includes an elongated rectangular housing carrying multiple power-output electric connectors, a power-input electric connector and a power switch, a flat rectangular light source having a light-emitting face and selectively fastened to a rectangular top end of housing in one of four angular positions that spaced from one another at 90° angle, and a mounting plate extending perpendicularly from one side of the rectangular end wall of the housing having a plurality a plurality of equiangularly spaced and smoothly arched mounting slots for mounting.