Patent ID: 7712928

Claim:
A street illuminating device, comprising: a hollow retaining frame comprising an inner space, a first opening and an opposite second opening, the first opening and the second opening communicating the inner space with outside; a light source module retained in the inner space of the retaining frame, the light source module comprising a printed circuit board, a plurality of solid state lighting elements; and a light reflecting plate comprising a plurality of through holes with inner reflecting surfaces therein, the printed circuit board having a first surface and an opposite second surface, the solid state lighting elements arranged on the first surface of the printed circuit board, the light reflecting plate being disposed on the first surface of the printed circuit board, with the solid state lighting elements received in the respective through holes and facing the first opening; and a heat dissipating module in thermal contact with the second surface of the printed circuit board, the heat dissipating module exposed to the outside through the second opening and configured for conducting heat from the printed circuit board to the outside.