US 8,770,774 B2 · Ventilation fan with lights

Abstract

A ventilation fan with lights includes an exhaust fan, a lid, and an illumination apparatus. The lid covers an entrance of the exhaust fan. The lid has plural exhaust gratings and an opening. The exhaust gratings are arranged at least adjacent to opposite sides of the opening. The illumination apparatus is embedded in the opening of the lid. The illumination apparatus includes a lamp housing, a lamp plate, plural light emitting diodes (LEDs), a lampshade, and plural scattering microstructures. LEDs are arranged on the lamp plate. The lampshade covers the lamp housing. The lampshade and the lamp housing cooperate to define a lamp chamber therebetween. The lamp plate and the LEDs are disposed in the lamp chamber. The scattering microstructures are disposed on an inner surface of the lampshade facing the lamp chamber.

Claims14

Dependent claims

An illumination apparatus for a ventilation fan with lights, the illumination apparatus comprising:

a lamp housing;
a lamp plate;
a plurality of light emitting diodes (LEDs) arranged on the lamp plate;
a lampshade which covers the lamp housing and cooperates with the lamp housing to define a lamp chamber between the lampshade and the lamp housing, wherein the lamp plate and the LEDs are disposed in the lamp chamber;
and
a plurality of scattering microstructures disposed on an inner surface of the lampshade facing the lamp chamber;
wherein the lamp housing comprises:
a base for supporting the lamp plate;
and
at least one sidewall tilted at an angle relative to the base, wherein the angle is the same as an emission angle of the LEDs.

7 more elements

Dependencies are inferred from the claim text.

Ventilation fan with lights

Life of this patent

Ventilation fan with lights

Life of this patent

Abstract

Claims14