Illumination device and image projection apparatus comprising the device

Claim 1

An illumination device, comprising: a light source, comprising an array of a plurality of light emitting devices; and an illumination uniformizing means, disposed in from of the light source to uniformizing a light emitted from the light source, the further illumination uniformizing means further comprising: a wedge glass rod array of a plurality of wedged glass rods, each wedged glass and has a first and a second end and corresponding to at least one of the light emitting devices, the first end being closely disposed to the corresponding light emitting device to collect the light therefrom directly, the light being transmitted in a form a total reflection and uniformly projected from the second end; a lens array of a plurality of lenses, each lens being corresponding to a wedged glass rod to collect the light; and a light converging means, to converge the light from the wedged glass rod array and to project and superpose the light to a light valve.