Projector using independent multiple wavelength light sources

Details Projector using independent multiple wavelength light sources Projector using independent multiple wavelength light sources

G - Physics

02

B

G02B 27/00 (2006.01) H04N 9/00 (2006.01)

Patent

CA 2703860

A digital image projector (10) for increasing brightness includes a first light source (44, 44a); a second light source (44, 44b) that is spectrally adjacent to the first light source; a dichroic beamsplitter (46, 62) disposed to direct light of both the first and second light source; a spatial light modulator (60) that receives light from both the first and second light sources; and projection optics (70) for delivering imaging light from the spatial light modulator.

L'invention porte sur un projecteur d'image numérique (10) permettant d'augmenter la brillance, qui comprend une première source de lumière (44, 44a) ; une seconde source de lumière (44, 44b) qui est spectralement adjacente à la première source de lumière ; un diviseur de faisceaux dichroïques (46, 62) disposé pour diriger la lumière à la fois de la première et de la seconde source de lumière ; un modulateur spatial de lumière (60) qui reçoit la lumière provenant à la fois de la première et de la seconde source de lumière ; et une optique de projection (70) pour distribuer une lumière d'imagerie à partir du modulateur spatial de lumière.

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