Light-mixing module having mask in corner thereof

Details Light-mixing module having mask in corner thereof Light-mixing module having mask in corner thereof

2008-03-18

2008-03-18

Husar, Stephen F (Department: 2875)

Illumination

Plural light sources

With modifier

C349S068000, C349S069000, C362S097200, C362S231000, C362S800000

Reexamination Certificate

active

11453813

ABSTRACT:
A light-mixing module includes a luminous panel having a plurality of red, green, and blue illuminants arranged alternately, at least one corner being formed in an area defined by the arrangement of the illuminants, a predetermined illuminant being located at the corner; at least one mask located above the luminous panel and over the corner for attenuating the light emitted therethrough from the predetermined illuminant thereunder and having a transmittance preferably lower than 90%; and a light-mixing panel located above the luminous panel and the mask. The light emitted from the illuminants passes through the light-mixing panel for mixture to generate required colored light and then to emit outward. Accordingly, the mask prevents the predetermined illuminant from displaying a weighted color, thus attaining the potency of even light mixture.

REFERENCES:
patent: 6791636 (2004-09-01), Paolini et al.
patent: 6883933 (2005-04-01), Matsui et al.
patent: 7281816 (2007-10-01), Suzuki

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