Image projection system and method
View Patent ↗Provided are an image projection system and method, the image projection system including: a light source for providing illumination light; an illumination optics for receiving and illuminating the illumination light; a Spatial Light Modulator (SLM) having 2 rows of modulation devices formed to be offset from each other, each of the modulation devices modulating the light illuminated from the illumination optics; a frame scanner for scanning the modulated light from the SLM onto a screen to thereby generate a two-dimensional (2D) image corresponding to one frame on the screen; and a projection optics for projecting and focusing the modulated light transmitted from the frame scanner onto the screen.
1. An image projection system, comprising:
a light source for providing light;
illumination optics for re-directing the light from the light source;
a spatial light modulator including two rows of modulation devices formed to be offset from each other, each of the modulation devices modulating light re-directed from the illumination optics;
a frame scanner for scanning the modulated light from the spatial light modulator onto a screen to thereby generate a two-dimensional image corresponding to a single frame on the screen; and
projection optics for projecting and focusing the modulated light transmitted from the frame scanner onto the screen,
wherein a first plurality of pixels in a first row on the screen are illuminated by light modulated by a first row of modulation devices among the two rows of modulation devices, and a second plurality of pixels in the first row on the screen are illuminated by light modulated by a second row of modulation devices among the two rows of modulation devices.
2. The image projection system of claim 1 , wherein the spatial light modulator is formed on a single die.
3. An image projection method, comprising the steps of:
(a) illuminating light on a spatial light modulator including two rows of modulation devices formed to be offset from each other;
(b) controlling the modulation devices for modulating the illuminated light; and
(c) scanning the modulated light onto a screen to thereby generate a two-dimensional image corresponding to a single frame on the screen,
wherein in step (c), a first plurality of pixels in a first row on the screen are illuminated by light modulated by a first row of modulation devices among the two rows of modulation devices, and a second plurality of pixels in the first row on the screen are illuminated by light modulated by a second row of modulation devices among the two rows of modulation devices.