Projection display apparatus having both incoherent and laser light sources

A display apparatus for forming, on a display surface, a color image including a plurality of superimposed images, the display apparatus comprising:

• (a) a first color modulation channel for forming a first two-dimensional image, comprising:
• (a1) a first laser light source for providing a source laser beam;
• (a2) a first linear spatial light modulator for modulating said source laser beam to provide at least one modulated light beam having a first color;
• (a3) a scanning element for directing, toward a first color combiner, a scanned line image beam comprising said at least one modulated light beam having said first color;
• (b) a second color modulation channel for forming a second two-dimensional image, comprising:
• (b1) a first incoherent light source for providing a second color source beam;
• (b2) a first area spatial light modulator for modulating said second color source beam to provide a second color image beam to said first color combiner;
• (c) said first color combiner combining at least said scanned line image beam and said second color image beam to form a superimposed color image beam;
• and
• (d) a projection lens for projecting said superimposed color image beam toward the display surface.

A system for forming, on a display surface, a color image including a plurality of superimposed images, the system comprising:

• (a) a first color modulation channel for forming a first two-dimensional image, comprising:
• (a1) means for providing a source laser beam;
• (a2) means for modulating said source laser beam to provide at least one modulated light beam having a first color;
• (a3) means for directing, toward a color combiner, a scanned line image beam including said at least one modulated light beam having said first color;
• (b) a second color modulation channel for forming a second two-dimensional image, comprising:
• (b1) means for providing a second color incoherent source beam;
• (b2) means for modulating said second color incoherent source beam to provide a second color image beam to said color combiner;
• (c) said color combiner combining at least said scanned line image beam and said second color image beam to form a superimposed color image beam;
• and
• (d) means for projecting said superimposed color image beam toward the display surface.

A display apparatus for forming, on a display surface, a color image as a plurality of superimposed images, the display apparatus comprising:

• (a) a linear image modulation channel for forming a polychromatic, scanned linear image beam, comprising:
• (a1) a first laser light source for providing a first color source beam;
• (a2) a first linear spatial light modulator for modulating said first color source beam to direct, towards a first color combiner, at least one modulated light beam having a first color;
• (a3) a second laser light source for providing a second color source beam;
• (a4) a second linear spatial light modulator for modulating said second color source beam to direct, towards said first color combiner, at least one modulated light beam having a second color;
• (a5) said first color combiner combining said modulated light beam having said first color and said modulated light beam having said second color to form a combined color modulated linear light beam and directing said combined color modulated linear light beam toward a first projection lens;
• (a6) said first projection lens directing said combined color modulated linear light beam toward a scanning element for forming said scanned linear image beam, said first projection lens projecting said scanned linear image beam toward the display surface;
• (b) an area image modulation channel for forming an area image beam, comprising:
• (b1) an incoherent light source for providing an area source beam;
• (b2) a first area spatial light modulator for modulating said area source beam to provide said area image beam;
• and
• (b3) a second projection lens for projecting said area image beam toward the display surface.

A display apparatus for forming, on a display surface, a color image comprising a plurality of superimposed color images, the display apparatus comprising:

• (a) a first color modulation channel for forming a first color two-dimensional image, comprising:
• (a1) a laser light source for providing a first color source beam;
• (a2) a linear spatial light modulator for modulating said first color source beam to provide a modulated light beam having a first color;
• (a3) a scanning element for scanning said modulated light beam having said first color to form said first color two-dimensional image;
• (b) a second color modulation channel comprising an emissive display for forming a second color two-dimensional image;
• and
• (c) at least one projection lens for projecting, toward the display surface, the color image comprising said first color two-dimensional image superimposed with said second color two-dimensional image.

A display apparatus for forming, on a display surface, a color image comprising a plurality of superimposed color images, the display apparatus comprising:

• (a) a first color modulation channel for forming a green two-dimensional image, comprising:
• (a1) a laser light source for providing a green source beam;
• (a2) a first spatial light modulator for modulating said green source beam to form said green two-dimensional image having a first resolution;
• (b) a second color modulation channel for forming a second color two-dimensional image, comprising:
• (b1) an incoherent light source for providing a second color source beam;
• (b2) an area spatial light modulator for modulating said second color source beam to form a second color two-dimensional image having a second resolution, wherein said first resolution is greater than said second resolution;
• and
• (c) at least one projection lens for projecting, toward the display surface, the color image comprising said green two-dimensional image superimposed with said second color two-dimensional image.

A method for forming, on a display surface, a color image as a plurality of superimposed images, comprising the steps of:

• (a) forming a first color linear image beam including the steps of:
• (a1) providing a first color laser source beam;
• (a2) modulating said first color laser source beam to provide at least one diffracted light beam having a first color;
• (b) forming a second color two-dimensional image beam including the steps of:
• (b1) providing a second color source beam from an incoherent light source;
• (b2) modulating said second color source beam;
• (c) combining said first color linear image beam with said second color two-dimensional image beam to form a superimposed image beam;
• and
• (d) projecting said superimposed image beam toward the display surface.

A method for forming a color image as a plurality of superimposed two-dimensional images, comprising the steps of:

• (a) forming a first color two-dimensional image including the steps of:
• (a1) providing a first color laser source beam;
• (a2) modulating said first color laser source beam to provide a modulated light beam having a first color;
• (a3) scanning said modulated light beam having said first color to form said first color two-dimensional image;
• (b) forming a second color two-dimensional image including the steps of:
• (b1) providing a second color source beam from an incoherent light source;
• (b2) modulating said second color source beam to form a second color two-dimensional image;
• and
• (c) projecting the color image comprising said first color two-dimensional image superimposed with said second color two-dimensional image.

A method for forming, on a display surface, a color image as a plurality of superimposed two-dimensional images, comprising the steps of:

• (a) forming a polychromatic, scanned linear image beam including the steps of:
• (a1) providing a first color laser source beam;
• (a2) modulating said first color laser source beam to form at least one modulated light beam having a first color;
• (a3) providing a second color laser source beam;
• (a4) modulating said second color laser source beam to form at least one modulated light beam having a second color;
• (a5) combining said modulated light beam having said first color and said modulated light beam having said second color to form a combined color modulated linear light beam;
• (a6) directing said combined color modulated linear light beam toward a scanning element for forming said scanned linear image beam;
• (a7) projecting said scanned linear image beam toward the display surface;
• (b) forming an area image beam including the steps of:
• (b1) providing an area source beam from an incoherent light source;
• (b2) modulating said area source beam to provide said area image beam;
• and
• (b3) projecting said area image beam toward the display surface.

A method for forming, on a display surface, a color image as a plurality of superimposed two-dimensional images, comprising the steps of:

• (a) forming a first color two-dimensional image including the steps of:
• (a1) providing a first color laser source beam;
• (a2) modulating said first color laser source beam to provide a modulated light beam having a first color;
• (a3) scanning said modulated light beam having said first color to form said first color two-dimensional image;
• (b) activating an emissive imaging array device to form a second color two-dimensional image;
• and
• (c) projecting, toward the display surface, the color image comprising said first color two-dimensional image superimposed with said second color two-dimensional image.