Patent ID: 8591040

Claim:
A projection device, comprising: a light source system, wherein the light source system includes: a solid-state light source configured to provide light, wherein the solid state light source includes light emitting diodes (LEDs) and the LEDs include a white LED configured to produce a white light and further include color LEDs configured to produce colors of light including a red LED configured to produce red light, a green LED configured to produce green light, a blue LED configured to produce blue light; and light source optics configured to mix light from the LEDs where in the light source optics include a dichroic filter configured to pass one of the colors of light and reflect the other colors of light, wherein the dichroic filter includes light entrances, where the white light and at least one of the colors of light enter a same entrance of the dichroic filter; and a gate having a cross sectional gate area, wherein the light source optics are configured to distribute light from the solid-state light source across the gate area of the gate, wherein the gate is configured to be used to produce an object to be imaged by the projection device; and projection optics configured to project an image of the object.