TILTED DICHROIC POLARIZING BEAMSPLITTER
The disclosure generally relates to beamsplitters useful in color combiners, and in particular color combiners useful in small size format projectors such as pocket projectors. The disclosed beamsplitters and color combiners include a tilted dichroic reflective polarizer plate having at least two dichroic reflective polarizers tilted at different angles relative to incident light beams, with light collection optics to combine at least two colors of light. 1. A synthesizer, comprising: Light-collecting optical device, the light collecting optical device has a light input surface and the optical axis; 1st and 2nd light source of the light source, the light source and the 1st 2nd 1st color light source is arranged to be and 2nd color light injection into the light input surface, the 1st and 2nd light source in the light source from at least one of the optical axis shift; Dichroic reflective polarizing plate, to the prepared Fluorozirconate microcrystal color reflective polarizer plate comprises: 1st dichroic reflective polarizer, the reflective polarizer dichroic 1st in polarization rotating reflector to reflect the polarization direction of the 1st 1st color light, and transmit the other light; and Second dichroic reflective polarizer, the reflective polarizer can be second dichroic reflector reflecting towards the polarization rotation of the polarization direction of the 1st 2nd color light, and transmit the other light; Wherein the 1st dichroic reflective polarizer and the second dichroic reflective polarizer their respective inclined, so that the 1st colors and the 2nd color light from the polarization rotation reflector, 2nd orthogonal to form a color of the polarization direction of polarized light beam, the polarization states gathers the color perpendicular to the light beam along the propagation direction of the polarization rotation of the reflector. 2. Synthesizer according to Claim 1, also include a polarizer, the polarizer is arranged to face the light-collecting optical device with the optical input surface and relative, to transmission stated the polarization direction of the 1st and the 2nd 1st color of the two color light. 3. Synthesizer according to Claim 1, wherein said the color reflective polarizer plate comprises a polarization beam splitter (PBS) or diagonal surface of the film. 4. Synthesizer according to Claim 1, wherein the light collecting optical device includes a light collimating optical device. 5. Synthesizer according to Claim 4, wherein the light collimating optical device includes a single lens design, double lens design, diffractive optical element, or a combination thereof. 6. Synthesizer according to Claim 1, wherein the light collecting optical device includes: 1st lens, the lens has a 1st with the light input surface of the 1st convex surface; and 2nd lens, the 2nd lens has a convex surface facing said surface of the 2nd 1st, the 2nd and 3rd surface opposite the convex surface. 7. Synthesizer according to Claim 1, wherein the polarizing and rotating the reflector comprises a quarter wavelength retardation plate and broadband reflector. 8. Synthesizer according to Claim 1, wherein the polarizing and rotating the reflector includes a spatial light modulator. 9. Synthesizer according to Claim 8, wherein the spatial light modulator comprises a reflective silicon-based liquid crystal (LCoS) display panel. 10. Synthesizer according to Claim 1, wherein the 1st dichroic reflective polarizer and second dichroic reflective polarizer each include a polymer multi-layer optical film or dielectric film with a coating. 11. Synthesizer according to Claim 1, also includes the 3rd light source, the light source is set up for the 3rd 3rd color light injection into the light input surface, wherein the two the color reflective polarizing plate also includes the 3rd dichroic reflective polarizer, the reflective polarizer dichroic 3rd capable of rotating the reflector reflecting polarization towards the polarization direction of the 1st 3rd color light and transmits the other light, the 3rd dichroic reflective polarizer inclined, so that the 3rd color light from the polarization rotation reflector, in order to form with said orthogonal to the polarization direction of the 2nd states gathers the color polarized light beam, the polarization states gathers the color perpendicular to the light beam along the propagation direction of the polarization rotation of the reflector. 12. Synthesizer according to Claim 11, wherein the 3rd dichroic reflective polarizer comprises a polymer multi-layer optical film or dielectric film with a coating. 13. Synthesizer according to Claim 11, wherein said 1st color light, the color light and the 2nd 3rd color light including red light, green light and blue light. 14. Synthesizer according to Claim 2, wherein the polarizer comprises a reflective polarizer or absorption type polarizer. 15. Synthesizer according to Claim 2, also includes in the polarizer and the light-collecting optical device a quarter of a wavelength between the retardation plate. 16. An Image projector, including according to claim 9 wherein the synthesizer and a projection optical device. 17. A synthesizer, comprising: Light-collecting optical device, the light collecting optical device has a light input surface and the optical axis; 1st and 2nd light source of the light source, the light source and the 1st 2nd 1st color light source is arranged to be and 2nd color light injection into the light input surface, the 1st and 2nd light source in the light source from at least one of the optical axis shift; Dichroic reflective polarizing plate, to the prepared Fluorozirconate microcrystal color reflective polarizer plate comprises: 1st dichroic reflective polarizer, the reflective polarizer dichroic 1st in 1st polarization rotating reflector to reflect the polarization direction of the 1st 1st color light, polarization rotation 2nd and towards the other light transmission of the reflector; Second dichroic reflective polarizer, the second dichroic reflective polarizer can be towards said 1st polarization rotating the reflector reflecting the polarization direction of the 1st 2nd color light, and the polarization rotation of the reflector toward the 2nd transmission other light; Wherein the 1st dichroic reflective polarizer and the second dichroic reflective polarizer their respective inclined, so that the: The 1st and the color from the color light 2nd 1st polarization rotation reflector, is formed with orthogonal 2nd 1st color polarization direction of the light beam; and The 1st and the color from the color light 2nd 2nd polarization rotation reflector, in order to form the color -2nd 1st polarization direction of the light beam, The 1st color color combination light beam and said 2nd 1st perpendicular to the light beam along the propagation direction of the polarization rotation of the reflector. 18. Synthesizer according to Claim 17, wherein said the color reflective polarizer plate comprises a polarization beam splitter (PBS) or diagonal surface of the film. 19. Synthesizer according to Claim 17, wherein the light collecting optical device includes a light collimating optical device. 20. Synthesizer according to Claim 19, wherein the light collimating optical device includes a single lens design, double lens design, diffractive optical element, or a combination thereof. 21. Synthesizer according to Claim 17, wherein the light collecting optical device includes: 1st lens, the lens has a 1st with the light input surface of the 1st convex surface; and 2nd lens, the 2nd lens has a convex surface facing said surface of the 2nd 1st, the 2nd and 3rd surface opposite the convex surface. 22. Synthesizer according to Claim 17, wherein said polarization rotation 1st 2nd the polarization rotation of the reflector and the at least one of the reflectors includes a spatial light modulator. 23. Synthesizer according to Claim 22, wherein said spatial light modulator includes LCoS display panel. 24. Synthesizer according to Claim 17, wherein said 1st dichroic reflective polarizer and second dichroic reflective polarizer each include a polymer multi-layer optical film or dielectric film with a coating. 25. Synthesizer according to Claim 17, also includes the 3rd light source, the power supply is set to the 3rd 3rd color light injection into the light input surface, wherein the two the color reflective polarizing plate also includes the 3rd dichroic reflective polarizer, the reflective polarizer dichroic 3rd to 1st reflector reflecting towards the polarization rotation of the polarization direction of the 1st 3rd color light and the polarization rotation of the reflector toward the 2nd transmission other light, wherein the 3rd dichroic reflective polarizer inclined, so that the 3rd 1st color light from the reflector to reflect the polarization rotation, to become with said orthogonal to the polarization direction of the 2nd 1st color combining a part of the light beam; and the 2nd 3rd color light from the reflector to reflect the polarization rotation, to become the 2nd 1st color of the polarization direction of a part of the light beam. 26. Synthesizer according to Claim 25, wherein the 3rd dichroic reflective polarizer comprises a polymer multi-layer optical film or dielectric film with a coating. 27. Synthesizer according to Claim 25, wherein said 1st color light, the color light and the 2nd 3rd color light including red light, green light and blue light. 28. An Image projector, including according to claim 17 wherein the synthesizer and a projection optical device. 29. A synthesizer, comprising: Light-collecting optical device, the light collecting optical device has a light input surface and the optical axis; 1st light source, the light source and the 2nd 3rd light source, the light source of the 1st, 2nd and 3rd light source of the light source is set to the 1st color light, and color light 2nd 3rd color light injection into the light input surface, the light source 1st, the 2nd and the 3rd of the light source in the light source from at least one of the optical axis shift; Dichroic reflective polarizing plate, to the prepared Fluorozirconate microcrystal color reflective polarizer plate comprises: 1st dichroic reflective polarizer, the reflective polarizer dichroic 1st can be reflected toward the output direction of the polarization direction of the 1st 1st color light, and transmit the other light; Second dichroic reflective polarizer, the second dichroic reflective polarizer to reflect toward the output direction of the polarization direction of the 1st 2nd color light, and transmit the other light; 32nd to the color reflective polarizer, the reflective polarizer dichroic 3rd to 1st towards the reflecting polarization direction of the output direction of the 3rd color light, and transmit the other light; The half-wave retarder, the half wavelength retardation plate for the transmission of other optical orthogonal of said 1st 2nd polarization direction of the polarization direction; The dichroic reflecting plate, prepared Fluorozirconate microcrystal is set to the color reflection plate for reflecting to the output direction of the transmission of the polarization direction 1st other light, said to the color reflecting plate comprises: 1st dichroic reflector, the 1st dichroic reflector to reflect towards the output direction of the polarization direction of the 1st 1st color light; Second dichroic reflector, the second dichroic reflector reflecting the output direction can be towards the polarization direction of the 1st 2nd color light; and 32nd to the color reflector, said 3rd dichroic reflector to reflect towards the output direction of the polarization direction of the 1st 3rd color light; Wherein the 1st dichroic reflective polarizer, the second dichroic reflective polarizer and the reflective polarizer dichroic 3rd the 1st and the dichroic reflector, the second dichroic reflector and the 3rd dichroic reflector their respective inclined, so that the 1st color light, the color light and the 2nd 3rd 1st color light form the color polarization direction of the light beam. 30. Synthesizer according to Claim 29, wherein said the color reflective polarizer plate comprises a polarization beam splitter (PBS) or diagonal surface of the film. 31. Synthesizer according to Claim 29, wherein the light collecting optical device includes a light collimating optical device. 32. Synthesizer according to Claim 29, wherein said 1st dichroic reflective polarizer, the second dichroic reflective polarizer and the reflective polarizer dichroic 3rd each include a polymer multi-layer optical film or dielectric film with a coating. 33. Synthesizer according to Claim 29, wherein said 1st color light, the color light and the 2nd 3rd color light including red light, green light and blue light. 34. An Image projector, including synthesizer according to Claim 29, is set as the light beam states gathers the color to the spatial light modulator of the Image; and a projection optical device. 35. Image projector according to Claim 34, wherein the spatial light modulator comprises a silicon-based liquid crystal (LCoS) imaging instrument or transmission type liquid crystal display (LCD).