Abstract: A laser projector includes a light combining device, a light splitting system, a plurality of light valves, and a beam combiner. The light combining device is for emitting an illumination beam. The light splitting system is for receiving the illumination beam to generate a plurality of color beams. The plurality of light valves is for receiving and modulating the plurality of color beams to generate modulated color beams. The beam combiner is for combining the modulated color beams to form a full-color image.

Abstract: A laser projector includes a light combining device, a light splitting system, a plurality of light valves, and a beam combiner. The light combining device is for emitting an illumination beam. The light splitting system is for receiving the illumination beam to generate a plurality of color beams. The plurality of light valves is for receiving and modulating the plurality of color beams to generate modulated color beams. The beam combiner is for combining the modulated color beams to form a multi-color image.

Abstract: A laser projector includes a laser source, a first dichroic mirror, a wavelength conversion module, a second dichroic mirror, a first, a second and a third light valves and a beam combiner. The laser source is for providing a blue beam including a first portion and a second portion. The first dichroic mirror is for receiving and allowing the blue beam to penetrate. The wavelength conversion module is for receiving the first portion and emitting a yellow beam to the first dichroic mirror. The second dichroic mirror is for receiving and separating the yellow beam reflected by the first dichroic mirror into a green and a red beam. The first, second and third light valve are for receiving and modulating respectively the second portion of the blue beam, the green beam and the red beam. The beam combiner is for the beams to form a multi-color image.

Abstract: A projector includes a first light source, a second light source, a collimating lens, a wavelength conversion module and a dichroic mirror. The first light source and the second light source respectively emit a first illumination beam and a second illumination beam. The collimating lens includes a first part and a second part and configured to receive and transmit the first illumination beam. The wavelength conversion module receives the first illumination beam from the first part, and generates an excitation beam transmitted toward the first part and the second part. The dichroic mirror corresponds to the first part, and configured to reflect the first illumination beam and the second illumination beam respectively to different directions for projecting the first illumination beam onto the first part and to be passed by the excitation beam.

Abstract: A laser mixing module includes first, second, and third laser sets and a condensing lens. The first laser set includes first and second laser sources and a first polarization beam splitter reflecting a polarization light of the first laser source and allowing a polarization light of the second laser source to pass for forming a first laser beam. The second laser set includes third and fourth laser sources and a second polarization beam splitter reflecting a polarization light of the third laser source and allowing a polarization light of the fourth laser source to pass therethrough for forming a second laser beam. The third laser set includes a fifth laser source and first and second dichroic mirrors respectively reflecting the first and second laser beams and allowing a light of the fifth laser source to pass for forming a third laser beam. The condensing lens condenses the third laser beam.

Abstract: A projection device for providing an image light includes a light source module configured to provide an illumination light, a dichroic film configured to allow a first portion of the illumination light to transmit therethrough to form a light in a first wavelength range and to reflect a second portion of the illumination light into a light in a second wavelength range different from the first wavelength range, a first digital micromirror device (DMD) configured to reflect the light in the first wavelength range from the dichroic film into a first light, and a second DMD configured to reflect the light in the second wavelength range from the dichroic film into a second light, wherein the first light and the second light together form the image light.

Abstract: A laser projector includes a laser source, a first dichroic mirror, a wavelength conversion module, a second dichroic mirror, a first, a second and a third light valves and a beam combiner. The laser source is for providing a blue beam including a first portion and a second portion. The first dichroic mirror is for receiving and allowing the blue beam to penetrate. The wavelength conversion module is for receiving the first portion and emitting a yellow beam to the first dichroic mirror. The second dichroic mirror is for receiving and separating the yellow beam reflected by the first dichroic mirror into a green and a red beam. The first, second and third light valve are for receiving and modulating respectively the second portion of the blue beam, the green beam and the red beam. The beam combiner is for the beams to form a multi-color image.

Abstract: A laser mixing module includes first, second, and third laser sets and a condensing lens. The first laser set includes first and second laser sources and a first polarization beam splitter reflecting a polarization light of the first laser source and allowing a polarization light of the second laser source to pass for forming a first laser beam. The second laser set includes third and fourth laser sources and a second polarization beam splitter reflecting a polarization light of the third laser source and allowing a polarization light of the fourth laser source to pass therethrough for forming a second laser beam. The third laser set includes a fifth laser source and first and second dichroic mirrors respectively reflecting the first and second laser beams and allowing a light of the fifth laser source to pass for forming a third laser beam. The condensing lens condenses the third laser beam.

Abstract: A laser projector includes a light combining device, a light splitting system, a plurality of light valves, and a beam combiner. The light combining device is for emitting an illumination beam. The light splitting system is for receiving the illumination beam to generate a plurality of color beams. The plurality of light valves is for receiving and modulating the plurality of color beams to generate modulated color beams. The beam combiner is for combining the modulated color beams to form a multi-color image.

Abstract: A projection device for providing an image light includes a light source module configured to provide an illumination light, a dichroic film configured to allow a first portion of the illumination light to transmit therethrough to form a light in a first wavelength range and to reflect a second portion of the illumination light into a light in a second wavelength range different from the first wavelength range, a first digital micromirror device (DMD) configured to reflect the light in the first wavelength range from the dichroic film into a first light, and a second DMD configured to reflect the light in the second wavelength range from the dichroic film into a second light, wherein the first light and the second light together form the image light.

Abstract: A light source module includes first to third light sources respectively providing first, second and third lights, first and second wavelength conversion layers, first and second auxiliary light sources respectively providing first and second auxiliary lights, and a dichroic member. The first wavelength conversion layer is excited by the first light and the first auxiliary light from different sides to generate a first conversion light. The second wavelength conversion layer is excited by the second light and the second auxiliary light from different sides to generate a second conversion light. The dichroic member allows the first and second auxiliary lights to transmit therethrough and reflects the first and second conversion lights. The third light transmits through the dichroic member. The first and second conversion lights and the third light are different in wavelength ranges and combined to form an illumination light.

Abstract: A light source module includes first to third light sources respectively providing first, second and third lights, first and second wavelength conversion layers, first and second auxiliary light sources respectively providing first and second auxiliary lights, and a dichroic member. The first wavelength conversion layer is excited by the first light and the first auxiliary light from different sides to generate a first conversion light. The second wavelength conversion layer is excited by the second light and the second auxiliary light from different sides to generate a second conversion light. The dichroic member allows the first and second auxiliary lights to transmit therethrough and reflects the first and second conversion lights. The third light transmits through the dichroic member. The first and second conversion lights and the third light are different in wavelength ranges and combined to form an illumination light.

Abstract: A projector includes a first light source, a second light source, a collimating lens, a wavelength conversion module and a dichroic mirror. The first light source and the second light source respectively emit a first illumination beam and a second illumination beam. The collimating lens includes a first part and a second part and configured to receive and transmit the first illumination beam. The wavelength conversion module receives the first illumination beam from the first part, and generates an excitation beam transmitted toward the first part and the second part. The dichroic mirror corresponds to the first part, and configured to reflect the first illumination beam and the second illumination beam respectively to different directions for projecting the first illumination beam onto the first part and to be passed by the excitation beam.

Abstract: A first laser module generates a first light beam along a first light path. A second laser module generates a second light beam along a second light path. A light-guiding module reflects the first light beam to generate a first reflected light beam along a third light path and reflects the second light beam to generate a second reflected light beam along a fourth light path. A wavelength conversion layer of the wavelength conversion device is stimulated by the first reflected light beam to generate a stimulated light beam against the first reflected light beam. The light-guiding module directs the stimulated light beam to the fourth light path. A light rod integrates the stimulated light beam and the second reflected light beam to generate an integrated light beam.

Abstract: A first laser module generates a first light beam along a first light path. A second laser module generates a second light beam along a second light path. A light-guiding module reflects the first light beam to generate a first reflected light beam along a third light path and reflects the second light beam to generate a second reflected light beam along a fourth light path. A wavelength conversion layer of the wavelength conversion device is stimulated by the first reflected light beam to generate a stimulated light beam against the first reflected light beam. The light-guiding module directs the stimulated light beam to the fourth light path. A light rod integrates the stimulated light beam and the second reflected light beam to generate an integrated light beam.

Abstract: A projection apparatus includes a light source module for providing an illuminating light beam, a light integration rod disposed between the light source module and a light valve configured for converting the illuminating light beam into an image light beam, and a projection lens disposed on a transmission path of the image light beam. The light integration rod includes a light input end and a light output end opposite to the light input end; the light input end includes a plurality of first sides having a length of X1 and a plurality of second sides having a length of Y1; and the light output end includes a plurality of third sides having a length of X2 and opposite to the first sides and a plurality of fourth sides having a length of Y2 and opposite to the second sides, wherein X2/X1>Y2/Y1.

Abstract: A laser projection apparatus includes a first light mixing module and a light splitting module. The first light mixing module includes a plurality of first laser light sources, second laser light sources and a first dichroic mirror. The first and second laser light sources respectively emit first and second polarization lights; wherein the first and second polarization lights have different polarizations. The first dichroic mirror, disposed between the first and second laser light sources, includes first and second surfaces respectively toward the first and second laser light sources. The first surface reflects the first polarization light. The second polarization light sequentially passes through the second and first surfaces to mix with the first polarization light and thereby forming a first laser beam. The light splitting module is for receiving the first laser beam and splitting the first laser beam into a plurality of color lights.

Abstract: The present invention discloses a dynamic projection adjusting method for a projection display device to display output images. The projection display device includes a light source driven by a periodic pulse signal. The dynamic projection adjusting method includes the following steps: (a) determining a brightness parameter of the output image; (b) adjusting the periodic pulse signal according to the brightness parameter and (c) driving the light source with the periodic pulse signal.

Abstract: The present invention discloses a dynamic projection adjusting method for a projection display device to display output images. The projection display device includes a light source driven by a periodic pulse signal. The dynamic projection adjusting method includes the following steps: (a) determining a brightness parameter of the output image; (b) adjusting the periodic pulse signal according to the brightness parameter and (c) driving the light source with the periodic pulse signal.

Abstract: A light pipe assembly includes a lens set and a holder. The lens set includes a first lens, a second lens, a third lens, and a fourth lens. The first lens has a first surface and a fifth surface adjacent to the first surface. The second lens has a second surface and a sixth surface adjacent to the second surface, and the fifth surface covers the second surface. The third lens has a third surface and a seventh surface adjacent to the third surface, and the sixth surface covers the third surface. The fourth lens has a fourth surface and an eighth surface adjacent to the fourth surface. The seventh surface covers the fourth surface and the eighth surface covers the first surface. Furthermore, the holder is used for encompassing and abutting the lens set.