摘要:
A light source device includes a light source section adapted to emit excitation light, a lens array adapted to divide the excitation light into a plurality of partial light beams, a light collection optical system adapted to collect the excitation light divided into the plurality of partial light beams, and a light emitting element adapted to emit fluorescence by being excited by the excitation light.
摘要:
A projector according to an embodiment of the invention includes: an illumination device adapted to generate an illumination light; and a light modulation device adapted to modulate the illumination light in accordance with image information, wherein the illumination device includes a first illumination device including a fluorescence generation section adapted to generate a fluorescence from an excitation light generated by a first solid-state light source, and a second illumination device including a rod integrator optical system adapted to equalize an in-plane light intensity distribution of a colored light generated by a second solid-state light source.
摘要:
A projector includes a light source, a light collection optical system adapted to collect light emitted from the light source, and a light modulation panel adapted to modulate the light collected by the light collection optical system, the light collection optical system includes a color separation optical system adapted to separate the light emitted from the light source into a plurality of types of colored light, and a reflecting curved surface is disposed in at least a light path of the colored light with the longest light path length between the light source and the light modulation panel out of the plurality of types of colored light.
摘要:
A light source device includes plural solid-state light sources, plural collimator lenses, a collection system, and a fluorescent layer that generates fluorescence from at least a part of the lights from the collection system, wherein at least one anamorphic surface is provided in an optical path from the plural collimator lenses to the fluorescent layer. The plural solid-state light sources are located in positions different from focal positions of the plural collimator lenses in an optical axis direction.
摘要:
A collimator lens unit includes at least two lenses and substantially collimates a beam of light emitted from a solid-state light source unit of a Lambert emission type, wherein at least two faces of incidence faces and emission faces of the lenses constituting the two lenses are aspheric faces, one front aspheric face located close to the solid-state light source unit has a function of changing a luminous flux density distribution of the beam of light emitted from the solid-state light source unit to a predetermined luminous flux density distribution in which the luminous flux density in the vicinity of an optical axis of the collimator lens unit is higher than the luminous flux density in a peripheral portion separated from the optical, the rear aspheric face farthest from the solid-state light source unit has a function of substantially collimating the beam of light.
摘要:
An illuminating apparatus includes a polarized light beam splitter, a first polarized light source device, and a second polarized light source device. The first polarized light source device has a first light source device, a first polarized light separation prism, and a first polarization element. The second polarized light source device has a second light source device, a second polarized light separation prism, and a second polarization element. The illuminating light flux having the first polarized light component emitted from the first polarized light source device and illuminating light flux having the second polarized light component emitted from the second polarized light source device are both linear polarized light components and have different polled light axis from each other. The polarized light beam splitter synthesizes the illuminating light flux having the first polarized light component emitted from the first polarized light source device and the illuminating light flux having the second polarized light component emitted from the second polarized light source device to emit.
摘要:
A projector includes an illumination device, an electro-optic modulator, a projection optical system, a light source device having an ellipsoidal reflector, a light emitting tube, a collimator lens, a first lens array having plural first small lenses for dividing an illumination beam emitted from the light source device into plural partial beams, and a second lens array having plural second small lenses corresponding to the plural first small lenses of the first lens array. The light illumination device also includes a light cut-off member arranged in a position which is optically conjugate with the plural first small lenses and the elector-optic modulator between the illumination device and the electro-optic modulator, and has a predetermined opening part for adjusting the sectional shape of the illumination beam. The light illumination device further provides a rotating prism, which is arranged on the electro-optic modulator side of the light cut-off member, and scans the illumination beam from the light cut-off member, in synchronization with a frame rate of the electro-optic modulator.
摘要:
Aspects of the invention can relate to a light source that includes a light source lamp and an arc-tube drive unit. The light source lamp can include an arc tube that emits light between a pair of electrodes, a reflector that reflects the light from the arc tube to a region to be illuminated, and an auxiliary mirror that reflects the light emitted from the arc tube to the region to be illuminated toward the reflector. The arc-tube drive unit can drive the arc tube with an alternating current so that, of the pair of electrodes of the arc tube, the brightness of a first luminescent point generated in the vicinity of a first electrode adjacent to the auxiliary mirror is lower than the brightness of a second luminescent point generated in the vicinity of a second electrode remote from the auxiliary mirror.
摘要:
A projector including an illumination device, an electra-optic modulator and a projection optical system. The illumination device is provided with a light source that emits a substantially parallel luminous flux to the side of a region to be illuminated; a first lens array including a plurality of first small lenses; a second lens array including a plurality of second small lenses corresponding to the first lens array; and a superimposing lens that superimposes the partial luminous fluxes coming from the second lens array. The projector further including a light shielding member provided with a stray light elimination member disposed to be substantially optically conjugate with the plurality of first small lenses and the electro-optic modulator for adjusting the cross-section shape of the luminous flux; and a rotating prism for scanning the luminous flux from the light shelding member in synchronization with a frame rate of the electro-optic modulator.
摘要:
Brightness of optical equipment can be adjusted as required. An illumination optical system includes a light source, a lens array composed of a plurality of lenses for splitting light emitted from the light source into a plurality of sub-beams, and a polarization conversion element for adjusting the light polarization directions. The illumination optical system further includes a light shielding member between the lens array and the polarization conversion element to adjust the quantity of incident light on polarization splitting films provided in the polarization conversion element.