JP2013073081A5 - - Google Patents

Claims (7)

A plurality of light source elements that emit light; and a condenser lens that condenses the light from the plurality of light source elements, and condenses the light from the plurality of light source elements arranged in a planar shape. A light source device for condensing light on an irradiated object via a lens, wherein the condensing lens includes a large-diameter main body lens portion having a convex shape on a light exit side and a light incident side of the main body lens portion. A light source device comprising: a plurality of collimator lens portions that are formed corresponding to the plurality of light source elements and have convex small diameters on the incident side. The optical axis of a part of the collimator lens parts of the plurality of collimator lens parts of the condenser lens is configured to be shifted from the optical axis of the light source element corresponding to the collimator lens part. Item 2. The light source device according to Item 1. The optical axis of the partial collimator lens unit is configured to be shifted from the optical axis of the light source element corresponding to the collimator lens unit toward the optical axis of the main body lens unit. 2. The light source device according to 2. The shift amount, which is a shift amount between the optical axis of the collimator lens part of the condenser lens and the optical axis of the light source element corresponding to the collimator lens part, extends from the optical axis of the main body lens part to each of the light source elements. the light source device according to claim 2 or claim 3, characterized in that it is defined according to the distance. The shorter the distance from the optical axis of the main lens portion to the respective light source element is large, the light source apparatus according to claim 3 or claim 4, wherein said that the shift amount is large. The light source device includes a light source device according to any one of claims 1 to 5, characterized in that a laser light emitting element. A red light source device, a green light source device, a blue light source device, a light guide optical system having light emitted from each light source device as the same optical axis, a display element, and the same optical axis by the light guide optical system A light source side optical system that guides the emitted light to the display element, a projection side optical system that projects an optical image formed by the display element onto a screen, a projector control unit that controls the light source device and the display element, A light source device of at least one of the red light source device, the green light source device, and the blue light source device, a plurality of light source elements, a large-diameter main body lens portion that is convex on the light emitting side, and the are formed corresponding to the plurality of light source elements on the light incident side of the main lens part, claims 1 to that and a condenser lens comprising a plurality of collimator lenses of the small-diameter convex to the incident side Item 7. A projector characterized by being a light source device.