Light source apparatus and projector having light source apparatus

A light source apparatus, comprising:

• a plurality of light sources each including a laser diode and a collimating lens which corresponds to said laser diode;
• a condenser lens which condenses lights emitted from said light sources;
• and
• a phosphor wheel having a phosphor, said phosphor wheel transmitting a light which is emitted from said condenser lens,
• wherein at least in a part of said plurality of light sources, said collimating lens and said laser diode are placed with a first shift such that an optical axis of said collimating lens is shifted from an optical axis of a light emitted from said laser diode in the direction perpendicular to the optical axis of the emitted light in such a manner that the light from the first light source and the light from the second light source are condensed onto different positions on the phosphor wheel by the condenser lens,
• wherein said laser diodes include a first laser diode in which a direction of a short axis of a condensed shape thereof is placed in a first direction, and a second laser diode in which a direction of a short axis of a condensed shape thereof is placed in a second direction which is different from the first direction, and
• wherein a focal length of said collimating lens which corresponds to said first laser diode is different from a focal length of said collimating lens which corresponds to said second laser diode.

A light source apparatus, comprising:

• a light source having a plurality of laser diodes and a lens array formed by a plurality of collimating lenses, said light source including a first light source in which a direction of a short axis of a condensed shape thereof is placed in a first direction and a second light source in which a direction of a short axis of a condensed shape thereof is placed in a second direction which is different from the first direction;
• a condenser lens which condenses lights emitted from said first light source and said second light source;
• and
• a phosphor wheel having a phosphor, said phosphor wheel transmitting a light which is emitted from said condenser lens,
• wherein in said first light source and said second light source, said lens array and said laser diode are placed with a first shift such that an optical axis of said collimating lens which forms said lens array is shifted from an optical axis of a light emitted from said laser diode which corresponds to said collimating lens in the direction perpendicular to the optical axis of the emitted light in such a manner that the light from the first light source and the light from the second light source are condensed onto different positions on the phosphor wheel by the condenser lens, and
• wherein said lens array of said first light source and said lens array of said second light source are placed with a second shift in a direction of the optical axis of said collimating lens.

A light source apparatus, comprising:

• a light source having a plurality of laser diodes and a lens array formed by a plurality of collimating lenses, said light source including a first light source in which a direction of a short axis of a condensed shape thereof is placed in a first direction and a second light source in which a direction of a short axis of a condensed shape thereof is placed in a second direction which is different from the first direction;
• a condenser lens which condenses lights emitted from said first light source and said second light source;
• and
• a phosphor wheel having a phosphor, said phosphor wheel transmitting a light which is emitted from said condenser lens,
• wherein in said first light source and said second light source, said lens array and said laser diode are placed with a first shift such that an optical axis of said collimating lens which forms said lens array is shifted from an optical axis of a light emitted from said laser diode which corresponds to said collimating lens in the direction perpendicular to the optical axis of the emitted light in such a manner that the light from the first light source and the light from the second light source are condensed onto different positions on the phosphor wheel by the condenser lens, and
• wherein a focal length of said collimating lens which forms said lens array of said first light source is different from a focal length of said collimating lens which forms said lens array of said second light source.