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Optical Device and Projector

  • US 20090086172A1
  • Filed: 09/10/2008
  • Published: 04/02/2009
  • Est. Priority Date: 09/28/2007
  • Status: Active Grant
First Claim
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1. An optical device comprising:

  • a light source;

    a light modulation device that modulates a light beam emitted from the light source to an image light in accordance with image information;

    a projection optical device that magnifies and projects the image light; and

    a retention member configured to hold the light modulation device and the projection optical device, including,a projection optical device attachment section for attach the projection optical device, anda light modulation device attachment section provided for attach the light modulation device with a protrusion to a side opposite to the projection optical device along an optical-axis direction of the projection optical device, whereinthe projection optical device attachment section includes;

    a fixing section that fixes the projection optical device substantially at a position of the center of gravity;

    a support section that is disposed opposing the fixing section in the optical-axis direction, and supports the light modulation device attachment section; and

    a connection section that connects together the fixing section and the support section.

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