Lens adjustment mechanism and projection-type display apparatus

A projection-type display apparatus comprising:

• a light source section;
• an image generator that includes a plurality of optical units each including a light modulation element that modulates light from the light source section on a basis of an inputted image signal;
• and
• a projection section that projects image light generated in the image generator, the optical units each including:
• a base section,
• a lens holding section that holds a lens having an optical axis in a Z-axis direction,
• an intermediate member disposed between the base section and the lens holding section,
• a first rotating cam that is disposed between the base section and the intermediate member, and is rotated about an optical axis of the lens, thereby causing the lens holding section to move in a Y-axis direction, and
• a second rotating cam that is disposed between the intermediate member and the lens holding section, and is rotated about the optical axis of the lens, thereby causing the lens holding section to move in an X-axis direction, wherein
• the intermediate member moves in the Y-axis direction together with the lens holding section during rotation of the first rotating cam, and restricts movement in the Y-axis direction of the lens holding section during rotation of the second rotating cam.