US Patent No. 10,634,980

PHOSPHOR HOLDER, LIGHT SOURCE DEVICE, AND PROJECTION TYPE DISPLAY DEVICE INCLUDING LIGHT SOURCE DEVICE


Patent No. 10,634,980
Issue Date April 28, 2020
Title Phosphor Holder, Light Source Device, And Projection Type Display Device Including Light Source Device
Inventorship Terumasa Kobayashi, Tokyo (JP)
Assignee NEC DISPLAY SOLUTIONS, LTD., Tokyo (JP)

Claim of US Patent No. 10,634,980

1. A phosphor holder that is attached to a holder attachment surface of a light source device, the phosphor holder comprising:a pedestal;
a plurality of phosphor holder attachment surfaces that are provided at a plurality of points on an outer peripheral section of said pedestal and that protrude in a first direction by a predetermined height with respect to surroundings;
a base that is mounted substantially in a center of a surface of said pedestal facing in the first direction;
a motor that is mounted on said base and that has a rotating shaft substantially orthogonal to an in-plane direction of said pedestal;
a phosphor wheel on which a phosphor is formed and that is rotated by said motor; and
a plurality of adjustment shims that are mounted on said plurality of phosphor holder attachment surfaces and that are brought into contact with said holder attachment surface.