Optics: image projectors – Temperature control
Reexamination Certificate
2009-10-22
2011-11-22
Epps, Georgia Y (Department: 2878)
Optics: image projectors
Temperature control
C353S119000, C353S122000, C353S085000, C362S294000
Reexamination Certificate
active
08061850
ABSTRACT:
A projector module adopts a structure having an optical image forming block and an optical block integrated via a locking member. The optical image forming block adopts a structure achieved by disposing an aluminum substrate at which an LED is mounted and a liquid crystal panel in a casing constituted with a plastic material having low thermal conductivity. The locking member is formed by bending a metal sheet through a sheet metal bending process and the locking member is set in surface contact with the substrate. The optical block adopts a structure achieved by disposing a PBS and a reflecting member at the casing constituted with a plastic material having low thermal conductivity with a quarter-wave plate disposed at the boundary of the two members.
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Fujinawa Nobuhiro
Nozaki Hirotake
Cruz Magda
Epps Georgia Y
Nikon Corporation
Staas & Halsey , LLP
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