Transmissive screen and rear projector

Details Transmissive screen and rear projector Transmissive screen and rear projector

2006-03-14

2006-03-14

Nguyen, Judy (Department: 2851)

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

C359S455000, C359S453000

Reexamination Certificate

active

07012744

ABSTRACT:
The invention provides a transmissive screen having low occurrence of light diffraction and moire-fringing. The invention also provides a rear projector including such a high-quality transmissive screen. A transmissive screen, applied to a rear projector, includes a light-guide plate having substantially cylindrical light-guide spaces arranged in a flat substrate, and a light-exit-angle distribution uniformizing device to make the angular distribution of the light exiting from the substantially cylindrical light-guide spaces of the light-guide plate uniform over the transmissive screen. The light-exit-angle distribution uniformizing device is provided at the light-exiting face side of the light-guide plate. The invention also provides a rear projector including such a transmissive screen.

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