Screen having micro-lens array and projector

Details Screen having micro-lens array and projector Screen having micro-lens array and projector

2006-09-26

2006-09-26

Perkey, W. B. (Department: 2851)

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

C359S457000, C359S449000, C359S453000, C359S460000, C359S742000, C349S030000, C349S025000, C349S095000, C372S024000, C348S210990

Reexamination Certificate

active

07113333

ABSTRACT:
Aspects of the invention provide a screen or the like that enables a bright, homogeneous projection image to be observed in a wide range across an area where viewers are present. A screen having a micro-lens array formed of a plurality of micro-lens elements each having a first surface having a curvature and a second surface of an almost planar shape through which incident light that comes incident on the first surface can be transmitted.

REFERENCES:
patent: 6816306 (2004-11-01), Freese et al.
patent: 6829087 (2004-12-01), Freese et al.
patent: 2003/0206342 (2003-11-01), Reed et al.
patent: A 2003-029344 (2003-01-01), None

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