Projection display-use screen and projection display system...

Details Projection display-use screen and projection display system... Projection display-use screen and projection display system...

2005-09-13

2010-06-22

Mahoney, Christopher (Department: 2862)

Optical: systems and elements

Projection screen

C359S459000, C359S460000, C385S116000

Reexamination Certificate

active

07742230

ABSTRACT:
To realize a diffusion film in which arbitrary control of the diffuse light intensity distribution characteristics, and an angular range of diffusion does not change with respect to an incoming light from a specific angular range and a light-outgoing direction converting element that is high in efficiency of conversion of the outgoing direction, and has no limit in the angle of conversion of the outgoing direction, and to provide a thin-model high-quality projection display using the same as a screen.

REFERENCES:
patent: 3043910 (1962-07-01), Hicks, Jr.
patent: 6317545 (2001-11-01), Veligdan
patent: 6751019 (2004-06-01), DeSanto et al.
patent: 2006/0098280 (2006-05-01), Yamauchi

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