Laminate screen for display device

Details Laminate screen for display device Laminate screen for display device

2006-08-08

2006-08-08

Perkey, W. B. (Department: 2851)

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

C359S449000, C359S459000, C359S460000, C353S066000, C353S078000

Reexamination Certificate

active

07088509

ABSTRACT:
A rear projection display device is provided. In an embodiment, the display device includes a laminate screen including a Fresnel lens lamina having a non-planar input surface, a substantially planar output surface and a first index of refraction. The laminate screen further may include a diffusion screen lamina having a substantially planar input surface, an output surface and a second index of refraction. The diffusion screen lamina may be in optical communication with the Fresnel lens lamina. Moreover, the planar output surface of the Fresnel lens lamina and the planar input surface of the diffusion screen lamina may be in facing relationship.

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