Light diffuser with colored variable diffusion

Details Light diffuser with colored variable diffusion Light diffuser with colored variable diffusion

2005-05-31

2005-05-31

Robinson, Mark A. (Department: 2872)

Optical: systems and elements

Diffusing of incident light

C359S619000, C359S707000

Reexamination Certificate

active

06900941

ABSTRACT:
The invention provides a light diffuser comprising a macro diffusion efficiency variation wherein at least part of the diffuser is colored. The invention also provides light diffuser comprising a macro diffusion efficiency variation wherein at least part of the diffuser is colored for rear projection displays, back-lighted imaging media, and a liquid crystal display component and device. The invention further provides a process for preparing such a diffuser.

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R. P. Bourdelais, et al, “Light Diffuser with Variable Diffusion”, USSN 10/147,703, (D-83948) filed May 16, 2002.
C. J. Kaminsky, et al., “Increased Contrast Overhead Projection Films”, USSN 10/279,599, (D-84928) filed Oct. 24, 2002.
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R. P. Bourdelais, et al., “Light Management Film with Colorant Receiving Layer”, USSN 10/279,557, (D-84987) filed Oct. 24, 2002.

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