Stephen D. Browning - Santa Rosa CA Paul M. LeFebvre - Santa Rosa CA Basil Swaby - Santa Rosa CA
Assignee:
Optical Coating Laboratory, Inc. - Santa Rosa CA
International Classification:
G02B 528 G02B 2714 H04N 931
US Classification:
359634
Abstract:
An optical filter is provided for use in color projection display imaging systems which utilize liquid crystal light valves for image modulation. The optical filter is a dichroic coating which separates light into different colors. The optical filter is located on a light transmissive surface of a color splitting device such as a Philips prism. The optical filter is formed from layers of at least two different dielectric materials including a high refractive index material, such as zirconium oxide and a low refractive index material such as aluminum oxide. The low refractive index material has an average refractive index of no less than about 1. 6. The high refractive index material has an average refractive index which is sufficiently greater than the average refractive index of the low refractive index such that the average refractive index of the high refractive index material divided by the average refractive index of the low refractive index material yields a ratio that is greater than about 1. 2 and less than about 1. 55.
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Thomas Evans, Clarence Willie, Eva Dotson, Willie Richardson, Melvin Benford, Tanya Walker, Alberta Hopes, Alpha Mays, Donald Harris, Betty Hunter, Vera Pennie, Alguree Powell
Any suggestion that the editorial position of ournewspapers is based upon the commercial interests of Foxteldemonstrates a complete ignorance of both our business and ofFoxtel, Stephen Browning, a spokesman for News Corp.s localunit, said in an e-mailed statement. The general News businessw
Date: Aug 06, 2013
Category: World
Source: Google
State documents give a glimpse into final hours for Troy Davis before Ga ...
He asked prison officials to allow four of his supporters to watch his lethal injection attorneys Thomas Ruffin and Jason Ewart, minister Stephen Browning and his friend Gemma Puglisi, an American University professor who was an advocate on his behalf. He put Puglisi at the top when asked to rank