Patents Represented by Attorney Marianne R. Rlh

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  • Rear-projection screen
    Patent number: 4666248
    Abstract: The invention relates to a rear-projection screen whose optical and mechanical properties can be optimized substantially independently of one another. The back of the screen is provided with a two-dimensional structure of anamorphotic lenses in which a Fresnel lens may be integrated. The screen comprises a light-absorbing layer with transparent apertures in order to reduce the ambient light reflected by the screen.
    Type: Grant
    Filed: May 12, 1986
    Date of Patent: May 19, 1987
    Assignee: U. S. Philips Corporation
    Inventor: Johannes van de Ven