Image display apparatus

Details Image display apparatus Image display apparatus

2005-12-27

2005-12-27

Epps, Georgia (Department: 2873)

Optical: systems and elements

Lens

With light limiting or controlling means

C359S613000

Reexamination Certificate

active

06980378

ABSTRACT:
An image display apparatus for enhancing contrast is provided. The apparatus includes a tunable illumination mask and/or a tunable image mask. According to the light path in the image display apparatus, the tunable illumination mask dynamically controls the area through which the light passes to block noise such as scattering or diffraction light and thereby enhances contrast.

REFERENCES:
patent: 6549324 (2003-04-01), Evans
patent: 6870691 (2005-03-01), Konno

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