Fresnel lens and liquid crystal display device

Details Fresnel lens and liquid crystal display device Fresnel lens and liquid crystal display device

1995-07-28

1998-05-12

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349 84, 349 75, 349 5, 359457, G02F 0000

Patent

active

057513872

ABSTRACT:
A display device including liquid crystal display panels, arrays of convergently transmissive elements for forming an erect and real image, and fresnel lenses for magnifying the image. The configured surface of the fresnel lens is arranged on the light incident side. The configured surface includes periodic ridges with flat crests and inclined surfaces. Shading layers are provided on the flat crests to eliminate ghosts.

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