Lens array and image display apparatus of projection type

Details Lens array and image display apparatus of projection type Lens array and image display apparatus of projection type

2006-08-15

2006-08-15

Ben, Loha (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S455000, C359S619000, C359S628000, C349S095000

Reexamination Certificate

active

07092164

ABSTRACT:
A lens array capable of effectively converging light entering from a light source and constituting a liquid crystal device of a high contrast includes liquid crystal of a twisted nematic type sandwiched between a TFT substrate and a counter substrate. A micro lens array is formed in the counter substrate. Lenses constituting the micro lens array respectively have a shape of a rotational aspheric surface, and an optical center axis F thereof is tilted in a bright vision direction of the liquid crystal.

REFERENCES:
patent: 6724544 (2004-04-01), Kishima et al.

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