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.

 
Web www.patentalert.com

< Single-focus lens for electronic still cameras

< Devices for information processing in optical communications

> Microlens sheets having multiple interspersed anamorphic microlens arrays

> Projection optical system and projection exposure apparatus

~ 00283