MICRO-ARRAY-TYPE DIFFUSION PLATE

Lenses are arrayed in a lattice on an array surface (32) of a microlens array (31). A lens (30) has a convex surface that is cylindrical throughout sections that are parallel to a lattice direction of the lens (30) and are orthogonal to the array surface (32). In each of meridians of the sections pa...

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Bibliographische Detailangaben
Hauptverfasser:	UCHIDA, Atsushi, IKEDA, Keisuke, KARAI, Masaru
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	Lenses are arrayed in a lattice on an array surface (32) of a microlens array (31). A lens (30) has a convex surface that is cylindrical throughout sections that are parallel to a lattice direction of the lens (30) and are orthogonal to the array surface (32). In each of meridians of the sections parallel to the lattice direction of the lens (30), a sag amount is corrected so as to increase an inclination of a skirt. In another aspect, a lens has a concave surface that is cylindrical throughout sections that are parallel to a lattice direction of the lens and are orthogonal to an array surface. In each of meridians of the sections parallel to the lattice direction of the lens, a sag amount is corrected so as to increase an inclination of a rim.