Deflecting element having a switchable liquid crystalline materi

Details Deflecting element having a switchable liquid crystalline materi Deflecting element having a switchable liquid crystalline materi

1998-01-05

1999-07-27

Spyrou, Cassandra

Optical: systems and elements

Diffraction

From grating

359298, 359315, 359566, 349201, 349202, G02B 518, G02F 113

Patent

active

059300442

ABSTRACT:
A deflecting element (1) includes a first substrate (3) and a second substrate (5). The two substrates (3) and (5) enclose a liquid crystalline material (7) which is switchable. A surface (13) of one of the substrates (3) facing the liquid crystalline material (7) is provided with a grating structure (15). The other substrate (5) is provided with a plurality of microlenses (21) on a surface (23) facing the liquid crystalline material (7).

REFERENCES:
patent: 4729621 (1988-03-01), Matsuoka et al.
patent: 4729640 (1988-03-01), Sakata et al.
patent: 4919520 (1990-04-01), Okada et al.
patent: 5013141 (1991-05-01), Sakata et al.
patent: 5550663 (1996-08-01), Nishizaki et al.
English-language translation, JP 62-293222, Canon Inc. Dec. 1987.

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