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Title:
LIGHT MODULATING DEVICE
Document Type and Number:
WIPO Patent Application WO2002091060
Kind Code:
A3
Abstract:
The invention concerns a device for light modulation by angular reflection, diffraction or interference, comprising mobile surfaces (100) having one degree of freedom of perpendicular movement at their surface, inside a volume (101). Depending on the position of the mobile surface (100) light is modulated in a first device by angular reflection, in a second device by diffraction, and in a third device by interference. The invention is applicable to flat-faced screens, projection devices, or optical multiplexing devices.

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Inventors:
LAZZARI JEAN-PIERRE (FR)
Application Number:
PCT/FR2002/001510
Publication Date:
April 03, 2003
Filing Date:
May 02, 2002
Export Citation:
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Assignee:
LAZZARI JEAN-PIERRE (FR)
International Classes:
G02B26/08; G09F9/37; (IPC1-7): G02B26/08; G09F9/37
Foreign References:
US4178077A1979-12-11
US4403248A1983-09-06
US3955880A1976-05-11
US4617608A1986-10-14
EP1055949A12000-11-29
EP0614101A21994-09-07
DE4403297A11995-05-04
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