Patent for Sale:

MEMS Actuated Light Modulators    

The patents in this portfolio relate to MEMS actuated light modulators for use in display systems.

Overview

The patents in this portfolio relate to MEMS actuated light modulators for use in display systems. Inventions include micro-mirror devices for continuous range analog beam steering, selectively modulating light from an input light source and ferroelectric liquid crystal based reflective spatial light modulators whereby the illumination period is controlled by a shutter.

Patent Summary

U.S. Patent Classes & Classifications Covered in this listing:

Class 359: Optical: Systems And Elements

Optical elements included in this class are: Lenses; Polarizers; Diffraction gratings; Prisms; Reflectors; Filters; Projection screens; Optical Modulators; Optical Demodulators. Among the optical systems included in this class are: Compound lens systems; Light reflecting signalling systems (e.g., retroreflectors); stereoscopic systems; Binocular devices; Systems of lenticular elements; Systems involving light interference; Glare reducing systems; Light dividing and combining systems; Light control systems (e.g., light valves); building illumination with natural light; Systems for protecting or shielding elements; Optical systems whose operation depends upon polarizing, diffracting, dispersing, reflecting, or refracting light; kaleidoscopes. Further included are certain apertures, closures, and viewing devices of a specialized nature which involve no intentional reflection, refraction, or filtering of light rays. This class also includes optical elements combined with another type of structure(s) to constitute an optical element combined with a nonoptical structure or a perfection or improvement in the optical element.

Subclass 237: OPTICAL MODULATOR
Subclass 290: By changing physical characteristics (e.g., shape, size or contours) of an optical element
Subclass 291: Shape or contour of light control surface altered
Subclass 295: Having multiple electrodes
Subclass 298: Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal)
Subclass 566: From grating
Subclass 571: Echelette or blazed grating
Subclass 871: With support
Subclass 872: Mirror movable relative to support
Subclass 877: With switch or motor controlling mirror movement

Class 349: Liquid Crystal Cells, Elements And Systems

Cells, elements, and systems which include molecules of a material having both liquid and crystalline properties. Included in this class are those which have a significant liquid crystal cell detail or liquid crystal response or properties, and in which the liquid crystal controls or changes the optical properties of electromagnetic radiation such as direction, phase, amplitude, frequency, or polarization state. This class also provides for nominal manufacturing methods for producing significant liquid crystal cell structure.

Subclass 5: Projector including liquid crystal cell (s)
Subclass 8: Plural light path projectors