Solid state light engine optical system

An optical system and solid-state light source technology, applied in optics, optical components, instruments, etc., can solve problems such as complexity, short bulb life, and blur
CN1882867AInactive Publication Date: 2006-12-20CHROMNOMOTION IMAGING APPL
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CHROMNOMOTION IMAGING APPL
Publication Date
2006-12-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

An optical system for use in projection based displays includes a plurality of solid state light sources associated with a plurality of total internal reflection based compound hyperbolic emitters (CHE), a graduated dichroic filter based device for homogenizing light output from the plurality of solid state light sources, a ferroelectric liquid crystal on silicon device for illumination with light output from the array of light sources, and a polarization diffuser for homogenization of light at the ferroelectric liquid crystal on silicon device. The polarization diffuser is positioned at a point in space, in the optical system, where the size of a beam of light transmitted from the graduated dichroic filter device is at a maximum.
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Description

[0001] Cross References to Related Applications

[0002] The contents of this application are related to US Provisional Application No. 60 / 465732 (filed April 24, 2003), entitled "Personal Theater Optical System," which is incorporated herein by reference in its entirety. technical field

[0003] This invention relates to light and image projectors, and more particularly to lighting devices for projection displays. technical background

[0004] Current technology discloses various light sources and image projectors for viewing video and images. The simplest light projectors include flashlights, and more complex devices include image projectors with incandescent light sources, as described in US Patent No. 6,227,669.

[0005] However, the disadvantages of projectors in current technology are that they may be heavy, complex, or blurry; may include a large number of expensive parts; be bulky; generate excessive heat; require cooling fans; generate excessive noise; or have shor...

Claims

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