Compact polarization conversion system for optical displays

Details Compact polarization conversion system for optical displays Compact polarization conversion system for optical displays

2007-11-27

2007-11-27

Allen, Stephone B. (Department: 2872)

Optical: systems and elements

Polarization without modulation

By relatively adjustable superimposed or in series polarizers

C349S062000, C353S038000, C353S020000

Reexamination Certificate

active

11066605

ABSTRACT:
A compact polarization conversion system (PCS) for use in optical display systems is capable of emitting substantially polarized output light in response to unpolarized input light. The PCS includes a polarizer and one or more substantially planar optical element arrays in optical communication with the polarizer. The polarizer converts the input light having plural polarization states into output light having a substantially single polarization state. Each optical element array comprises a plurality of optical elements formed and positioned in a specific two-dimensional arrangement for altering at least one optical characteristic of the input light to produce desired characteristics in the output light. The optical elements can include any suitable combination of micro-waveguides, micro-tunnels, micro-lenses, micro-prisms.

REFERENCES:
patent: 5124841 (1992-06-01), Oishi
patent: 6497488 (2002-12-01), Yamauchi et al.
patent: 6910772 (2005-06-01), Yano

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