Optical: systems and elements – Diffraction – From grating
Patent
1994-02-18
1997-10-28
Dzierzynski, Paul M.
Optical: systems and elements
Diffraction
From grating
359569, 359615, 349 61, 345 88, G02B 518
Patent
active
056822650
ABSTRACT:
Optical apparatus for dispersing a visible light spectrum into primary color bands and directing each color band into a specific pixelated cell of a passive display. The apparatus includes an array of refractive microlenses arranged parallel to the plane of the passive display such as a liquid crystal display and a diffraction grating arranged parallel and in close proximity to the lens array. The microlenses focus visible light onto the display while the diffraction grating separates the visible light into primary color bands in different diffraction orders such that the colors are directed to and transmitted through the corresponding specific pixelated cells.
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Farn Michael W.
Veldkamp Wilfrid B.
Dzierzynski Paul M.
Jr. John Juba
Massachusetts Institute of Technology
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