Optical waveguides – Planar optical waveguide – Thin film optical waveguide
Reexamination Certificate
2006-02-28
2006-02-28
Palmer, Phan T. H. (Department: 2874)
Optical waveguides
Planar optical waveguide
Thin film optical waveguide
C385S123000, C385S120000, C385S901000, C349S159000, C372S049010
Reexamination Certificate
active
07006747
ABSTRACT:
A method for forming a display device including generating a face plate element by providing a first substrate with a photoactive resin thereon and exposing the photoactive resin to a light interference pattern formed by three collimated and coherent light sources, resulting in columnar features. A display device including an optical display element and a polymer face plate that receives or directs light to the optical display element. The face plate includes columnar areas where an index of refraction of the columnar areas is different from the index of refraction of a cladding area surrounding the columnar areas. The columnar areas are formed by exposure of a photoactive resin to a light interference pattern formed by three collimated and coherent light sources. A method of manufacturing a wave guide including providing a first substrate with a photoactive resin thereon and creating a wave guide channel in a wave guide template. The wave guide channel is filled with a liquid crystal material that is exposed to a light grating to create a variation in an index of refraction of the liquid crystal material in the wave guide channel.
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Allen Richard C.
Crawford Gregory P.
Escuti Michael J.
3M Innovative Properties Company
Brown University
Palmer Phan T. H.
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