Polymer film with narrow band dye
AssigneeRO Technologies, LLC
InventorsStephen S. Wilson, Bart E. Wilson, Roger Cone
Life of this patent
Estimating the term…
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AssigneeRO Technologies, LLC
InventorsStephen S. Wilson, Bart E. Wilson, Roger Cone
Estimating the term…
A lens stack may include a polymer film, a coating containing one or more dyes, and a protective layer covering or encapsulating the coating. Each of the one or more dyes may be a narrow band dye and may have a full width at half maximum (FWHM) absorption bandwidth of 40 nm or less, for example. The coating may be an adhesive, and the protective layer may be an additional polymer film adhered to the first polymer film by the adhesive. Alternatively, the protective layer may be a scratch resistant topcoat or other layer that covers or encapsulates the coating. The lens stack may be the base layer of a removable lens stack including one or more removable lens layers.
A removable lens stack comprising:
A lens stack comprising:
A method of manufacturing a lens stack, the method comprising:
Dependencies are inferred from the claim text.