Cholesteric liquid crystal optical bodies and methods of manufacture and use
Assignee3M Innovative Properties Company
InventorsRichard J. Pokorny, Marc D. Radcliffe, Steven D. Solomonson, Terence D. Spawn
Life of this patent
Estimating the term…
Abstract
The method of making an optical body includes coating a mixture that includes a plurality of cholesteric liquid crystal compositions, and a solvent on a substrate. Each cholesteric liquid crystal composition is different. A plurality of layers is formed on the substrate. Each layer includes a majority of one of the cholesteric liquid crystal compositions.
Claims32
A method of making an optical body, the method comprising steps of:
- coating a mixture comprising a first cholesteric liquid crystal composition, a second cholesteric liquid crystal composition, and a solvent on a substrate;
- wherein the first cholesteric liquid crystal composition is different than the second cholesteric liquid crystal composition;
- and
- forming from the mixture a first layer and a second layer on the substrate;
- wherein the first layer comprises a majority of the first cholesteric liquid crystal composition and the second layer comprises a majority of the second cholesteric liquid crystal composition.
A method of making an optical body, the method comprising steps of:
- coating a mixture comprising a first cholesteric liquid crystal composition, a second cholesteric liquid crystal composition, and a solvent on a substrate;
- wherein the first cholesteric liquid crystal composition comprises a cholesteric liquid crystal polymer and the second cholesteric liquid crystal composition comprises a cholesteric liquid crystal monomer;
- and
- forming from the mixture a first layer and a second layer on the substrate;
- wherein the first layer comprises a majority of the first cholesteric liquid crystal composition and the second layer comprises a majority of the second cholesteric liquid crystal composition.
A method of making an optical body, the method comprising steps of:
- coating a mixture comprising a plurality of cholesteric liquid crystal compositions, and a solvent on a substrate;
- wherein each cholesteric liquid crystal composition is different;
- and
- forming from the mixture a plurality of layers on the substrate;
- wherein each layer comprises a majority of one of the cholesteric liquid crystal compositions.
Dependencies are inferred from the claim text.