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Method of fabricati...
Abstract
Ämnesord
Stäng
- In a prepn. method, a chiral or cholesteric liq. crystal, a photoreactive monomer, and a photoinitiator are disposed in a liq. crystal cell. A principal surface of the liq. crystal cell is illuminated with UV light selected to have a nonuniform UV light intensity profile in the liq. crystal cell. The illuminating cooperates with the photoinitiator to polymerize at least a portion of the photoreactive monomer near the principal surface to generate a polymer network having a d. corresponding to the nonuniform UV light intensity profile. The polymer network biases the liq. crystal toward a selected helical alignment direction. In some embodiments, the illuminating includes illuminating with 1st and 2nd UV light intensity profiles to produce surface and vol. polymer network components.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Annan teknik -- Övrig annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies -- Other Engineering and Technologies not elsewhere specified (hsv//eng)
Nyckelord
- Liquid crystals (cholesteric
- electro-optical devices with polymer-stabilized liq. crystal mols.)
- Electrooptical imaging devices
- Electrooptical instruments (electro-optical devices with polymer-stabilized liq. crystal mols.)
- Polymerization (photopolymn.
- in fabrication of
- electro-optical devices with polymer-stabilized liq. crystal mols.)
- electrooptical device polymer stabilized liq crystal
Publikations- och innehållstyp
- vet (ämneskategori)
- pat (ämneskategori)