TY - JOUR
T1 - Particular thermally induced phase separation of liquid crystal and poly(N-vinyl carbazole) films and its application
AU - Chen, Yuan Di
AU - Ying-Guey Fuh, Andy
AU - Cheng, Ko Ting
PY - 2012/7/16
Y1 - 2012/7/16
N2 - In the current study, a method of particular thermally induced phase separation (TIPS) of liquid crystals (LCs) and polymers is presented. The method involves a combination of dissolution process and TIPS. The LCs and poly(N-vinyl carbazole) (PVK) play the roles of solvent and solute respectively, during the processes of particular TIPS. The nematic LC sample fabricated by two substrates coated with uniform PVK films is heated and then cooled, generating the rough PVK layers onto the surfaces of the substrates. The LC sample having rough PVK layers produces micron-sized multiple domains of disordered LCs that can scatter incident light. Additionally, an application of a scattering mode light shutter, having the advantages of low driving voltage, polarization-independent scattering, fast response, high contrast ratio, and being polarizer free, is reported.
AB - In the current study, a method of particular thermally induced phase separation (TIPS) of liquid crystals (LCs) and polymers is presented. The method involves a combination of dissolution process and TIPS. The LCs and poly(N-vinyl carbazole) (PVK) play the roles of solvent and solute respectively, during the processes of particular TIPS. The nematic LC sample fabricated by two substrates coated with uniform PVK films is heated and then cooled, generating the rough PVK layers onto the surfaces of the substrates. The LC sample having rough PVK layers produces micron-sized multiple domains of disordered LCs that can scatter incident light. Additionally, an application of a scattering mode light shutter, having the advantages of low driving voltage, polarization-independent scattering, fast response, high contrast ratio, and being polarizer free, is reported.
UR - http://www.scopus.com/inward/record.url?scp=84864125906&partnerID=8YFLogxK
U2 - 10.1364/OE.20.016777
DO - 10.1364/OE.20.016777
M3 - 期刊論文
AN - SCOPUS:84864125906
SN - 1094-4087
VL - 20
SP - 16777
EP - 16784
JO - Optics Express
JF - Optics Express
IS - 15
ER -