the National Natural Science Foundation of China(Grant Nos.61475042,11304074,and 11274088);the Natural Science Foundation of Hebei Province,China(Grant Nos.A2015202320 and GCC2014048).
We propose a narrow-band birefringent filter and its application in wide color gamut.The birefringent filter consists of five phase retarders and two polarizers,and it has both narrow band and high transmittance.In th...
Project supported by the National Natural Science Foundation of China(Grant Nos.11374087,11274088,and 11304074);the Natural Science Foundation of Hebei Province,China(Grant Nos.A2014202123 and A2016202282);the Research Project of Hebei Education Department,China(Grant Nos.QN2014130and QN2015260);the Key Subject Construction Project of Hebei Province University,China
Based on the experimental phenomena of flexoelectric response at defect sites in nematic inversion walls conducted by Kumar et al., we gave the theoretical analysis using the Frank elastic theory. When a direct-curren...
Project supported by the National Natural Science Foundation of China(Grant Nos.11274088,11374087,and11304074);the Natural Science Foundation of Hebei Province,China(Grant No.A2014202123);the Research Project of Hebei Provincial Education Department,China(Grant No.QN2014130);the Key Subject Construction Project of Hebei Provincial University,China
The physical effects on surface and flexoelectric polarization in a weak anchoring nematic liquid crystal cell are investigated systematically. We derive the analytic expressions of two effective anchoring energies fo...
supported by the National Natural Science Foundation of China(Grant Nos.11274088,11374087,and 11304074);the Natural Science Foundation of Hebei Province,China(Grant No.A2014202123);the Research Project of Hebei Education Department,China(Grant Nos.Z2012061 and QN2014130);the Science and Technology Plan Project of Hebei Province,China(Grant No.134576260);the Key Subject Construction Project of Hebei Province University,China
A detailed theoretical analysis of determining the sum of flexoelectric coefficients in nematic liquid crystals using the capacitance method is given. In the strong anchoring parallel aligned nematic (PAN) and hybri...