Dependence of optical phase modulation on anchoring strength of dielectric shield wall surfaces in small liquid crystal pixels

作者：Isomae Yoshitomo; Shibata Yosei; Ishinabe Takahiro; Fujikake Hideo

来源：Japanese Journal of Applied Physics, 2018, 57(3): 03EG06.

DOI：10.7567/JJAP.57.03EG06

We demonstrated that the uniform phase modulation in a pixel can be realized by optimizing the anchoring strength on the walls and the wall width in the dielectric shield wall structure, which is the needed pixel structure for realizing a 1-mu m-pitch optical phase modulator. The anchoring force degrades the uniformity of the phase modulation in ON-state pixels, but it also keeps liquid crystals from rotating against the leakage of an electric field. We clarified that the optimal wall width and anchoring strength are 250nm and less than 10(-4) J/m(2), respectively.

• 出版日期2018-3