TY - JOUR
T1 - Novel in-plane switching liquid crystal display with an extremely high transmittance using a well-designed bottlebrush as a zero-azimuth anchoring material
AU - Sato, Osamu
AU - Okuno, Harumi
AU - Adachi, Isao
AU - Watanabe, Junji
AU - Tokita, Masatoshi
AU - Sakakibara, Keita
AU - Kinose, Yuji
AU - Goto, Atsushi
AU - Tsujii, Yoshinobu
N1 - Publisher Copyright:
© 2019 The Japan Society of Applied Physics.
PY - 2019
Y1 - 2019
N2 - In this study, a one-side zero-azimuth anchoring in-plane switching (OZ-IPS) liquid crystal display (LCD) employing poly(n-hexyl methacrylate) (PHMA) bottlebrush polymers as an application-type zero-azimuth anchoring material was successfully developed. The twist anchoring coefficient A 2 measured for the nematic liquid crystal (NLC) on the PHMA bottlebrush at 25 °C was comparable to that of the same NLC on high-density PHMA brushes. Optimizing the optical design increased the transmission efficiency (TE) of the OZ-IPS cell with the negative NLC to 95%, which was significantly higher than that of conventional IPS cells. Using optical simulation, the OZ-IPS LCDs with a negative NLC clearly exhibited the highest TE (≃107% of TN LCDs) for LCDs developed thus far. Moreover, the higher transmittance of the OZ-IPS LCDs was also confirmed for the practical TFT LCD, which exhibited a maximum luminance that was 30% higher than conventional IPS TFT LCDs.
AB - In this study, a one-side zero-azimuth anchoring in-plane switching (OZ-IPS) liquid crystal display (LCD) employing poly(n-hexyl methacrylate) (PHMA) bottlebrush polymers as an application-type zero-azimuth anchoring material was successfully developed. The twist anchoring coefficient A 2 measured for the nematic liquid crystal (NLC) on the PHMA bottlebrush at 25 °C was comparable to that of the same NLC on high-density PHMA brushes. Optimizing the optical design increased the transmission efficiency (TE) of the OZ-IPS cell with the negative NLC to 95%, which was significantly higher than that of conventional IPS cells. Using optical simulation, the OZ-IPS LCDs with a negative NLC clearly exhibited the highest TE (≃107% of TN LCDs) for LCDs developed thus far. Moreover, the higher transmittance of the OZ-IPS LCDs was also confirmed for the practical TFT LCD, which exhibited a maximum luminance that was 30% higher than conventional IPS TFT LCDs.
UR - http://www.scopus.com/inward/record.url?scp=85070758649&partnerID=8YFLogxK
U2 - 10.7567/1347-4065/ab1e70
DO - 10.7567/1347-4065/ab1e70
M3 - Article
AN - SCOPUS:85070758649
SN - 0021-4922
VL - 58
JO - Japanese Journal of Applied Physics
JF - Japanese Journal of Applied Physics
IS - 6
M1 - 066503
ER -