Analysis of Properties of Rubbed Polyimide Alignment Layer and Rubbing Effect of Various Rubbing Cloths for LCD Fabrication

作者：Ahn Hong Jun; Lee Jang Ju; Ahn Jong Soo; Park Kyung Chul; Noh Jae Gyu; Yoo Dong Yeon; Paek Sang Hyon^*

来源：Polymer-Korea, 2011, 35(5): 385-389.

DOI：10.7317/pk.2011.35.5.385

• rubbing cloth
• alignment layer
• pile density
• birefringence
• rubbing effect

In rubbing process, process factors, the properties of alignment layer and the physical properties of rubbing cloth have acted as important variables. These factors affect the orientation properties of the alignment layer by rubbed extent that is determined by rubbing density and rubbing force. In this work, we studied the effects of rubbing cloths with different pile density and rigidity on rubbing density (length) and rubbing force. As the pile density and rigidity of rubbing cloths increased, the birefringence and the surface roughness of the rubbed alignment layers became bigger, but the characteristics of rubbing-effect had differed each other. The pile density of rubbing cloths which was related with the number of pile, affected the rubbing density (length). On the other hand, the pile rigidity of rubbing was closely related to rubbing force rather than the rubbing density (length).

• 出版日期2011-9