| 349 / | HD | LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS | 
| 56 | DF | PARTICULAR STRUCTURE {7} | 
| 84 | DF | .~ Having significant detail of cell structure only {17} | 
| 86 | DF | .~.~ Microencapsulated or polymer dispersed liquid crystal {4} | 
| 89 | DF | .~.~.~ With particular encapsulating medium {2} | 
| 90 |  | .~.~.~.~ With second material between liquid crystal and encapsulating medium |