| 349 / | HD | LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS |
| 56 | DF | PARTICULAR STRUCTURE {7} |
| 84 | DF | .~ Having significant detail of cell structure only {17} |
| 139 | DF | .~.~ Electrode or bus detail (i.e., excluding supplemental capacitor and transistor electrodes) {5} |
| 143 | DF | .~.~.~ Matrix electrodes {5} |
| 145 | ![]() | .~.~.~.~ Nonrectilinear rows and columns |