349 / | HD | LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS |
56 | DF | PARTICULAR STRUCTURE {7} |
61 | DF | .~ Particular illumination {4} |
62 | .~.~ With integral optical element for guiding or distributing light from the light source {5} | |
63 | DF | .~.~.~> Specifically for guiding light in a front-lit device |
64 | DF | .~.~.~> Diffuser between light source and liquid crystal |
65 | DF | .~.~.~> Edge lit type light guide behind liquid crystal |
66 | DF | .~.~.~> Louvres |
67 | DF | .~.~.~> Reflector having particular shape behind light source |