DIFF Subgroup
H10F 77/492 Full Title
Constructional details of devices covered by this subclass (constructional details of integrated devices, or assemblies of multiple devices, comprising at least one element in which radiation controls the flow of current H10F39/00) > Optical elements or arrangements (surface textures H10F77/70) > directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means