• All sections
• H - Electricity
• H01L - Semiconductor devices not covered by class
• H01L 31/055 - Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means where light is absorbed and re-emitted at a different wavelength by the optical element directly associated or integrated with the PV cell, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements

Patent holdings for IPC class H01L 31/055

Total number of patents in this class: 647

10-year publication summary

Principal owners for this class