Sharp has entered the market for small photo-voltaic components with a highly efficient solar panel for mobile applications. The LR0G C 02 has an output rating of 300 mW on an area of only 27,7 cm², with a thickness of 0,8 mm.
With a total of 10 cells, the panel produces an output voltage of 5 V at a maximum of 60 mA. The cells – made of polycrystalline silicon – thus achieve an efficiency of 12,8%. The panel’s output rating is sufficient to operate a memory-in-pixel LCD plus relevant driver components as a standalone unit without additional power supply. To avoid electromagnetic interference, the panel has special interfaces for system integration, particularly important for devices with wireless data transmission. The cell only supports the measures necessary for the overall device; the solar panel itself does not give off any radiation.
With conventional solar cells, the high mechanical loads in mobile applications often result in cell fractures and thus substantial drops in output. With the Sharp panel, a double wiring of the cells ensures full efficiency even in the event of a cell fracture. The LR0G C 02 is not only suited to supporting the power supply of mobile telephones, but the operation time of laptops, industry handhelds and portable test and measurement equipment can also be extended. Sharp claims that simple applications such as LED street lamps can even be run as completely self-sufficient units via solar power.
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