An ideal LED emits an equal amount of photons for every electron injected into the device. All LEDs that are currently in use are fabricated from inorganic compounds. We are attempting to synthesize an organic compound to be fabricated as an LED due to the advantages that they have over inorganic based LEDs. Firstly, they can be easily spin-caste into thin films, which offers a huge advantage over inorganic compounds. This allows for inexpensive an easy processing.
Organic polymers are flexible.
This allows for compounds that can be directly spun-cast onto a flexible plastic sheet that can then be illuminated. Another advantage is that these organic compound based devices can be fabricated by delivering the organic layer with an inkjet printer allowing for ultra high resolution and superior patterning. Finally, organic based LEDs have a much higher photoluminescence and quantum yield than inorganic based LEDs, potentially leading to a brighter more efficient device. Organic based LED devices do have some disadvantages, however. They are generally less stable.