Product Variety and Economic GrowthEmpirical Evidence for the OECD Countries

There are disclosed a blue light-emitting polymer and a light-emitting diode adopting the same. A conjugated polymer having phenylene residues substituted by a silicon-containing group in a main chain have blue light-emitting properties and a good solubility in organic solvent. Therefore, a light-emitting diode having an anode and a cathode on both sides of the conjugated polymer layer, respectively is capable of showing extended emission in the blue region and has an excellent light-emitting efficiency.

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