If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.
Abstract: Pentacene organic thin-film transistors (OTFTs) with HfLaON high-k gate dielectric have been fabricated using various gate-electrode materials, including different metals (Al, Au, Cu, Cr, Ti ...