We know that NeoView Kolon are working on transparent OLEDs (mostly PMOLEDs) - but now we hear that they are also working towards OLED Lighting panels, using bottom-emission RGB light sources.

Neoview-Kolon plans to purchase production equipment (370 x 470) for both their Transparent-OLED and OLED Lighting markets.

Kyulux - Hyperfluoresence OLED emittersKyulux - Hyperfluoresence OLED emitters