Japanese designer Takao Inoue unveiled beautiful new OLED lighting devices called OLED Tampopo light. These devices are made from real dandelion flowers that are harvested and then encased in acrylic glass. A small OLED panel is placed at the stem of the flowers to light them up:

The Tampopo light (Tampopo means dandelion in Japanese, by the way) was on display at the Milano Salone 2014, and it may be sold in the future in Japan. I do not know who's the OLED panel maker. But these are beautiful things...

Atomic Force Microscopy for next-gen OLED processesAtomic Force Microscopy for next-gen OLED processes