Today, it takes the form of a cartoon-like dog named Rity, developed at the Robot Intelligence Technology (RIT) Laboratory, at the Korea Advanced Institute of Science and Technology (KAIST).

CNN: 'Sobots': Uncorking the robotic genie in a bottle

The team of Professor Keon Jae Lee from the Department of Materials Science and Engineering, KAIST has developed a high performance flexible all-solid-state battery, an essential energy source for flexible displays (see paper in Nano Letters: "Bendable Inorganic Thin-Film Battery for Fully Flexible Electronic Systems").

ENGADGET: Korean scientists solve flexible battery riddle (video)