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OLED

OLED is the abbreviation for organic light-emitting diode. It is a very thin panel that can be flexibly adapted to various surfaces, thereby saving both space and energy. The difference from LED standard LED lies, first, in the materials used: OLEDs employ organic semiconductor materials, which are recyclable, whereas conventional LEDs use inorganic materials. Another difference lies in the manufacturing process. OLEDs are cheaper to produce and result in a kind of flexible, rigid paper. This new type of light-emitting diode works using very thin layers of molecules (known as smOLEDs) and long-chain polymers (known as pOLEDs), through which electricity flows and which are sandwiched between two large electrodes—creating a sort of sandwich structure. When a voltage is applied, the electrons and positive charge carriers migrate toward the center and recombine there. So far, OLEDs have primarily been used for screens such as those in smartphones, tablets, and televisions, as well as for flexible displays. They are also used in large-area room lighting. However, OLED research is not yet complete, and work is still underway on further development; while LED are already state-of-the-art, OLEDs are even more innovative.

Eine Gruppe fröhlicher junger Menschen lächelt gemeinsam in einem sonnigen Park.

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