New types of soft and almost natural lightening alternatives for offices and homes; Research

Professor David Carroll works with graduate student Greg Smith on new FIPEL lighting technology (Credit: Ken Bennett, Wake Forest University photographer)Researchers have developed a new form of light bulb alternative based on field-induced polymer electroluminescent (FIPEL) technology that gives light without yellowish or bluish tinge.

This research has been published online in the journal Organic Electronics.

This new technology gives off light with soft and flicker-free capabilities. It is also durable. It can also be made into any color and shape. These are also two times more efficient as compared to compact fluorescent (CFL) bulbs and have the same level as that of LEDs.

“People often complain that fluorescent lights bother their eyes, and the hum from the fluorescent tubes irritates anyone sitting at a desk underneath them,” David Carroll, Director of the Center for Nanotechnology and Molecular Materials at Wake Forest University, who is leading the development of this technology at Wake Forest, David Carroll. “The new lights we have created can cure both of those problems and more.”

In this technology, researchers have converted charges into light with the help of nano-engineered polymer matrix. It is made up of three layers of moldable white-emitting polymer having small amount of nanomaterials blended in it. These nanomaterials glow with the light similar to the sunlight.

“If you wanted blue lights, discos would still be popular. You want lights that have a spectral content that is appealing to us inside of a building,” Carroll said. “You want a light that won’t shatter and create a hazmat situation while your children are around.”

This light can replace office and home lighting due to its natural white light effect. These are long lasting. Carroll presented one that could work for about a decade. The University is working with a manufacturer to make it available to customers by next year.


Yonghua Chen, Gregory M. Smith, Eamon Loughman, Yuan Li, Wanyi Nie, David L. Carroll, (2012). said in a statement Organic Electronics, doi: 10.1016/j.orgel.2012.10.017

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