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UT, ORNL part of breakthrough that reduces LED sizes

Posted at 10:36 am March 11, 2014
By University of Tennessee Leave a Comment

2-D LED Light Image

This graphical representation shows the layers of the 2-D LED and how it emits light. (Image courtesy University of Washington)

SEATTLE—University of Washington scientists have built the thinnest-known LED that can be used as a source of light energy in electronics, thanks in part to a breakthrough by researchers at Oak Ridge National Laboratory and University of Tennessee in Knoxville.

The LED is based off of two-dimensional, flexible semiconductors, making it possible to stack or use in much smaller and more diverse applications than current technology allows.

“We are able to make the thinnest-possible LEDs, only three atoms thick yet mechanically strong,” said Xiaodong Xu, a UW assistant professor in materials science and engineering and in physics. “Such thin and foldable LEDs are critical for future portable and integrated electronic devices.”

Most consumer electronics use three-dimensional LEDs, but they are up to 20 times thicker than the LEDs being developed. [Read more…]

Filed Under: College, Education, Oak Ridge National Laboratory, Science, Top Stories, U.S. Department of Energy Tagged With: Aaron Jones, Croucher Foundation, D.G. Mandrus, David Cobden, interconnects, Jason Ross, Jiaqiang Yan, Justus Liebig University, Kenji Kitamura, Kenji Watanabe, LED, light energy, light-emitting applications, Materials Science and Engineering, National Institute for Materials Science, National Science Foundation, Nirmal Ghimire, Oak Ridge National Laboratory, Office of Science, ORNL, Philip Klement, Research Grant Council of Hong Kong, Science and Engineering Research Facility, semiconductors, Takashi Taniguchi, three-dimensional LED, two-dimensional LED, U.S. Department of Energy, University Grant Committee of Hong Kong, University of Hong Kong, University of Tennessee, University of Washington, UT, UW, Wang Yao, Xiaodong Xu

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