Flexible GaN LED on a Polyimide Substrate for Display Applications
2012
The flexible GaN-based light emitting diode (LED) has been fabricated on a plastic substrate for flexible display
applications. The epitaxial structures of the GaN LED arrays are transferred onto a flexible substrate using standard soft
lithography technology and connected to a source-meter by metal lines. To verify the mechanically and optically stable
characteristics of the GaN LEDs on the flexible substrates, the electrical properties are characterized during 2000
bending cycles at various bending radius. A white light-emitting phosphor-coated GaN LED shows its potential as a
next-generation flexible light source.
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