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The reliability of microelectronic devices is often limited by internal local delamination that occurs between the polyimide layer and the re-distribution top metal layer on the chip surface during temperature cycle testing. In order to design reliable microelectronic packages and to avoid additional delay and cost of potential re-designs, such effects should be thoroughly analyzed, understood and...
Bright-blue organic-light-emitting-diodes based on carbazolic-compounds as emitting layers or dopant in DPVBi matrix are described. Pure-blue light with CIE coordinates xy = (0.158;0.169) and external quantum efficiency as high as etaext = 3.3% were obtained.
We present a multilayer organic-light-emitting-diode design which allows total control of the emitted color (including white emission) through the accurate modification of a yellow ultrathin emitter position and thickness in a blue matrix.
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