Abstract
AbstractWe demonstrate that having hydrogen inside the operational ambient of field emission displays results in significantly improved display life. However, improving device performance by incorporation of gas phase hydrogen into thin glass packages is a difficult task. In this paper, we report on the development of solid state hydrogen sources utilizing thin film metal hydrides, which can be easily integrated into field emission displays. We show that these metal hydride thin films provide a practical means to incorporate solid state hydrogen sources into field emission displays. Using stainless steel anodes coated with TiH2 thin films, we demonstrate the successful operation of molybdenum field emitter arrays without emission current loss for 400 hours of continuous operation. Comparable arrays operated in the absence of hydrogen, but in an ultrahigh vacuum had emission current degradation of over 50% in less than 100 hours of operation.
Published Version
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