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This paper reports on the most recent results of a 2.5um dot pitch
0.18” OLED microdisplay which has been realized in a 28nm
CMOS backplane. It proves the general feasibility of small‐node
CMOS technologies for microdisplays enabling the integration of
far more functionality in the backplane. This has been successfully
demonstrated by integrating a complete frame buffer in the
backplane which comes with substantial benefits in terms of driving
the system from a low‐bandwidth data source. This results in
significant power savings and smaller sized systems which
improves ergonomics which is another critical key parameter for
wearables.