Fingerprint authentication will become a lot more common on smartphones of all prices as sensors get cheaper -- and Google's integration of the technology in the next version of Android will make it much easier for app developers and service providers to make use of them.
Sharp is developing a "color memory LCD panel" for wearables that has dramatically lower power consumption, allowing smartbands, smartwatches and other devices with small displays to be used far longer.
Coty is growing.
Looking beyond touchscreens, an alliance of companies including Synaptics and Texas Instruments is trying to exploit unused surfaces to make smartphones interactive and easier to use.