BARCELONA–You never would have figured Qualcomm would have been so proud of a tiny one-inch black-and-white screen, but the that’s just what the chipset maker was showing off at the Mobile World Congress. The Hisense C108 is the first phone using display technoloy from Qualcomm’s MicroElectroMechanical Systems (MEMS) subsidiary, and while the phone may not be the most impressive looking handset at the Congress it probably has the best battery life. The MEMS display reflects ambiant light to render its images, unlike liquid crystal displays which depend on a power-draining backlight. The result is a phone that can go 20% to 40% longer without recharging than it peers. more