In-display fingerprint technology is cool and all but it's only available on relatively expensive handsets with OLED panels. Industry experts even think that the tech is relatively mature, but what about cost-effective solutions like LCD? Well, the Chinese display manufacturer BOE seems to have you covered on this one. BOE has revealed that it has successfully implemented optical in-display fingerprint scanner into a conventional LCD panel. That's a huge breakthrough for the low-end and mid-range market segment because the nature of LCD panels didn't allow fingerprint scanners sitting...