Really neat patent here from Sony that would allow Braille text readout through a series of actuators and a flexible "display" layer.
PORTABLE DEVICE AND SYSTEM - Sony Interactive Entertainment Inc.
<div p-id="p-0001">A system includes a portable device for providing tactile feedback to a user, and a handheld games controller, the games controller including a receiving portion for securing the po
www.freepatentsonline.com
The system according to claim 1, wherein the processor is configured to map the received text information to braille; and wherein the processor is configured to control the tactile output of at least some of the touch elements so as to output a first portion of the received text information in braille.