![]() In that patent, the secondary display could be used as a trackpad, keyboard, or other contextual controls as needed by a user. Last May, Apple applied for a patent that also details a dual-display design. This isn’t the first Apple patent that describes a digital touchscreen keyboard, however. ![]() Apple’s Other Touchscreen Keyboard Patents ![]() Luckily, Apple’s patent also details a method for mitigating this with polarizing layers and wave plates. Of course, with a double-display design, there’s always the possibility of unwanted glare or reflections between the two screens. It could also allow for the entire keyboard to double as a Wacom-style sketching or drawing surface. That secondary display could be used as a keyboard, allowing for contextual keys and even different language layouts on the fly. The language also describes how one display could use LCD technology, while the other would rely on OLED. One would use a detachable hinge that would allow the primary display to be removed and used as a tablet-like device, while the other would use a permanent hinge. ![]() The patent offers two possible implementations of the dual-display design.
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