Apple's patent application is titled "Electronic Devices with Coherent Keys
The patent explains how each key onthe keyboard may have a "display" connected to the "keyboard control circuits" via a "connected bundle of fibers". Apple's idea is that each key is "formed from a fiber optic plate."
Although the patent stipulates that each keymust include a small display to provide a notch that any compatible pixel array will work with, the cutting edge technology Apple has proposed is OLED. The key can be made of materials such as glass, ceramic, metal or polymer. The use of crystalline materials such as sapphire is not excluded.
The new system would allow "reconfiguring"the entire keyboard with labels that you can change as needed. The patent emphasizes that the keyboard can be reconfigured “for different languages”.
It is also suggested that each key canprovide "visual feedback" to indicate the current status of each key, such as whether it corresponds to an uppercase or lowercase letter or an active ability while playing.
The images included in the patent suggest that the adaptive keyboard can be used both in a laptop case and as a standalone keyboard for desktop computers.
Although patents do not 100% guarantee that Appleintends to bring the device to market, they provide an insight into what the company researches, develops and creates. Given that Apple has shown its interest in responsive displays on MacBook Pro touchpad keyboards, it doesn't seem unlikely that Apple will expand similar technology to each individual key at some point in the future.
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