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Thanks for the informative answer. It just occured to me that modern phones like iPhone or Motorola/Samsung/etc phones often have Qi charging capabilities for p

Thanks for the informative answer. It just occured to me that modern phones like iPhone or Motorola/Samsung/etc phones often have Qi charging capabilities for powering accessories, so powering a display wirelessly shouldn't be a problem.

rtkwe 3y ago
Qi wireless charging isn't by default bidirectional but yes more things are moving that way so you could, on supporting devices, in theory have them powered by a Qi pad only for the duration of the refresh. The only issues I can think of there are I'm not sure if the Qi process can start up without power on the receiving end, the source device isn't always broadcasting power afaik so I don't know what the trigger is and if it requires some communication with the receiver device. The last is the NFC has a pitiful data rate of ~424 kbits/s but if we're powering it through Qi we can use more power hungry transfer methods to speed it up.