Apple is currently using an LGD 1.57" 394x324 LTPO AMOLED display (1.78" 448x368 on the larger 44mm version) in its latest Watch smart wearable device. Apple's involvement in Micro-LED displays started in 2014 when it acquired LuxVue, and it was always assumed that Apple's main aim for the new display technology is to adopt it in wearable devices.
According to a new report from Taiwan, PlayNitride and RiTDisplay are in talks with Apple to supply microLED displays for Apple's next-generation Watch wearable. A micro-LED display could offer much higher brightness and efficiency compared to an AMOLED display, both of which could be highly desirable in wearable devices.
In May 2019 Taiwan-based PMOLED display maker RiT Display announced a strategic partnership and share swap with PlayNitride MicroLED developer. In June 2019 it was reported that a US-based smartwatch brand will start a design process in Q3 2019 using a 1.25" micro-LED display that was co-developed by RiTDisplay and PlayNitride. RiT will start shipping samples in Q4 2019. Interestingly the latest report from Taiwan says that PlayNitride confirmed it is in talks with US customers regarding a 3" full-color Micro-LED display, which is a very large display for a wearable device and could be a mistake in the report.
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