The upcoming Apple Watch may feature an enhanced OLED display along with improved battery life.
LG Display's development of HMO is closely aligned with Apple's established strategy for introducing new display technologies.
The Apple Watch currently features one of the top displays seen in smartwatches, but there are reports indicating that the company is developing enhancements to make it even better.
According to sources in the industry cited by The Elec, LG Display is in the process of developing and validating a new display backplane technology known as high-mobility oxide, or HMO, utilizing its sixth-generation OLED production lines.
The relevance of HMO for the battery life of the Apple Watch lies in its role as a backplane, which is the layer of transistors that manages each pixel of the OLED screen.
Presently, the best technology for Apple Watch displays is LTPO, which enhances battery life by allowing the screen to automatically reduce its refresh rate to 1Hz when not actively in use.
In contrast, HMO adopts a different technique, optimizing the low-power benefits of oxide transistor technology without the intricate manufacturing processes that LTPO requires.
This new technology eliminates the need for laser crystallization or ion implantation, which theoretically should lead to a display that consumes even less power and is cheaper to manufacture. In layman's terms, Apple Watch models featuring this technology could potentially have significantly longer battery life compared to those that utilize LTPO technology.
Apple is assessing HMO as a viable successor to LTPO for its Apple Watch displays. If everything goes as planned, we may also see this technology incorporated into future iPhone displays.
The primary challenge surrounding HMO's implementation in the Apple Watch revolves around how swiftly the transistors within the display can activate and deactivate.
Currently, mass-produced oxide panels lack the speed needed for the high-resolution, high-refresh-rate displays that Apple requires, and LG Display must considerably enhance this aspect before HMO can be ready for large-scale production. Achieving consistent performance across an entire panel, while retaining dependability, is a significant hurdle.
The report indicates that LG Display might provide the technology for smartwatch applications as soon as next year, suggesting an optimistic timeframe for an Apple Watch featuring an HMO display to be 2027 or later. However, a delay until 2028 wouldn't be surprising.
It's important to note that this information is derived from industry sources mentioned by The Elec, and has not been confirmed by either Apple or LG Display.
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