HP: The future of the PC monitor could be modular
HP is researching monitors that consist of micro LED modules. This would allow users to create the desired aspect ratio.
Samsung uses micro LED modules for its video screen "The Wall". HP is thinking about realizing the concept in monitor size.
(Image: heise online / nij)
If HP has its way, PC monitors with micro-LED technology could appear in a modular design in the future. Users could then buy a basic module with a stand and the connections, and expand this with various additional modules. This would allow different aspect ratios within a single modular system.
Micro-LEDs make such designs possible because they use tiny light-emitting diodes directly as pixels. They require neither a light-controlling LCD layer nor a self-illuminating organic layer.
In a research summary, HP ponders a 12-inch × 12-inch base module and 6-inch × 12-inch extensions, either flat or curved. However, at least initially, the manufacturer does not envisage that several extensions can be coupled in series.
Configurations that do not result in a cuboid would be recognized by Windows or other operating systems as multiple logical displays, for example if a base module is extended at the top and right. Several base modules next to each other would always be recognized as different monitors.
(Image:Â HP)
Numerous disadvantages
HP has not yet commented on the resolution. No wonder, as micro-LEDs are not yet suitable for use in PC monitors. The pixels are too large and production is too expensive. The production costs are also likely to have prompted HP to develop a modular concept. Smaller panels can be produced more cheaply, and in the event of pixel faults, only modules need to be replaced rather than the entire display.
However, the concept also has considerable disadvantages, apart from possible errors in recognition. The display quality in particular is a problem, as the transitions between the modules are potentially visible.
HP is considering simply ignoring the issue or tackling it in various ways. One option would be to use materials with a variable refractive index and calculate the remaining distortions out of the image using an additional processor. However, the potential for error here is likely to be high.
Meanwhile, the specified resolution per module would limit flexibility. For example, if you want to have an exotic 1:1 monitor, you would have to build it quite high in order to achieve a reasonable resolution.
To date, LG and Samsung have primarily built huge video screens with micro LED modules. Because the pixel density is much lower there than on monitors, and you sit further away from the screen, the image transitions are not a concern there. However, the prices are currently not suitable for the masses, which is why the technology is primarily used in selected cinemas.
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