A proposal for using large televisions as external monitors will make your laptop life easier and prevent eyestrain! And it’s a software-only solution!

Background:

Extremely large TVs have now become cheap enough to use as gigantic computer monitors. It’s possible to find a 55+” television with high enough resolution and low enough latency to work as an external monitor for even the most discerning computer-ologist.

The issue:

Most desks are not set up to accommodate a 55″ television as a monitor. In particular, the most immediately obvious arrangement—laptop in front of monitor—has the disadvantage of having a large area of the monitor blocked by the laptop (Figure 1).

Fig. 1: In this animation, we can see the red “masked out” region where the laptop screen blocks the view of the TV. This wouldn’t be a problem if the system software knew not to put windows in the red area—but since it doesn’t, the user will have to constantly rearrange their windows to avoid this “dead zone.”

Proposal:

In order to fix this laptop-blocking-screen issue, we turn to a simple software fix: simply split the monitor into three rectangular sub-monitors that are NOT blocked by the laptop screen (Figure 2).

Fig. 2: Since the system software already understands how to deal with multiple monitors, we just need to convince it that our TV is actually three separate sub-displays (screens 2, 3, and 4 here).

Fig. 3: We can see an “in-use” mockup of the multi-monitor setup here.

Instead of splitting up a monitor into three rectangular sub-displays, it might also be possible to allow a user to “mask out” an arbitrary region of a monitor as a “dead zone” to be ignored by the system (Figure 4). This would allow the external display to still be treated as a single monitor, rather than 3 separate ones. Although a non-rectangular display may seem odd, there is precedent for it in smartphones: the Apple iPhone X “notch” and the “hole punch displays” introduced in 2019 are common examples.

Fig. 4: The red outline here shows an extreme example of how a non-rectangular external monitor might be used. Perhaps if these irregularly-shaped setups become common, the weird windows of 1990s Winamp “skins” will make a triumphant return as well!

Conclusion:

Is it possible that a far-away television is better for eyestrain than a smaller-but-closer computer monitor? Maybe! Some sort of legitimate eyeball scientist should weigh in on this matter.

PROS: The multi-monitor setup would probably actually work, although irregularly-shaped displays might be a hassle.

CONS: Could have very limited appeal.