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It's possible to obtain a modified backlight motherboard that can be added to a monitor, to improve its strobing capabilities.
Basically, connect a few ribbon connectors -- like buying replacement monitor motherboards used to add 120Hz overclocking capabilities or add features (e.g. the old VG248QE GSYNC upgrade). This is easier than building from scratch.
I'm in contact with somebody capable of creating a "backlight driver modification board" to add custom strobe capabilities.
- Overrides the monitor's default strobe logic (And annoying manufacturer limits) with external adjustments.
- Any refresh rate (yes, 50/60Hz single strobe if you want!)
- Any pulse length
- Any pulse phase (per LED, or all LED).
- Overvoltage boost for brighter strobes at shorter pulses.
- Switchable global-strobe and scanning-strobe.
- Possibly variable-rate strobe.
- This might be open source. Possibly open-sourcing this codebase so other programmers can attempt their own custom strobe code to attempt to reduce strobe crosstalk further, or reduce motion blur, etc.
Right now, designed for only a couple panels but it should be flexible to cover more common panels. Obviously, it would be at mercy to the monitor's quality of overdrive lookup tables and won't necessarily be as good as ULMB/LightBoost for all panels (in terms of strobe crosstalk & afterimages) but you'll have a far wider range of adjustability.
It would certainly work best on 1ms GtG TN monitors that also does large vertical totals (less ghosting via putting most of GtG in VBI), see Electronics Hacking: Creating a Strobe Backlight
as an explanation why large vertical totals create less strobe crosstalk (by speeding up scanout to create more VBI time for GtG settlement time). Basically GPU-side scanout speedup (large VT), rather than monitor-side scanout speedup (monitor logic, like LightBoost/ULMB), and a compatible panel that merrily scans out faster if the video cable is transmitting at higher dotclocks.
The question is -- is there demand? We'll find out...
Regardless, a board is running here in a panel, the source code is tweakable in Arduino IDE, and the possibilities are endless!
Keep tuned for an upcoming major article... very soon! It's within one of our next few major articles (other than upcoming display reviews & input lag articles).
EDIT: It's up now -- http://www.zisworks.com/shop
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