DIY Perks dual-layer LCD monitor

YouTuber Makes DIY Twin-Layer LCD Monitor

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YouTuber Matthew Perks, AKA DIY Perks, showcased his DIY dual-layer LCD monitor earlier this week. It’s a homespun reply to the issue of LCD dimming and an try to achieve elevated distinction by deeper blacks on an LCD show. It makes use of a pair of LCD panels from off-the-shelf screens.

There are just a few present fashionable laptop monitor applied sciences obtainable in the present day. Firstly there are LCD screens which make use of a full white backlight masking the complete display screen. In this kind of monitor colours and black are generated by liquid crystals  letting the backlight by unaffected (white) coloring or trying to dam the sunshine (black). LCD IPS screens normally have a particular darkish gray look at their darkest factors, whereas LCD VA screens are a bit higher on this regard. Additionally, LCDs can typically undergo from backlight bleed as a result of full and intense white gentle behind the pixels. Extra trendy LCDs might make use of dimming zones the place the backlight might be turned off for higher distinction, with extra zones working with the monitor firmware for extra refined native dimming. There are additionally screens with rather more granular backlighting tech referred to as mini LED and micro LED shows. We don’t have to get into these right here, however will even point out OLED, the place every display screen pixel is its personal gentle supply – so there isn’t any backlight required.

(Picture credit score: DIY Perks)

The primary concept DIY Perks tried, within the quest for a extra OLED-like show on a finances, was to get two similar screens and place one panel in entrance of the opposite to have a black-deepening impact. One monitor was left intact and the opposite stripped all the way down to its very skinny and delicate show panel (with no backlight).

(Picture credit score: DIY Perks)

Sadly, the primary try confirmed that the two-panel darkening impact was so sturdy that no picture was seen in any respect! Undeterred, DIY Perks analyzed the difficulty and located it was because of superimposed polarization layer There are depolarization movies obtainable, however they’re prohibitively costly, mentioned the intrepid YouTuber. As a make-do answer, he discovered putting tracing paper between the panels did very a lot the identical job. With this hurdle behind him, the ensuing picture high quality was judged to be dim throughout, not simply within the black areas.

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