DIY Dual-Layer LCD monitor - can it match OLED??

Summary by Krater

The creator builds a DIY dual-layer LCD monitor by stacking two panels with a diffuser to improve contrast and black levels, concluding that while it achieves impressive contrast and color vibrancy at a low cost, its high power consumption and bulk make it impractical compared to commercial alternatives.

From the video

Answers: How do you build a DIY dual-layer LCD monitor for better contrast?

• dual-layer LCD monitor
• monitor contrast ratio
• LCD polarization
• backlight modification

What it concludes

• Adding a tracing paper diffuser between stacked LCD panels depolarizes the light so it is not blocked by the second panel.
• A DIY dual-layer LCD monitor drastically increases contrast and color vibrancy, rivaling high-end displays.
• The DIY dual-layer LCD monitor suffers from high power consumption, using over 250 watts for the backlight.
• Dual-layer LCD displays are not commercially successful because they require excessive power and remain dim compared to standard screens.