DisplayHDR 400 vs 600 vs 1000: The Contrast Ratio Math
DisplayHDR 400 requires no local dimming and allows a black level of 0.4 nits. Divide the certified numbers and the guaranteed floor is just 1,000:1 — while True Black 400 reaches 800,000:1.
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#OLED 4 posts
Mini LED vs OLED: how much screen one dimming zone covers
Mini LED dims by zone, OLED by pixel. On published specs, a 75-inch panel with 504 zones gives each zone an area about 5.5cm on a side to control on its own.
OLED Burn-In: How Many Hours a Day Is the Risk Zone?
The industry rule of thumb puts burn-in at around 5,000 cumulative viewing hours. At eight hours a day that arrives in 1.7 years — before Korea's two-year panel warranty expires. Here is the arithmetic against warranties and public longevity tests.
OLED vs Mini-LED Monitor: Selection Criteria Based on Panel Specs
A panel technology comparison guide for monitor buyers torn between burn-in anxiety and overwhelming contrast ratios. Based on publicly disclosed spec structures and technical principles, this article lays out the criteria for determining which users OLED or Mini-LED suits best.