Industrial LCD Brightness Calculator
Enter your lighting environment to calculate the minimum display brightness (nits) for readable operation, and get optical-bonding / anti-glare recommendations. Based on the 2:1 contrast rule used by display engineers.
Calculate required brightness
Select your use environment or enter ambient lux directly.
Brightness quick-reference
| Environment | Recommended |
|---|---|
| Indoor | 250 nits |
| Semi-outdoor | 500 nits |
| Outdoor shaded | 700–1000 nits |
| Direct sunlight | 1000–2000 nits + optical bonding + AR |
FAQ
Why 1000 nits for sunlight?
At 100,000 lux, the 2:1 rule implies 50,000 nits — impossible for LCD. Optical bonding and anti-reflective coating cut reflected glare ~90%, making 1000 nits practically readable outdoors.
Does high brightness reduce lifespan?
Yes. 1000+ nit backlights run hotter and typically last 20,000–30,000 hours vs 50,000 for standard. Thermal design is critical.
When should I use the brightness calculator?
Use it early in enclosure and power design: enter your ambient lighting environment to learn the minimum nits needed for readable operation, plus whether optical bonding or anti-glare treatment is worth it.
Send your requirements — we reply within 24 hours with matching in-stock modules.
Talk to RONEN →