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Brightness is one of the most important performance metrics for LED displays, yet it is often misunderstood. Measured in nits, brightness determines how well a display performs under ambient light — especially in outdoor or high-light environments.
Indoor LED displays typically operate between 800 and 1,500 nits. This range delivers vivid visuals without causing glare or eye fatigue in controlled lighting conditions. Outdoor LED displays, however, may require 4,000 to 7,000+ nits to remain visible in direct sunlight.
Choosing excessive brightness for indoor applications wastes energy and can reduce visual comfort. Choosing insufficient brightness outdoors leads to washed-out content and poor readability.
Brightness also impacts power consumption and thermal performance. Higher brightness requires more energy and generates more heat, making proper thermal management essential for long-term reliability.
A well-designed LED system balances brightness with environment, content, and viewing distance to achieve optimal real-world performance — not just impressive spec-sheet numbers.