ACE LED LIGHT > LED Encyclopedia
Color Tolerance Is One of the Most Misunderstood LED Lighting Specifications
2026-05-19
Is a Lower SDCM Always Better? Why Color Tolerance Is One of the Most Misunderstood LED Lighting Specifications?
When selecting LED lighting, one specification appears frequently on datasheets:SDCM ≤ 3,SDCM ≤ 2,3-Step MacAdam,2-Step MacAdam.Because the number becomes smaller as the tolerance becomes tighter, it is easy to assume:The lower the SDCM, the better the light.That conclusion is incomplete.
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Why Does the Same Color Look Different Under Different Light
2026-05-12
Why Does the Same Color Look Different Under Different Light? The Science of Light, Color, and Metamerism
A garment looks like the perfect color in a retail store, but appears noticeably different when viewed outdoors in daylight.A wood veneer looks rich, warm, and dimensional under showroom lighting, yet appears flatter and less expressive after it is installed at the project site.A print proof matches the target color perfectly inside a standard light booth, but shows an obvious color difference under ordinary office lighting.
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IP65, IP66, IP67, IP68-Which Waterproof Rating Should You Really Choose
2026-03-15
IP65, IP66, IP67, IP68: Which Waterproof Rating Should You Really Choose?
In outdoor lighting projects, waterproof ratings are often one of the most misunderstood specifications.Many engineers and contractors have experienced situations like these:A lighting fixture labeled “IP65” begins leaking after only a few months of heavy rain exposure.
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Is a Higher Color Rendering Index (CRI) Always Bette
2026-03-08
Is a Higher Color Rendering Index (CRI) Always Better?
When selecting LED lighting products, many buyers focus heavily on one specification:CRI (Color Rendering Index).A common assumption in the lighting industry is:“The higher the CRI, the better the lighting quality.”At first glance, that sounds reasonable.
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How to Choose the Right Material for LED Lamp Bead Brackets
2026-03-06
Copper, Iron, Aluminum, or Alloy: How to Choose the Right Material for LED Lamp Bead Brackets?
When evaluating LED lighting products, most people focus on factors such as brightness, wattage, color temperature, or CRI. However, one of the most critical components affecting LED lifespan is often overlooked:The LED lamp bead bracket.
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What Exactly Is the Difference Between RGB, Primary Colors, and the Seven Colors of Light
2026-02-26
What Exactly Is the Difference Between RGB, Primary Colors, and the Seven Colors of Light?
Many people believe that light is simply made up of “Red, Green, and Blue.”In reality, the relationship between RGB, primary colors, and the seven colors of light is far more complex.In lighting, display technology, and even everyday conversations, we often hear statements like:
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Why Is Calculating Lux Essential in Lighting Projects
2026-02-25
Why Is Calculating Lux Essential in Lighting Projects?
In lighting design and engineering projects, one technical term appears constantly: Lux.For example:Office lighting requirements: 500 Lux,Shopping mall aisle lighting: 300 Lux,Warehouse lighting: 150 Lux.Many people new to the lighting industry often wonder:“If light fixtures already have a Lumen rating, why is Lux still important?”
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The Real Science Behind LED Flicker and Healthy Lighting
2025-12-30
Phone Captures Flickering Lights? It Doesn’t Mean the Light Is Bad!
Take out your phone, point it at a ceiling light, snap a photo—and suddenly, your screen shows rolling black bars, flashing waves, or chaotic flicker.The immediate reaction?“This light is flickering! It must be low quality!”But here’s the surprising truth:Flicker shown on your phone camera does NOT mean the light is harmful to your eyes.
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Filtered Light vs. Healthy Spectrum-What Your Body Truly Needs
2025-12-03
What Does the Human Body Need: “Specialized Light Color” or a “Healthy Spectrum”?
Visit a lighting store and you’ll likely see a familiar environment: warm, rosy light that makes everything from skin tones to furniture look softer, brighter and more attractive. Store employees will also explain that these “specialized light colors” are more comfortable, healthier and can even improve your mood.
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The Ultimate Guide to Choosing Color Temperature
2025-11-18
The Truth About Color Temperature: A Science-Based Guide to Choosing the Right Light for Every Space
In reality, lighting is not just about brightness or ambiance—it is the emotional designer of a space, the biological regulator of the human body, and the visual interpreter that determines how accurately we see colors and objects. A cozy 2700K warm light may be perfect in a bedroom but counterproductive in an office. A crisp 6000K cool white may sharpen focus in a classroom but destroy the atmosphere of a restaurant.
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WELL, Dark Sky, BUG: The Global Standards Shaping the Future of Lighting
2025-11-07
WELL, Dark Sky, BUG: Who Really Decides the Fate of Modern Lighting?
For years, lighting has been measured in just one metric: brightness. Today’s lighting industry – and more importantly, tomorrow’s – is about so much more than lumens. The “fate” of a light fixture is no longer based on just wattage and life expectancy. The value of a fixture is instead influenced by robust international standards that quantify light’s impact on human health, ecological balance and our cities.
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Understanding the Apparent Color of a Light Source
2025-07-01
Understanding the Apparent Color of a Light Source
When it comes to lighting, the apparent color of a source is more important than its absolute brightness. Apparent color influences ambiance, visibility, and psychological response. How light color is measured, what numbers tell you about the color of a light source, and how that information translates into real-life applications will help you make better-informed lighting decisions.
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