Blog - Yujileds

The Lighting System of Gallery

Under the backdrop of economic boom and political stability, the gallery industry has mushroomed in recent decade. As the site of exhibition and sales of art works, the light plays a dual role in art ...

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Illuminant Quality Evaluation Index (CRI Part)

Actually, eyes are the best tools to evaluate light quality. But when we need to test it quantitatively, what should we do? CIE, NIST and other divisions have defined CRI, CQS, TLCI and TM-30-15, whic...

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High CRI LED Track Light

As directional lighting product, track lights are featured the ability to move along the track, and the adjustable irradiation angle. Generally speaking, track lights are used in Commercial applicatio...

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Why High Price For High-quality LED Products? Part – 5

After analyzing LED lead frames and chips in terms of their qualities and costs, this time we will talk about another component in all LED products—the encapsulant. ...

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High CRI LED Lighting In Fashion System

Vanity with light is a cosmetic production which produced by the Fashion industry. High-quality Vanity has bright and soft lights, not only facilitates the work of s...

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Yuji Binning VS MacAdam Ellipses

In 1942, David Macadam created 25 ellipses to measure and judge the consistency of different colors.Later, ANSI (American National Standards Institute) C78.377 suggested the standard of lighting shoul...

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Recent developments

Our Progress1. Expanded binning options to reduce green/magenta shiftSome of our initial violet chip LED batches had a slightly noticeable green tint. We quickly found the reason was the deviation of ...

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Light and Productivity in the Workplace

Lighting is one’s work environment that has a large impact on productivity. Although it may not be obvious at first glance, the type and strength of the lighting in a workplace greatly affects the p...

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Five things you should know about color viewing conditions-Color Quality

While color and density measurements play important roles in the control of color reproduction, they cannot replace the human observer for final assessment of the quality of complex images. Color refl...

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Five things you should know about color viewing conditions Part Two: Light Intensity

In color management and print quality verification processes, visual assessment of colors is a key. In order to acquire color accuracy, a proper lighting condition becomes a must. The ISO3664:2009 sta...

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