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Yuji CRI-MAX™ High CRI Lighting

What is Yuji CRI-MAX™ technology?

In all parameters of an LED light, Color Rendering Index (CRI, what is CRI?) plays the most important role because it determines the illumination quality essentially. Since 2013, Yuji has been dedicated to providing outstanding quality LED starting with ultra-high CRI (CRI-MAX) technology, and today Yuji is capable to offer excellent color rendition LED lights with industrial high CRI 99, and Ra 97 (minimum Ra 95), to the industrial and consumer markets.

CRI-MAX™ technology: CRI R9

The standard CRI Ra is the average score of the first eight Test Color Samples (TCS) of Munsell Atlas for CRI calculation, where the 9th for saturated red color (R9) is not included. However, CRI R9 is the typical metric for evaluating red performance of a light source. Even a high CRI led light source with a poor CRI R9 value will perform poorly for red color reproduction.

R9-768x366

Under a light source with higher R9

Under a light source with lower R9

From the reflectance spectrum curve of TCS-9 below, it is obvious to see starting from 600nm, which is just the beginning of the red color in the visible spectrum, the TCS-9 spectral reflectance raises sharply, in consequence, if the incident light source does not contain sufficient spectral power distribution in 600nm-800nm red light, it will be difficult to get a high value of CRI R9. In other words, the capability of rendering the red color cannot be promised if the red spectral power is missed or not sufficient in the incident light source. However, with Yuji CRI-MAX™ technology, the red spectral power is strongly enhanced and R9 has been boosted dramatically to around 95 for an extraordinary vivid red visual quality.

CRI R9 spectrum
Reflectance spectrum curve of Test Color Sample 9 (TCS-9) in evaluating R9

Comparing a conventional LED light to Yuji CRI-MAX™ LED light at 3000K, the CRI R9 values are significantly different: the CRI R9 value of the conventional LED light is 13 while Yuji CRI-MAX™ LED light is 96.

CRI 80 standard LED
Conventional LED Lighting
R9 vs Yuji CRI-MAX™ LED
Yuji CRI-MAX™ LED Lighting

Benefits of CRI-MAX™

1. Professional High CRI Solution

By prolonging the spectrum coverage by 50% more than regular LED lamps with the introduction of far more kinds of lighting phosphors, Yuji CRI-MAX™ LED lighting creates close sunlight power distribution and reaches industrial high CRI up to Max 99, and R9 95 for artificial LED lights. Meanwhile, the Yuji CRI-MAX™ series meets other  critical lighting standards in terms of high TLCI and high TM-30. In conclusion, the Yuji CRI-MAX™ series provides a perfect lighting solution for applications that require strict color rendering accuracy.

CRI-MAX Professional color reproduction solution

2. Extended High CRI performance

Conventional LED lights on the market are generally available in the CCT range of 2700K-6500K, and high CRI LED lights are limited to fewer options, yet Yuji CRI-MAX™ series LED lights are available in an extended range from 1800K to 20000K with the unique phosphor solutions, maintaining a high CRI above 92 to 97 and excellent spectral qualities. Moreover, looking into the specific Ri (i=1-15) at each CCT, the color rendition of all 15 Ri is simultaneously enhanced without significant contrasts between each other, even for the extreme CCTs.

Applications of Yuji CRI-MAX™ High CRI Lighting

Studios and stages: CRI-MAX™ high CRI LED lights reaches film level qualities in presenting a true color visual environment for both human eyes and cameras, particularly can show the natural skin color vividly because of enhanced red rendition technology. They are excellent for film, photography, and camera lighting.

Yuji Lighting CRI-MAX™ Stage lighting

Working and Learning areas: CRI-MAX™ flicker-free LED lights for office lights, school lights, or indoor lights to help reduce eye strain and headaches and improve work or study efficiency.

Yuji Lighting CRI-MAX™ learning enviroment

Living environments: CRI-MAX™ LED lights for hotel lights, kitchen lights, living room lights, or bedroom lights to provide a quality visual environment that makes for a natural, luxury, comfortable living experience.

Yuji Lighting CRI-MAX™ home lighting

Museums, galleries, and aquariums: CRI-MAX™ LED lights give customers a vivid color vision experience with faithful color and tone renditions.

Yuji Lighting CRI-MAX™ aquarium lighting

CRI-MAX™ Family

CRI-MAX Family A9 SMD

CRI-MAX™ A19/A60 SMD LED Bulb

Excellent for scenarios that require high CRI artificial light sources, preferably for film, photography, commercial, studio, display, residential etc.

CRI-Max Family A19 Filament Bulb

CRI-MAX™ A19/A60 Filament Bulb

Incandescent replacement for indoor and outdoor applications, especially in spaces like bedrooms, family rooms and dining rooms.

CRI-MAX Family Par30

CRI-MAX™ Angle Adjustable PAR30

Halogen replacement for indoor and outdoor applications. Commercial Applications: General purpose lighting, Big-box retail, Galleries, Restaurant, Hospitality.

CRI-MAX Family Par20 White

CRI-MAX™ PAR20

Designed with Yuji multi-phosphor high CRI technology, lamps perform excellent color rendering capability with R9 up to 95+ and give vivid visual effects for skin tones.

CRI-MAX Family GU10

CRI-MAX™ GU10 Dimmable

Designed with Yuji multi-phosphor high CRI technology, lamps perform excellent color rendering capability with R9 up to 95+ and give vivid visual effects for skin tones.

CRI-MAX Family MR16

CRI-MAX™ MR16 Bulb

Excellent for scenarios that require high CRI artificial light sources, preferably for film, photography, commercial, studio, display, residential etc.

CRI-MAX™ Family Features

Yuji Lighting High CRI Icon

High CRI

CRI is calculated as a value with a maximum possible score of 100. A CRI score of 95 or above is considered very high, and indicates that a light source will make objects appear very similar to how they would look under natural lighting conditions.

Yuji Lighting URG<19 Icon

UGR Improved

The UGR of the lamp is within 19, and the glare is well controlled without glare

Yuji Lighting Ultra Color Consistency Icon

Color Consistency

We keep the color consistency for all of our lightings with your project.

Yuji Lighting High Efficacy Icon

Premium Thermal Management

Premium thermal management for higher reliability

ICON-6

Dimmable Light

It is compatible with a variety of dimmers and dimmable the light smoothly.

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