Why TILLUME Static White LED Spot Have Excellent Light Output

Almost without exception, our users marvel at our 24V LED Static White Spot. We are also proud of it.

 

 

After careful selection, we have specially made CCT for LED Spots

The color temperature of traditional incandescent lamps is generally around 2850K, which is more in line with the habit of our naked eyes. Generally, the color temperature of LEDs is 2700K or 3000K. They are either too yellow or slightly white for us. It is more difficult to give us the perfect feeling. And according to research 2850K incandescent lamps are easier to create a warm environment.

In addition, the proportion of the red part in the 2850K color temperature is more suitable for our naked eyes, and compared with other warm colors, it can make the home environment more natural and real.

That's why we chose the 2850K as our Rated CCT.

To maximize the light quality, the light color of each of our lamps is very close to natural light. To this end, we used Duv as an important control point for the product.

What is Duv? First of all, we need to know why sometimes lamps with the same color temperature have completely inconsistent colors.

The color temperature on the left is 3265K, and the color temperature on the right is 3282K. They only differ by 17K.

Don't think it's our naked eye that can find the 17K difference.

We can understand from the figure that the points lying on the isotherm are all the same color temperature, but they are far apart, so the natural colors will not be consistent.

So we have managed the Duv value. If the Duv is closer to 0, it means that the light color is closer to natural light. Then you will naturally feel comfortable. The picture below is our test report, we can see that our Duv value has reached 0.0003

 

High light efficiency, high CRI, and no discoloration after a long time of use.

Frequent replacement of bulbs is a painful thing. Although LED light generally has a relatively long life, this life only means that the lamp is still glowing. However, for people who want to have better light color and quality, it is difficult for conventional bulbs to achieve the stability of light color after installation.

The light color of the LED Module bead is greatly affected by temperature, because the heat will change the physical properties of the material in the COB, resulting in a color shift. This is a process of change, and its rate is determined by the number of LED chips. Generally speaking, under the same power, the more LED chips, the less heat generated by a single LED, and the higher the stability.

The diameter of the light-emitting surface of TILLUME COB reaches 17mm, and the common 8W LED on the market is generally 7-11mm. At the same time, 3 times more LED chips can ensure that we have a long life and the light color does not shift. At the same time, the efficiency of CRI90+ reaching 95lm/w at the same time is also a rare high quality in the market.

Since the plastic reflector works in a long-term high-temperature environment, the electroplated reflective layer on the surface is prone to fall off and turn yellow, which has a great impact on the light color of the spotlight. In order to better maintain the light color, We use aluminum reflectors and glass dust covers to avoid this from happening. At the same time, the aluminum reflector also has a certain heat dissipation function, which allows our bulbs to have a longer life.

 

This 24V LED MR16 Module is our first program that is used in KNX and DALI Home Automatic Lighting Control System. And in the past 8 years, There have been nearly 30,000pcs per year LED spots sold on the Euro market.

Lucky, almost users will marvel at our 24V LED 2850K Spot. Whether its diming performance with DALI and KNX system or high lighting efficiency under CRI90 level.

Here at TILLUME LEDs, we try to make LED lighting easy to understand for our customers. Read below to understand the terminology used on this website and learn about LEDs and lighting science

General Lighting parameters

What are lumens (lm)?

Lumen is the measurement value of brightness. It said the power of light which can be seen by the eye. In fact, light is an electromagnetic wave, In common the frequency of electromagnetic waves that the average human eye can perceive is 380~750THz, and the wavelength is between 780~380nm. So we can say the total watt of light in 380nm-780nm is equal to the lumen

 

Because incandescent lighting have the same energy conversion efficiency by different manufacturers, we are all accustomed to using watts to measure the brightness of a light. That is no problem with incandescent lighting. But it is not suitable for LED. Different manufacturers using different technology and quality level, the energy conversion efficiency will be a big difference, low quality may be 60-70lm/w, and the high quality will be 100-120lm/w for the same lamp. So we have to use lumen. Lumen is the most important parameter when choosing the LED light you need. Comparing lumen output between different products will help you to buy the right LED lamp at a reasonable price.

What is AC?

This is Alternating Current. This is the electricity that is used in most spaces. Generally, there have to 2 kinds of voltage in different countries all over the world. One is 220-240V, and the other is 110-130V. The value of voltage we said is a valid value the voltage value is different each time. It looks the same as a sine wave.

From the picture, we can know the highest voltage is 311V, and 220V is near the avg value(you can understand it as simple). In developed countries, the voltage is stable. But in some developing countries, it usually is not stable due to weak basic power facilities. It may be a higher voltage or lower voltage than the rated voltage.

What are DC and safety voltage?

This is Direct Current. The current always moves in the same direction. So when the device asks for direct current, we need to connect wires as positive and negative electrodes. Safe voltage refers to the voltage that will not cause direct death or disability. The industry stipulates that the safe voltage is not higher than 36V, and the continuous contact safe voltage is 24V.

What is a Watt?

One watt is equivalent to one joule per second, and it's a measure of power consumption that your power company uses to calculate how much energy you're consuming. In the LED era, power cannot be used as a parameter to evaluate whether the light bulb is bright enough, because the better the LED, the more lumens can be emitted with less power.

What is luminous efficacy?

It is the result of dividing lumen by power. The higher the value, the higher the energy conversion efficiency. The figure below shows the new Erp's regulations on energy efficiency labels. We can see that the higher the light efficiency, the more energy saving

What is CRI and why is it important?

CRI is an acronym for Color Rendering Index, when we want to know how colors look under a sunlight source, CRI is an important parameter. The higher the CRI value, the closer the color of the object being illuminated is to its true color. CRI is measured from 0 to 100. CRI80+ is the industry standard for most applications while CRI90+ is a premium level that can show your home, clothing, and furnishing look best.

What is color temperature?

What is Beam Angle?

The angle formed from the main axis with the strongest light source intensity to the 50% position of the luminous intensity on both sides is the so-called beam angle.

For the same light source, if the beam angle is larger, the central light intensity will be smaller, and the light spot will be softer. If the beam angle is smaller, the central light spot will be stronger and the light spot will be clearer.

 

Professional lighting knowledge

What is the difference between CIE and TM-30 standards？