Sensational and fast: The development of LED TL

Sensational and fast: The development of LED TL

Led TL "gives cold light", "has bright spots" or "gives insufficient light".

These are the most common prejudices about LED fluorescent lighting.
But this is a thing of the past!

Look and judge for yourself.

Almost every business building has it: fluorescent lighting. At that time an economical solution compared to halogen and incandescent lamps, but nowadays it can be much more economical. You save 54% - 69% energy when you replace your traditional TL with LED fluorescent lighting. In short, a substantial saving on the energy bill.

Until a few years ago, LED TL often gave cold light, you saw the "bright LED dots" and/or LED gave insufficient light output. Fortunately, this is a thing of the past! But this prejudice about LED still dominates. That is why I will show you the fantastic development of the LED TL in this article.

2005: Power LEDs

The development of the LED fluorescent tube started around 2005. The first LED fluorescent tubes with so-called power LEDs came onto the market.

Below you can see the (low) light output and (blue/purple) light color of the first LED TL. This lamp was therefore not suitable for replacing conventional fluorescent tubes one-on-one without losing light output or light quality.

2005-2010: Improvement of power LEDs

Over the years, the power LEDs were further developed, just like all other components in the LED fluorescent tube. With components, I mean the parts in the tube that control the LEDs. The higher the number of LEDs, the warmer the tube becomes. This is where the biggest problem was, because of the warmer the electronics, the greater the chance of defective LED fluorescent lamps. That is why it was (and still is) important to use quality electronics for LED tubes.

Around this period, a 60 cm LED tube gave a total of around 800 lumens of light output. In terms of light output, this LED tube came as the first generation in the neighborhood to replace a traditional fluorescent tube. The number of power LEDs per tube was considerably increased, which of course also increased the number of lumens. The tubes could reach approximately 70-80 lumens per watt during this period.

The total number of lumens of the LED fluorescent tube is less than with a traditional fluorescent tube, but the number of lux (amount of light on the surface) in this model started to come close to traditional fluorescent tubes.

Above you can see that the number of power LEDs has increased considerably compared to the LED tube from 2005. The disadvantage of these tubes was that only the tubes with very cold light (6500K / almost blue) had sufficient light output. The most commonly used light colors 840 (4000K) and 830 (3000K) gave too little light in LED, so they could not be replaced by the same light color.

2010-2012: From power LEDs to SMD LEDs

A major breakthrough in LED! Where previously, the insufficient light output could be achieved with power LEDs, this was possible with the new SMD LEDs. These completely new LEDs took over the LED market. They provided more light and the warm light colors (830 / 3000K and warmer) could now also be simulated exactly. It used to be very difficult to realize warmer colors in LED, but this too now belonged to the past. A big step in LED history!

Power LEDs, recognizable by the lens balls containing a small LED.

 Sensational and fast: The development of LED TL!
SMD chips are rectangular, do not need a reinforcing lens and have very good specifications.

 Sensational and fast: The development of LED TL!
The number of lumen p / watt increased from 70-80 lumen p / watt to 80-90 lumen p / watt. In addition to the light color 830, the milky cover was also introduced. Thanks to this kind of milk glass (only made of plastic), glare was prevented more and (for many) even more important: the LED fluorescent lamp was almost indistinguishable from a traditional fluorescent lamp. (see pictures below)

2014-2017: Efficiency

Since the introduction of the milky cover and SMD chips, the external characteristics of the LED fluorescent tubes remain virtually the same. The most important development is efficiency. Where 70-lumen p / Watt was still customary in 2010, it is currently (end of 2016) already at 130-lumen p / Watt.

The big advantage of this is that the same light output can be realized with an even lower wattage. This means even greater savings. Another advantage of this is that more and more powerful tubes can be produced, for example for extremely high ceilings or spaces that require a lot of light. And that still with a considerable saving compared to traditional (fluorescent) lighting!

Keep in mind: the higher the lumen/watt ratio, the higher the purchase price. Plus, the higher the total number of lumens, the better the electronics and heat dissipation should be. So always pay attention to the efficiency in combination with the price when buying LED (TL).

Further developments are in the electronic components and other details, such as the driver, insulation, heat dissipation, materials, etc. etc. All for optimum heat dissipation and therefore a longer life span for the LED fluorescent lamps.

Switch to LED TL?

Below this article, you can see our series of led TL Basic and led TL Pro tubes.

The Basic line has> 115 Lm / W and is one of the cheapest LED tubes in the market. Max ceiling height: 3m.
The Proline has> 130 Lm / W, extra insulated parts, extremely good heat dissipation, the best available driver (Rubycon) and very long service life.

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