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It is more practical to mention the types of LEDs in somewhat chronological order, so those who are immediately interested in SMD LEDs can find them at the bottom of the page.

DIP LED

The most well-known LED form, which is also the oldest type. Originally, it functioned as an indicator light for electronic devices. The industry considers the lifespan of these traditional (usually 3-5mm diameter) epoxy-housed LEDs to be the shortest. If this weren’t the case, as the oldest types, only these would exist, and new solutions wouldn’t have been developed. Of course, these DIP LEDs are also constantly being developed, and they are capable of emitting increasing luminous flux. Moreover, to ensure higher luminous flux, the so-called dual-chip DIP LED was created. This is practically two LEDs built into one, thus capable of emitting double the luminous flux from one spot. This encapsulation of multiple chips has proven to be a successful solution for other types as well. In this case, its peculiarity is that its size remains the same as if there were only one chip in the epoxy housing. Thus, theoretically, we can achieve double the luminous flux from the same spot, but this also comes with double heating, which raises doubts about the expected lifespan.

The industry considers DIP LEDs to have a short lifespan because the light and heat generated in a small area, due to their small size, result in poor heat dissipation, and the continuous oxidation of the epoxy housing, the lens, leads to a decrease in luminous flux. Against the problem of heat dissipation, it is argued that the excellent (in many cases perhaps the highest) efficiency of DIP LEDs results in very little heat generation. Even after prolonged illumination, DIP LEDs are touchable, just warm, not hot, and manufacturers haven’t even installed heat sinks on them. In contrast, the Power LEDs introduced below, and increasingly more powerful SMD LEDs generate so much heat that they are unusable without heat sinks, as they would quickly deteriorate. The advantage of DIP LEDs over other solutions is that practically any lighting angle LED can be manufactured within a 120-degree spatial angle without a separate lens or mirror structure. That is, the head end of the epoxy casing is shaped into a lens form, and the distance between the light source and the lens, as well as the curvature of the head end (i.e., lens), determines the lighting angle. Most commonly, DIP LEDs with lighting angles of 120, 90, 60, 38, 30, and 15 degrees are found.

SuperFlux LED

Continue reading SMD LED, Power LED, SuperFlux LED, DIP LED →

We all experience how different colors evoke various moods in us. In color therapy, we harness the healing and stimulating effects of colors. The healing and mood-improving effects of colors are multiplied with the use of color therapy. It replenishes lost energy, improves memory and resilience, relieves stress, eases digestive issues, invigorates, refreshes, and rejuvenates. Color therapy creates harmony in our soul and can bring us peace.

Hollwich (1964), Tilgner (1967), and Dieckhuss (1974) studied the effects of colored radiation on human water balance, sugar metabolism, the diencephalon and pituitary system, blood composition, hormone metabolism, the autonomic nervous system, and liver metabolism. They proved that colored metals and colored environments also elicit experimentally verifiable reactions in living organisms. Thus, ultraviolet rays enhance performance, and the red color’s effect on increasing blood flow is also evident on skin areas not directly exposed to radiation. Various pathological phenomena caused by exposure to different colored environments have been described.

Colors, with their electromagnetic vibrations, continuously affect us throughout our lives, whether we are aware of it or not. A seaside vacation with the soothing proximity of the vast blue water relaxes and calms us. The green of vast forests soothes and balances us. Colors can be used in many ways for healing. We can linger on a painting, use carefully chosen colored tablecloths and curtains, or even paint the room in colors appropriate for the treatment. Selecting our clothes based on their color can address any issue. We can choose foods that match our mood and health from vegetables and fruits of appropriate colors. But we can also use colored light techniques. However, whatever method we choose, the goal is always to achieve harmony, so we should only use shades that do not conflict with our tastes and aesthetic sense, as we can only hope for healing and good cheer from these!
Continue reading RGB LED color therapy →

White light has different shades. The specific value of the “shade” of white light is characterized by Kelvin, or color temperature.
Continue reading Warm White, Neutral White, Cool White LED Color Temperature →

IP designations are encountered multiple times during the design of LED lighting. They are most commonly seen with LED drivers, LED strips, and are essential for outdoor or poolside applications.

IP ratings are determined based on practical tests. Their meaning can be determined from the table below.
Continue reading Understanding IP Ratings →

Customer:

Continue reading The case of the Glim lamp switch and LED lighting →

Looking for beautiful and low-consumption floor lighting?

But don’t want to carve cavities into the floor afterward?

Here’s the solution!
The LED floor lighting is only 8 mm thick, so it can perfectly fit into laminate flooring up to 8mm thick.
Can be installed in both cold and warm flooring, suitable for interior and exterior use.
The light source can be popped out from its aluminum housing.

Continue reading LED Floor Lighting for Laminate Flooring →

In the summer of 2009, the idea came to me to install an alternative heating method alongside the gas heating in our family house built in 2002. We felt the need because, in the winter of 2008, during the gas supply problems in Ukraine, the gas provider supplied gas with a significantly lower calorific value than before. The gas flame burned red instead of blue (due to increased moisture content), and the previous gas price subsidy was also discontinued.
A relatively solid starting point was that, during the house’s design, we built a second chimney in addition to the one for gas heating. I consulted multiple times with the building services engineer about which heating system to install, considering its efficiency and installation cost.

Continue reading Installation of a water-heated fireplace firebox (Norbert Stier) →

I recommend this article to those determined enough to create one of the crowning features of their home: the fireplace. I would like to take this opportunity to remind all readers that I am not a professional fireplace builder, so the materials and techniques I describe come solely from research and not professional experience. Simply put, everyone should use these instructions at their own risk!

Steps Before Construction:

1. First, gather as much information and imagery as possible, and decide exactly what and how you want to create. (shape, color, etc.)
2. Ensure your chimney is properly sized and perfectly positioned.

For my 9kW insert, a 200mm chimney was pre-installed.

3. Select a fireplace insert.

Let’s keep quality in mind!

4. Knowing the dimensions of the insert, we can begin the design work. Let’s create many drawings and take measurements! At the same time, we can start the time-consuming task of selecting the cladding. This is important because it lets us foresee how much work the fireplace cladding will require, and whether we can craft the dreamed-up mantel section. Incidentally, it also helps us determine if we can bring the envisioned design to life using the chosen material.
5. Based on the plans, procure the materials (Ytong, adhesive, stones). I used Murexin adhesive and grout, trusting the factory data and others’ experiences, which say they can withstand temperatures up to 800^oC. I couldn’t find this information for other adhesives.

Continue reading Do It Yourself: Building Your Own Fireplace (Zsolt Béres) →