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What is HSC LED?

The LED (Light Emitting Diode) is “light emitting diode”; it is also called LED (Electroluminescent Diode) in French and SSL (Solid State Lighting) in English. LEDs can come in different forms for the user: from the integrated component to the bulb with interchangeable socket. The most efficient and economical bulbs are now LEDs, which consume little energy and emit very little heat. After lumens, color temperature: this is the second important piece of information, as LEDs can produce a warm light identical to that of incandescence, like a cold white tending to blue. The color temperature is indicated by the number of Kelvin (K). We speak of warm light between 2700 and 3200 Kelvin, cold light above 4000 Kelvin. Not all LED bulbs are compatible with a dimmer. They must be “dimmable” or display the drive logo.

Definition of an LED

It is a light-emitting diode, most often called by Anglicism LED (Light-Emitting Diode), an electronic component that emits light when an electric current passes through it. An LED does not have a filament that heats up like an incandescent bulb. LED emits light through a small microchip, and the process, luminescence, is more efficient than incandescence.

What are the advantages of using LEDs?

  • Very long service life (50,000 hours)
  • Low power consumption (a few tens of mill watts to a few Watts)
  • Very low heat emission
  • Reduced size allowing the creation of small luminaires
  • Very low voltage operation
  • Almost zero light inertia. They turn on and off instantly
  • Excellent mechanical resistance (shocks, crushing, vibrations)

An HSC LED is a chines company which providing HSC LED light-emitting diode, abbreviated as LED or LED (for English Light-Emitting Diode), is an electronic component capable of emitting light when it is traversed by an electric current. This technology has been used for four decades for signaling applications (indicator lights). Today their power has increased considerably and they can be used in direct lighting. The LED was discovered in 1922 and then industrialized from 1960 in the form of colored diodes. It was not until 2000 that the first high-power LEDs and the first white LEDs appeared, thanks to significant R&D efforts. The ambition is therefore to compete with existing technologies for everyday lighting for individuals and professionals. The market share of LEDs for both indoor and outdoor lighting could reach 45% in 2016 and 70% in 2020. This market is therefore growing very strongly.

The different types of LED

There are several types of LEDs, different in function and performance. “Another complication in the choice of an LED bulb”, you will say to me … It is not. It is actually not that complicated since each of these types of LEDs has advantages and disadvantages that determine them for a particular use, depending on your need or the location of your bulbs. It will then be easy for you to define which type of LED to direct you to. This will determine the angles of diffusion and the power of your bulbs, or rather the reverse because it is your needs in terms of angle and power that will determine the most appropriate type.

The oldest LED Dip.

The first LEDs you saw were probably of this type, they are those used for almost 40 years in all your electrical/electronic devices as an indicator to inform you for example of the presence of a voltage, of an operation appliance or a program selection. They are therefore quite naturally the first to have been used and developed for lighting. They are reliable and very inexpensive but their performance is far from exceptional, especially compared to the technologies that will follow. In addition, they have a very restricted lighting angle that does not exceed 30°. You may have already had the experience of purchasing bulbs made up of this type of LED in supermarkets or other generalist distributors. You have noticed that the power was not there, very far from equaling your traditional bulbs. 

A second generation of this type of LED then appeared. It is in fact an LED halfway between the first generation of DIP LEDs and the SMD LED (see below) since, if its appearance remains the same, it receives in its heart a more luminous chip wide with the same component as the SMD LED. It therefore makes it possible to have a diffusion angle greater than that of the first generation, but a yield that is only slightly greater.

The SMD LED (Surface Mounting Device).

 This technology looks completely different, smaller and extra flat, it is soldered to the surface of electronic circuits (hence its name which can be translated as surface mounted component). Although this technology has existed for many years, it is only recently that it has been possible to assemble them and form bulbs (of the order of a few years anyway). This type of LED hardly produces more heat than the DIP LED which remains totally cold; SMD LEDs offered the best performance on the market until the advent of COB LEDs (see below). They manage to easily exceed 80 lumens watt per LED against only 30 or 50 lumens maximum for a DIP LED. All for an equivalent consumption! It also allows obtaining a lighting angle of up to 140°, which makes it ultra-versatile in its use. Despite the appearance of more efficient LEDs, bulbs equipped with SMD LEDs remain the best quality / price ratio on the market because they are manufactured in very, very large volumes.

Red Note: 30 September 2022

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