why par can lights not use many light beads as before?

Par can lights traditionally used incandescent bulbs as their light source, which consisted of a single filament. These bulbs emitted light in all directions, and the term "PAR" stands for Parabolic Aluminized Reflector, which describes the reflector inside the fixture that focuses and shapes the light output. In this traditional design, using many individual light beads, as you might see in an LED array, was not the standard practice.

However, in recent years, there has been a shift towards using LED technology in PAR can lights and other lighting fixtures. LED technology offers several advantages over traditional incandescent bulbs:

1. Energy Efficiency: LEDs are much more energy-efficient than incandescent bulbs. They produce the same amount of light (or more) while consuming significantly less power. This efficiency is crucial for energy conservation and cost savings. for example, in the past, due to the technology limitation, the LED bead max power is 3 watt. it means when persuing high brightness, it requires more light beads. But now, the beads power can achive 5 watt or higher even 10 watt, it greatly decrease the need to quantity of beads.

2. Longevity: LEDs have a much longer lifespan compared to incandescent bulbs. They can last tens of thousands of hours, reducing the frequency of bulb replacements.

3. Flexibility: LED lights can be designed with arrays of individual light-emitting diodes (LEDs) that can be controlled individually or in groups. This allows for more versatile lighting effects and color options.

4. Cooler Operation: LEDs generate less heat than incandescent bulbs, which reduces the risk of damage to the fixture and allows for safer operation.

5. Dimmability: Many LED PAR can lights are dimmable, providing precise control over the light output.

6. Color Temperature Control: LEDs can offer a wide range of color temperatures, from warm to cool white, without the need for color gels. in the past, the old type of par can lights took led beads with single color, in order to blending a proper and more colors except red, green and white, the par can should inbeded with a group of different single color beads. while now, thanks to the updated techonology, the beads are multicolor led bead, we can get the color by dimmer.

Because of these advantages, LED technology has become the preferred choice for many lighting applications, including PAR can lights. LED PAR cans often use arrays of individual LED diodes to provide a high-quality, energy-efficient, and versatile lighting solution. These individual diodes are sometimes referred to as "light beads," and they can be controlled to create various lighting effects, colors, and patterns.

So, the shift away from using traditional incandescent bulbs with a single filament to using LEDs with multiple individual light-emitting diodes is a result of advancements in lighting technology and the desire for more efficient, versatile, and longer-lasting lighting solutions.