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Human Vision Inspection and Microscope Applications Human Vision Inspection and Microscope Applications

Human Vision Inspection and Microscope Applications

Technical Guide

As an expert in the field, CCS is continuously exploring the potentials of LED lighting.

What is an LED?

LEDs (short for light-emitting diodes) are light sources that emit light when electric current is passed through a semiconductor. The size of an LED is generally approx. 3 to 5 mm

LED Lighting

The main characteristics of LED light are described below.
CCS strives to manufacture LED Lighting that takes full advantage of the features of LEDs.

  • Flexibility
    LED Lighting consists of a collection of individual LEDs. This means that the shape of LED Lighting is much less restricted in comparison with other types of lighting. It also allows the required light to be focus on the required area.
  • Energy Conservation
    Power consumption is drastically reduced by using LED Lighting.
  • Long Service Life
    Depending on the operating environment, LEDs will continue to light for tens of thousands of hours.
  • Low Heat Generation
    LED Lighting radiates essentially no heat rays, so workpieces are free from damage by radiated heat.
  • No Flicker
    LED Lighting uses DC power, so it does not flicker like normal fluorescent lamps.

LED Color

Blue, green, yellow, amber, red...
The color of an LED depends on the combination of compounds used in it.
Various LEDs have been developed not only in the visible light range (i.e., light that is detectable by human eyes), but also in the ultraviolet or infrared ranges.

Service Life of LEDs

An LED generates light using a semiconductor, and thus it is said that LEDs are semi-permanent.
In practice, their service life depends on the application method and environment.

Heat Radiation from LEDs

LEDs that produce light in the visible range radiate essentially no infrared rays. They therefore do not radiate heat in the same direction as the light is radiated. The object being illuminated is free from damage by radiated heat.

The object might be damaged if the radiated light contained many heat waves.

Flickering of LEDs

Working in an environment where a light is flickering places a load on your eyes.

Light Emitting Diode is turned on by direct current.
That is, since a lighting state continues because fixed current flows, it does not flicker.

A normal fluorescent lamp lights using alternating current (50 or 60 Hz). The repeated electric discharge of the AC power supply frequency causes the light intensity to change.
Especially at low ambient temperatures or toward the end of the service life, a fluorescent lamp flickers slowly enough that it is obvious to the human eye.