Delight LED Lights
Delight LED Lights | Delight LED Light - Quality
Delight, LED ,Light , Quality
page,page-id-6777,page-template,page-template-full_width,page-template-full_width-php,ajax_fade,page_not_loaded,smooth_scroll,,qode-theme-ver-2.9,wpb-js-composer js-comp-ver-4.7.4,vc_responsive



The advantages of switching to LED are numerous. Here are just some of the benefits: LEDs use much less electricity than other bulbs, have extremely long rated lives, produce very little heat, do not emit UV or infrared, contain no mercury, are resistant to shock and vibration, and can operate effectively in extremely cold environments. For more information the advantages of LED, see below:

If you buy quality product, the light quality is excellent. Color Rendering Index (CRI) is generally used to measure light quality on a scale from 1-100. Most LEDs have a CRI rating of at least 80, and many are rated 90 and above.

Read More

Technical Information - FAQ

LED History

A light-emitting diode (LED) is a two-leadsemiconductorlight source. It is a p–n junctiondiode, which emits light when activated. When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons.

Working principle

A P-N junction can convert absorbed light energy into a proportional electric current. The same process is reversed here (i.e. the P-N junction emits light when electrical energy is applied to it). This phenomenon is generally called electroluminescence,


I-V diagram for a diode. An LED will begin to emit light when more than 2 or 3 volts is applied to it.


The LED consists of a chip of semiconducting material doped with impurities to create a p-n junction. As in other diodes, current flows easily from the p-side, or anode, to the n-side, or cathode, but not in the reverse direction.


LED technology is growing by leaps and bounds. Extensive research has made it possible to use LEDs in all walks of life. From cars to space crafts, from mobiles to display monitors, from home lights to industrial lights, LEDs have made their presence everywhere.

Future : OLED Lighting

Organic Light Emitting Diodes (OLEDs) represent another emerging technology. If it can be made practical, it may make even more of a dramatic impact on how an area is illuminated as compared to HPLEDs. In the near future OLEDs may replace LEDs as an energy-efficient alternative for general lighting.


Automotive Applications with LEDs: Instrument Panels & Switches, Courtesy Lighting, Rear Stop/Turn/Tail, Retrofits, New Turn / Tail / Marker Lights, etc.

Advantages of LEDs

It is a well known fact that day-to-day consumption of electricity is contributing to greenhouse gas emissions into the atmosphere, which affects the health of mother earth as well as mankind.

Efficiency or efficacy?

The term efficacy normally is used where the input and output units differ. For example in lighting, we are concerned with the amount of light (in lumens) produced by a certain amount of electricity (in watts).

Lumen Depreciation

All types of electric light sources experience lumen depreciation, defined as the decrease in lumen output that occurs as a lamp is operated.

Measuring Light Source Life

We've all heard the small pop as an incandescent lamp fails. It's the sound of the tungsten filament finally breaking as the electric current hits it. This makes it easy to recognize the end of life for an incandescent light source.

What Determines Junction Temprature?

To provide an appropriate measure of useful life of an LED, a level of acceptable lumen depreciation must be chosen.


Automotive Applications with LEDs: Instrument Panels & Switches, Courtesy Lighting, Rear Stop/Turn/Tail, Retrofits, New Turn / Tail / Marker Lights, etc.

Some Commonly Used Terminologies

Candela: A unit of measurement of the intensity of light. Another way of putting it is that an ordinary wax candle generates approximately one candela.