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What is an LED bulb?
Technically, an LED is not a light bulb – an LED, short for “light emitting diode,” is a tiny semiconductor (diode) encased in plastic to protect the elements and focus the light. According to, a diode is "A bipolar semiconductor device generally only allows current to flow in one direction." Current enters the anode (+) and flows out of the cathode (-). LEDs don't even have a wire like a light bulb.

How are LEDs different from incandescent bulbs?
When we talk about “conventional light bulbs,” we are referring to incandescent bulbs, a type that has emerged since Thomas Edison patented his invention in 1879. These bulbs have filaments that glow, producing both heat and light when energized. Flow through. LEDs, on the other hand, have electrons that flow to create photons - the light that we can see. Photons generate almost no heat, LEDs also require much less energy to produce the same brightness as incandescent bulbs and last much longer.

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one-story house

8,900 baht

half floor house

16,500 baht

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two storey house

15,000 baht

one-story house

Is the LED energy efficient?
LEDs use less energy than incandescent bulbs because diode light is more efficient and energy efficient than incandescent bulbs.

LED bulbs use more than 75% less energy than incandescent bulbs. At low power levels, the difference is even greater. Bright LED bulbs use only 11 to 12 watts, while providing the equivalent of a 50 watt incandescent bulb.

Can I save money with LED lights?
Most people now understand that LEDs are energy-saving. But might still be reluctant to pay the higher price for an LED, but it's worth it.

Here's a simple calculation to compare the efficiency and savings of different bulbs.

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The simple truth is that LED bulbs

Uses 75% less energy than incandescent bulbs.




Written by: Mr. Hanny Chandra Pratama

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