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LED aydınlatma nedir — ampul, panel, şerit ve spot çeşitleri karşılaştırma

What is LED Lighting? Comprehensive Guide 2026: Working Principle, Advantages, and Selection Guide

What is LED?

LED (Light Emitting Diode) is a semiconductor circuit component that produces light when an electric current passes through it. Unlike traditional bulbs, it produces light directly instead of generating heat. For this reason, it is much more efficient.

LED vs Other Technologies

Feature LED Halogen Fluorescent Incandescent
Lifespan 25,000-50,000 hours 2,000 hours 8,000 hours 1,000 hours
Energy saving 80-90 percent 30 percent 60 percent -
Heat generation Very little Very much Medium Very much
Contains mercury? No No Yes No
Instant light Yes Yes No Yes

Basic Concepts

Watt — Energy Consumption

LED Watt Halogen Equivalent Usage
4-6W 40W Decorative
7-9W 60W General lighting
10-12W 75W Bright general
13-15W 100W High brightness

Lumen — Amount of Light

  • 400 lm: Night light
  • 800 lm: Bedroom
  • 1,100 lm: Living room
  • 1,600 lm: Office, kitchen

Kelvin — Color Temperature

Kelvin Color Usage
2700K Warm yellow Bedroom, living room
3000K Warm white Kitchen, bathroom
4000K Natural white Office, study room
5000-6500K Cool white Garage, outdoor

CRI — Color Accuracy

  • CRI 80+: General use
  • CRI 90+: Bathroom, store, office
  • CRI 95+: Jewelry store, textile

Types of LED

Type Usage
LED bulb General lighting (E27, E14)
LED spot Accent, recessed
LED panel Office, commercial
LED strip Decorative, task
LED floodlight Outdoor

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FAQ

How long do LED bulbs last?
25,000-50,000 hours. 8-17 years with 8 hours of daily use.

Are all LEDs dimmer compatible?
No. If you plan to use a dimmer, check if the product is dimmer compatible.

Are LEDs harmful to the eyes?
Quality, flicker-free, and CRI 80+ LEDs are not harmful to the eyes.

Conclusion

  • ⚡ 80-90 percent energy saving
  • 🔦 25,000-50,000 hours lifespan
  • 🌈 Every color temperature and CRI option
  • 🛡️ Environmentally friendly, mercury-free

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