- 3.1 Introduction
- 3.2 Heat transfer introduction
- 3.3 Power conversion
- 3.4 LED performance
- 3.5 Thermal design of LED-based luminaire
- 3.6 Cooling system
- 3.7 Thermal design of passive cooling
- 4.1 Cold lumens versus hot lumens
- 4.2 Driving LEDs
- 4.3 LED connection
- 4.4 LED driver
- 4.5 LED driver additional features
- 5.1 High Efficacy
- 5.2 Controllability
- 5.3 Size
- 5.4 Directionality
- 5.5 Durability
- 5.6 Low-temperature operation
- 5.7 Instant on, frequent switching
- 5.8 No UV emissions
- 5.9 Environmental impact
- 5.10 Reliability and lifetime
- 6.1 The Right Light Application
- 6.2 Presentation and retail shop, shopping mall
- 6.3 Industry and engineering, outdoor workplaces
- 6.4 Office and communication
- 6.5 Hotel and gastro
- 6.6 Architecture, facade, city marketing and visual presentation
- 6.7 Road path and square
- 6.8 House, flat and living area
- 6.9 Emergency lighting
- 7.1 High brightness LED market
- 7.2 Lighting Efficiency Comparison
- 7.3 HB LED
- 7.4 LED luminaire cost track
- 7.5 LED retrofits versus LED luminaires
7.5 LED retrofits versus LED luminaires
LED retrofits are the first step of LED technology entering market but not the ideal step. LED luminaire adequate for general lighting has to fulfill many requirements such as:
• Optimal light distribution
• High system efficacy
• High CRI
• Various Stabilized CCTs
• Low Glaring Rates
• Dimming Possibilities
• Long Lifetime
• Durability
LED retrofits are comparable to the first car (Figure 7.5.1). You can drive it but with a lot of compromises. Better cars (adequate LED luminaires) are arriving right after - no compromises, just satisfaction.
Figure 7.5.1: Retrofit LED light bulbs are like horseless carriages. Retrofit is first stage in LED-based luminaire evolution.
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