LED ACADEMY>1. LED´s Basics>2. LED´s Optics>3. LED´s Thermal>
- 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
8.4 Organic LED
OLED is an abbreviation for Organic Light-Emitting Diode, device that sandwiches carbon-based films between two charged electrodes: a metallic cathode and a transparent anode (usually thin film of metal evaporated on a glass substrate).
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OLEDs are commonly shaped as thin transparent sheets made from flexibile polymer, emitting bright light when biased. OLEDs are already used as an screen in many portable electronic devices (cell phones, MP3 players, cameras, etc.). Several lighting companies are engaged in OLED research and development - including Philips, OSRAM, GE, Lumiotec, NovaLed, and others. |
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| Transparent OLEDs by Philips |
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| OLED Transparent Structure |
Leading companies and their announced OLED lighting plans |
Sony’s latest flexible OLED display prototype |
| 8.5 Quantum dot LED | ||
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