LED for Lighting ApplicationsJohn Wiley & Sons, 2010年1月5日 - 288 頁 Light Emitting Diodes (LEDs) are no longer confined to use in commercial signage and have now moved firmly, and with unquestioned advantages, into the field of commercial and domestic lighting. This development was prompted in the late 1980s by the invention of the blue LED, a wavelength that had previously been missing from the available LED spectrum and which opened the way to providing white light. Since that point, LED performance (including energy efficiency) has improved dramatically, and now compares with the performance of fluorescent lights - and there remain further performance improvements yet to be delivered. The book begins with the principles of LED lighting, then focuses on issues and challenges. Chapters are devoted to key steps in LED manufacturing: substrate, epitaxy, process and packaging. Photoelectric characterization of LEDs, Lighting with LEDs and the imposition of a certain level of color quality, are the subject of later chapters, and finally there is a detailed discussion of the emergence of OLEDs, or organic LEDs, which have specific capabilities of immediate interest and importance in this field. |
內容
Chapter 1 LightEmitting Diodes Principles and Challenges | 1 |
Chapter 2 Substrates for IIINitridebased Electroluminescent Diodes | 29 |
Chapter 3 IIINitride HighBrightness LightEmitting Diodes | 75 |
Chapter 4 Diode Processing | 99 |
Chapter 5 Packaging | 123 |
Chapter 6 Photoelectric Characterization of Electroluminescent Photodiodes | 165 |
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achieved alloy Applied Physics Letters blue LEDs carrier CEA-LETI chromatic coalescence color plate section color rendering color temperature components configuration crystal depends deposition devices diagram dislocation density doping electroluminescent electron emission emitting diode encapsulant energy epitaxial etching fabrication Figure flip chip fluorescent function GaN layer growth of GaN heat dissipation High Brightness HVPE illuminance InGaN InGaN/GaN injection interconnection interface junction temperature lamp laser lattice LED chip lens light extraction light sources light-emitting diodes lighting systems lm/W luminous efficiency luminous flux material measurement metallic metalorganic method mismatch molecules motherboard MOVPE nitride obtained ohmic contact OLED optical organic organic semiconductors p-n junction p-type packaging parameters phosphor photometric photons polarization polymer quantum efficiency radiation reflectance refractive index samples sapphire semiconductors silicon solder spectral spectrum structure substrate surface technique thermal conductivity thermal resistance thickness vertical visual voltage wavelength white LEDs white light