[PDF] Top 20 Light-Emitting Diodes in the Solid-State Lighting Systems

... blue light from semiconductors in the early 1990s. Red and green emitting diodes had been already produced and used from several years, but without a blue emitting diode, the white ... See full document

... white light emitting materials. Solid state lighting have a very bright future in various lighting applications because of their high energy efficiency and cost effectiveness ... See full document

... incandescent light sources have propelled the com- mercialization of solid-state lighting devices containing semiconductors as the light emitters ...of solid-state ... See full document

... Like an LED, an OLED is a solid-state semiconductor device that is 100 to 500 nanometers thick or about 200 times smaller than a human hair. OLEDs can have either two layers or three layers of organic ... See full document

... top- emitting OLEDs that results from the strong microcavity is that certain wavelength regions within the visible spectrum are suppressed while others are ...most solid-state lighting ... See full document

... halophosphate phosphors because it is slightly near to the edge of the CIE diagram. Hence, such material may be an efficient photoluminescent material for solid-state lighting phosphors as a red ... See full document

... based light- emitting diodes (LED) have been gradually adopted as solid lighting sources ...the light extraction efficiency of light-emitting diodes, and the ... See full document

... LED lighting system without either Hg or deep-UV radiation. Solid-state lighting will contribute to the reduction of greenhouse gases by reducing the amount of energy spent on artificial ... See full document

... low light or inclement ...Visions Systems (EFVS)[1] which use an InSb based forward looking infrared (FLIR) camera to project an image of the environment as seen in the infrared (IR) into the ...IR ... See full document

... white light emitting materials. Solid state lighting have a very bright future in various lighting applications because of their high energy efficiency and cost effectiveness ... See full document

... Single-layer solid-state light-emitting electrochemical cells (LEECs) have received much recent attention for their potential to address these negative features of ... See full document

... white light emitting diode (LED) had drawn increasing interest in the past few years for its potential applications in solid state lighting ...illuminations systems (Ma et ...on ... See full document

... In conclusion, the UV-VLEDs were demonstrated and investigated - including the significance of the existence of n-CBL and discussion on the influence from extents of textured surface. The n-CBL influence is mentioned in ... See full document

... green brick, blue brick, purple brick, the horse and the saddle, respectively. For comparison, the spectra of each of the bricks was also measured using a commercial spectrometer (Avantes Avaspec-2048L) and halogen ... See full document

... UV light in the shorter range (especially 254 nm), is only considered as good disinfectant ...C light have harmful effects on ...UV-A light using LEDs will be useful for sustainable development of ... See full document

... Graphene has high mobility and high optical transmit- tance [9]. However, large work function of graphene caused the large turn-on voltage with inefficient current spreading, which resulted in light emission ... See full document

... Nitride light-emitting diodes (LEDs) have found numer- ous applications in our everyday life (general lighting, automotive headlamps, traffic signals, indicator lamps for electronic devices, ... See full document

... organic light emitting diodes involves charge injection from electrodes, transport of charge carriers, recombination of holes and electrons to generate electronically excited states called excitons, ... See full document

... O'Donnell K P, Tobin M J, Bayliss S C, Van der Stricht W. 1999. Confocal microscopy and spectroscopy of InGaN epilayers on sapphire. J. of microscopy 193: 105-108 Ozden I, Diagne M, Nurmikko A V, Han J, Takeuchi T. 2001. ... See full document

... Horizontal tube PBRs, also described as a tubular reactor, has the largest surface to volume ratio, which is beneficial to maximize exposure of the microalgae to light. Horizontal tube PBRs are basically ... See full document