resonant cavity light emitting diodes
Origin of power fluctuations in GaN resonant cavity light emitting diodes
... Abstract: Resonant-cavity light-emitting diodes (RCLEDs) with multiple InGaN/GaN quantum wells have been grown on sapphire substrates. The emission was through the substrate, and the ...
6
Electroluminescence enhancement in mid infrared InAsSb resonant cavity light emitting diodes for CO 2 detection
... involves the use of a resonant cavity to enhance the light emission. This has been achieved at shorter wavelengths by locating the active region inside a Fabry–Perot micro-cavity consisting of ...
14
Enhanced light emission from top emitting organic light emitting diodes by optimizing surface plasmon polariton losses
... Several studies have successfully implemented low refrac- tive index materials such as PEDOT:PSS into OLEDs. These works focused on the use of low refractive index materials or PEDOT:PSS as electrode [27–29], hole ...
10
COMPARISON OF A NEW HOST MATERIAL FOR ORGANIC LIGHT EMITTING DIODES
... organic light emitting diode technology came into existence by the work of Eastman Kodak in the 1980s ...Organic light-emitting diode (OLED) consists of an electroluminescent layer which is a ...
6
WATER DISINFECTION USING ULTRAVIOLET-A AND VISIBLE LIGHT-EMITTING DIODES
... visible light when an electric current passes through it. LEDs can emit light within a very narrow wavelength spectrum and can be considered as a monochromatic ...visible light sources which are not ...
8
Emerging Transparent Conducting Electrodes for Organic Light Emitting Diodes
... Organic light emitting diodes (OLEDs) have attracted much attention in recent years as next generation lighting and displays, due to their many advantages, including superb performance, mechanical ...
15
Enhanced performance of nitride based ultraviolet vertical injection light emitting diodes by non insulation current blocking layer and textured surface
... Figure 6 illustrates the light-current-voltage (L-I-V) char- acteristics of these UV-VLEDs. With an injection current of 350 mA, the forward voltages were about 3.3 ~ 3.6 V for these UV-VLEDs. However, the forward ...
8
AlGaInP light emitting diodes with SACNTs as current spreading layer
... 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 ...
5
Substrate Free InGaN/GaN Nanowire Light Emitting Diodes
... 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, ...the ...
6
Multispectral time-of-flight imaging using light-emitting diodes
... each wavelength given a specific time lag. The SPAD camera recovers TCSPC histograms for every pixel in the array, from which the amount of light received from each wavelength can be determined by the ...
15
Fabrication and characterization of organic light emitting diodes for display applications
... Inorganic light emitting diodes are an important background technology to this ...non-coherent light sources that are capable of producing continuous and efficient illumination from a simple ...
77
Light emitting diodes enhanced by localized surface plasmon resonance
... by light often agree well; for example, simulation results from nanos- caled antennae which can effectively enhance light emission have been reported ...
12
Synthesis And Characterization of Zno-Nanorods By Sol-Gel Method For White Led Phosphors
... We have well chemically synthesized the ZnO nanorods via sol-gel method showing broad luminescence in the visible wavelength range. Their lengths and diameters were 1um and 100nm respectively. X-ray diffraction results ...
7
ABSTRACT : Haemoglobin is the most important parameter in blood cells of human body. Haemoglobin is the protein
... The invasive method requires painful needle stick to draw a blood sample. Then it is sent to alaboratory for analysis, with results reported back to the physician later, potentially resulting in diagnosis and ...
5
Light Emitting Diodes as Alternative Light Sources: Effects of Ultraviolet Frequencies on Microbial Replication
... as light sources, that have a broad spectral emission, on the contrary Light Emitting Diodes have specific ...of light at different wavelengths on microorganism’s replication in dif- ...
5
Tailoring Light Emission of AlGaN Deep UV Emitters.
... the light extraction efficiency in III-nitride based LEDs emitting in the visible include the use of a thick window layer for light extraction from the side of the film,[12] flip-chip design,[48] ...
163
The Reflected-Shifted-Truncated-Gamma Distribution for Negatively Skewed Survival Data with Application to Pediatric Nephrotic Syndrome
... The III-nitride-based DUV-LEDs have also been used in defense applications, such as non-line-of-sight (NLOS) communication and bio-agent detection. NLOS communication utilizes the spectrum with wavelengths shorter than ...
112
A Review On Data Transmission Through Illumination
... using light illumination by using light emitting diodes where radio frequency is media in Wi-Fi and LED bulb light intensity is faster than human eye can ...LED light bulb would ...
7
Synthesis and Characterization of Zno - Nanorods by Sol-Gel Method for White LED Phosphors
... Light emitting diodes have attracted a lot of attention in recent times as potential candidates for new generation illumination in present days; light emitting diodes (LEDs) have ...
7
Controlling the emission efficiency of blue green iridium(III) phosphorescent emitters and applications in solution processed organic light emitting diodes
... mCP were selected because they are wide band gap materials with high triplet energies and together can transport both electron and hole well. A 60 nm electron-‐transporting layer 4,6-‐bis(3,5-‐ ...
31