АЛ360Б (AL360B) - Fluorescent Green Album by Q-DF Archives. 1 - 5 of 5 Total.
enlarge 328KB, 461x640 1 NIIPP АЛ360Б (AL360B) - Fluorescent Green LED Wavelength 555 nm Peak 559 nm Dominant
The first LED sources emitted infrared radiation, and it took many years of research before it was possible to create a semiconductor junction emitting visible light. At first it was only possible to generate red light, using Gallium Arsenide or Gallium Arsenide Phosphide. Yellow sources followed next. Based on silicon carbide, their output was pitifully low.
Shorter wavelengths proved especially difficult to achieve, and after years of failure scientists switched to another approach employing the use of so-called Anti-Stokes phosphors. These are combined with a high power silicon-doped gallium arsenide infrared-emitting diode, whose radiation is up-converted to visible wavelengths by a coating of the phosphor directly on the surface of the die.
The first commercial Anti-Stokes LED is believed to have been the SSL-3, introduced by General Electric around 1968. That employed a single phosphor, believed to be LaF3:Yb,Er with a b...
enlarge 63KB, 640x426 2 LED Soviet AL360B Manufacturer: НИИПП (NIIPP) Lamp Voltage: <1.70 Volts
Lamp Current: 10 mA Nominal 20 mA Max. (80 mA Pulsed)
Lamp Power: 17 mW Nominal 34 mW Max.
Cap Type: Metal Wires Ø 0.0175" x 0.1" Pitch
Bulb Type: TO-5 transistor
Bulb Finish: Clear Glass
Die Chemistry: GaAs
Luminous Flux:
Luminous Efficacy:
Peak Intensity: 0.6 cd/m2
Beam Distribution: approx 10 degrees to half-peak
Wavelength: 555 nm Peak 559 nm Dominant
Colour Temperature & CRI: CCT: 5200K CRI: Ra 30
Chromaticity Co-ordinates: CCx: 0.351 CCy: 0.547
Rated Lifetime:
Burning Position: Universal
Overall Length:
Light Centre Length:
Factory: Tomsk Russia
Date of Manufacture: December 1993
Original / Present Value: 10 Roubles (2014) GB £0.127 (2014)
enlarge 62KB, 640x426 3 LED Soviet AL360B die
enlarge 65KB, 640x426 4 LED Soviet AL360B face lit "If the emitted photon has more energy, the energy difference is called an anti-Stokes shift;[5] this extra energy comes from dissipation of thermal phonons in a crystal lattice, cooling the crystal in the process. Yttrium oxysulfide doped with gadolinium oxysulfide is a common industrial anti-Stokes pigment, absorbing in the near-infrared and emitting in the visible region of the spectrum. Photon upconversion is another anti-Stokes process. An example of this later process is demonstrated by upconverting nanoparticles."
enlarge 38KB, 640x477 5 SPD LED Soviet AL360B NIIPP АЛ360Б (AL360B) - Fluorescent Green LED - http://www.lamptech.co.uk/Spec%20Sheets/LED%20NIIPP%20AL360B.htm
