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LEDs - Gallium Indium Nitride UV, violet, purple, blue, aqua, turquoise, green, white. Also Gallium Arsenide and others. New LED MUSEUM! GaN, InGaN, SiC, GaAs, GaP, GaAlP, ZnSe, flashlight, flashlights.
POWER LIGHT SYSTEMS GmbH LEDs
***NOTE*** The website comes up in German, however there is a link near the top of the page that displays it in English.

This is Page 7 of the Power Light Systems GmbH LEDs section; please go here for Page 1, go here for Page 2, go here for Page 3, go here for Page 4, go here for Page 5, and go here for Page 6.



LED-eshop.de G-525-1010/B 10mm Green LED
Received 12-31-07, tested 10-18-09

I found this LED in a storage container while looking for other PLS LEDs that required spectroscopy on the newer equipment; that's why the "Received" and "Tested" dates are so far out of whack.

This is a 10mm round through-hole LED that emits a slight whitish green light - this was perfectly expected from a 525nm lamp.
The beam is rather narrow, and consists of a magnified image of the LED's die (light-emitting region), surrounded by a couple of rings. This is a perfectly normal beam from a 10mm narrow-beam non-phosphor LED however, and is nothing whatsoever to be concerned about.



Beam photograph on the test target at 12".
Intensity measures 41,500mcd on a Meterman LM631 (now Amprobe LM631A) light meter.
Vf (forward voltage) is 2.9010 volts at 19.28mA.
Viewing angle is 10.



Same as above; only the camera & LED were moved a couple of feet back so that the beam shape would be more readily visible.


Spectrographic plot
Spectrographic analysis of this LED.


ProMetric analysis
Beam cross-sectional analysis.
Image made using the ProMetric System by Radiant Imaging.




LED-eshop.de B-485-330 Turquoise Blue LED
Received 11-13-08, tested 10-18-09

Like the LED directly above, I found this LED in a storage container while looking for other PLS LEDs that required spectroscopy on the newer equipment; that's why the "Received" and "Tested" dates are so far out of whack.

This is a 3mm round through-hole LED that emits a slightly greenish blue light - it is specifically designed to be ~15nm longer in wavelength than most other GaN blue LEDs. Peak wavelength was spectrographically measured at 485.50nm - right where it ought to be.


Beam photograph on the test target at 12".
Light is not as blue as this photograph makes it appear.
Intensity measures 1,650mcd on a Meterman LM631 (now Amprobe LM631A) light meter.
Vf (forward voltage) is 3.1070 volts at 19.28mA.
Viewing angle is 30.

Spectrographic plot
Spectrographic analysis of this LED.


Spectrographic plot
Same as above; spectrometer's response band narrowed to a range of 475nm to 495nm to pinpoint peak wavelength.


ProMetric analysis
Beam cross-sectional analysis.
Image made using the ProMetric System by Radiant Imaging.













WHITE 5500-6500K InGaN+phosphor 
ULTRAVIOLET 370-390nm GaN 
BLUE 430nm GaN+SiC
BLUE 450 and 473nm InGaN
BLUE Silicon Carbide
TURQUOISE 495-505nm InGaN
GREEN 525nm InGaN 
YELLOW-GREEN 555-575mn GaAsP & related
YELLOW 585-595nm
AMBER 595-605nm
ORANGE 605-620nm
ORANGISH-RED 620-635nm
RED 640-700nm
INFRARED 700-1300nm
True RGB Full Color LED
Spider (Pirrahna) LEDs
SMD LEDs
True violet (400-418nm) LEDs
Agilent Barracuda & Prometheus LEDs
Oddball & Miscellaneous LEDs
Programmable RGB LED modules / fixtures
Where to buy these LEDs 
Links to other LED-related websites
The World's First Virtual LED Museum
The Punishment Zone - Where Flashlights Go to Die
Legal horse puckey, etc.
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