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.

This web page will be for nothing but spectra of 10mm, 8mm, 5mm, 3mm, and SMD LEDS (driven at 20mA to 60mA):

Ocean Optics USB2000 Spectrometer donated by P.L.
As of 10-10-07, I've been using a PC2000-ISA Spectrometer from Ocean Optics that I received several years ago, but that I didn't have a home for until now.
As of 03-08-08, I once again have the USB2000 spectrometer, enabling color spectra again.

BLUE LEDs

Spectrographic analysis of the "Power On" LED in my Emachines computer.

Spectrographic analysis of an ISP Korea 10mm "High Blue" LED.

Spectrographic analysis of a Hebei I.T. Shanghai Co. LTD. #314UBC 3mm blue LED.

Spectrographic analysis of a 3mm blue LED of unknown manufacture.

Spectrographic analysis of a 5mm blue LED of unknown manufacture.

Spectrographic analysis of the LED in the Blue LED Necklace.
This product drives its LED at just 2.0mA, so it is a bit deviated from the norm ("20mA to 60mA" as shown above).

Spectrographic analysis of a 3mm non-Nichia blue LED; circa. ~2004.

Spectrographic analysis of a 3mm blue LED of unknown manufacture.

Spectrographic analysis of a 5mm blue LED of unknown manufacture.

Spectrographic analysis of the blue LEDs in the Digibeat LED Wristwatch.

Spectrographic analysis of a SiC (silicon carbide) blue LED in a blue tinted diffused case; probably from the mid-1990s.

Spectrographic analysis of a 5mm flashing blue LED, circa. 2004.

Spectrographic analysis of a 5mm blue LED, non-Nichia in origin.
Date of manufacture not known, but probably circa. ~2004.

Spectrographic analysis of a 5mm blue LED of unknown pedigree; possibly a Nichia NSPB500 of fairly recent manufacture.

Spectrographic analysis of the flashing blue LEDs in the Blue LED ''Belly Button Light''.

Spectrographic analysis of the LED in the blue Putt Tracer.

Spectrographic analysis of a 5mm blue LED from DealExtreme.

Spectrographic analysis of the blue die of a 5mm RGB LED, Radio Shack # 276-0028 from 2008.

Spectrographic analysis of the LED in the Yellow R/C Helicopter.

Spectrographic analysis of a 5mm SiC (silicon carbide) blue LED, circa. ~1995.
If (forward current) was ~150mA for this test so that I could get an acceptably high reading.

Do you manufacture or sell an LED flashlight, task light, utility light, or module of some kind? Want to see it tested by a real person, under real working conditions? Do you then want to see how your light did? If you have a sample available for this type of real-world, real-time testing, please contact me at ledmuseum@worldnet.att.net or send your potential victim to:

Craig Johnson
c/o The LED Museum
490 Forastera Circle
Sacramento CA. 95834-2709
ph. Please e-mail for phone number (costs me $0.50 a minute, use only if urgent)

Unsolicited flashlights, LEDs, and other products appearing in the mail are welcome, and it will automatically be assumed that you sent it in order to have it tested and evaluated for this site.
Be sure to include contact info or your company website's URL so visitors here will know where to purchase your product.

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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