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.

SPECTRA OF LOW-POWERED YELLOW-GREEN LEDS (2)

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.
As of 09-19-09, I no longer have the PC2000-ISA; it was sold to prevent an eviction.

YELLOW-GREEN LEDs

Spectrographic analysis of a Radio Shack # 276-0009 yellow-green LED in a rectangular, water-clear body.

Spectrographic analysis of a Stanley Electric EPY46045 yellow-green LED.

Spectrographic analysis of a Radio Shack # 276-022 yellow-green LED in a 5mm diffused body.

Spectrographic analysis of a yellow-green LED from 1974.

Spectrographic analysis of an unknown-type (labelled "3144D" on a sticker on the bag) 3mm yellow-green LED.

Spectrographic analysis of a Soviet 3L341 yellow-green LED from 1988.

Spectrographic analysis of one of the yellow-green LEDs in the Star Trek: The Next Generation Medical Scanner Stage Prop.
New software & settings were used.

Spectrographic analysis of a Power Light Systems GmbH # YG-574-520 LED.

Spectrographic analysis of a diffused yellow-green LED with stubby
body & gold colored wire leads; probably from the late-1970s.

Spectrographic analysis of a diffused yellow-green LED in a smaller-than-T1 package; probably from the 1980s.

Spectrographic analysis of a diffused yellow-green LED in a 5mm package; probably from the 1980s.

Spectrographic analysis of a Radio Shack (Archer) # 276-045 diffused yellow-green LED from the 1980s.

Spectrographic analysis of a two-chip yellow-green LED from the 1980s.

Spectrographic analysis of a Hebei Shanghai Co. # L5T34VG3C-D2-AH yellow-green LED.

Spectrographic analysis of one of the yellow-green LEDs in the Star Trek: The Next Generation Medical Scanner Stage Prop.

Spectrographic analysis of the starboard (right) wingtip LED in the Cessna 182 R/C Airplane.

Spectrographic analysis of the yellow-green LEDs in a bicycle safety flasher (with a BLUE lens).

Spectrographic analysis of a diffused yellow-green LED from the 1970s.

Spectrographic analysis of a rectangular yellow-green LED; circa. ~2000.

Spectrographic analysis of a 5mm yellow-green LED, circa. ~2003.

Spectrographic analysis of a rectangular yellow-green LED, circa. ~2000.

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@gmail.com.

Please visit this web page for contact information.

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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