RED LEDs
Spectrographic analysis of an unknown-type early-1970s red LED.
Spectrographic analysis of the red LED in a "lighthouse" wall clock.
Spectrographic analysis of the LED (red) in the Strobe Light Ring.
Spectrographic analysis of the red "charging" LED in the charging cradle of the 473nm Rechargeable Blue Laser.
Spectrographic analysis of the red LED in the Milky Tester (which was furnished with the Milky Candle sometime after I received it).
Spectrographic analysis of a Power Light Systems GmbH LEDs (3) RH-630-330 3mm red LED; different spectrometer & software used.
Spectrographic analysis of an unknown-type red SMD LED.
Spectrographic analysis of a DHPSP "Slo-On/Off" LED Blinker.
Spectrographic analysis of the red LEDs in a Star Trek: TNG clock.
Spectrographic analysis of an unknown-type 5mm red LED.
Spectrographic analysis of a Power Light Systems GmbH LEDs (1) RH-630-1016 red LED; different spectrometer & software used.
Spectrographic analysis of an unknown-type 3mm red LED.
Spectrographic analysis of a rectangular red LED in a diffused case.
Spectrographic analysis of a Western Electric red LED; circa. ~1976.
Spectrographic analysis of a Western Electric red LED; circa. ~1976.
Spectrometer deliberately "overloaded" to show yellow-green emission.
Spectrographic analysis of a Panasonic 0402 SMD red LED; sent by D.K. in the eastern US, circa. ~2003
Spectrographic analysis of the red LED for the Moonstone LED Paving Stone.
Spectrographic analysis of the red LED in a LumaRay FL12RX Flashlight; newer spectrometer & software used.
Spectrographic analysis of a vintage GaP (gallium phosphide) LED in a heavy disc-shaped metal body; used for optical data storage before the advent of inexpensive diode lasers.
Spectrographic analysis of a vintage GaP (gallium phosphide) LED in a heavy disc-shaped metal body; used for optical data storage before the advent of inexpensive diode lasers. Spectrometer's response band narrowed.
Spectrographic analysis of the LED in the Coleman Keychain ''Lantern''.
Spectrographic analysis of the red LED in the Snap It & Blink It.
Repeat spectrographic analysis of the red LEDs in the Battery-powered LED Christmas Lights.
Spectrographic analysis of the LEDs in the Halloween Skull Keychain.
Spectrographic analysis of a nonstandard T1 red LED from R.W. in the Netherlands; circa. ~2004
Spectrographic analysis of a 1970s Motorola HEP P2000 red LED w/axial leads.
Spectrographic analysis of a 1970s Motorola HEP P2003 red LED w/axial leads.
Spectrographic analysis of a 1970s Motorola HEP P2004 red LED w/axial leads; diffused lens.
Spectrographic analysis of a 1970s red LED in nonstandard case style with "chimmney".
Spectrographic analysis of a 1970s T½ red LED with axial leads.
Spectrographic analysis of a 1970s "pin" type red LED.
Spectrographic analysis of a 1970s 5mm red LED with ring-type ohmic contact.
Spectrographic analysis of the red LEDs in the Galileo Thermometer.
Spectrographic analysis of a SMD red LED.
Spectrographic analysis of the red reverse polarity indicator in an Osram Golden Dragon white LED.
Spectrographic analysis of the red "disco light" LEDs in the Laser Pointer/Flashlight/Disco Light.
Spectrographic analysis of a 10mm red LED with square sides.
Spectrographic analysis of an LCK red LED.
Spectrographic analysis of the LEDs in the Sentina LED Nightlight / Power Failure Light / Motion Detector Light, red "charge" LED.
Spectrographic analysis of the American Technical Services LED Modules red LED module;newer spectrometer & software used.
Spectrographic analysis of a vintage (or even antique) lensless GaP (gallium phosphide) red LED in a metal body; possibly from the late-1960s to early-1970s.
Spectrographic analysis of an antique lensless red LED in a metal body from ~1970.
Spectrographic analysis of a Monsanto MV-2 red LED from the late-1960s.
Newer spectrometer software & settings used.
Spectrographic analysis of the red LEDs in the message scroller wand of the LED Messaging Clock.
Spectrographic analysis of an Archer # 276-065 10mm diffused red LED.
Spectrographic analysis of the LEDs in the Solar Light;newer spectrometer software & settings used.
Spectrographic analysis of the "Charge" LED in the remote control for the Piloto R/C Stunt Plane; spectrometer's response at the NIR end extended to 820nm to show the LED's NIR emission.
Spectrographic analysis of the red LED in the Cigerette Lighter/Flashlight; newer spectrometer software & settings used.
Spectrographic analysis of the LEDs in the Star Trek: TNG Type 1 Phaser Mouse.
Spectrographic analysis of the red LED in the Tireflys Ultra Brite Whistle Lite.
Spectrographic analysis of the LED (red) in the Rubik's Revolution.
Spectrographic analysis of the LED in the Valentine Flashing Pen.
Spectrographic analysis of the LED in the LED-Lighted Pen.
Spectrographic analysis of the LED in the Star Trek Type II Phaser Replica.
Spectrographic analysis of the LED (light stick mode) in the Life+Gear Glow Red Lightstick.
Spectrographic analysis of the red LED in the remote control for the P-38 Lightning R/C "Park Flyer" Airplane.
Spectrographic analysis of the LED (red) in the remote control for the Air Kite Glider.
Spectrographic analysis of the LED (red, lower left) in the remote control for the Air Kite Glider.
Spectrographic analysis of the red LEDs in the GForce Power LED Calendar Clock; new spectrometer software settings used.
Spectrographic analysis of the red LED in the remote control of the Estes Flightmaster R/C Airplane.
Spectrographic analysis of the red LED in the remote control of the Air Hogs Dominator R/C Airplane.
Spectrographic analysis of the red LED in the Star Trek: The Next Generation Medical Scanner Stage Prop; newer spectrometer software setting used.
Spectrographic analysis of a Radio Shack # 276-0312 blinking red LED.
Spectrographic analysis of the orangish-red LED in an optical computer mouse.
Spectrographic analysis of the LEDs (red) in the 4th of July Flashing Bouncy Ball.
Spectrographic analysis of the red LEDs in the Rainbow Big-Digit LED Alarm Clock.
Spectrographic analysis of the red LED in the LRI Proton; new software & settings used.
Spectrographic analysis of a Radio Shack # 276-0307 5mm red LED.
Spectrographic analysis of the LEDs in the EF-12K Electronic Flare Kit.
Spectrographic analysis of the LEDs (red) in the Photon Freedom Fusion.
Spectrographic analysis of a Radio Shack # 276-0086 10mm Red LED.
Spectrographic analysis of a red LED bicycle flasher.
Spectrographic anaysis of a vintage Stanley Electric T1/2 axial lead red LED.
Spectrographic anaysis of a vintage GaP (gallium phosphide) 5mm red LED.
Drive current 68.55mA.
Spectrographic anaysis of a vintage GaP (gallium phosphide) 5mm red LED.
Drive current 19.28mA.
Spectrographic anaysis of a vintage GaP (gallium phosphide) 5mm red LED.
Drive current 1.80mA.
Spectrographic anaysis of a vintage Panasonic LN2 GaP (gallium phosphide) red LED.
Spectrographic analysis of the red LEDs in the SureFire K2 Kroma Flashlight.
Spectrographic analysis of a Radio Shack # 276-0015 10mm red LED.
Spectrographic analysis of the red LEDs in the LED ''SIGNS'' Sign.
Spectrographic analysis of the red LED in the FlashFlight™ SpotLit™.
Spectrographic analysis of an unknown-type 5mm red LED.
Spectrographic analysis of the red LED in the FlashFlight™ DropLit™.
Spectrographic analysis of the flashing red LEDs in the VestLED
Spectrographic analysis of the red LED in a cordless optical mouse.
Spectrographic analysis of a Radio Shack # 276-0307 Red LED.
Spectrographic analysis of a Radio Shack # 276-312 Blinking Red LED.
Spectrographic analysis of a Radio Shack # 276-0020 Red High-Flux ("Spider") LED.
Spectrographic analysis of a diffused 3mm red LED from the Radio Shack # 276-1622 "20 Pack".
Spectrographic analysis of a disc-shaped LED; precursor to diode lasers for CDs, etc.
Spectrographic analysis of a diffused 5mm red LED from the Radio Shack # 276-1622 "20 Pack".
Spectrographic analysis of the red LED in a computer case accessory.
Spectrographic analysis of a Radio Shack # 276-0008 Wide-Angle Rectangular Red LED.
Spectrographic analysis of a Radio Shack # 276-0309 Wide-Angle Red LED.
Spectrographic analysis of the red LEDs in the Inova 24/7; newer spectrometer software & settings used.
Spectrographic analysis of the LEDs in the Megalaser LED Wristwatch.
Spectrographic analysis of the LEDs in the Mark-Lite Fire Fly.
Spectrographic analysis of the red LED in the R2D2™ Astromech Interactive Droid.