3 mm Blue LED Diffused Light Emitting Diode from jolliFactory on Tindie
Thorlabs - LIU470A 470 nm Blue LED Array Light Source (Power Supply Not Included)
Amazon.com: 50ft 360 LED Waterproof Rope Lights,110V Connectable Indoor Outdoor Blue Rope Lights for Deck, Patio, Pool, Camping, Bedroom Decor, Landscape Lighting and More (Blue) : Home & Kitchen
50pcs/lot 3MM Cyan Green Color Round Head Borderless Ice Blue LED Light Emitting Diode Light
Illuminated On/Off Pushbutton Switch LED - 12V Latching
5 M Plastic Blue LED Strip Lights, Plug-in, 12 V
100pcs X Super Bright blue 5mm Flat Top Led 5mm flat blue light 2pin - Amazon.com
Westek Indoor/Outdoor 13.1 ft. Neon LED Blue Rope Light Kit NEONBL4M - The Home Depot
LED - Super Bright Blue - COM-00529 - SparkFun Electronics
Alpena DashLitz Blue Interior LED Accent Pods, 12V, Model 77701, Universal Fit for Vehicles - Walmart.com
Westek Indoor/Outdoor 13.1 ft. Neon LED Blue Rope Light Kit NEONBL4M - The Home Depot
Bright Idea: How Blue LEDs Changed the World | Live Science
16W 230pcs Blue LED Grow Light Panel + 100V-240V 50-60Hz AC Adaptor - Greenergystar
Reducing blue light with a new type of LED that won't keep you up all night | NSF - National Science Foundation
Ledpoint S.r.l. | Blue LED strip 5m 60leds/m 2835 12V 14,4W/m
9.8FT Car Interior Atmosphere Wire Auto Strip Light LED Decor Lamp Accessories | eBay
Beware the Blue Light | 2013-06-24 | Assembly Magazine | ASSEMBLY
nOOds - Flexible LED Filament - 3V 300mm long - Blue : ID 5508 : $7.50 : Adafruit Industries, Unique & fun DIY electronics and kits
uxcell 10pcs Prewired 0805 Blue Surface Mounted Devices LED Light Emitting Diode - DC 6-18V Micro Wired Soldered Mini LED Lights with Resistor - Amazon.com
How Blue LEDs Changed the World - YouTube
Sapphire Blue Waterproof LED Flex Strips | LED Tape Lights - Low power consumption, infinite uses. Blue LEDs - Beautiful LED Sapphire Blue Color! Most popular color offered.
How Blue LEDs Work, and Why They Deserve the Physics Nobel | NOVA | PBS