![Light It Blue Light Bulb to Honor Healthcare Professionals and First Responders | Blue Light Color | LED 60W Equal A19 E26 Base | Pack of 2 Bulbs - Amazon.com Light It Blue Light Bulb to Honor Healthcare Professionals and First Responders | Blue Light Color | LED 60W Equal A19 E26 Base | Pack of 2 Bulbs - Amazon.com](https://m.media-amazon.com/images/I/618a2DoadHL.jpg)
Light It Blue Light Bulb to Honor Healthcare Professionals and First Responders | Blue Light Color | LED 60W Equal A19 E26 Base | Pack of 2 Bulbs - Amazon.com
Peerless Electronics Inc. - In October 1962, the first light-emitting diode (LED) was invented by scientist and employee of General Electric, Nick Holonyak by the working principle of Electroluminescence. EL (electroluminescence) is
![Cree LED bulb is the first consumer lighting product from Cree | Reef Builders | The Reef and Saltwater Aquarium Blog Cree LED bulb is the first consumer lighting product from Cree | Reef Builders | The Reef and Saltwater Aquarium Blog](https://reefbuilders.com/wp-content/blogs.dir/1/files/2013/03/CreeLEDbulb.jpg)
Cree LED bulb is the first consumer lighting product from Cree | Reef Builders | The Reef and Saltwater Aquarium Blog
![Reputation First LED Filament Bulb C35 Candle Shaped E14 E27 - China Filament Bulb, LED Lighting | Made-in-China.com Reputation First LED Filament Bulb C35 Candle Shaped E14 E27 - China Filament Bulb, LED Lighting | Made-in-China.com](https://image.made-in-china.com/202f0j00HqgipjrdZPle/Reputation-First-LED-Filament-Bulb-C35-Candle-Shaped-E14-E27.jpg)