Incandescent lamp could save energy by recycling infrared light

A lighting device that reuses its infrared light to conserve energy is as efficient as some LED lights, which could contribute to fewer carbon emissions while retaining a natural glow

Light recycling tech could save incandescent bulbs from obsolescence

Energetic Lighting's 2-pack A19 Matter 8.5W 120V E26 LED smart light bulbs are perfect replacements for 60W incandescent bulbs, using 85% less energy,

60-Watt Equivalent A19 Matter Smart E26 LED Light Bulb, RGB, 27K-65K, Alexa/Google/Homekit/SmartThings (2-Pack)

5 Environmental Benefits of Switching to LED Lighting

LED vs. CFL Bulbs: Which Is More Energy-Efficient?

LED vs. CFL Bulbs: Which Is More Energy-Efficient?

How do energy-saving lamps work? - Explain that Stuff

New development could lead to more effective light bulbs - BBC News

A bulb that recycles light A bulb that recycles light

Electric light - Wikipedia