What is the main benefits of using LED lamps in interior lighting design in comparison to halogen / fluorescent lamps?

 Indoor luminaires designed to take advantage of all the benefits of lighting-class LEDs can:

Exceed the efficacy of any incandescent and halogen luminaire

Match the performance of even the best CFL (compact fluorescent) recessed downlights

Provide a lifetime five to fifty times longer than these lamps before requiring maintenance

Reduce the environmental impact of light: no mercury, less power-plant pollution, and less landfill waste.

better effecacy (more lumins generated per watt), less power consumbtion , longer lifetime, can come in many shapes and sizes, BUT its more expensive.

LED's are long lasting as compared to halogen lamps, LED's consume less power and give illuminance. LED's have a huge veriety and design for interior lighting and decor. A soothing effect on enviorenment