Optimization of Helium Inflating on Heat Dissipation and Luminescence Properties of the A60 LED Filament Lamps

<div>Luminous flux changed with different helium inflating ratios in the A60 LED filament lamp.</div>

International Journal of Photoenergy

Figure 4: Optimization of Helium Inflating on Heat Dissipation and Luminescence Properties of the A60 LED Filament Lamps 