2014 New LED Product: Sapphire Substrate LED Filament Bulb
[Abstract] As it is all known, incandescentbulbs are prohibited by many countries because of high energy consumption, but some customers are quite pleased with the shape of filament bulb, thus LED filament bulb was invented by combining the advantages
2,050 degree temperature resistant thermal conductivity.
85% lighting transmittance. With polishing process, Sapphire Filament improving the lighting transmittance to 85%, which is much superior to other materials.
150g pressure-supporting strength. The hardness of Sapphire is only after diamond in all crystal materials thus the strength is quite great. A sapphire filament bracket of 30 (long) *0.8 (wide) *0.4 (thick) mm can support 150g pressure which largely improve the process yield rate. The size can be small because of the great strength by even reaching 30 (length) *0.6 (width)*0.4 (thickness) mm, which on other material can do.
300,000 hours life-span. Sapphire is the main material of the LED chip. Adopted sapphire substrate filament, the life-span of bulb can be largely extended because the combination of LED chip sapphire substrate filament has good physical properties. According to short plate theory, if the life-span of filament affects the life-span of the whole bulb, a 4 USD bulb will be scrapped because of 0.3 USD filament. Sapphire filament will overcome this weakness.
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