So, will the LED filament lamp replace the incandescent lamp as the first choice for home lighting?
The biggest advantage of LED filament lamp: full-circumference
LED filament is also called LED lamp post. Unlike LED light source in the past, LED filament 360° full-angle illumination, large-angle illumination and no need to add lens to realize stereo light source. Can be applied to crystal chandeliers, candle lights, bulbs, wall lamps and other LED lighting products, for occasions: five-star business hotels, high-end luxury residential and other indoor lighting.
LED filament lamp has many disadvantages: high price, difficult process, poor heat dissipation and easy damage
The problems existing in the production of LED filament lamps can not be ignored: the process is difficult, several different processes need to be integrated, and the yield is low; the LED filament lamp exceeding 8W is prone to heat dissipation; it is easy to be broken, in the process of production and use. It is easily damaged.
The cost of raw materials for LED filament lamps consists of LED filaments, drive power supplies, glass lamp post brackets, glass bulbs, and standard lamp head hardware. Among these structures, LED filaments have the highest cost. It is reported that filament cost accounts for about 60% of the cost of LED filament lamps. 65%. At present, the basic price of LED filament is between 2-3 yuan, and a whole lamp generally uses 4 filaments. Therefore, the cost of the whole lamp is about 15-20 yuan, and the ex-factory price is about 20-30 yuan.
LED filament light overseas hot
Since the Japanese manufacturer Panasonic (Panasonic) introduced a full-circumference LED bulb with a glass bulb, LED lamps with two sides on the transparent substrate have gradually attracted attention. After the introduction of the filament lamp design by Epistar, the LED manufacturer, it can achieve full-circumference effect, and the traditional tungsten lamp with similar appearance is quite antique style, which is widely accepted by European and American consumers on the market. Favored, the channel dealers are also very concerned. As a result, many mainland LED manufacturers have followed suit to follow suit, so in many LED exhibitions and related lighting exhibitions at home and abroad, almost every booth will see LED filament lights.
The development opportunity of the 2015 filament lamp: the price of the package transparent substrate
From the cost structure of the LED filament lamp, the LED chip and the transparent package substrate account for 50% of the cost. With the significant decline in the price of LED chips and transparent package substrates in the first half of 2015, the overall cost has declined. The retail price of LED filament lamps in the terminal market has already had the opportunity to press the price of the shelves for sale at a sweet spot of less than US$5, which will drive the growth of market demand. 
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