At present, LED bulbs have reached the basic requirements of application, and the price has reached an acceptable level. The same is spherical light, why do you have to toss the LED filament lamp? The industry responded: "Different quality and performance requirements, price and application site are not the same, some places are LED bulbs can not meet the application needs, this is the charm and bright future of LED filament lights." At the same time, the industry said, LED filament lamps currently have several technical indicators that are far-fetched, such as heat dissipation and light decay, which is based on the limitation of the area of ​​the LED filament lamp substrate. In order to have a long-term development of filament lamps, it is important to break through the inherent ideas of LED lighting.
Small size, heat dissipation and light decay are big problems
The industry believes that to improve the filament structure of LED filament lamps, the current LED filament lamps use the filling of inert gas to achieve the purpose of radiation heat dissipation, and there is a big gap between the actual application and the design effect. Also, since the LED filament is a chip in the form of a COB package, the use of some effective technical means to reduce heat generation or rapid thermal conduction is a guarantee of low light decay and long life of the LED filament lamp, such as optimization of the substrate shape and substrate material. Selection, thermoelectric shunt mode, etc.
Can't completely eliminate stroboscopic
Regarding the problem of stroboscopic flashing of LED filament lamps, the industry believes that LED filament lamps are small in size and small in installation space. The limited installation space is very demanding on the volume of components, so it can be used with small power and small installation space. Only high voltage linearity of the power supply product meets this requirement. Due to the "hole" effect caused by high-voltage linearity in the rapid passage of current, it is very difficult to achieve stroboscopic flash in large-scale production capacity under the premise that the compensation technology lacks fine technical means. There is absolutely no stroboscopic and there is no absolute means to solve it. Only the technical means can be used to reduce the "hole" effect and control the stroboscopic to a certain extent.
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