First, the optical design
LED light source is a point light with high efficiency, and this concentrated light source has quite a few problems in the traditional applications. For example, if it is used as the table lamp or high bay LED lighting, the light type is nonuniform, even if the LED is equipped with wide color control flexibility, the energy efficiency performance is quite good, but the perception will affect the use of domestic lighting applications. The point light source must produce approximate performance of traditional lamps light through the optical lens or institutional design (lens, light guide material), which will increase lamp cost, is difficult to break the physical properties of the optics in a compact configuration design.
Second, the thermal design
Similarly, the china led light assembly is the limit of a point source, and the temperature of the components in light-emitting excessive is concentrated in a single point, if the heat is not dealt with effectively, which would have led components burn, or even shorten the life. Besides to strengthen the design for heat dissipation of the components, how to improve the handling capacity of the junction temperature control through the chip the goldsmith line or carrier board design techniques and this becomes the technology gap related to the lighting design.
Third, the drive control circuit design
In the practical applications, LED driver still need a lot of light-emitting electronic circuit auxiliary, in order to achieve high efficiency purposes, but for general incandescent dimming design, if we want achieve in the new LED light source, which must be through DC electrical control power to make the supply adjustment, when taking the energy consumption into account, which will make the drive electronics circuit complexity significantly improve on the design is to take a large number of independent components resulting in a system of discrete design issues, so that the overall savings electricity hand, the correlation circuit is consumed. Existing component manufacturers are taking a single-chip adjustable light control IC design, so the lighting industry do not have to re-develop the different lamps with the circuit, and the use of off-the-shelf solutions can achieve both contrast the old-fashioned experience of the operation of the light source, and can also reach more high-performance energy efficiency.
Fourth, the power conversion circuit design
LEDs generally take DC direct drive, while AC flexibility and advantages in practical applications in the LED application, and therefore it is also the development trend of the LED light source. The power sources in the general life are AC power, if make LED light source popular in the life applications quickly, the development of AC LED product design is the application key for the rapid growing of related applications.
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