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Total luminaries luminous efficiency and lamp beads luminous efficiency

People usually confuse the total luminaries luminous efficiency and lamp beads luminous efficiency. We can roughly think the relationship between them: Total luminaries luminous efficiency=lamp beads luminous efficiency in the application environment-driver conversion efficiency –structure optical conversion efficiency.

In this relationship formula, we can see that total luminaries luminous efficiency should be less than lamp beads luminous efficiency, except the effect brought by the driver conversion efficiency mentioned above, there is also a problem often overlooked, that is the influence of lamp structure. Lamp structure influence is not only the influence of diffusion plate, especially for a side emitting type of lamp, its optical conversion efficiency is very low. It can be a bottleneck of side-emitting type of lamp. Therefore, if we say total luminaries luminous efficiency, you should deduct driver conversion efficiency and lamp structure conversion efficiency.

Efficiency is a relative complex concept in LED lighting. At the same time, we also need to point out that efficiency is not unchangeable; it can change with the work environment. For example, work temperature will make efficiency change. Therefore, when we talk about LED efficiency, not only we should point out which efficiency, but also efficiency in what temperature. Lisun LPCE-2(LMS-9000A) Spectroradiometer & Integrating Sphere system is for total luminaries luminous efficiency.

Lisun LPCE-2(LMS-9000A) Spectroradiometer & Integrating Sphere system is widely applied to Luminaries manufacturing enterprise and lab, such as Sharp Electronics in Memphis TN(USA), CS TECH MEXICO, S.A. DE C.V. (Mexico), DORADO Praha s.r.o. (Czech) etc. The reason why Lisun can win some many customers is because we always practice the motto of right products, right price and right service. Lisun will continue feedback good quality products and superior service in the feature.

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