LED panel light in light bead can be helpful

do LED panel lights, changing lamp bead can be helpful? Or is to improve the light efficiency, what parameters need to improve?

1 reduce use current has linear ascending to the lamp bead light efficiency, power and the corresponding will decline.

if the original poster is used currently is 0. 2 w lamp bead, replace the bigger chip encapsulation of 0. 5 w lamp bead, light efficiency will increase many. Costs will increase.

the original poster wants to calculate their own design of panel lights work, need to understand the current, the electric shed light pearl effect, as well as the loss of the parts. If

0. 5 w is not high enough, worry about power down, you can also use the double lamp bead chip packaging. The design of the high photosynthetic efficiency, high photosynthetic efficiency cost would be higher and higher, not necessarily is proportional to the.

2 except for high photosynthetic efficiency lamp bead, reduce the drive current lamp bead, also may improve the luminous efficiency of the whole!

3 three aspects to consider:

( 1) Lamp bead, upstairs have demonstrated more clearly, use high-power lamp bead, reduce the current to use can increase the light efficiency, but at the same time the cost will increase accordingly;

( 2) Power supply, how much is your test under the existing power efficiency, the same parameters, using 85% efficiency of power supply and power supply, the efficiency of 90% natural lighting is the latter is higher;

( 3) Structural material, there are two pieces, one is your yakeli the light transmittance of light guide plate, the second is your glance back the reflectivity of paper; Here can improve the practical operation of the space is not large, because the panel light suite is match the manufacturer, so the basic can be ruled out.

summary: or do something on the lamp bead and power supply.

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