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Analysis of the structure of LED panel lamp
Jan 01, 2018

At present, led panel lights in the application of indoor lighting more and more widely, whether it is a hotel, meeting rooms, factories or offices, commercial uses, residential or public facilities, schools, hospitals, as long as there are related to energy-saving or need high color of the place are most of the use of LED panel lights to replace On the one hand, LED panel lights have the role of energy saving and environmental protection, on the other hand, to create a good lighting atmosphere. What is the internal structure of it?

Generally from the big side, we put a LED panel lights into seven components, below we will be detailed understanding of these seven parts bar!

1. Aluminum Frame

Structural composition of aluminum frame and main structure of LED heat dissipation general use of AL6063, aluminum extrusion die, upfront cost input low, surface treatment beautiful, good cooling effect, but if the use of die-casting frame, so not only can improve the IP protection level, and sealing light better, overall beautiful, but upfront investment in the mold cost higher.

2. Light Guide Plate

The side LED light through the dot refraction to change the angle of light scattered, light guide plate is the heart of flat-panel lamp, dot design is very important, dot design is not good, see the overall light effect is very poor, generally will appear 1. The middle is bright, both sides are dark; 2. Into the light Biolion edge, the middle dark; 3. From different angles, the overall brightness is 4. Local Dark area is obvious. Light efficiency of the guide plate is a large part of the design in the network, followed by the selection of plates, but blindly pursue the brand is also wrong, because many brands like Japan's Mitsubishi, most of its good plates are ordered by people, many of the market outflow of Mitsubishi Plate for some scraps, its light transmittance is lower than its own production of sheet height, Therefore, the choice of plate is not necessarily to see the plate manufacturers, as long as the test light transmittance high lighting effect OK.

3. Diffuser board

The function of the diffuser plate is to scatter the light of the guide plate evenly, also play a role in shielding Dot, diffusion board general use Acrylic 2.0 sheet or PC material, acrylic cost is lower and light transmittance than PC high, acrylic brittle anti-aging performance weak, PC price is slightly expensive, but anti-aging performance is strong. The diffuser board can not see the dot after loading, and the transmittance should be around 90%. Acrylic light transmittance in 92%,pc 88%. We can according to the needs of the diffusion plate material selection, the general use of acrylic materials.

4. Reflective paper

Reflective paper mainly reflects the light on the back of the guide plate is generally RW250.

5.LED Light Source

General use SMD3528 also some people use 5630 and 5050,5630 and 5050 light effect is not high and dot design difficult, universal, but low cost. SMD3528 light effect High dot universality.

6. Rear cover Plate

Sealed lamp body-General Al Aluminum, the overall texture is strong, and can play a little cooling effect.

7. Drive Power

At present, LED lighting has 2 kinds of power supply mode 1. Direct use of constant current power supply (this mode is high efficiency, pf value of up to 0.95, cost-effective) 2. Constant pressure with constant current mode (stable performance, but low efficiency, high cost) general use of this mode is to require the certification of the customer design, Because the lamp is 24V input low-voltage lamps, do not need to do safety regulation, direct use of the power supply can be shipped to each country, the use of a wide range.