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SMD LED And The Difference Between The Lamp Beads

With the rapid development of LED technology, LED lighting has become a new type of green lighting choice, because the LED in the light principle, energy saving, environmental protection level are far superior to traditional lighting products. LED lights can be divided into patch and lamp beads, what is the relationship between them and the difference between it?

First, LED patch lights introduced

LED patch light from the FPC circuit board, LED lights, made of high-quality silicone casing. Waterproof performance, the use of low-voltage DC power supply safe and convenient, light color and diverse, colorful; outdoor use can be anti-UV aging, yellowing, high temperature and other advantages, the product is widely used in building contour lights, entertainment quasi-decorative lighting, advertising decoration Lighting lighting field.

Features:

1. Can be bent at random, can be fixed on the convex surface.

2. Each 2 LED lights can form a loop.

3. Small size, rich colors.

4. With high brightness, adjustable light angle, installation, the length can be customized according to requirements.

5. Energy saving: constant current drive, ultra-low power, electro-optical power close to 100%.

6. Environmental protection: no UV, infrared light radiation, no heat, no mercury leakage risk.

7. longevity: 5-8 million hours, is the traditional fluorescent lamp life more than 10 times.

Second, LED lamp beads introduced

LED lamp beads is the abbreviation of light-emitting diodes referred to as LED, which is a popular call.

1. Voltage: LED lamp beads using low-voltage power supply, the supply voltage between 2-4V, depending on the product varies, so drive it is a higher than the power supply; more secure power, especially for public places;

2. Current: working current at 0-15mA, the brightness increases with the current and brighten

3. Effectiveness: 80% reduction in energy consumption compared to incandescent light.

4. Applicability: very small, each unit LED chip is 3-5mm square, it can be prepared into a variety of shapes of the device, and suitable for a variable environment.

5. Response time: the response time of the incandescent lamp in milliseconds, LED light response time for the nanosecond.

6. Environmental pollution: no harmful metal mercury.

7. Color: change the current can be discolored, light-emitting diode easily through the chemical modification method, adjust the material band structure and band gap, to achieve red, yellow, green orchid orange multi-color light. Such as small current when the red LED, with the increase in current, can turn into orange, yellow, and finally green.

Third, LED lights are good or good lamp beads

1, LED lamp beads of different power

High-power LED lights generally use 1W high power LED lamp beads, 1-3W coexistence of high power LED lamp beads, COB high power these several. High power lamp beads single LED power can be done up to 200W or more.

Low power LED lights, the general is the use of SMD lamp beads, mainly including these: 5050 lamp beads, each 0.2W, 3528 lamp beads, each 0.06W, 3014 lamp beads, each 0.1W, 5630 lamp beads, Each 0.5W, 5730 lamp beads, each 0.5W.

2, the cost is different

From the product cost point of view, high-power LED lamp beads cost is higher than the cost of low-power, first, high-power LED itself is higher cost; Second, high-power LED to aluminum heat sink, and small power as long as the use of ordinary Circuit board, coupled with the natural heat can meet the requirements.

3, the application of LED lamps are different

High-power LED is basically used in the unit area on the light source requirements of high products, such as LED ceiling light, LED flood light, LED bulb, street lamps and so on.

Low-power LED is basically used in the patch area is less, and the heat is not good to deal with the light per unit area of light products are not demanding, such as LED ceiling lamp, LED fluorescent lamp, LED panel lights, LED lights Wait.

In general, the patch is good, after all, in addition to the heat spread of a good angle, the rational design will make your bubble no dark area, contrast, the lamp beads no advantage.


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