What affects the brightness of LED lights, the advantages and disadvantages of LED bulbs
LED lamps are the common fluorescent lamps and energy-saving lamps in life. The light-emitting principle of LED lamps is mainly the combination of two different wavelengths of light. The effective combination of green light and LED white light components can be called a multi-color LED combination method. Generally, due to cost and technical constraints in the production process, LEDs have appeared in large-scale applications. LED bulbs The brightness of the LED light bulb is mainly affected by the color of the light area; the following editor will tell you about the advantages and disadvantages of LED bulbs, I hope it can help you.
LED lighting products cannot completely replace the commonly used incandescent lamps in the process of use. The light efficiency and color rendering performance of the products are still certain. Generally, they are compared with incandescent lamps by improving the brightness of LEDs. LEDs are usually not used as light sources alone, and the drive power and light and heat conduction must be fully configured during installation. Many friends who don't know much about LEDs will also reduce the product life when they use them blindly, because LEDs will also generate heat, and they still need to be actively treated for heat dissipation.
LED product development history:
The reason why LED has been widely valued and developed rapidly is because it has many advantages. For example: high brightness, low operating voltage, low power consumption, easy integration, simple driving, long life, shock resistance and stable performance, its development prospects are extremely broad. At present, it is developing towards higher brightness, higher weather resistance and luminous density, luminous uniformity, and full color. With the development, people need a large-screen display device, so there is a projector, but its brightness cannot be used under natural light, so an LED display (screen) appears, which has the characteristics of large viewing angle, high brightness and bright colors.
Types of LED lamp beads:
1. According to the color of the lamp beads: red light, green light, yellow light, etc.
2. Starting and tailing LED lights: low-power LED lights (in-line, SMD patch), high-power LED lights. In-line low-power specifications include: straw hat/helmet, round head, concave, oval, tombstone type (2*3*4) bullet head, flat head, (3/5/flat head/bread type) piranha, etc. SMD patch: 3020/3528/5050 these are front emitting light sources; 1016/1024 etc. these are side emitting light sources.
3. According to the characteristics of the light-emitting surface: round lamp, square lamp, rectangle. Surface luminous tube, lateral tube, micro tube, etc.
Advantages of LED lights:
1. The biggest advantage of LED lights is energy saving.
2. Long life.
3. Good applicability, due to the small size of a single LED, it can be made into any shape.
4. The response time is short, which is the response time of ns (nanosecond) level, while the response time of ordinary lamps is ms (millisecond) level.
5. Environmental protection, no harmful metals, easy recycling of waste.
6. The color is gorgeous, the luminous color is pure, the spectral range is narrow, and it can be mixed into colorful or white light through the three primary colors of red, green and blue.
Disadvantages of LED lights:
1. Expensive.
2. There is still a big gap between the light efficiency that can be generally achieved and the theoretical light efficiency.
3. There is still a big gap between the lifespan that can be achieved at present and the theoretical lifespan (10w hours).
4. There is still a certain amount of heat.
5. The light decay can also be greatly reduced.
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