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What else are related to LED lights?

Updated:2022-05-07
Summary:

①New green environmental protection light source: LED u […]

①New green environmental protection light source: LED uses cold light source, with little glare, no radiation, and no harmful substances are generated during use. The working voltage of LED is low, it adopts DC drive mode, ultra-low power consumption (single tube 0.03~0.06W), electro-optical power conversion is close to 100%, and it can save more than 80% energy than traditional light source under the same lighting effect. The environmental protection benefits of LED are better, there are no ultraviolet and infrared rays in the spectrum, and the waste is recyclable, pollution-free, mercury-free, safe to touch, and belongs to a typical green lighting source.

 

②Long service life: LED is a solid cold light source, encapsulated by epoxy resin, anti-vibration, and there is no loose part in the lamp body. hours, which is more than 10 times the service life of traditional light sources. The LED has stable performance and can work normally in the environment of -30~+50°C.

 

③Multi-transformation: LED light source can use the principle of red, green and blue three primary colors, under the control of computer technology, the three colors can have 256 gray levels and can be mixed arbitrarily, which can generate 256X256X256 (ie 16777216) colors to form different light colors The combination. The light color of the LED combination varies widely, which can realize a variety of dynamic changing effects and various images.

 

④High-tech: Compared with the luminous effect of traditional light source, LED light source is a low-voltage microelectronic product, which successfully integrates computer technology, network communication technology, image processing technology and embedded control technology. The size of the chip used in the traditional LED lamp is 0.25mmX0.25nm, and the size of the LED for lighting is generally more than 1.0mmX1.0mm. The benchtop structure, inverted pyramid structure and flip-chip design of LED die molding can improve its luminous efficiency, thus emitting more light. Innovations in LED package design, including high-conductivity metal bulk substrates, flip-chip designs, and die-cast leadframes, have enabled the design of high-power, low-thermal-resistance devices with higher illuminance than conventional LEDs. The illumination of the product is greater.
A typical high-flux LED device can produce luminous fluxes ranging from a few lumens to tens of lumens. Newer designs can integrate more LEDs in a single device, or install multiple devices in a single assembly, resulting in comparable lumens output. for small incandescent lamps. For example, a high-power 12-chip monochrome LED device can output 200lm of light energy and consumes between 10 and 15W of power.

 

The application of LED light source is very flexible, and it can be made into light, thin and short products in various forms of point, line and surface; LED control is extremely high, as long as the current is adjusted, the light can be adjusted at will; the combination of different light colors is varied, and the sequence control circuit is used. , which can achieve a variety of dynamic changes. LEDs have been used in a wide variety of lighting applications such as battery-operated flashing lights, tiny voice-activated lights, security lights, outdoor road and indoor stair lighting, and building and signage continuous lighting.

 

The emergence of white LEDs is a substantial step for LEDs from the identification function to the lighting function. White LED is the closest to sunlight and can better reflect the true color of the illuminated object, so from a technical point of view, white LED is undoubtedly the most cutting-edge technology of LED. White LEDs have begun to enter some application fields, emergency lights, flashlights, flashlights and other products have come out one after another, but they are difficult to popularize due to their high prices. The premise of the popularization of white LED is the price drop, and the price drop can only be possible after the white LED has formed a certain market size. The integration of the two ultimately depends on technological progress.

 

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