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Time of issue:2022-06-09 11:41:23
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What are the skills when buying LED lamp beads

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What are the characteristics of SMD LED beads
What are the characteristics of SMD LED beads
The characteristics of SMD LED beads are these. SMD LED beads are divided into common brightness LEDs in accordance with the luminous intensity and operating current, and the luminous intensity between 10 and 100mcd is called high brightness SMD LED beads. Common SMD LED beads operating current, and low-current LED operating current of 2mA or less, SMD LED beads in the use of small size, long service life, low power consumption, high brightness, environmental protection, suitable for mass production, rugged and reliable, fast response, energy saving, shock resistance, shockproof, high resolution, can be designed and many other advantages. In the industrial field is now used in large quantities. Translated with www.DeepL.com/Translator (free version)
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The characteristics of SMD LED beads are these. SMD LED beads are divided into common brightness LEDs in accordance with the luminous intensity and operating current, and the luminous intensity between 10 and 100mcd is called high brightness SMD LED beads. Common SMD LED beads operating current, and low-current LED operating current of 2mA or less, SMD LED beads in the use of small size, long service life, low power consumption, high brightness, environmental protection, suitable for mass production, rugged and reliable, fast response, energy saving, shock resistance, shockproof, high resolution, can be designed and many other advantages. In the industrial field is now used in large quantities. Translated with www.DeepL.com/Translator (free version)
What are the skills when buying LED lamp beads
What are the skills when buying LED lamp beads
LED beads are light-emitting diodes, which are often used in the commercial and home lighting industry to a class of decorative lighting products, which not only has the effect of lighting, and because of its soft light, used for indoor decoration, and because the type and type of LED beads on the market are very diverse, then consumers should pay attention to what details in the process of buying and selling. LED lamp beads purchase skills following these points.
See more information
LED beads are light-emitting diodes, which are often used in the commercial and home lighting industry to a class of decorative lighting products, which not only has the effect of lighting, and because of its soft light, used for indoor decoration, and because the type and type of LED beads on the market are very diverse, then consumers should pay attention to what details in the process of buying and selling. LED lamp beads purchase skills following these points.
Do you understand the principle of LED light beads
Do you understand the principle of LED light beads
Speaking of LED beads believe that many people know what they are used for, LED beads, to put it bluntly, is a light-emitting diode made of semiconductor materials, in order to directly convert electrical energy into light energy, electrical signal into light signal light-emitting devices, SMD lamp beads in the use of the most important is heat dissipation, according to different manufacturers of lamp beads, with different packaging glue, pre-baking to pay attention to the time and temperature, and later to pay attention to SMD temperature, but many people do not know the principle of LED light-emitting beads, the following analysis of the principle of LED light-emitting beads for everyone.
See more information
Speaking of LED beads believe that many people know what they are used for, LED beads, to put it bluntly, is a light-emitting diode made of semiconductor materials, in order to directly convert electrical energy into light energy, electrical signal into light signal light-emitting devices, SMD lamp beads in the use of the most important is heat dissipation, according to different manufacturers of lamp beads, with different packaging glue, pre-baking to pay attention to the time and temperature, and later to pay attention to SMD temperature, but many people do not know the principle of LED light-emitting beads, the following analysis of the principle of LED light-emitting beads for everyone.
What determines the light-emitting color of a light-emitting diode?
What determines the light-emitting color of a light-emitting diode?
What do you know about what determines the color of light-emitting diodes? Let me tell you. Light-emitting diodes are also known as led beads. Usually we see colorful light-emitting diodes, green, red, blue, purple, orange, yellow ...... Colorful, there are infrared and ultraviolet light. So, do you know what determines the different colors of light it emits? When an electron leaps from the conduction band to the valence band will radiate a photon, the energy of this photon E is equal to the forbidden band width Eg, and the wavelength of the photon λ = 1.24/Eg (μm), so the forbidden band width of the semiconductor basically determines the color of the diode light. Light-emitting diodes emit white light is not monochromatic light, but by a variety of light mixture. Common white light-emitting diodes using gallium nitride semiconductor material, its forbidden band width of about 3.39eV, the formation of the pn junction issued by the blue light (has been adjusted by impurity energy level photon energy). However, in the light-emitting diode pn junction outside coated with a layer of yellow phosphor, when the blue light hit the yellow phosphor, the light-emitting diode will issue a mixture of yellow and blue light from the white light.
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What do you know about what determines the color of light-emitting diodes? Let me tell you. Light-emitting diodes are also known as led beads. Usually we see colorful light-emitting diodes, green, red, blue, purple, orange, yellow ...... Colorful, there are infrared and ultraviolet light. So, do you know what determines the different colors of light it emits? When an electron leaps from the conduction band to the valence band will radiate a photon, the energy of this photon E is equal to the forbidden band width Eg, and the wavelength of the photon λ = 1.24/Eg (μm), so the forbidden band width of the semiconductor basically determines the color of the diode light. Light-emitting diodes emit white light is not monochromatic light, but by a variety of light mixture. Common white light-emitting diodes using gallium nitride semiconductor material, its forbidden band width of about 3.39eV, the formation of the pn junction issued by the blue light (has been adjusted by impurity energy level photon energy). However, in the light-emitting diode pn junction outside coated with a layer of yellow phosphor, when the blue light hit the yellow phosphor, the light-emitting diode will issue a mixture of yellow and blue light from the white light.
What causes LED lights to flicker?
What causes LED lights to flicker?
Time of issue : 2022-06-08
During the process of capacitor charging, the lamp is off, and the lamp can be seen to be off with the naked eye because of the low current inside the capacitor, which leads to a slow charging rate. When the capacitor is fully charged, the electrical energy is released at once and the lamp will be lit. But because the stored electric energy is less, the electric light will go out soon, and keep charging and discharging repeatedly, and what you see with the naked eye, is the light flickering.
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During the process of capacitor charging, the lamp is off, and the lamp can be seen to be off with the naked eye because of the low current inside the capacitor, which leads to a slow charging rate. When the capacitor is fully charged, the electrical energy is released at once and the lamp will be lit. But because the stored electric energy is less, the electric light will go out soon, and keep charging and discharging repeatedly, and what you see with the naked eye, is the light flickering.

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Time of issue:2022-06-09 11:41:23
Add.:
Tangxia Town, Dongguan City, Guangdong Province, China

What are the skills when buying LED lamp beads

  • Categories:FAQ
  • Author:
  • Origin:
  • Time of issue:2022-06-09 09:20
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(Summary description)LED beads are light-emitting diodes, which are often used in the commercial and home lighting industry to a class of decorative lighting products, which not only has the effect of lighting, and because of its soft light, used for indoor decoration, and because the type and type of LED beads on the market are very diverse, then consumers should pay attention to what details in the process of buying and selling. LED lamp beads purchase skills following these points.

What are the skills when buying LED lamp beads

(Summary description)LED beads are light-emitting diodes, which are often used in the commercial and home lighting industry to a class of decorative lighting products, which not only has the effect of lighting, and because of its soft light, used for indoor decoration, and because the type and type of LED beads on the market are very diverse, then consumers should pay attention to what details in the process of buying and selling.
LED lamp beads purchase skills following these points.

  • Categories:FAQ
  • Author:
  • Origin:
  • Time of issue:2022-06-09 09:20
  • Views:
Information

LED beads are light-emitting diodes, which are often used in the commercial and home lighting industry to a class of decorative lighting products, which not only has the effect of lighting, and because of its soft light, used for indoor decoration, and because the type and type of LED beads on the market are very diverse, then consumers should pay attention to what details in the process of buying and selling.
LED lamp beads purchase skills following these points.
1, LED lamp beads purchase skills - LED lamp beads brightness
LED lamp beads of different colors will have different luminous intensity, commonly used units are mcd and lm, i.e. millicandela. The higher the value, the greater the luminous intensity, that is, the brighter. This is an important indicator for the selection of LED lamps and lanterns, the higher the brightness requirements of the more expensive lights, this is because the price of high-brightness LED chip is expensive (but worth every penny).
2, LED lamp beads buying skills - LED color
There are many small packaging factory because there is no spectrophotometer, so it is difficult to ensure the quality. LEDs that have not undergone color separation, the color consistency is poor, of course, the price difference is also relatively large.
3, LED lamp beads buying skills - LED chip
Chip origin determines the price and the quality of the lamps, customers can often determine the quality of LED lights by understanding the LED chip suppliers used in LED lights, because the biggest factor determining the price of LED is the chip. Therefore, understanding the chip supplier, you can roughly determine the price range of LED lights, which is one of the effective means of experienced buyers to assess suppliers.
4, LED lamp beads buying skills - LED package
The package of LED beads is divided into resin package and silicone package. The price of resin package is cheaper, because the heat dissipation performance is slightly worse. Silicone package has good heat dissipation performance, so the price is a little more expensive than the resin package.
5, LED lamp beads purchase skills - color temperature
When purchasing, special attention should be paid to the color temperature below 3300K, the light color is red to give a warm feeling; there is a stable atmosphere, warm feeling. The color temperature is generally known as warm color temperature. Color temperature in the middle of 3000 - 6000K, people in this hue no special obvious visual psychological effect, there is a crisp feeling; so called "neutral" color temperature. Color temperature of more than 6000K, the light color blue, giving people a cool feeling, commonly known as cold color temperature.

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