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Time of issue:2022-06-09 11:41:23

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Time of issue:2022-06-09 11:41:23

Tel:

+86-139 2250 5219

E-mail:

wsunrate01@sunrateled. com

Add.:

Tangxia Town, Dongguan City, Guangdong Province, China

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Industry Trends

What is the light-emitting principle of led beads?

What is the light-emitting principle of led beads?

Have you ever understood how the light-emitting principle of led beads is? I'll tell you. the terminal voltage of the PN junction constitutes a certain potential barrier, when the positive bias voltage is added the potential barrier drops, and most carriers in the P and N regions diffuse to each other. Since the electron mobility is much larger than the hole mobility, there will be a large number of electrons diffusing into the P region, constituting an injection of minority carriers into the P region. These electrons and the valence band of the hole complex, complex energy obtained in the form of light energy released. This is the principle of PN junction luminescence.

Time of issue: : 2022-06-08

What are the characteristics of led light-emitting diodes?

What are the characteristics of led light-emitting diodes?

Have you ever understood what are the characteristics of led light-emitting diodes? I'll tell you. LED light characteristics: LED lights are light-emitting diodes, is the use of solid semiconductor chips for light-emitting materials, compared with traditional lamps and lanterns, LED lights energy saving, environmental protection, color rendering and good response speed.

Time of issue: : 2022-06-08

What are the noted classifications of LED light-emitting diodes?

What are the noted classifications of LED light-emitting diodes?

Do you know what attention to classification of LED light-emitting diodes? Let me tell you. Main classification: light-emitting diodes can also be divided into ordinary monochrome light-emitting diodes, high brightness light-emitting diodes, ultra-high brightness light-emitting diodes, color-changing light-emitting diodes, flashing light-emitting diodes, voltage-controlled light-emitting diodes, infrared light-emitting diodes and negative resistance light-emitting diodes. LED control modes are constant current and constant voltage, there are a variety of dimming methods, such as analog dimming and PWM dimming, most of the LEDs are using constant current control, which can keep the LED current stable and not easily subject to changes in VF, can extend the service life of LED lamps.

Time of issue: : 2022-06-08

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