According to luminous color
Can be divided into red, orange, green (subdivided yellow green, standard green and pure green), blue light and so on. In addition, some light emitting diodes contain two or three colors of chips.
According to whether the light emitting diode emits light with or without a doping agent, colored or colorless, the above-mentioned light emitting diodes of various colors may also be classified into four types: colored transparent, colorless transparent, colored scattering, and colorless scattering. Scattering light-emitting diodes and up to do indicator lights.
According to the characteristics of light emitting surface of luminous tube
Sub-circular lights, square lights, rectangles, surface light tubes, lateral tubes, surface mounted microtubes, etc. The circular lamp is divided into φ2mm, φ4.4mm, φ5mm, φ8mm, φ10mm and φ20mm according to diameter. In general, φ3mm LEDs are referred to as T-1; φ5mm is referred to as T-1 (3/4); and φ4.4mm is referred to as T-1 (1/4).
According to the structure of light emitting diodes
According to the structure of light-emitting diodes divided into all epoxy encapsulation, metal base epoxy encapsulation, ceramic base epoxy encapsulation and glass encapsulation and other structures.
According to luminous intensity and operating current
According to luminous intensity and working current, there are ordinary brightness LEDs (luminous intensity <10mcd); ultra-high brightness LEDs (luminous intensity> 100mcd); luminous intensity between 10 and 100mcd called high-brightness light-emitting diodes. The working current of the general LED is more than ten mA to several tens of mA, and the operating current of the low current LED is less than 2 mA (the brightness is the same as that of an ordinary luminous tube).