I know the types of LED lamp bead, SMD, upright, high power, light, integrated! But can you tell me how to distinguish between them, they have their own characteristics? Others get sample I don't know what kind of!!!!!!!!!!!!!!!
The original poster hello! Into the lamp bead: mainly the thermal conductive encapsulated was characterized by a shiny surface, assumes the circular, the second half of the luminous body has two or more pin only. Patch light source: mainly rules of small particles, specifications are mainly 3528, 5050, 3014, 3020, etc., such as 3528 is 3.5 * 3.5 mm High-power light source: the most main characteristic is that single large, light source as a whole are round, its light source surface has the typical half spherical lens, visible to the naked eye lens under circular fluorescent powder and black crystal. Article article lamp light source: as the name implies, the lamp will be more than the light source (specific see appearance can distinguish) welding strip on the substrate, composed of modules, a strip or square shape. Integrated light source: at present, the integrated light source (COB light source) is more than chips encapsulation in a reflection bowl area, its light source surface has obvious large area coating type colloidal substances (phosphor powder + silica gel), yellow light surface can be seen more than a little black granular blackbody (chip). Believe that these characteristics to distinguish the light above the building Lord enough! Thank you very much!
Patch can have a look at the package with SMD basic in one plane looks very smooth Into the DIP tube feet stay very long, generally small power lamp bead Integrated light source, General concentration multiple chip encapsulation In the middle of chip A line for 10 generally A few line with times ten basic wattage The lamp is clear High power light source and a feature is at the bottom of the radiating surface must be smooth Effective radiating surface is larger
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