LED bulb
A technology for LED bulbs and radiators, which is applied in lampshades, cooling/heating devices of lighting devices, lighting and heating equipment, etc., can solve the problems of short creepage distance, unreachable, and high cost.
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[0011] refer to Figure 1 to Figure 3 As shown, the figure shows the first preferred embodiment of the present invention. In this embodiment, the LED bulb 100 includes a heat sink 104 , a ceramic substrate 103 in contact with the heat sink 104 , and an LED light source 105 mounted on the ceramic substrate 103 .
[0012] The heat sink 104 has a protrusion 1041 , and the protrusion 1041 is connected with the ceramic substrate 103 to form a first connection surface 10410 . The ceramic substrate 103 has a second connection surface 1030 connected to the protrusion 1041 , and the area of the first connection surface 10410 of the protrusion 1041 is smaller than the area of the second connection surface 1030 of the ceramic substrate 103 . The radiator 104 further includes a main body 1042 connected to the boss 1041 , the main body 1042 of the radiator 104 and the boss 1041 form a stepped internal structure of the radiator 104 .
[0013] The ceramic substrate 103 includes a flat p...
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