| 摘要 |
Provided is a heating source (100, 200) used in an organic light emitting diode evaporator (300) to heat a heating vessel (310) in the evaporator (300), wherein the heating source (100, 200) comprises a heating coil (10) and a protection piece (20, 220), wherein the protection piece (20, 220) is made of an insulation material, the two ends of the heating coil (10) are connected to a power source to receive a voltage to generate heat, the protection piece (20, 220) is arranged on the heating coil (10) and used for limiting the deformation range of the heating coil (10), so as to limit the contact of two adjacent heating wires (11) in the heating coil (10), thus avoiding a phenomenon of a short circuit of two adjacent heating wires (11). |
