Preparation method of bent LED lamp filament and bulb provided with same
A LED filament and bending technology, which is applied in lighting and heating equipment, components of lighting devices, semiconductor devices of light-emitting elements, etc., can solve the problems of manufacturing process limitations, wattage limitations, difficulties, etc., and achieve uniform luminescence and long service life Long, high yield effect
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[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0034] Depend on figure 1 It can be seen that the present invention first discloses a method for preparing a curved LED filament, which mainly includes the following steps:
[0035] (1) First prepare a number of metal substrates or non-metal substrates with good ductility, and make series or series-parallel conductive lines on the metal or non-metal substrates; metal substrates with good ductility such as aluminum substrates, copper substrates, copper substrates, Aluminum composite substrates, etc., non-metallic substrates such as composite plastic substrates, rubber substrates, silica gel substrates, etc., mainly adopt aluminum substrate 1 as an example in this embodiment (see figure 2 );
[0036] (2) Use a machine to punch or cut out a mosquito-repellent-repellent-repellent spiral structure on a metal or non-metallic substrate. ...
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