LED light bulb having filament with lighting face of LED chip located in the lower surface of top layer
地域：
Jiaxing
摘要
An LED light bulb, comprising of: a lamp housing; a bulb base connected to the lamp housing; a stem connected to the bulb base and located in the lamp housing, the stem comprises a stand extending to the center of the lamp housing; a single LED filament, disposed in the lamp housing, the LED filament comprising: a light conversion layer, coated on at least two sides of the LED chip and the conductive electrodes, and a portion of each of the conductive electrodes is not coated with the light conversion layer, the light conversion layer has at least one top layer and one base layer, the top layer and the base layer are disposed on the opposing surface of the LED chip, wherein the light emitting surface of the LED chips overlaps with the center of the top layer; and two conductive supports, respectively connected with the stem and the LED filament.
說(shuō)明書(shū)
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In order to increase the aesthetic appearance and make the illumination appearance more uniform, an LED light bulb has a plurality of LED filaments, which are disposed with different placement or angles. However, since the plurality of LED filaments need to be installed in a single LED light bulb, and these LED filaments need to be fixed individually, the assembly process will be more complicated and the production cost will be increased.
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