LED bulb lamp with double bulb housings

Abstract

The invention discloses an LED bulb lamp with double bulb housings. The LED bulb lamp with the double bulb housings comprises a lamp cap, a lamp holder matched with the top of the lamp cap, a circuitboard for driving LED chips to be operated, a columnar substrate installed at the top of the lamp holder, an inner bulb housing installed on the outer circle of the columnar substrate, and an outer bulb housing installed on the outer circle of the inner bulb housing. The outer circle of the columnar substrate is provided with at least one LED lamp bar. The multiple LED chips are distributed on theLED lamp bar. The LED bulb lamp with the double bulb housings is large in illumination angle, and wide in illumination area. The columnar substrate is installed in a longitudinal direction, and the LED lamp bar is stereoscopically distributed in the double bulb housings, so the formed bulb lamp has not the thick and heavy lamp holder, and is more similar to the appearance of a traditional incandescent lamp.

Description

technical field [0001] The invention relates to an LED bulb lamp, in particular to an LED bulb lamp with double bulb shells. Background technique [0002] Traditional incandescent lamps have a relatively large luminous angle, but compared with LED lamps, they have high energy consumption and short service life. Now the markets in Europe and the United States are in great need of LED bulb lamps with large angles to replace traditional incandescent lamps. The lights are similar. [0003] LED is made of electroluminescent semiconductor material, which has excellent characteristics such as low voltage, high efficiency, good monochromaticity, strong applicability, good stability, short response time, long life, and no pollution to the environment. Widely used in lighting, decoration and other fields. An LED bulb based on LED chips has emerged as the times require. An important difference between this kind of LED bulb and traditional incandescent bulbs is that the illuminants in...

AI Technical Summary

Problems solved by technology

[0005] Since the heat dissipation of the LED chip is a problem that determines the luminous efficiency and lifespan, in order to ensure good heat dissipation, the above-mentioned LED lamp with a double-layer bulb needs to be provided with a larger volume to ensure the heat dissipation efficiency of the LED. Therefore, the above-mentioned double-layer bulb The lamp body of the bulb LED lamp is relatively thick, and there is still a big difference in appearance from the traditional incandescent bulb lamp

Secondly, the LED chip of the above-mentioned LED lamp with double-layer bulbs gradually diffuses through the two layers of milky white bulbs, the effective lumens of the whole lamp will be seriously lost, and the diffusion angle can only reach about 250 degrees. Even if the reflector cup is added, its The light angle can only reach about 270 degrees