Wide-angle LED lamp

Abstract

The invention discloses a wide-angle LED lamp which comprises a bulb shell, a lens, a base plate, LED light sources and a lamp holder. The LED light sources are arranged on the base plate, the base plate is fixed to the top of the lamp holder, the lens is arranged above the LED light sources, the bulb shell covers the top of the lamp holder, the lens is accommodated in the bulb shell and is of an annular structure, a through hole is formed in the middle of the annular structure, the lens comprises a bottom surface, a side surface and a reflecting surface, the side surface of the lens is connected to the outer side of the bottom surface of the lens and is positioned on the upper side of the bottom surface of the lens, the reflecting surface of the lens is connected with the bottom surface of the lens and the side surface of the lens, the bottom surface of the lens is of a ring surface structure, the middle of the bottom surface of the lens convexly extends towards the base plate to form a protrusion, the LED light sources are arranged within the range of projection of the protrusion on the base plate, the reflecting surface of the lens is positioned above the LED light sources, covers the LED light sources in an orthogonal projection direction and corresponds to the bottom surface of the lens, and most light rays are reflected towards the side surface of the lens by the reflecting surface of the lens. The wide-angle LED lamp has the advantages that light can be omni-directionally uniformly emitted, and the wide-angle LED lamp is simple in structure.

Description

technical field [0001] The invention relates to the lighting field, in particular to a wide-angle LED lamp. Background technique [0002] In recent years, due to the rapid development of the LED industry, LED lamps have gradually replaced traditional lighting fixtures. For LED bulbs for indoor lighting, the basic requirements for their light intensity distribution and brightness are: the light bulb must not only have omnidirectional light, but also the light intensity distribution should be as uniform as possible to avoid uneven brightness and darkness, otherwise users will feel uncomfortable. repressed. In order to regulate the production of LED bulb lamps, the American Energy Star has released new standards for LED lighting, which stipulates the light intensity distribution of omnidirectional LEDs (also known as non-directional lights). In this regulation, when the directly below the bulb is specified as 0°, within the range of 135° on both sides, its luminous flux must ...

AI Technical Summary

Problems solved by technology

For example, the Chinese invention patent application with application publication date of August 18, 2010 and application number 201010146167.0 discloses an LED bulb lamp that can improve luminous flux. The LED modules are fixed on multiple slopes, although the light angle Larger, but the luminous flux at the end of the bulb lamp is small, which cannot meet the requirements of all-round light emission. At the same time, it has the disadvantages of complex structure and difficult production

Images