Lighting device

Abstract

The invention relates to a lighting device. The lighting device comprises a lamp body, an LED (light-emitting diode) module and a lampshade. By means of correlation parameter design of the lampshade and the LED module, such as width of the lampshade, height of the lamp and light emitting angle of the LED module, light uniformity of the lampshade of the lighting device is more than 70% after light transmits from the LED module. Therefore, the lighting device can provide light sources with more than 70% light uniformity of the surface of the lampshade, convert the light sources from point light sources to uniform plane light sources, effectively reduce characteristic of concentration of the LED module when people use the lighting device, improve uneven distribution of the luminosity of the lampshade, and overcome the poor lighting uniformity of the surface of the lampshade of the lighting device and poor aesthetic problems.

Description

technical field [0001] The present invention relates to a lighting device using LED as a light source, in particular to a lighting device. Background technique [0002] In view of the fact that light-emitting diodes (Light Emitting Diode, LED) have many advantages compared with traditional light bulbs, such as high brightness, power saving, environmental protection, long service life and small size, and are widely used in lighting of lamps and lanterns. LED components are arranged and connected on a circuit board, and combined into an LED module, and then a plurality of LED modules are arranged in series or parallel to form an LED lighting device, so as to achieve the use requirements of large-scale illumination and high brightness, and used indoors Or outdoor lighting devices; however, LED lighting devices used in indoor lighting devices have a lack of brightness that is too concentrated and uneven in the center of the point. It must rely on secondary optical design to guid...

AI Technical Summary

Problems solved by technology

[0008] According to the above, the known devices that use LEDs as lighting are still limited to the angle of placement of the LED itself and the path of the light source in order to improve the uniformity of illumination, so that it can produce concentrated illumination through the mask, thereby resulting in output illumination. The uneven distribution of light and dark ratios, that is, poor lighting uniformity and bad taste; therefore, how to effectively solve the aforementioned problems has become an important research topic for relevant people in this industry

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