LED lighting source module group

Abstract

The present invention discloses an LED lighting source module group. The LED lighting source module group comprises an LED light source (1) and a reflection cup (2) with the bottom open-ended; the LED light source (1) comprises a circuit board (1.1) and a plurality of LEDs (1.2); the plurality of LEDs (1.2) are distributed on the circuit board (1.1); the circuit board (1.1) is disposed at the top of the reflection cup (2); the LEDs (1.2) are disposed in the reflection cup (2); the reflection cup (2) is long strip shaped; the reflection cup (2) comprises a front wall (2.1), a rear wall (2.2) and two side walls (2.3); the two side walls (2.3) are symmetrically disposed at two sides of the front wall (2.1) and the rear wall (2.2); the front wall (2.1) is an inclined surface; the rear wall (2.2) and the two side walls (2.3) are all convex arc-shaped surfaces; and the density of the LEDs distributed at two side portions of the circuit board (1.1) is larger than that of the LEDs distributed in the middle of the circuit board (1.1). The LED lighting source module group has uniform brightness, the glare phenomenon is prevented, reflection angles of the light source by a reflection cavity are relatively large, and formed light spots are relatively ideal.

Description

technical field [0001] The invention relates to the field of optics, more specifically to an LED lighting source module for road lighting. Background technique [0002] The LED lighting source module includes a light source and a reflector. The reflective cup refers to a reflective device that reflects the light emitted by the light source that cannot be illuminated on the working and living surfaces during the use of the lamp. The reflector is a kind of reflector that is often used, which can greatly improve the light utilization rate of the lamp and greatly improve the efficiency of the lamp. The shape of the reflector determines the ability of the reflector to handle the indirect light of the light source. [0003] For the LED lighting source modules used in road lighting, they have the characteristics of high power and light intensity. Because these lamps are far away from the surface where the light is used, there are very few light sources that can directly shine on...

AI Technical Summary

Problems solved by technology

However, the LED lighting source module of the prior art has the following defects: the LED light source of the LED lighting source module is concentrated in the middle of the reflector cup, the brightness is uneven, and glare is easy to occur, and the reflection angle of the light source by the reflective cavity is relatively small , The light spots formed by the LED lighting light source module on the ground are not ideal, the care is uneven, and it is easy to appear that the middle is bright and the two sides are dark, and it is easy to cause traffic safety hazards

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