LED blackboard lamp
A technology of LED blackboard light and LED light source, which is applied in the field of LED lighting, can solve the problems of illuminance attenuation, affecting vision, and low average illuminance on the surface of the blackboard, so as to prevent glare and improve utilization efficiency
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[0020] figure 1 It is a three-dimensional exploded view of the LED blackboard light of the first embodiment of the present invention. The LED blackboard light 100 is used to illuminate a blackboard or a wall 200, and includes an LED light source board 10 provided with an LED light source 11 and a shading cover 20. The shading cover 20 For the shell structure, the height of the shading cover 20 is higher than that of the blackboard or wall 200 to be irradiated. The blackboard or wall 200 can also be other walls, such as murals or handicrafts hanging on the wall.
[0021] Please refer to figure 1 , figure 2 , Figure 5 One end of the light shield 20 is arranged around the LED light source board 10, the other end of the light shield 20 is a light outlet 21, and the light outlet 21 is arranged toward the blackboard or wall 200, and the light shield 20 includes The inner board 22 arranged on one side of the body of wall 200 and the outer board 23 arranged on one side away from...
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