LIGHTING DESIGN BASED multichip polychrome LEDS

摘要

The invention relates to lighting fixtures, namely, to the structures of lighting devices based on multi-chip LED polychrome. The object of the claimed utility model is to increase the luminance uniformity of the emitting surface of the illumination device and the homogeneity of color of light emitted by it. The lighting device comprises a housing having a base and a side surface of the output window is placed a diffusing element. On the basis of LEDs arranged in rows, each of which comprises a plurality of light-emitting crystals with different emission color are mounted on a common circuit board with a common lens. The scattering member has an inner and an outer diffuser surface located at a distance A from each other, the minimum distance S between the centers of adjacent LEDs selected from S≤0,01D ratio where D - the distance between the centers of the extreme diagonally arranged on the basis of the LEDs, and the distance A is selected from the relation S A D. It is preferred that at least at a part of the LEDs in the same row and / or in the adjacent rows crystals emitting radiation with the same color are arranged on the board with a different rotation angle about the vertical axis passing through the center board. It is preferred that the inner surface of the housing was made specular. N.p.f. 1, 2 z.v.p. 2 yl.