FIELD: lighting.
SUBSTANCE: invention relates to lighting engineering. Lighting device comprises light source (3), printed circuit board (7), made with possibility to control light source (3), printed circuit board frame (10), having rib (11), slot (12), continued in rib (11), and electro insulating foil (33). Printed circuit board edge (8) is installed in slot (12) so, that printed circuit board (7) is in thermal contact with printed circuit board frame (10), wherein foil (33) and edge (11) together surround printed-circuit board (7), thus providing for heat transfer from printed circuit board to printed circuit board frame.
EFFECT: technical result is improved thermal characteristic.
10 cl, 9 dwg
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Authors
Dates
2017-01-23—Published
2012-09-11—Filed