FIELD: lighting.
SUBSTANCE: lighting device comprises a light source (110), a heat-conducting holder (130) configured to hold the light source, a bulb (120), wherein the holder and the bulb together form a single chamber (140) at least partially surrounding the lighting source (110). The holder is configured to transfer heat (160) from the light source (110) to the bulb (120, and the said bulb is configured to dissipate heat (170) from the lighting device. The holder and the bulb of the lighting device can comprise a single integrated part.
EFFECT: provided adjustment of heat exchange and uniform distribution of brightness.
14 cl, 7 dwg
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