FLAT LIGHTING DEVICE Russian patent published in 2017 - IPC F21V29/00 F21K99/00 F21V3/00 F21V3/02 F21V5/04 H05K1/02 H05K1/18 F21Y105/00 

FIELD: lighting.

SUBSTANCE: invention relates to a flat lighting device (1), comprising of a carrier (2) which includes a heat-conducting layer (7), at least one solid-state light source (3), located on the front side of the carrier (2), and an electroinsulating cover member (5a, 5b), which is in heat contact with said front side and the rear side, which is opposite to said front side. The cover member (5a, 5b) is adapted to transfer heat from said carrier (2) from the lighting device. The cover member (5a, 5b) comprises of an optical structure (4) disposed on the carrier in front of at least one light source (3) and configured to direct light, emitted from at least one solid-state light source (3).

EFFECT: increased efficiency of control of thermal processes.

22 cl, 3 tbl, 17 dwg