G PHYSICS
G02 OPTICS
G02B OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
G02B6/00 Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
G02B6/0001 specially adapted for lighting devices or systems
G02B6/0011 the light guides being planar or of plate-like form
G02B6/0081 Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
G02B6/0083 Details of electrical connections of light sources to drivers, circuit boards, or the like