A lighting apparatus, comprising: a driver for converting an external power to a driving current; a light source plate; and a light source connector structure having a top portion and a bottom portion, the top portion and the bottom portion keeps a distance and clipping the light source plate between the top portion and the bottom portion, the driving current being supplied to the light source plate with a conductive path routed via the light source connector, the top portion having a light escape for a light of the light source plate passing through; wherein the top portion of the light source connector comprises a pressing block, an elastic clip, a wire and a fastener, wherein the surface of the light source plate (7702, 991) has a conductive portion, the pressing block has an elastic clip hole and a wire hole, the wire is capable of inserting into the wire hole, the wire and the elastic clip are contacted, the elastic clip electrically connects to the conductive portion of the light source plate (7702, 991) the fastener presses and connects the wire and the elastic clip together; wherein the elastic clip has a plugging portion, an elastic portion and a transition portion, two sides of the transition portion respectively connect with the plugging portion and the elastic portion, the plugging portion plugs in the elastic clip hole, and the transition portion and the elastic portion are bent to form a U-shape portion, one lateral wall of the U-shape portion is the transition portion and the other lateral wall of the U-shape portion is the elastic portion; and characterized in that an opening of the U-shape portion faces to an output part of the pressing block to make the elastic portion extending from a head to a tail gradually toward the output part of the pressing block along the plugging direction of the elastic clip. a driver for converting an external power to a driving current; a light source plate; and a light source connector structure having a top portion and a bottom portion, the top portion and the bottom portion keeps a distance and clipping the light source plate between the top portion and the bottom portion, the driving current being supplied to the light source plate with a conductive path routed via the light source connector, the top portion having a light escape for a light of the light source plate passing through; wherein the top portion of the light source connector comprises a pressing block, an elastic clip, a wire and a fastener, wherein the surface of the light source plate (7702, 991) has a conductive portion, the pressing block has an elastic clip hole and a wire hole, the wire is capable of inserting into the wire hole, the wire and the elastic clip are contacted, the elastic clip electrically connects to the conductive portion of the light source plate (7702, 991) the fastener presses and connects the wire and the elastic clip together; wherein the elastic clip has a plugging portion, an elastic portion and a transition portion, two sides of the transition portion respectively connect with the plugging portion and the elastic portion, the plugging portion plugs in the elastic clip hole, and the transition portion and the elastic portion are bent to form a U-shape portion, one lateral wall of the U-shape portion is the transition portion and the other lateral wall of the U-shape portion is the elastic portion; and characterized in that an opening of the U-shape portion faces to an output part of the pressing block to make the elastic portion extending from a head to a tail gradually toward the output part of the pressing block along the plugging direction of the elastic clip.