the foregoing aspects and many of the intended advantages of this invention will become more readily appreciated as the same becomes better understood by reference to the following detailed description , when taken in conjunction with the accompanying drawings , wherein : the present invention provides a light source spotlighted device using in the scan device to increase qualities of scanning image by using the light source spotlighted device , which comprises lens components , of the present invention . following description is the first embodiment of the present invention and a scope of the present invention is not limited . referring to fig2 this shows a diagram of the first embodiment of the light source spotlighted device of the present invention . at first , the present invention provides a light assembly 100 , wherein the light assembly 100 can move along the first axial x of a scanning plate 110 . a plurality of block luminous bodies 120 , such as : light emitting diode ( led ), is arranged along the second axial y of the scanning plate 110 on the base 105 of the light assembly 100 , wherein the first axial x and the second axial y are perpendicular to one anotherand there is a gap 130 between any two of the block luminous bodies . then a condensing cover 200 is assembled on the base 105 of the light assembly 100 , wherein a material of the condensing cover 200 is a transparent material and the condensing cover 200 comprises the first dispersing structure 202 and the second condensing structure 204 . the first dispersing structure 202 is a part of the condensing cover that is nearer to the base 105 of the light assembly and comprises a plural of concave lenses 132 , wherein each concave lens 132 is corresponding to each block luminous body 120 and is in the third axial z of each block luminous body 120 . a top of the inside second condensing structure 204 comprises a plural of convex lenses 210 and each convex lens 210 is in the third axial z of each block luminous body 120 , wherein the third axial z is vertical to the first axial x and the second axial y . when the plurality of block luminous bodies 120 is drove to shoot light , the light will be dispensed in the second axial y by using the concave lenses 132 of the first dispersing structure 202 and the light will be condensed uniformly along the first axial x by using the convex lenses 210 of the second condensing structure 204 to form a banding shining area on the scanning plate 110 , wherein the banding shining area will be moved on the scanning plate 110 following the light assembly 100 . because the light is dispersed uniformly in the second axial y by using the concave lenses 132 , the brightness of the banding shining area showing on the scanning plate 110 in the second axial y will become more uniform and have no dim area defect . because the light is condensed by the convex lenses 210 in the first axial x , a length of the banding shining area showing on the scanning plate 110 in the first axial x will become shorter and the brightness of the banding shining area will become brighter than in the second axial y to increase the qualities of scanning image . following description is the second embodiment of the present invention and a scope of the present invention is not limited . referring to fig3 a , this shows a diagram of the second embodiment of the light source spotlighted device of the present invention . referring to fig3 b , this shows a lateral view diagram of the second embodiment of the light source spotlighted device of the present invention . at first , the present invention provides a light assembly 300 , wherein the light assembly 300 can move along the first axial x of a scanning plate 310 . a plurality of block luminous bodies 320 , such as : light emitting diode ( led ), is arranged along the second axial y of the scanning plate 310 on the base 305 of the light assembly 300 , wherein the first axial x and the second axial y are perpendicular to one another . there is a gap 330 between any two of the block luminous bodies and a length of the gap is decided following needs of processes and products . then a condensing cover 400 is assembled on the base 305 of the light assembly 300 , wherein a material of the condensing cover 400 is a transparent material and comprises the first sidewall 410 and the second sidewall 420 . the first sidewall 410 of the condensing cover 400 comprises a concave mirror 415 and the second sidewall 420 of the condensing cover 400 comprises a convex mirror 425 and the edge bottom 422 of the convex mirror 425 . when the plurality of block luminous bodies is drove to shoot light 322 , the light 322 will be condensed in the first axial x by using a reflex of the concave mirror 415 , which is assembled on the first sidewall 410 of the condensing cover 400 , and then the light is reflexed from the concave mirror 415 to the convex mirror 425 , which is assembled on the second sidewall 420 of the condensing cover 400 to be disperse uniformly in the second axial y . the light 322 will be projected on the scanning plate 310 to form a banding shining area by reflexing of the concave mirror 415 and the convex mirror 425 , wherein the banding shining area will be moved on the scanning plate 310 following the light assembly 300 . because the light is condensed by reflexing of the concave mirror 415 in the first axial x , a length of the banding shining area showing on the scanning plate 310 in the first axial x will become shorter and the brightness of the banding shining area will become brighter than in the second axial y to increase the qualities of scanning image . because the light is dispersed uniformly in the second axial y by reflexing of the convex mirror 425 , the brightness of the banding shining area showing on the scanning plate 310 in the second axial y will become more uniform and have no dim area defect . following description is the second embodiment of the present invention and a scope of the present invention is not limited . referring to fig4 a , this shows a diagram of the third embodiment of the light source spotlighted device of the present invention . referring to fig4 b , this shows a lateral view diagram of the third embodiment of the light source spotlighted device of the present invention . at first , the present invention provides a light assembly 500 , wherein the light assembly 500 can move along the first axial x of a scanning plate 510 . a plurality of block luminous bodies 520 , such as : light emitting diode ( led ), is arranged along the second axial y of the scanning plate 510 on the base 505 of the light assembly 500 , wherein the first axial x and the second axial y are perpendicular to one another . there is a gap 530 between any two of the block luminous bodies and a length of the gap is decided following needs of processes and products . then a condensing cover 600 is assembled on the base 505 of the light assembly 500 , wherein a material of the condensing cover 600 is a transparent material and comprises the first sidewall 610 and the second sidewall 620 . the first sidewall 610 of the condensing cover 600 comprises a concave mirror 615 and the second sidewall 620 of the condensing cover 600 comprises a concave lens 625 and the concave bottom 622 of the convex mirror 625 . when the plurality of block luminous bodies is drove to shoot light 522 , the light 522 will be condensed in the first axial x by using a reflex of the concave mirror 615 , which is assembled on the first sidewall 610 of the condensing cover 600 , and then the light is reflexed form the concave mirror 615 to the concave lens 625 , which is assembled on the second sidewall 620 of the condensing cover 600 to be disperse uniformly in the second axial y . the light 522 will be projected on the scanning plate 510 to form a banding shining area by reflexing of the concave mirror 615 and refracting of the concave lens 625 , wherein the banding shining area will be moved on the scanning plate 510 following the light assembly 500 . because the light is condensed by reflexing of the concave mirror 615 in the first axial x , a length of the banding shining area showing on the scanning plate 510 in the first axial x will become shorter and the brightness of the banding shining area will become brighter than in the second axial y to increase the qualities of scanning image . because the light is dispersed uniformly in the second axial y by refracting of the concave lens 625 , the brightness of the banding shining area showing on the scanning plate 510 in the second axial y will become more uniform and have no dim area defect . in accordance with the present invention , the present invention provides a light source spotlighted device using in the scan device to increase qualities of scanning image by using the light source spotlighted device , which comprises lens components , of the present invention . at first , the present invention provides a light assembly , wherein the light assembly can move along the first axial of a scanning plate . a plurality of block luminous bodies , such as : light emitting diode , is arranged along the second axial of the scanning plate on the base of the light assembly , wherein the first axial and the second axial are perpendicular to one another . there is a gap between any two of the block luminous bodies a length of the gap is decided following needs of processes and products . there are three embodiments of the present invention but a scope of the present invention is not limited . in the first embodiment of the present invention , a condensing cover is divided into the first dispersing structure and the second condensing structure . the first dispersing structure is a part of the condensing cover that is nearer to the base of the light assembly and comprises a plural of concave lenses , wherein each concave lens is corresponding to each block luminous body and is in the third axial of each block luminous body . a material of the condensing cover is a transparent material and a top of the inside second condensing structure comprises a plural of convex lenses . each convex lens is in the third axial of each block luminous body , wherein the third direction of the third axis is vertical to the first axial and the second axial . when the plurality of block luminous bodies shoots light , the light will be dispersed uniformly in the second axial by using the concave lenses of the first dispersing structure and will be condensed along the first axial by using the convex lenses of the second condensing structure to form a banding shining area , whose brightness is more uniform and have no dim area defect , on the scanning plate . in the second embodiment of the present invention , a condensing cover is assembled on the base of the light assembly at first , wherein a material of the condensing cover is a transparent material and comprises the first sidewall and the second sidewall . the first sidewall of the condensing cover comprises a concave mirror and the second sidewall of the condensing cover comprises a convex mirror . when the plurality of block luminous bodies shoots light , the light will be condensed in the first axial by using a reflex of the concave mirror and then the light is reflexed from the concave mirror to the convex mirror to be disperse uniformly in the second axial . the light will be projected on the scanning plate to form a banding shining area , whose brightness is more uniform and have no dim area defect , by reflexing of the concave mirror and the convex mirror . in the third embodiment of the present invention , a condensing cover is assembled on the base of the light assembly at first , wherein a material of the condensing cover is a transparent material and comprises the first sidewall and the second sidewall . the first sidewall of the condensing cover comprises a concave mirror and the second sidewall of the condensing cover comprises a concave lens . when the plurality of block luminous bodies shoots light , the light will be condensed in the first axial by using a reflex of the concave mirror and then the light is reflexed from the concave mirror to the concave lens to be disperse uniformly in the second axial . the light will be projected on the scanning plate to form a banding shining area , whose brightness is more uniform and have no dim area defect , by reflexing of the concave mirror and refracting of the concave lens . the light source spotlighted device of the present invention can also increase the brightness of the banding shining area of the scanning plate and increase the light uniform level of the banding shining area of the scanning plate . although specific embodiments have been illustrated and described , it will be obvious to those skilled in the art that various modifications may be made without departing from what is intended to be limited solely by the appended claims .