| 摘要 |
PROBLEM TO BE SOLVED: To provide a line light irradiation device with irradiance unevenness eliminated.SOLUTION: Of the line light lighting device provided with a light-emitting unit made up of a plurality of LED packages arrayed in a row on a long-size substrate along a length direction, and a long-size convergent member fitted along a length direction at an upper part of the light-emitting unit, each LED package is provided with a plurality of LED elements arranged at a given interval so as to be positioned at an intersection of a lattice along a first direction and a second direction different from the first, and it is so set that an arraying direction of the LED package and the first direction as well as the second direction of the LED elements are to be different from each other. |
