| 摘要 |
PROBLEM TO BE SOLVED: To provide an LED light source device capable of uniformizing brightness distribution.SOLUTION: An LED light source device includes: a long and narrow substrate 200 having a front surface 201 and a back surface 202; a plurality of LED chips 300 supported on the front surface 201 of the substrate 200; and a diffusion cover 700 having a part located on the side opposite to the substrate 200 with respect to the plurality of LED chips 300 and transmitting light from the plurality of LED chips 300 while diffusing the light. The diffusion cover 700 has a storage space 702 for storing at least a part of the substrate 200 in the longitudinal direction in a z-direction whole region. |
