| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting device that can inhibit a mutual thermal effect of a light emitting device and a circuit component by a simple structure by dividing a light emitting device substrate and a circuit component substrate and arranging them provided with steps. <P>SOLUTION: The invention relates to the lighting device 1 including the light emitting device substrate 2 on which a light emitting device 21 is mounted, the circuit component substrate 3 on which a circuit component P that controls illumination of the light emitting device 21 is mounted, and a means 4 to be attached in which the circuit component substrate 3 is located around the light emitting device substrate 2, the light emitting device substrate 2 is arranged with the steps so as to protrude to the front side with respect to the circuit component substrate 3, and the light emitting device substrate 2 and the circuit component substrate 3 are attached. <P>COPYRIGHT: (C)2011,JPO&INPIT |
