| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a light source device which achieves accurate gradation expression without luminance unevenness using a semiconductor light emitting device array. <P>SOLUTION: A light source device includes: plural rows of G-LD array sections 18 where plural G-LDs are connected in series in each row as a unit; temperature sensors 31, 31 for detecting temperature at plural row positions in different heat environments with respect to the G-LD array sections 18; and a light source drive section 32 and a CPU 38 for dividing plural rows of LDs to control their drive states, respectively, on the basis of the detection result. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
