| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a broken light emitting element detection system which promptly discriminates which light emitting element is broken among a plurality of light emitting elements arranged on a light emitting element substrate and does not apply a load such as internal heat to a device with the light emitting element substrate. <P>SOLUTION: The broken light emitting element detection system is provided with a resistor part 10 formed by serially connecting m-pieces of resistors R which are the same number as the number of LED elements 110 serially connected to an i-column LED substrate 100i, and connected to the i-column LED substrate 100i by a substrate connection part 130 and a detector connection part 20. Then, when a prescribed voltage is applied from a power supply 120, since a prescribed current flows to each LED element 110 provided at the i-column LED substrate 100i by each resistor R, the broken LED element 110 is detected by checking the LED element 110 which does not emit light. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
