An electronic control module provides dual insulation layers between an internal line voltage and a separate tool housing that serves as a heat sink, thereby allowing versatility in mounting the electronic control module within the tool housing interior, and thereby also eliminating the risk of electrical shock to a user making contact with an exterior tool housing surface. A bookending function displays an advertisement before andor after a program that has been recorded on the DVR’s storage device is played to the viewer. On the first substrate below the color filter layer 110 are provided plural scan signal electrodes, plural video signal electrodes crossing the scan signal electrodes in a matrix form, plural thin film transistors formed in association with the crossing points between the electrodes. The clock signal is generally aligned with the output signal.