ELECTRIC DISPLAY BOARD WITH LUMINOUS DEVICE DEFECT SENCING APPARATUS AND LUMINOUS DEVICE DEFECT SENCING METHOD

摘要

to the main idea of the invention is turned on only for the one pixel in a particular position when projected on a billboard, other pixels and to control the image data to match the display is turned off, as a change of driving power to the display panel when the consumption of the projection image data, and determines whether a failure of the light emitting element that is responsible for the particular pixel position . ; applying the spirit of the present invention is a match, receives the image data display panel, and in the electronic board including a driving power supply for supplying a driving power to the display panel for outputting the image a test pattern controller for transmitting the test pattern data to the display panel; And characterized by further comprising a driving power measurement for measuring the electric power supplied to the display panel from the drive power supply.