An electroluminescent display apparatus comprising: a display screen including: a plurality of gate signal lines; a plurality of source signal lines; and a plurality of pixels arranged in a matrix, each pixel corresponding to an intersection of the plurality of gate signal lines (17a, 17b) and the plurality of source signal lines, wherein each pixel includes: an EL device including an anode terminal and a cathode terminal, the cathode terminal being connected directly to a constant common reference voltage; a driving transistor to flow a current to the EL device; a first switch transistor provided on a current path through which the current flows from a power line through the driving transistor to the EL device; a second switch transistor to supply, to the driving transistor, an image signal supplied from one of the plurality of source signal lines; and a third switch transistor provided between the anode terminal of the EL device and a reverse bias voltage line, the reverse bias voltage line configured to supply a reverse bias voltage (Vm) for reverse biasing the anode terminal of the EL device; wherein during a reverse biasing period, the reverse bias voltage, which is a negative voltage relative to the constant common reference voltage, is supplied to the anode terminal of the EL device, and wherein both during the reverse biasing period and during a lighting state period of the EL device, the constant common reference voltage is supplied to the cathode terminal of the EL device. a display screen including: a plurality of gate signal lines; a plurality of source signal lines; and a plurality of pixels arranged in a matrix, each pixel corresponding to an intersection of the plurality of gate signal lines (17a, 17b) and the plurality of source signal lines, a plurality of gate signal lines; a plurality of source signal lines; and a plurality of pixels arranged in a matrix, each pixel corresponding to an intersection of the plurality of gate signal lines (17a, 17b) and the plurality of source signal lines, wherein each pixel includes: an EL device including an anode terminal and a cathode terminal, the cathode terminal being connected directly to a constant common reference voltage; a driving transistor to flow a current to the EL device; a first switch transistor provided on a current path through which the current flows from a power line through the driving transistor to the EL device; a second switch transistor to supply, to the driving transistor, an image signal supplied from one of the plurality of source signal lines; and a third switch transistor provided between the anode terminal of the EL device and a reverse bias voltage line, the reverse bias voltage line configured to supply a reverse bias voltage (Vm) for reverse biasing the anode terminal of the EL device; an EL device including an anode terminal and a cathode terminal, the cathode terminal being connected directly to a constant common reference voltage; a driving transistor to flow a current to the EL device; a first switch transistor provided on a current path through which the current flows from a power line through the driving transistor to the EL device; a second switch transistor to supply, to the driving transistor, an image signal supplied from one of the plurality of source signal lines; and a third switch transistor provided between the anode terminal of the EL device and a reverse bias voltage line, the reverse bias voltage line configured to supply a reverse bias voltage (Vm) for reverse biasing the anode terminal of the EL device; wherein during a reverse biasing period, the reverse bias voltage, which is a negative voltage relative to the constant common reference voltage, is supplied to the anode terminal of the EL device, and wherein both during the reverse biasing period and during a lighting state period of the EL device, the constant common reference voltage is supplied to the cathode terminal of the EL device.