Display device having a circuit protection function

A display device, comprising:

• a high-voltage power supply circuit;
• an MIM-type field emission display panel to which a voltage is supplied from the high-voltage power supply circuit;
• a scan driver for scanning the field emission display panel;
• and
• a current measuring circuit for detecting a current flowing from the high-voltage power supply circuit to the field emission display panel, wherein
• an amplitude of a driver voltage supplied from the scan driver to the field emission display panel is controlled according to a value of the current detected by the current measuring circuit.

A display device, comprising:

• a high-voltage power supply circuit;
• a field emission display panel to which a voltage is supplied from the high-voltage power supply circuit;
• a video signal processing circuit for supplying a video signal to the field emission display panel;
• a data driver for supplying display data according to a signal from the video signal processing circuit to the field emission display panel;
• and
• a current measuring circuit for detecting a current flowing from the high-voltage power supply circuit to the field emission display panel, wherein
• an output supplied from the data driver to the field emission display panel is controlled when the current measuring circuit detects a first current value and the video signal processing circuit is controlled when the current measuring circuit detects a second current value.

A display device, comprising:

• a high-voltage power supply circuit;
• a field emission display panel to which a voltage is supplied from the high-voltage power supply circuit;
• a video signal processing circuit for supplying a video signal to the field emission display panel;
• a data driver for supplying display data according to a signal from the video signal processing circuit to the field emission display panel;
• a scan driver for scanning the field emission display panel;
• and
• a current measuring circuit for detecting a current flowing from the high-voltage power supply circuit to the field emission display panel, wherein
• an output supplied from the scan driver to the field emission display panel is controlled when the current measuring circuit detects a first current value and the video signal processing circuit is controlled when the current measuring circuit detects a second current value.

A display, comprising:

• a field emission display module including a high-voltage power supply circuit,
• a field emission display panel to which a voltage is supplied from the high-voltage power supply circuit,
• a scan driver for scanning the field emission display panel, and
• a current measuring circuit for detecting a current flowing from the high-voltage power supply circuit to the field emission display panel, and
• a video signal processing circuit for supplying a video signal to the field emission display module,
• wherein an output from the scan driver is controlled according to a current value detected by the current measuring circuit and an output signal from the current measuring circuit is outputted from a terminal disposed in the field emission display module to be used by an external circuit, the external circuit driving the field emission display module.

A display device, comprising:

• a field emission display module including a high-voltage power supply circuit,
• a field emission display panel to which a voltage is supplied from the high-voltage power supply circuit,
• a scan driver for scanning the field emission display panel,
• a data driver for supplying display data to the field emission display panel, and
• a current measuring circuit for detecting a current flowing from the high-voltage power supply circuit to the field emission display panel, and
• a video signal processing circuit for supplying a video signal to the field emission display module,
• wherein an output from the data driver is controlled according to a current value detected by the current measuring circuit and an output signal from the current measuring circuit is outputted from a terminal disposed in the field emission display module to be used by an external circuit, the external circuit driving the field emission display module.

A display device, comprising:

• a high-voltage power supply circuit;
• a display panel to which a voltage is supplied from the high-voltage power supply circuit;
• a video signal processing circuit for supplying a video signal to the display panel;
• a data driver for supplying display data according to a signal from the video signal processing circuit to the display panel;
• and
• a current measuring circuit for detecting a current flowing from the high-voltage power supply circuit to the display panel, wherein
• an output supplied from the data driver to the display panel is controlled when the current measuring circuit detects a first current value and the video signal processing circuit is controlled when the current measuring circuit detects a second current value.

A display device, comprising:

• a high-voltage power supply circuit;
• a display panel to which a voltage is supplied from the high-voltage power supply circuit;
• a video signal processing circuit for supplying a video signal to the display panel;
• a data driver for supplying display data according to a signal from the video signal processing circuit to the display panel;
• a scan driver for scanning the display panel;
• and
• a current measuring circuit for detecting a current flowing from the high-voltage power supply circuit to the display panel, wherein
• an output supplied from the scan driver to the display panel is controlled when the current measuring circuit detects a first current value and the video signal processing circuit is controlled when the current measuring circuit detects a second current value.