Flat panel display device, method of aging the same, and method of testing lighting of the same

A method of testing lighting of a flat panel display device comprising a plurality of scan lines, a plurality of data lines, a pixel portion including a first pixel column in which at least one first pixel for displaying a first color and at least one second pixel configured display a second color are arranged in a direction parallel to the plurality of data lines, a second pixel column in which at least one first pixel and at least one second pixel are arranged in a direction parallel to the plurality of data lines, and a third pixel column in which third pixels configured to display a third color are arranged in a direction parallel to the plurality of data lines, and a lighting tester configured to apply lighting test voltages to the first, second and third pixel columns through the plurality of data lines, said at least one first pixel of the first pixel column and said at least one second pixel in the second pixel column being coupled to the same scan line, the method comprising:

• electrically connecting the first pixel column to a first test power source and electrically connecting the second pixel column to a second test power source whenever a first control signal is supplied to the lighting tester, a first voltage supplied from the first test power source being applied to the first pixel column, a second voltage supplied from the second test power source being applied to the second pixel column;
• electrically connecting the first pixel column to the second test power source and electrically connecting the second pixel column to the first test power source whenever a second control signal is supplied to the lighting tester, the second voltage being applied to the first pixel column and the first voltage being applied to the second pixel column, both of the first voltage and the second voltage being non-zero lighting test voltages for lighting the first and second pixel columns;
• and
• supplying scan signals to the scan lines, the first and second control signals being synchronized with the scan signals.

A method of aging a flat panel display device comprising a plurality of scan lines, a plurality of data lines, a pixel portion including a first pixel column in which at least one first pixel configured display a first color and at least one second pixel for displaying a second color are arranged in a direction parallel to the plurality of data lines, a second pixel column in which at least one first pixel and at least one second pixel are arranged in a direction parallel to the plurality of data lines, and a third pixel column in which third pixels for displaying a third color are arranged in a direction parallel to the plurality of data lines, and a lighting tester configured apply aging voltages to the first, second and third pixel columns through the plurality of data lines, said at least one first pixel of the first pixel column and said at least one second pixel in the second pixel column being coupled to the same scan line, the method comprising:

• connecting a first, a second and a third interconnections to a first, a second and a third aging power sources, respectively, a first voltage supplied to the first interconnection from the first aging power source, a second voltage supplied to the second interconnection from the second aging power source;
• electrically connecting the first pixel column to the first interconnection and electrically connecting the second pixel column to the second interconnection whenever a first control signal is supplied to the lighting tester, the first voltage being applied to the first pixel column through the first interconnection, a second voltage being applied to the second pixel column through the second interconnection;
• electrically connecting the first pixel column to the second interconnection and electrically connecting the second pixel column to the first interconnection whenever a second control signal is supplied to the lighting tester, the second voltage being applied to the first pixel column through the second interconnection and the first voltage being applied to the second pixel column through the first interconnection, both of the first voltage and the second voltage being non-zero aging voltages for aging the first and second pixel columns;
• electrically connecting the third pixel column to the third interconnection whenever a third control signal is supplied to the lighting tester;
• and
• supplying scan signals to the scan lines, the first and second control signals being synchronized with the scan signals.

A display device, comprising:

• a scan driver configured to apply scan signals to a plurality of scan lines;
• a data driver configured to apply data signals to a plurality of data lines;
• a plurality of first pixels disposed in a first column, configured to display a first color, and electrically connected to a first data line of the data lines;
• a plurality of second pixels disposed in the first column, configured to display a second color, and electrically connected to the first data line of the data lines;
• a plurality of third pixels disposed in a second column, configured to display a third color, and electrically connected to a second data line of the data lines;
• and
• a lighting tester comprising:
• a first transistor including an end electrically connected to the first data line;
• a second transistor including an end electrically connected to the first data line;
• a third transistor including an end electrically connected to the second data line;
• a first interconnection connected to another end of the first transistor;
• a second interconnection connected to another end of the second transistor;
• a third interconnection connected to another end of the third transistor;
• a first control interconnection connected to a gate of the first transistor;
• a second control interconnection connected to a gate of the second transistor;
• and
• a third control interconnection connected to a gate of the third transistor,
• wherein the first interconnection is configured to supply a first voltage, the second interconnection is configured to supply a second voltage, and the third interconnection is configured to supply a third voltage,
• wherein the first control interconnection is configured to supply a first control signal, the second control interconnection is configured to supply a second control signal, and the third control interconnection is configured to supply a third control signal,
• wherein the lighting tester is disposed outside of an area where the first, the second, and the third pixels are disposed,
• wherein both of the first voltage and the second voltage are supplied to the first column through the first data line, and
• wherein each of the first voltage, the second voltage, and the third voltage is supplied from test power sources for lighting the first and second columns.

A display device, comprising:

• a scan driver configured to apply scan signals to a plurality of scan lines;
• a data driver configured to apply data signals to a plurality of data lines;
• a plurality of first pixels disposed in a first column, configured to display a first color, and electrically connected to a first data line of the data lines;
• a plurality of second pixels disposed in the first column, configured to display a second color, and electrically connected to the first data line of the data lines;
• a plurality of third pixels disposed in a second column, configured to display a third color, and electrically connected to a second data line of the data lines;
• and
• a lighting tester comprising:
• a first transistor including an end electrically connected to the first data line;
• a second transistor including an end electrically connected to the first data line;
• a third transistor including an end electrically connected to the second data line;
• a first interconnection connected to another end of the first transistor;
• a second interconnection connected to another end of the second transistor;
• a third interconnection connected to another end of the third transistor;
• a first control interconnection connected to a gate of the first transistor;
• a second control interconnection connected to a gate of the second transistor;
• and
• a third control interconnection connected to a gate of the third transistor,
• wherein the first interconnection is configured to supply a first voltage, the second interconnection is configured to supply a second voltage, and the third interconnection is configured to supply a third voltage,
• wherein the first control interconnection is configured to supply a first control signal, the second control interconnection is configured to supply a second control signal, and the third control interconnection is configured to supply a third control signal,
• wherein the lighting tester is disposed outside of an area where the first, the second, and the third pixels are disposed,
• wherein both of the first voltage and the second voltage are supplied to the first column through the first data line, and
• wherein each of the first voltage, the second voltage, and the third voltage is supplied from aging power sources for aging the first and second columns.