Organic light-emitting display panel, organic light-emitting display apparatus, and voltage drop compensating method

An organic light-emitting display apparatus, comprising:

• a source voltage generator to generate a first source voltage and a second source voltage having a lower voltage level than a level of the first source voltage;
• and
• an organic light-emitting display panel which includes:
• a power input line extending in a first direction of a display area, the power input line to apply a first source voltage;
• a power transfer line extending in the first direction and connected to a center point of the power input line, the power transfer line to transfer the first source voltage to the power input line;
• a first power wire and a second power wire extending in a second direction outside the display area, the first power wire and the second power wire to supply the first source voltage to the power input line and the power transfer line;
• and
• a plurality of pixels arranged in a matrix form in the display area and connected to the power input line to receive the first source voltage through the power input line.

A voltage drop compensating method for an organic light-emitting display panel that includes a power input line extending in a first direction and through which a source voltage is applied, a power transfer line extending in the first direction and connected to a center point of the power input line to transfer the source voltage to the power input line, and first and second power wires which supply the source voltage to the power input line and the power transfer line, the voltage drop compensating method comprising:

• disconnecting the power transfer line from the first and second power wires;
• measuring a level of a voltage applied to the power transfer line;
• connecting the first and second power wires to the power transfer line and disconnecting the first and second power wires from the power input line;
• measuring a level of a voltage at one end of the power input line;
• and
• calculating a ratio of a resistance value of the power transfer line to a resistance value of the power input line.

A voltage drop compensating method for an organic light-emitting display panel that includes a power input line extending in a first direction and through which a source voltage is applied, a power transfer line extending in the first direction and is connected to a center point of the power input line to transfer the source voltage to the power input line, a voltage measurement line that measures a voltage at the center point of the power input line, and first and second power wires which supply the source voltage to the power input line and the power transfer line, the voltage drop compensating method comprising:

• measuring a resistance of the power transfer line;
• measuring the voltage at the center point of the power input line using the voltage measurement line;
• measuring a level of a current which flows through the power input line;
• and
• calculating a ratio of a resistance value of the power transfer line to a resistance value of the power input line.