Light emitting display panel and light emitting display apparatus using the same
A light emitting display panel and a light emitting display apparatus using the same are disclosed, in which a gate driver is built in a display area and a low voltage supply line is provided in a non-display area. Each pixel in the display area includes a light emitting diode and a pixel driving circuit for driving the light emitting diode. The light emitting diode is connected with a high voltage line to which a first driving voltage is supplied, and is connected with a display area low voltage supply line to which a second driving voltage is supplied.
1. A light emitting display panel comprising:
a display area configured to output an image, and provided with pixels, gate lines and data lines; and
a non-display area configured to not output an image, and surrounding the display area,
wherein each of the pixels includes a light emitting diode and a pixel driving circuit for driving the light emitting diode,
the light emitting diode is connected with a high voltage line to which a first driving voltage is supplied, and is connected with a display area low voltage supply line to which a second driving voltage is supplied,
the display area is provided with a gate driver configured to output gate signals to the gate lines, and
the non-display area is provided with a low voltage supply line connected with the display area low voltage supply line,
wherein the display area includes:
a first panel layer provided with transistors constituting the gate driver; and
a second panel layer provided with the light emitting diode and transistors constituting the pixel driving circuit, the second panel layer being provided on the first panel layer,
wherein a gate line among the gate lines is provided in the first panel layer, and is connected with the pixel driving circuit provided in the pixels provided along the gate line through gate extension lines provided in contact holes provided in the first panel layer and the second panel layer, and
wherein the display area low voltage supply line is provided between the first panel layer and the second panel layer.
2. The light emitting display panel of claim 1 , wherein the display area includes:
a first display area provided with a first gate driver constituting the gate driver;
a second display area provided with a second gate driver constituting the gate driver; and
a third display area provided between the first display area and the second display area.
3. The light emitting display panel of claim 2 , wherein the transistors constituting the gate driver are overlapped with pixel driving circuits and light emitting diodes in the first display area and the second display area, and
the pixel driving circuits and the light emitting diodes are provided in the third display area.
4. The light emitting display panel of claim 1 , wherein the transistors constituting the pixel driving circuit and the transistors constituting the gate driver are provided on their respective layers different from each other.
5. The light emitting display panel of claim 4 , wherein semiconductor layers that form the transistors constituting the gate driver and semiconductor layers that form the transistors constituting the pixel driving circuit are formed of their respective materials different from each other.
6. A light emitting display apparatus comprising:
the light emitting display panel of claim 1 ;
a data driver configured to supply data voltages to the data lines; and
a controller configured to control functions of the gate driver and the data driver.