Display panel and display device
A gate-in-panel (GIP) display panel and a device are discussed, which are capable of resolving an output deviation between shift clock lines disposed in a bezel area and easily achieving a narrow bezel. The display panel can include an active area configured to display an image, and a bezel area disposed around the active area. Further, a ground area, a clock line area, a GIP circuit area, and a low-voltage line area can be disposed in the bezel area, and the clock line area can be disposed closest to the active area.
1 . A display panel comprising:
an active area configured to display an image; and
a bezel area disposed around the active area,
wherein a ground area, a clock line area, a gate-in-panel (GIP) circuit area, and a low-voltage line area are disposed in the bezel area,
wherein a ground line is disposed in the ground area,
wherein a low-voltage supply line is disposed in the low-voltage line area,
wherein a first clock line carrying a first clock signal and a second clock line carrying a second clock signal different from the first clock signal are disposed in the clock line area,
wherein the gate-in-panel circuit area includes a circuit comprising at least one transistor and one capacitor, and
wherein the clock line area is disposed closest to the active area so the first clock line and the second clock line are closer to the active area than the ground line, the low-voltage supply line, and at least one transistor and one capacitor of the GIP circuit area.
2 . The display panel according to claim 1 , wherein the ground area, the gate-in-panel circuit area, the low-voltage line area, and the clock line area are sequentially disposed in a direction from an edge of the display panel to the active area.
3 . The display panel according to claim 1 , wherein the active area includes:
a first metal pattern disposed on a substrate to block light;
a buffer layer disposed on the substrate to cover the first metal pattern;
a thin film transistor (TFT) and a capacitor disposed on the buffer layer;
a protective layer and a planarization layer disposed on the substrate to cover the thin film transistor and the capacitor; and
a light-emitting element disposed on the planarization layer, the light-emitting element including an anode, an organic compound layer, and a cathode, wherein:
the cathode extends to a predetermined area of the bezel area, and
all shift clock signal lines disposed in the clock line area overlap the cathode.
4 . The display panel according to claim 3 , wherein the ground line disposed in the ground area, the shift clock signal lines, and the low-voltage supply line disposed in the low-voltage line area are disposed on a same layer as a layer of the first metal pattern.
5 . The display panel according to claim 4 , wherein the ground line disposed in the ground area, the shift clock signal lines, and the low-voltage supply line disposed in the low-voltage line area are formed as a double metal structure in which the first metal pattern and a material of a gate electrode of the thin film transistor are stacked.
6 . The display panel according to claim 3 , wherein the gate-in-panel circuit area is disposed on a same layer as a layer of the thin film transistor and the capacitor.
7 . A display device comprising:
the display panel according to claim 1 ; and
a display panel driving circuit configured to drive the display panel.
8 . The display device according to claim 7 , wherein the ground area, the gate-in-panel circuit area, the low-voltage line area, and the clock line area are sequentially disposed in a direction from an edge of the display panel to the active area.
9 . The display device according to claim 7 , wherein the active area includes:
a first metal pattern disposed on a substrate to block light;
a buffer layer disposed on the substrate to cover the first metal pattern;
a thin film transistor (TFT) and a capacitor disposed on the buffer layer;
a protective layer and a planarization layer disposed on the substrate to cover the thin film transistor and the capacitor; and
a light-emitting element disposed on the planarization layer, the light-emitting element including an anode, an organic compound layer, and a cathode, wherein:
the cathode extends to a predetermined area of the bezel area, and
all shift clock signal lines disposed in the clock line area overlap the cathode.
10 . The display device according to claim 9 , wherein a ground line disposed in the ground area, the shift clock signal lines, and a low-voltage supply line disposed in the low-voltage line area are disposed on a same layer as a layer of the first metal pattern.
11 . The display device according to claim 10 , wherein the ground line disposed in the ground area, the shift clock signal lines, and the low-voltage supply line disposed in the low-voltage line area are formed as a double metal structure in which the first metal pattern and a material of a gate electrode of the thin film transistor are stacked.
12 . The display device according to claim 9 , wherein the gate-in-panel circuit area is disposed on a same layer as a layer of the thin film transistor and the capacitor.