Display panel and liquid crystal display including signal lines
View Patent ↗A liquid crystal display includes a plurality of signal lines. The signal lines are parallel to each other in a display area, the distances between the signal lines vary such that the signal lines are arranged like a fan in a fan-out area, and the signal lines are connected to a driving circuit in a connection area. Each signal line includes a single-layered portion and a double-layered portion located in the fan-out area, and the length of the single-layered portion of relatively longer signal line is relatively shorter.
1. A display panel including a plurality of signal lines, each signal line including a first portion and a second portion, the display panel comprising:
a first area including the first portions of the signal lines; and
a second area including the second portions of the signal lines,
where the first portions of the signal lines have substantially the same length, the second portions of the signal lines have different lengths, the second portion of each signal line includes a third portion and a fourth portion including at least one layer, and the number of layers in the third portion is smaller than the number of layers in the fourth portion.
2. The display panel of claim 1 , wherein the length of the third portion of each signal line depends on the entire length of the signal line.
3. The display panel of claim 2 , wherein the length of the third portion of relatively longer signal line is relatively shorter.
4. The display panel of claim 3 , wherein the length of the third portion of each signal line is inversely proportional to the entire length of the signal line.
5. The display panel of claim 4 , wherein each signal line further comprises a fifth portion for connection with outside, and the display panel further comprises a third area including the fifth portions of the signal lines and located opposite the first area with respect to the second area.
6. The display panel of claim 5 , wherein the signal lines are arranged like a fan in the second area.
7. The display panel of claim 6 , wherein the length of the signal line closer to edges of the second area is longer.
8. The display panel of claim 5 , further comprising a driving circuit connected to the signal lines in the third area and supplying signals to the signal lines.
9. The display panel of claim 8 , wherein the driving circuit is chip-mounted on the display panel.
10. The display panel of claim 8 , further comprising a printed circuit mounting the driving circuit and including a plurality of conductive lines for electrical connection between the driving circuit and an external device, the conductive lines connected to the signal lines in the third area.
11. The display panel of claim 2 , wherein the third portion of each signal line has a single-layered structure and the fourth portion of each signal line has a double-layered structure.