Array substrate and display device
An array substrate and a display device are provided. The array substrate includes a display region and a peripheral region surrounding the display region. Gate lines and data lines crossing the gate lines are arranged at the display region. A static charge shielding unit is arranged at the peripheral region. The array substrate further includes a static charge releasing line connected to the static charge shielding unit, and the static charge shielding unit is configured to release static charges at the peripheral region through the static charge releasing line.
1. An array substrate, comprising a display region and a peripheral region surrounding the display region, wherein gate lines and data lines crossing the gate lines are arranged at the display region and a static charge shielding unit is arranged at the peripheral region, wherein the array substrate further comprises a static charge releasing line connected to the static charge shielding unit, and the static charge shielding unit is configured to release static charges at the peripheral region through the static charge releasing line,
wherein the static charge shielding unit comprises:
a first electrostatic protection line,
a first electrostatic protection unit, and
at least one shielding line,
wherein the first electrostatic protection line and the at least one shielding line are parallel to the gate lines,
a length of the first electrostatic protection line along the gate lines is greater than a length of the display region along the gate lines,
a length of the at least one shielding line along the gate lines is greater than a length of the display region along the gate lines,
the first electrostatic protection line is connected to the static charge releasing line through the first electrostatic protection unit, and
the at least one shielding line is directly connected to the static charge releasing line,
wherein the array substrate further comprises a second electrostatic protection line, a second electrostatic protection unit and a third electrostatic protection unit arranged at the peripheral region, and wherein the second electrostatic protection line is arranged parallel to the gate lines, each data line is connected to the second electrostatic protection line through the second electrostatic protection unit, and the second electrostatic protection line is connected to the static charge releasing line through the third electrostatic protection unit.
2. The array substrate according to claim 1 , wherein a data driving unit is arranged at the peripheral region and connected to the data lines, and the static charge shielding unit is arranged between the data driving unit and the display region.
3. The array substrate according to claim 1 , wherein the at least one shielding line comprises two shielding lines, and the first electrostatic protection line is arranged between the two shielding lines.
4. The array substrate according to claim 1 , wherein the static charge shielding unit further comprises at least one charge collection electrode connected to the at least one shielding line through a via-hole.
5. The array substrate according to claim 4 , wherein the at least one charge collection electrode is arranged between two adjacent data lines.
6. The array substrate according to claim 1 , wherein the static charge releasing line is a common electrode line.
7. The array substrate according to claim 4 , further comprising a pixel electrode which is created from a layer identical to the at least one charge collection electrode.
8. The array substrate according to claim 4 , wherein the at least one charge collection electrode is created from a layer identical to the data lines.
9. The array substrate according to claim 1 , further comprising a third electrostatic protection line, a fourth electrostatic protection unit, a fifth electrostatic protection unit and a sixth electrostatic protection unit at the peripheral region, wherein each gate line is connected to the third electrostatic protection line through the fourth electrostatic protection unit, the third electrostatic protection line is connected to the static charge releasing line through the fifth electrostatic protection unit, and the third electrostatic protection line is connected to the at least one shielding line through the sixth electrostatic protection unit.
10. The array substrate according to claim 1 , wherein the first electrostatic protection unit comprises two diode groups connected in parallel to each other, each diode group comprises at least one diode, the diodes in an identical diode group are connected to each other in an identical direction, and connection directions of the diodes in different diode groups are different.
11. The array substrate according to claim 1 wherein each of the second electrostatic protection unit and the third electrostatic protection unit comprises two diode groups connected in parallel to each other, each diode group comprises at least one diode, the diodes in an identical diode group are connected to each other in an identical direction, and connection directions of the diodes in different diode groups are different.
12. The array substrate according to claim 9 , wherein the static charge releasing line and the third static charge protection line are both arranged parallel to, and created from a layer identical to, the data lines.
13. The array substrate according to claim 1 , wherein the at least one shielding line is arranged parallel to the gate lines, and one end of the at least one shielding line is connected to the static charge releasing line.
14. The array substrate according to claim 1 , wherein the first electrostatic protection line, the second electrostatic protection line and the shielding line are created from a layer identical to the gate lines.
15. A display device comprising the array substrate according to claim 1 .
16. The array substrate according to claim 4 , wherein a projection of the at least one charge collection electrode on the array substrate is only overlapped with a projection of the at least one shielding line on the array substrate.
17. An array substrate, comprising a display region and a peripheral region surrounding the display region, wherein gate lines and data lines crossing the gate lines are arranged at the display region and a static charge shielding unit is arranged at the peripheral region, wherein the array substrate further comprises a static charge releasing line connected to the static charge shielding unit, and the static charge shielding unit is configured to release static charges at the peripheral region through the static charge releasing line,
wherein the static charge shielding unit comprises:
a first electrostatic protection line,
a first electrostatic protection unit, and
at least one shielding line,
wherein the first electrostatic protection line and the at least one shielding line are parallel to the gate lines,
a length of the first electrostatic protection line along the gate lines is greater than a length of the display region along the gate lines,
a length of the at least one shielding line along the gate lines is greater than a length of the display region along the gate lines,
the first electrostatic protection line is connected to the static charge releasing line through the first electrostatic protection unit, and
the at least one shielding line is directly connected to the static charge releasing line
wherein the array substrate further comprises a second electrostatic protection line, a second electrostatic protection unit, a third electrostatic protection unit and a fourth electrostatic protection unit at the peripheral region, wherein each gate line is connected to the second electrostatic protection line through the second electrostatic protection unit, the second electrostatic protection line is connected to the static charge releasing line through the third electrostatic protection unit, and the second electrostatic protection line is connected to the at least one shielding line through the fourth electrostatic protection unit,
and wherein each of the second electrostatic protection unit, the third electrostatic protection unit and the fourth electrostatic unit comprises two diode groups connected in parallel to each other, each diode group includes at least one diode, the diodes in an identical diode group are connected to each other in an identical direction, and connection directions of the diodes in different diode groups are different.
18. An array substrate comprising:
a display region;
a peripheral region surrounding the display region;
gate lines arranged at the display region;
a static charge shielding unit arranged at the peripheral region; and
a static charge releasing line connected to the static charge shielding unit;
wherein the static charge shielding unit is configured to release static charges at the peripheral region through the static charge releasing line, and the static charge shielding unit comprises a first electrostatic protection line, a first electrostatic protection unit, and at least one shielding line, wherein the first electrostatic protection line and the at least one shielding line are parallel to the gate lines, a length of the first electrostatic protection line along the gate lines is greater than a length of the display region along the gate lines, a length of the at least one shielding line along the gate lines is greater than a length of the display region along the gate lines, the first electrostatic protection line is connected to the static charge releasing line through the first electrostatic protection unit, and the at least one shielding line is directly connected to the static charge releasing line;
and wherein the array substrate further comprises a second electrostatic protection line, a second electrostatic protection unit and a third electrostatic protection unit arranged at the peripheral region, wherein the second electrostatic protection line is arranged parallel to the gate lines, each data line is connected to the second electrostatic protection line through the second electrostatic protection unit, and the second electrostatic protection line is connected to the static charge releasing line through the third electrostatic protection unit.