Display device having particular insulating layer
View Patent ↗A display device is disclosed, which comprises: a first substrate; a first insulating layer disposed on the first substrate; a second insulating layer disposed on the first insulating layer; and a patterned metal layer disposed on the second insulating layer and comprising plural conductive lines, wherein an opening region is located between two adjacent conductive lines to expose the second insulating layer, and a thickness of the second insulating layer under the conductive lines of the patterned metal layer is larger than that exposed from the opening region.
1. A display device, comprising:
a first substrate;
a first insulating layer disposed on the first substrate;
a second insulating layer disposed on the first insulating layer; and
a patterned metal layer disposed on the second insulating layer and comprising plural conductive lines, wherein an opening region is located between two adjacent conductive lines to expose the second insulating layer,
wherein a thickness of the second insulating layer under the conductive lines of the patterned metal layer is larger than that exposed from the opening region.
2. The display device as claimed in claim 1 , wherein the thickness of the second insulating layer exposed from the opening region is 10˜95% of that under the conductive lines.
3. The display device as claimed in claim 1 , wherein the first insulating layer is a silicon oxide layer.
4. The display device as claimed in claim 1 , wherein the second insulating layer is a silicon nitride layer.
5. The display device as claimed in claim 1 , wherein the first insulating layer comprises a first side wall, the second insulating layer comprises a second side wall, and the second side wall is protruded beyond the first side wall.
6. The display device as claimed in claim 1 , wherein a sealant is further disposed on the first substrate, and the thickness of the second insulating layer under the conductive lines of the patterned metal layer is larger than that under the sealant.
7. The display device as claimed in claim 1 , wherein the display device is an organic light emitting diode display device.
8. The display device as claimed in claim 7 , further comprising a planer layer disposed on the conductive lines of the patterned metal layer and in the opening region.
9. The display device as claimed in claim 7 , further comprising an organic light emitting diode unit, which comprises a first electrode, a second electrode and an organic light emitting layer disposed therebetween, wherein the patterned metal layer is electrically connected to the first electrode.
10. The display device as claimed in claim 1 , wherein the display device is a liquid crystal display device comprising a liquid crystal display unit, which comprises a first electrode, a second electrode and a liquid crystal layer disposed therebetween, wherein the patterned metal layer is electrically connected to the first electrode.
11. A display device, comprising:
a first substrate;
a first insulating layer disposed on the first substrate;
a second insulating layer disposed on the first insulating layer; and
a metal layer covering a part of the second insulating layer,
wherein a thickness of the second insulating layer under the metal layer is larger than that uncovered with the metal layer.
12. The display device as claimed in claim 11 , wherein the thickness of the second insulating layer uncovered with the metal layer is 10˜95% of that under the metal layer.
13. The display device as claimed in claim 11 , wherein the first insulating layer comprises a first side wall, the second insulating layer comprises a second side wall, and the second side wall is protruded beyond the first side wall.
14. The display device as claimed in claim 11 , wherein a sealant is further disposed on the first substrate, and the thickness of the second insulating layer under the metal layer is larger than that under the sealant.
15. The display device as claimed in claim 11 , wherein the display device is an organic light emitting diode display device or a liquid crystal display device.