Liquid crystal display panel and method of manufacturing the same
View Patent ↗The present invention provides a liquid crystal display panel and a method of manufacturing the liquid crystal display panel capable of reducing or eliminating metal erosion in an area in which a conductive dot is formed. In some embodiments, a display panel comprises a common electrode formed on an upper substrate, a first electrode formed on a lower substrate opposing the upper substrate and configured to receive a common voltage, a conductive dot formed between the upper substrate and the lower substrate and positioned to supply the common electrode with the common voltage, an insulating layer having a contact hole exposing the first electrode, and a second electrode formed on the insulating layer to connect the conductive dot and the first electrode, wherein a cross sectional area of the conductive dot between the upper substrate and the lower substrate is greater than a cross sectional area of an opening of the contact hole.
1. A liquid crystal display panel-comprising:
a common electrode disposed on an upper substrate;
first electrodes disposed on a lower substrate opposing the upper substrate, and configured to receive a common voltage;
an insulating layer disposed on the first electrode, and having contact holes exposing the first electrodes;
second electrodes disposed on the insulating layer, and contacting the first electrodes through the contact holes; and
a conductive contact member electrically connecting the common electrode with at least one of the second electrodes,
wherein the conductive contact member overlaps a whole area of at least one of the contact holes.
2. The liquid crystal display panel of claim 1 , further comprising:
a gate line disposed on the lower substrate;
a data line crossing the gate line;
a thin film transistor connected to the gate line and the data line; and
a pixel electrode connected to the thin film transistor,
wherein the first electrodes are disposed on the same layer as the gate line.
3. The liquid crystal display panel of claim 2 , wherein the first electrode comprises at least one of chromium, aluminum, copper, molybdenum, silver, a chromium alloy, an aluminum alloy, a copper alloy, a molybdenum alloy, or a silver alloy.
4. The liquid crystal display panel of claim 3 , further comprising:
a storage voltage supply line;
a storage electrode connected to the storage voltage supply line, and overlapping the pixel electrode.
5. The liquid crystal display panel of claim 4 , wherein the storage voltage supply line is connected to the first electrode.
6. The liquid crystal display panel of claim 1 , further comprising:
a gate line disposed on the lower substrate;
a data line crossing the gate line;
a thin film transistor connected to the gate line and the data line; and
a pixel electrode connected to the thin film transistor,
wherein the first electrodes are disposed on the same layer as the data line.
7. The liquid crystal display panel of claim 6 , wherein the first electrode comprises at least one of chromium, aluminum, copper, molybdenum, titanium, a chromium alloy, an aluminum alloy, a copper alloy, a molybdenum alloy or a titanium alloy.
8. The liquid crystal display panel of claim 7 , further comprising:
a storage voltage supply line;
a storage electrode connected to the storage voltage supply line, and overlapping the pixel electrode.
9. The liquid crystal display panel of claim 8 , wherein the storage voltage supply line is connected to the first electrode.
10. The liquid crystal display panel of claim 1 , further comprising:
a storage voltage supply line;
a storage electrode connected to the storage voltage supply line, and overlapping the pixel electrode.
11. The liquid crystal display panel of claim 10 , wherein the storage voltage supply line is connected to the first electrode.
12. The liquid crystal display panel of claim 2 , further comprising:
a storage voltage supply line;
a storage electrode connected to the storage voltage supply line, and overlapping the pixel electrode.
13. The liquid crystal display panel of claim 12 , wherein the storage voltage supply line is connected to the first electrode.
14. The liquid crystal display panel of claim 6 , further comprising:
a storage voltage supply line;
a storage electrode connected to the storage voltage supply line, and overlapping the pixel electrode.
15. The liquid crystal display panel of claim 14 , wherein the storage voltage supply line is connected to the first electrode.