Conducting line terminal structure for display device
A conducting line terminal structure for a display device. The conducting line terminal structure comprises a conducting member and an insulating layer covering a first section of the conductive member. A planarization layer is formed above a second section of the conductive member and overlaps a first section of the insulating layer and a conducting layer conductively couples to a third section of the conductive member.
1 . A conducting line terminal structure, comprising:
a conducting member;
an insulating layer covering a first section of the conductive member;
a planarization layer above a second section of the conductive member and overlapping a first section of the insulating layer; and
a conducting layer conductively coupled to a third section of the conductive member.
2 . The conducting line terminal structure as in claim 1 , wherein at least two of the first, second and third sections of the conductive member are at different layer levels.
3 . The conducting line terminal structure as in claim 2 , wherein said at least two of the first, second and third sections of the conductive member are coupled through a via provided in the insulating layer.
4 . The conducting line terminal structure as in claim 1 , wherein the conducting layer extends to overlapping a second section of the insulating layer but away from the second section overlapped by the planarization layer.
5 . The conducting line terminal structure as in claim 1 , wherein the conductive layer above the third section of the conductive member further comprises a bond pad layer.
6 . The conducting line terminal structure as in claim 1 , wherein the first, second and third sections of the conductive member and the conducting layer comprises aluminum (Al), chromium (Cr) or Molybdenum (Mo).
7 . The conducting line terminal structure as in claim 5 , wherein the bond pad layer comprises indium tin oxide (ITO) or indium zinc oxide (IZO).
8 . The conducting line terminal structure as in claim 1 , wherein the first, second and third sections of the conductive member are substantially arranged in a line.
9 . The conducting line terminal structure as in claim 1 , wherein the first, second and third sections of the conductive member constitute a data line or a scan line.
10 . A method of forming conducting line terminal structure, comprising the steps of:
forming an array of adjacent conducting members;
forming an insulating layer covering a first section of each conductive member;
forming a planarization layer above a second section of the array of conductive members and overlapping a first section of the insulating layer, the planarization layer spanning between adjacent conductive members; and
forming a conducting layer conductively coupled to a third section of each conductive member and away from the second section overlapped by the planarization layer.
11 . A display device, comprising:
a display panel; and
a controller coupled to and driving the display panel to render an image in accordance with an input, wherein the display panel comprises an array substrate, and the array substrate comprises the conducting line terminal structure of claim 1 .
12 . The display device as claimed in claim 11 , wherein the display panel is a liquid crystal display (LCD) panel.
13 . The display device as claimed in claim 11 , wherein the display panel is an organic electro-luminescent display (OLED) panel.