1. An array substrate for use in an IPS-LCD device, comprising:
a gate line on a substrate and disposed in a first direction;
a common line on the substrate;
first and second common electrodes substantially perpendicularly extending from the common line;
a gate insulation layer formed on the substrate to cover the gate line, the common line and the first and second common electrodes;
a data line formed on the gate insulation layer and disposed in a second direction substantially perpendicularly crossing both the gate line and the common line to define a pixel area;
a pixel electrode on the gate insulation layer, the pixel electrode having first, second and third portions, wherein the first portion is disposed between the first and second common electrodes, the entire second portion is disposed over the second common electrode, and the third portion is disposed above the common line; and
a thin film transistor at a crossing of the gate and data lines, the thin film transistor having a gate electrode, an active layer, a source electrode and a drain electrode,
wherein the second common electrode includes a portion at a distal end, the portion being parallel to the third portion of the pixel electrode.
2. The array substrate of claim 1, wherein the third portion of the pixel electrode is disposed directly above the common line.
3. The array substrate according to claim 1, wherein a width of the second common electrode overlapped by the second portion of the pixel electrode is larger than that of the second portion of the pixel electrode by about 6 micrometers.
4. The array substrate according to claim 1, wherein a distance between the first and second portions of the pixel electrode is larger than a distance between the first portion of the pixel electrode and the second common electrode by about 3 micrometers.
5. The array substrate according to claim 1, wherein an end of the first portion of the pixel electrode is connected to the drain electrode of the thin film transistor.
6. The array substrate according to claim 1, wherein the thin film transistor further includes an ohmic contact layer on the active layer.
7. The array substrate according to claim 6, wherein the source electrode extends from the data line, the gate electrode extends from the gate line, the drain electrode extends from the first portion of the pixel electrode, the active layer is disposed above the gate electrode, and the ohmic contact layer is interposed between the active layer and the source and drain electrodes.
8. The array substrate according to claim 1, wherein the gate electrode, the gate line, the common line, the first and second common electrode, the source and drain electrodes, the data line, and the pixel electrode include one of aluminum (Al), aluminum alloy (Al alloy), chromium (Cr), molybdenum (Mo), and tungsten (W).
9. The array substrate according to claim 1, wherein the common line and the first and second common electrodes are formed as one united body.
10. The array substrate according to claim 1, wherein the pixel electrode and the drain electrode are formed as one united body.
11. The array substrate according to claim 1, wherein the third portion of the pixel electrode and a portion of the common line form a first storage capacitor with the gate insulation layer interposed therebetween.
12. The array substrate according to claim 1, wherein the second portion of the pixel electrode and the second common electrode form a second storage capacitor with the gate insulation layer interposed therebetween.
13. An array substrate for use in an IPS-LCD device, comprising:
a gate line on a substrate and disposed in a first direction;
a common line on the substrate;
first and second common electrodes substantially perpendicularly extending from the common line;
a gate insulation layer formed on the substrate to cover the gate line, the common line and the first and second common electrodes;
a data line formed on the gate insulation layer and disposed in a second direction substantially perpendicularly crossing both the gate line and the common line to define a pixel area;
a pixel electrode on the gate insulation layer, the pixel electrode having first, second and third portions, wherein the first portion is disposed between the first and second common electrodes, the entire second portion is disposed over the second common electrode, the entire second portion being spaced apart from the first portion, and the third portion is disposed above the common line; and
a thin film transistor at a crossing of the gate and data lines, the thin film transistor having a gate electrode, an active layer, a source electrode and a drain electrodes,
wherein the first and second portions of the pixel electrode perpendicularly extend directly from the third portion of the pixel electrode.
14. The array substrate of claim 13, wherein the third portion of the pixel electrode is disposed directly above the common line.
15. The array substrate according to claim 13, wherein a width of the second common electrode overlapped by the second portion of the pixel electrode is larger than that of the second portion of the pixel electrode by about 6 micrometers.
16. The array substrate according to claim 13, wherein a distance between the first and second portions of the pixel electrode is larger than a distance between the first portion of the pixel electrode and the second common electrode by about 3 micrometers.
17. The array substrate according to claim 13, wherein an end of the first portion of the pixel electrode is connected to the drain electrode of the thin film transistor.
18. The array substrate according to claim 13, wherein the thin film transistor further includes an ohmic contact layer on the active layer.
19. The array substrate according to claim 18, wherein the source electrode extends from the data line, the gate electrode extends from the gate line, the drain electrode extends from the first portion of the pixel electrode, the active layer is disposed above the gate electrode, and the ohmic contact layer is interposed between the active layer and the source and drain electrodes.
20. The array substrate according to claim 13, wherein the gate electrode, the gate line, the common line, the first and second common electrode, the source and drain electrodes, the data line, and the pixel electrode include one of aluminum (Al), aluminum alloy (Al alloy), chromium (Cr), molybdenum (Mo), and tungsten (W).
21. The array substrate according to claim 13, wherein the common line and the first and second common electrodes are formed as one united body.
22. The array substrate according to claim 13, wherein the pixel electrode and the drain electrode are formed as one united body.
23. The array substrate according to claim 13, wherein the third portion of the pixel electrode and a portion of the common line form a first storage capacitor with the gate insulation layer interposed therebetween.
24. The array substrate according to claim 13, wherein the second portion of the pixel electrode and the second common electrode form a second storage capacitor with the gate insulation layer interposed therebetween.
25. The array substrate according to claim 1, wherein the second common electrode has a width larger than the first common electrode.
26. The array substrate according to claim 25, wherein a difference in the width of the first common electrode and the second common electrode is 6 micrometers.
27. The array substrate according to claim 1, wherein a width of the second portion of the pixel electrode is smaller than a width of the second common electrode.
28. The array substrate according to claim 13, wherein the second common electrode has a width larger than the first common electrode.
29. The array substrate according to claim 28, wherein a difference in the width of the first common electrode and the second common electrode is 6 micrometers.
30. The array substrate according to claim 13, wherein a width of the second portion of the pixel electrode is smaller than a width of the second common electrode.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A structure for reinforcing a seat mounting portion of a vehicle body, comprising:
a floor panel which has a tunnel portion that protrudes in a height direction of a vehicle, and forms a bottom of a vehicle body;
side sill members which are formed to be extended in a length direction of the vehicle, and are coupled to the floor panel at both left and right sides in a width direction of the vehicle;
a seat inner member which is coupled to the tunnel portion, and on which a seat of the vehicle is mounted;
a seat cross member which is disposed to be extended in the width direction of the vehicle, and has an outer tip portion that is coupled to a side sill member of the side sill members, and an inner tip portion that is coupled to the seat inner member;
a seat outer member which is superposed on and coupled to the outer tip portion of the seat cross member, and attached to the side sill members and the floor panel, and on which the seat of the vehicle is mounted; and
a reinforcing member which is inserted into the seat outer member to reinforce rigidity.
2. The structure of claim 1, wherein:
one or each of the side sill members has a closed cross section that has a substantially quadrangular box shape and a continuous structure in a length direction thereof, and
a plurality of ribs, which is extended upward and downward in the height direction of the vehicle andor leftward and rightward in the width direction of the vehicle, is provided in the one or each of the side sill members.
3. The structure of claim 2, wherein:
the one or each of the side sill members is integrally or monolithically made by an extrusion method.
4. The structure of claim 1, wherein:
the seat cross member has a substantially \u201c\u201d-shaped cross section that is opened downward in the height direction of the vehicle, and has a continuous structure in a length direction thereof, and
the seat cross member is made by a die casting method.
5. The structure of claim 4, wherein the seat cross member includes:
a first coupling flange which is attached to an inner surface of the side sill member in the width direction of the vehicle;
second coupling flanges which are formed to be extended in a length direction thereof at both edges in a width direction thereof to be attached to the floor panel; and
a third coupling flange which is formed to be bent in a substantially \u201c\u201d shape to be attached to an outer surface of the seat inner member in the width direction of the vehicle and an upper surface of the seat inner member in the height direction of the vehicle, respectively.
6. The structure of claim 4, wherein the reinforcing member includes:
three longitudinal reinforcing members which are formed to be extended over substantially the entire length of the seat cross member, and disposed at first predetermined intervals in a width direction of the seat cross member; and
three lateral reinforcing members which are formed to be extended in the width direction of the seat cross member, and disposed at second predetermined intervals in a length direction of the longitudinal reinforcing members.
7. The structure of claim 6, wherein:
a central lateral reinforcing member, which is positioned centrally among the lateral reinforcing members, is extended while penetrating a front surface and a rear surface of the seat cross member in the length direction of the vehicle to form coupling projections that are coupled to the seat outer member.
8. The structure of claim 7, wherein:
rigid coupling protrusions, which protrude while penetrating an upper surface of the seat cross member and have triangular shapes, are formed on outer tip portions of the longitudinal reinforcing members in the width direction of the vehicle.
9. The structure of claim 1, wherein:
the seat outer member includes a plurality of coupling flanges that is superposed on the outer tip portion of the seat cross member, formed to come into close contact with an upper surface of the outer tip portion in the height direction of the vehicle and a front surface and a rear surface of the outer tip portion in the length direction of the vehicle, respectively, and attached to the seat cross member, the floor panel, and the side sill member, respectively.
10. The structure of claim 2, wherein:
the plurality of ribs is connected to each other at a central connection portion.