Array substrate having color filter on the film transistor structure for LCD device and method of fabricating the same
View Patent ↗An array substrate device includes a gate line formed on a substrate extending along a first direction having a gate electrode, a data line formed on the substrate extending along a second direction having a data pad disposed apart from a first end of the data line, the data and gate lines defining a pixel region, a gate pad formed on the substrate disposed apart from a first end of the gate line, a thin film transistor formed at a crossing region of the gate and data lines and including the gate electrode, a semiconductor layer, a source electrode, and a drain electrode, a black matrix overlapping the thin film transistor, the gate line, and the data line except for a first portion of the drain electrode, a first pixel electrode at the pixel region contacting the first portion of the drain electrode and the substrate, a color filter on the first pixel electrode at the pixel region, and a second pixel electrode on the color filter contacting the first pixel electrode.
1. A liquid crystal display device, comprising:
first and second substrates facing each other, the first substrate having a display area, a non-display area and a boundary area, the boundary area disposed between the display area and the non-display area;
a plurality of gate lines on the first substrate within the display area;
a plurality of gate pads on the first substrate within the non-display area;
a plurality of gate link lines on the substrate disposed in the non-display area and in the boundary area connecting the gate lines to the gate pads;
a plurality of data lines crossing the gate lines to define a plurality of pixel region;
a plurality of thin film transistors adjacent to the crossing of the gate and data lines;
a first insulating layer on the thin film transistors;
a color filter layer on the first insulating layer in the pixel region;
a second insulating layer on the color filter layer;
a light-shielding pattern in the non-display area and the boundary area corresponding to the gate link lines and spaces between the gate link lines;
a pixel electrode on the second insulating layer in the pixel region, the pixel electrode electrically connected to a drain electrode of the thin film transistor through a contact hole passing through at least the first and second insulating layers; and
a liquid crystal between the first and second substrates.
2. The device according to claim 1 , wherein at least one of the first and second insulating layers includes an inorganic insulating material.
3. The device according to claim 1 , wherein the color filter layer is directly on the first insulating layer.
4. The device according to claim 1 , wherein the second insulating layer is directly on the color filter layer.
5. The device according to claim 1 , wherein the thin film transistor includes a first semiconductor layer of an intrinsic amorphous silicon and a second semiconductor layer of an extrinsic amorphous silicon.
6. The device according to claim 1 , further comprising a black matrix on the first insulating layer over the thin film transistor.
7. The device according to claim 6 , wherein the black matrix includes an organic material.