Liquid crystal display and method of forming the same
A liquid crystal display and a method of forming the same are disclosed. The method of forming the liquid crystal display comprises: forming a gate electrode and a common electrode on a substrate; forming a gate dielectric, which covers the gate electrode and the common electrode, on the substrate; forming a channel layer, which covers the gate electrode, on the gate dielectric; forming a source electrode and a drain electrode which expose a portion of the channel layer; forming an organic layer, which contacts the exposed portion of the channel layer, on the source electrode and the drain electrode; patterning the organic layer contacting the channel layer so as to form an organic layer pattern comprising a first opening which exposes the channel layer; and forming an inorganic insulation layer which covers the channel layer exposed by the first opening.
1. A method of forming a liquid crystal display device, the method comprising the steps of:
forming a gate electrode and a common electrode on a substrate;
forming a gate dielectric, which covers the gate electrode and the common electrode, on the substrate;
forming a channel layer, which covers the gate electrode, on the gate dielectric;
forming a source electrode and a drain electrode which expose a portion of the channel layer;
forming an organic layer, which contacts the exposed portion of the channel layer, on the source electrode and the drain electrode;
patterning the organic layer contacting the channel layer so as to form an organic layer pattern comprising a first opening which exposes the channel layer and a second opening which exposes a portion of the gate dielectric on the common electrode;
forming an inorganic insulation layer which covers the channel layer exposed by the first opening; and
forming a common voltage line, which is electrically connected to the common electrode, on the inorganic insulation layer.
2. The method of claim 1 , wherein the organic layer is formed by a spin coating process.
3. The method of claim 1 , wherein the inorganic insulation layer is formed by a Chemical Vapor Deposition (CVD) process.
4. The method of claim 1 , further comprising the step of forming a pixel electrode which is disposed between the organic layer pattern and the inorganic insulation layer, and which is electrically connected to the drain electrode.
5. The method of claim 1 , further comprising the step of patterning the inorganic insulation layer and the exposed portion of the gate dielectric so as to form a third opening which exposes a portion of the common electrode.
6. A liquid crystal display device fabricated by the method of claim 1 , further comprising a pixel electrode disposed between the organic layer pattern and the inorganic insulation layer, and electrically connected to the drain electrode.
7. A liquid crystal display device fabricated by the method of claim 1 , further comprising:
the substrate bearing the gate electrode and the common electrode comprising a first substrate;
a second substrate facing the first substrate;
a liquid crystal layer disposed between the first and second substrates;
a color filter layer disposed between the liquid crystal layer and the second substrate; and
a black matrix covering the channel layer, and disposed between the color filter layer and the second substrate.
8. A liquid crystal display device fabricated by the method of claim 1 , further comprising:
a pixel electrode disposed between the organic layer pattern and the inorganic insulation layer, and electrically connected to the drain electrode;
the substrate bearing the gate electrode and the common electrode comprising a first substrate;
a second substrate facing the first substrate;
a liquid crystal layer disposed between the first and second substrates;
a color filter layer disposed between the liquid crystal layer and the second substrate; and
a black matrix covering the channel layer, and disposed between the color filter layer and the second substrate.
9. A liquid crystal display device, comprising:
a gate electrode disposed on a first substrate;
a gate dielectric disposed on the gate electrode;
a channel layer disposed on the gate dielectric;
a source electrode and a drain electrode covering partial portions of the channel layer, respectively;
a common electrode disposed between the first substrate and the gate dielectric;
an organic layer pattern covering the source electrode and the drain electrode, and exposing the channel layer and a portion of the gate dielectric on the common electrode;
an inorganic insulation layer contacting the exposed channel layer, and covering the organic layer pattern; and
a common voltage line electrically connected to the common electrode, and disposed on the inorganic insulation layer.
10. The liquid crystal display device of claim 9 , further comprising a pixel electrode disposed between the organic layer pattern and the inorganic insulation layer, and electrically connected to the drain electrode.
11. The liquid crystal display device of claim 9 , further comprising:
a second substrate facing the first substrate;
a liquid crystal layer disposed between the first and second substrates;
a color filter layer disposed between the liquid crystal layer and the second substrate; and
a black matrix covering the channel layer, and disposed between the color filter layer and the second substrate.
12. The liquid crystal display device of claim 9 , further comprising:
a first opening that exposes the channel layer; and
the inorganic insulation layer covering the channel layer exposed by the first opening.