Color filter array panel and method for fabricating the same
View Patent ↗A liquid crystal display comprises a matrix pattern formed in a double layer comprising a lower pattern having a hydrophilic property on a substrate, and a black matrix having a hydrophobic property on the lower pattern; and color filters formed in the pixel area.
1. A method for manufacturing a liquid crystal display, the method comprising the steps of:
sequentially forming a hydrophilic photosensitive material layer and an opaque hydrophobic photosensitive material layer on a whole area of a substrate;
forming a matrix pattern dividing a pixel area by performing an exposure and development process with respect to the hydrophilic photosensitive material layer and the opaque hydrophobic photosensitive material layer;
forming a color filter on the pixel area,
wherein the step of performing the development process includes,
sequentially removing the opaque hydrophobic photosensitive material layer and the hydrophilic photosensitive material layer formed at the pixel area, and
wherein the matrix pattern is formed in the double layer stacked by the hydrophilic photosensitive material layer and the opaque hydrophobic photosensitive material layer.
2. The method as claimed in claim 1 , wherein the color filter comprises red, green, and blue hydrophilic color ink.
3. The method as claimed in claim 1 , wherein the hydrophilic photosensitive material layer comprises hydrophilic photoresist.
4. The method as claimed in claim 3 , wherein the hydrophilic photoresist comprises one selected from among red, green, and blue colors.
5. The method as claimed in claim 3 , wherein the hydrophilic photoresist is transparent.
6. The method as claimed in claim 1 , wherein the opaque hydrophobic photosensitive material comprises hydrophobic black photoresist.
7. The method as claimed in claim 1 , wherein the step of forming the color filter on the pixel area to form a color filter substrate, further comprises a step of forming a common electrode on the color filter by using transparent conductive material.
8. The method as claimed in claim 1 , wherein the step of sequentially forming the hydrophilic photosensitive material layer and the opaque hydrophobic photosensitive material layer on the substrate, comprises a step of individually hardening the hydrophilic photosensitive material layer and the opaque hydrophobic photosensitive material layer.
9. A method for manufacturing a liquid crystal display, the method comprising the steps of:
sequentially forming a hydrophilic photosensitive material layer and an opaque hydrophobic photosensitive material layer on a whole area of a substrate;
forming a matrix pattern dividing a pixel area by performing an exposure and development process with respect to the hydrophilic photosensitive material layer and the opaque hydrophobic photosensitive material layer;
forming a color filter substrate by forming a color filter on the pixel area;
providing an array substrate corresponding to the color filter substrate, and comprising a pixel electrode and a thin film transistor;
interposing a liquid crystal layer between the color filter substrate and the array substrate,
wherein the step of performing the development process includes,
sequentially removing the opaque hydrophobic photosensitive material layer and the hydrophilic photosensitive material layer formed at the pixel area, and
wherein the matrix pattern is formed in the double layer stacked by the hydrophilic photosensitive material layer and the opaque hydrophobic photosensitive material layer.
10. The method as claimed in claim 1 , wherein each of the steps of sequentially forming a hydrophilic photosensitive material layer and an opaque hydrophobic photosensitive material layer on a substrate; further comprises a step of baking process at a temperature in the range of 90° C. to 120° C.
11. The method as claimed in claim 1 , wherein the step of forming a matrix pattern; further comprises a step of sequentially removing the opaque hydrophobic photosensitive material layer and removing the hydrophilic photosensitive material layer by the development process.
12. The method as claimed in claim 9 , wherein each of the steps of sequentially forming a hydrophilic photosensitive material layer and an opaque hydrophobic photosensitive material layer on a substrate; further comprises a step of baking process at a temperature in the range of 90° C. to 120° C.
13. The method as claimed in claim 9 , wherein the step of forming a matrix pattern; further comprises a step of sequentially removing the opaque hydrophobic photosensitive material layer and removing the hydrophilic photosensitive material layer by the development process.