Rubbing membrane material and liquid crystal display device using the same

Abstract

An alignment material for a liquid crystal display (LCD) device includes a mixture of carbon nano-tube and polyimide.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a cross-sectional view illustrating a thin film transistor array substrate according to a related art;

FIG. 2 is a cross-sectional view illustrating a color filter substrate according to the related art;

FIG. 3 is a cross-sectional view illustrating a liquid crystal panel according to the related art;

FIG. 4 is a flowchart illustrating an exemplary process of forming an LCD device according to the present invention;

FIG. 5 is a cross-sectional view illustrating an exemplary thin film transistor array substrate according to the present invention;

FIG. 6 is a cross-sectional view illustrating an exemplary color filter substrate according to the present invention; and

FIG. 7 is a cross-sectional view illustrating an exemplary liquid crystal panel according to the present invention.

Claims

1. An alignment material for a liquid crystal display (LCD) device, comprising a mixture of carbon nano-tube and polyimide.

2. The alignment material as claimed in claim 1, wherein the mixture has transparency and conductivity properties.

3. The alignment material as claimed in claim 1, wherein the mixture includes carbon nano-tubes and polyimide at a volume ratio of about 0.1 to about 1.0%.

4. A liquid crystal display (LCD) device, comprising: first and second substrates bonded to each other;a liquid crystal layer formed between the first substrate and the second substrate;a pixel electrode formed on the first substrate to pre-align the liquid crystal layer in a particular direction; anda common electrode formed on the second substrate to pre-align the liquid crystal layer in a particular direction.

5. The LCD device as claimed in claim 4, wherein the pixel electrode is made of a mixture of carbon nano-tube and polyimide.

6. The LCD device as claimed in claim 5, wherein the mixture has transparency and conductivity properties.

7. The LCD device as claimed in claim 5, wherein the mixture includes carbon nano-tubes and polyimide at a volume ratio of about 0.1% to about 1.0%.

8. The LCD device as claimed in claim 4, wherein the common electrode is made of a mixture of carbon nano-tube and polyimide.

9. The LCD device as claimed in claim 8, wherein the mixture has transparency and conductivity properties.

10. The LCD device as claimed in claim 8, wherein the mixture includes carbon nano-tubes and polyimide at a volume ratio of about 0.1% to about 1.0%.

11. The LCD device as claimed in claim 4, wherein each of the pixel electrode and the common electrode is made of a mixture that includes carbon nano-tubes and polyimide at a volume ratio of about 0.1% to about 1.0%.

12. A liquid crystal display (LCD) device, comprising: at least one substrate; andan alignment layer formed on the substrate to align a liquid crystal in a first direction and to align the liquid crystal in a second direction when current or voltage is applied thereto.

13. The LCD device as claimed in claim 12, wherein the common electrode is made of a mixture of carbon nano-tube and polyimide.

14. The LCD device as claimed in claim 13, wherein the mixture has transparency and conductivity properties.

15. The LCD device as claimed in claim 13, wherein the mixture includes carbon nano-tubes and polyimide at a volume ratio of about 0.1% to about 1.0%.