Liquid crystal display device

1. A liquid crystal display device comprising a first substrate in rectangular form, a second substrate in rectangular form which faces said first substrate, liquid crystal that is sandwiched between said first substrate and said second substrate, a display region in rectangular form where a number of pixels are formed, and a sealing material which secures said first substrate and said second substrate to each other and seals said liquid crystal, characterized in that

a main surface of said first substrate and a main surface of said second substrate are bent,

said sealing material is provided outside said display region and forms a protrusion in at least one corner of said display region, and

a distance between a side of said display region facing said protrusion and said sealing material where there is the protrusion is greater than a distance between said side and said sealing material where there is no protrusion.

2. The liquid crystal display device according to claim 1 , characterized in that

said first substrate and said second substrate are glass substrates having a thickness of 0.2 mm or less.

3. The liquid crystal display device according to claim 1 , characterized in that

said first substrate and said second substrate are plastic substrates.

4. The liquid crystal display device according to claim 1 , characterized in that

said first substrate and said second substrate that are positioned so as to face each other are bent so that the first substrate side protrudes.

5. The liquid crystal display device according to claim 1 , characterized in that

said first substrate and said second substrate that are positioned so as to face each other are bent so that the second substrate side protrudes.

6. The liquid crystal display device according to claim 1 , characterized in that said sealing material is made of a first sealing material having an opening and a second sealing material for closing said opening.

7. The liquid crystal display device according to claim 6 , characterized in that

at least one protrusion has an opening in said first sealing material and said opening is closed by said second sealing material in the structure.

8. The liquid crystal display device according to claim 7 , characterized in that

said protrusion of which the opening is closed by said second sealing material is used to inject said liquid crystal.

9. The liquid crystal display device according to claim 1 , characterized in that

said protrusion is formed in at least one corner on the side of the diagonal line of said display region of which the angle at which the diagonal line crosses the direction in which said liquid crystal is initially aligned is greater.

10. The liquid crystal display device according to claim 9 , characterized in that

said protrusion is formed in two corners on the side of the diagonal line of which the crossing angle is greater.

11. The liquid crystal display device according to claim 1 , characterized in that

said first substrate has a gate signal line through which a scanning signal is inputted, a drain signal line through which a video signal is inputted, and a common signal line through which a reference signal having a reference potential is inputted,

pixel electrodes are connected to the drain signal lien via thin film transistors, and

a common electrode is connected to said common signal line.

12. The liquid crystal display device according to claim 11 , characterized in that

the direction in which said liquid crystal is initially aligned is set to incline relative to the direction in which said drain signal line extends.