Liquid crystal display device

A liquid crystal display device, comprising:

• a first substrate provided with a pixel electrode including a contact portion, first and second main pixel electrodes extending in a first direction from the contact portion, and a first sub-pixel electrode and a second sub-pixel electrode arranged between the contact portion and an end of the extending main pixel electrode in the first direction;
• a second substrate provided with a common electrode including first and second main common electrodes sandwiching the first and second main pixel electrodes, a third main common electrode arranged substantially in the center between the first and second main pixel electrodes and extending in parallel with the first and second main common electrodes, and a first sub-common electrode arranged between the first sub-pixel electrode and the second sub-pixel electrode in the first direction, the first sub-common electrode connected with the first, second and third main common electrodes and extending in the second direction;
• and
• a liquid crystal layer held between the first substrate and the second substrate and having liquid crystal molecules;
• wherein
• the third main common electrode includes a cutout portion, and the first sub-pixel electrode crosses the third main common electrode at the cutout portion,
• the first sub-common electrode includes cutout portions facing the first and second main pixel electrodes, and the first and second main pixel electrodes cross the first sub-common electrode at the cutout portions, respectively,
• the second sub-pixel electrode is connected with the main pixel electrodes extending in the second direction and includes a cutout portion facing the third main common electrode,
• the third main common electrode crosses the second sub-pixel electrode at the cutout portion,
• the first substrate includes a pair of source lines extending in the first direction, and the first and the second main common electrodes are arranged facing the source lines, respectively,
• the first substrate includes a pair of gate lines extending in the second direction, and a second sub-common electrode and a third sub-common electrode formed on the second substrate are arranged facing the gate lines, respectively,
• the second sub-common electrode and the third sub-common electrode sandwich the first and second main pixel electrode and the contact portion, and
• the pixel electrode includes an aperture substantially in a shape of a rectangle surrounded with the first and second main pixel electrodes, the first sub-pixel electrode and the contact portion.

A liquid crystal display device, comprising:

• a first substrate provided with a pixel electrode including a contact portion, a first main pixel electrode and a second main pixel electrode extending in a first direction from the contact portion,
• a second substrate provided with a common electrode including first, second, and third main common electrodes extending in parallel with the first and second main pixel electrodes,
• a liquid crystal layer held between the first substrate and the second substrate and having liquid crystal molecules;
• wherein
• the first main pixel electrode is arranged between the first main common electrode and the second main pixel electrode, and the second main pixel electrode is arranged between the second main common electrode and the third main common electrode, and
• the pixel electrode further includes a first sub-pixel electrode extending from the first main pixel electrode toward the first and second main common electrodes in the second direction not so as to overlap with the first and second main common electrodes, and a second sub-pixel electrode extending from the second main pixel electrode toward the second and third main common electrodes in the second direction not so as to overlap with the second and third main common electrodes, wherein
• the second substrate includes a first sub-common electrode and a second sub-common electrode extending in the second direction, so as to sandwich the first and second main pixel electrodes and the contact portion,
• the first substrate includes an auxiliary capacitance line extending in the second direction including a capacitance portion in which the width in the second direction is broadened in a substantially central portion in the first direction of one pixel, and
• the contact portion is formed more widely than the main pixel electrode in the second direction and arranged facing the capacitance portion.