Liquid crystal display device and method of driving liquid crystal display device
A liquid crystal display device includes: a liquid crystal panel; and a driving unit configured to drive the liquid crystal panel. The liquid crystal panel includes: a plurality of scanning lines, a plurality of signal lines and a plurality of pixels. The plurality of scanning lines extends in a first direction. The plurality of signal lines extends in a second direction. The plurality of pixels is arranged in positions where the plurality of scanning lines intersects with the plurality of signal lines. Pixels which are included in the plurality of pixels and aligned along one of the plurality of scanning lines have a same color. The driving unit includes: a plurality of amplifiers configured to drive the plurality of signal lines. The driving unit controls each of the plurality of amplifiers in time sharing such that each of the plurality of amplifiers drives pixels of a first group connected to one scanning line of the plurality of scanning line in the plurality of pixels in a first period in a scanning line selection period, and drives pixels of a second group connected to the one scanning line in a second period in the scanning line selection period.
1 . A liquid crystal display device comprising:
a liquid crystal panel; and
a driving unit configured to drive said liquid crystal panel;
wherein said liquid crystal panel includes:
a plurality of scanning lines configured to extend in a first direction,
a plurality of signal lines configured to extend in a second direction, and
a plurality of pixels configured to be arranged in positions where said plurality of scanning lines intersects with said plurality of signal lines, wherein pixels which are included in said plurality of pixels and aligned along one of said plurality of scanning lines have a same color,
wherein said driving unit includes:
a plurality of amplifiers configured to drive said plurality of signal lines,
wherein said driving unit controls each of said plurality of amplifiers in time sharing such that each of said plurality of amplifiers drives pixels of a first group connected to one scanning line of said plurality of scanning line in said plurality of pixels in a first period in a scanning line selection period, and drives pixels of a second group connected to said one scanning line in a second period in said scanning line selection period.
2 . The liquid crystal display device according to claim 1 , wherein pixels included in said plurality of pixels, aligned along said one of the plurality of scanning lines and having the same color have a same polarity to each other.
3 . The liquid crystal display device according to claim 1 , wherein said driving unit controls said each of the plurality of amplifiers in time sharing, firstly with respect to pixels of a first color aligned along a first scanning line of said plurality of scanning lines in said plurality of said pixels, and then with respect to pixels of a second color aligned along a second scanning line of said plurality of scanning lines in said plurality of said pixels, and
said second scanning line is adjacent to said first scanning line.
4 . The liquid crystal display device according to claim 1 , wherein said liquid crystal panel includes:
a plurality of first switches configured to be provided between a plurality of first signal lines connected to said pixels of said first group in said plurality of signal lines and said plurality of amplifiers, and
a plurality of second switches configured to be provided between a plurality of second signal lines connected to said pixels of said second group in said plurality of signal lines and said plurality of amplifiers,
wherein said driving unit controls said each of the plurality of amplifiers in time sharing, by synchronizing said plurality of amplifiers with said plurality of first switches and said plurality of second switches.
5 . The liquid crystal display device according to claim 1 , wherein a pixel of a first color, a pixel of a second color and a pixel of a third color aligned along one of said plurality of signal lines constitute a pixel set in said plurality of pixels.
6 . The liquid crystal display device according to claim 1 , further comprising:
a reference grayscale voltage generating unit configured to generate reference grayscale voltages corresponding to grayscale voltage properties in respective colors of a first color, a second color and a third color in said liquid crystal panel,
wherein said reference grayscale voltage generating unit switches a grayscale voltage property corresponding to an input grayscale data applied to pixels, which are included in said plurality of pixels, aligned along said one of the plurality of scanning lines and have the same color, to each reference grayscale voltage corresponding to a grayscale voltage property of each of said first color, said second color and said third color, for each scanning of said plurality of scanning lines of respective colors of said first color, said second color and said third color.
7 . A method of driving a liquid crystal display device, wherein a plurality of signal lines is driven by one amplifier comprising:
selecting a plurality of pixels aligned along one scanning line in one scanning line selection period,
driving pixels of a first group in said selected plurality of pixels in a first period in said scanning line selection period by said one amplifier,
driving pixels of a second group in said selected plurality of pixels in a second period in said scanning line selection period by said one amplifier.
8 . The method of driving a liquid crystal display device according to claim 7 , wherein said selected plurality of pixels aligned along said one scanning line and having a same color have a same polarity to each other in said driving pixels step of said first group and said driving pixels step of said second group.
9 . The method of driving a liquid crystal display device according to claim 7 , wherein said selecting step, said driving pixels step of said first group and said driving pixels step of said second group are executed, firstly with respect to pixels of a first color aligned along a first scanning line in a plurality of said pixels, and then with respect to pixels of a second color aligned along a second scanning line adjacent to said first scanning line in said plurality of said pixels.
10 . A method of driving a liquid crystal display device, comprising:
providing said liquid crystal display device, wherein said liquid crystal display device includes:
a liquid crystal panel; and
a driving unit configured to drive said liquid crystal panel;
wherein said liquid crystal panel includes:
a plurality of scanning lines configured to extend in a first direction,
a plurality of signal lines configured to extend in a second direction, and
a plurality of pixels configured to be arranged in positions where said plurality of scanning lines intersects with said plurality of signal lines, wherein pixels which are included in said plurality of pixels and aligned along one of said plurality of scanning lines have a same color,
wherein said driving unit includes:
a plurality of amplifiers configured to drive said plurality of signal lines,
selecting pixels included in said plurality of pixels and aligned along one scanning line of said plurality of scanning lines in one scanning line selection period,
driving pixels of a first group in said selected pixels in a first period in said scanning line selection period by said plurality of amplifiers,
driving pixels of a second group in said selected pixels in a second period in said scanning line selection period by said plurality of amplifiers.
11 . The method of driving a liquid crystal display device according to claim 10 , wherein said selected pixels aligned along said one scanning line and having the same color have a same polarity to each other.
12 . The method of driving a liquid crystal display device according to claim 10 , wherein said selecting step, driving pixels step of said first group and driving pixels step of said second group are executed, firstly with respect to pixels of a first color aligned along a first scanning line of said plurality of scanning lines in said plurality of said pixels, and then with respect to pixels of a second color aligned along a second scanning line of said plurality of scanning lines in said plurality of said pixels, and
said second scanning line is adjacent to said first scanning line.