Liquid crystal display apparatus
View Patent ↗According to one embodiment, a lateral electric-field type of liquid crystal display device includes a display panel including a plurality of liquid crystal pixels arranged in a matrix, and a controller configured to perform intermittent driving to rewrite an image signal to the liquid crystal pixels, wherein a frame frequency falls within a range of 10 Hz to 20 Hz, and an absolute value of a flexo coefficient (e11, e33) of a liquid crystal applied to the liquid crystal pixels is 1.6 pC/m or less.
1. A lateral electric-field type of liquid crystal display device comprising:
a display panel including a plurality of liquid crystal pixels arranged in a matrix; and
a controller configured to perform intermittent driving to rewrite an image signal to the liquid crystal pixels,
wherein a frame frequency falls within a range of 10 Hz to 20 Hz,
an absolute value of a flexo coefficient (e11, e33) of a liquid crystal applied to the liquid crystal pixels is 1.6 pC/m or less, and
the relationship “R 1 ×C 1 ≈R 2 ×C 2 ” is satisfied, where R 1 is a resistance of the liquid crystal applied to the liquid crystal pixels, C 1 is a capacitance of the liquid crystal, R 2 is a resistance of an alignment film applied to the liquid crystal pixels, and C 2 is a capacitance of the alignment film.
2. The liquid crystal display device of claim 1 , wherein a resistivity of the liquid crystal falls within a range of 1×10 13 to 5×10 14 Ω·cm, and
a resistivity of the alignment film applied to the liquid crystal pixels falls within a range of 1×10 13 to 5×10 14 Ω·cm.
3. The liquid crystal display device of claim 1 , wherein the controller further performs inversion driving to rewrite the image signal to the liquid crystal pixels.
4. A lateral electric-field type of liquid crystal display device comprising:
a display panel including a plurality of liquid crystal pixels arranged in a matrix; and
a controller configured to perform intermittent driving to rewrite an image signal to the liquid crystal pixels,
wherein a frame frequency falls with a range of 10 Hz to 1 Hz,
an absolute value of a flexo coefficient (e11, e33) of a liquid crystal applied to the liquid crystal pixels is 0.8 pC/m or less, and
the relationship “R 1 ×C 1 ≈R 2 ×C 2 ” is satisfied, where R 1 is a resistance of the liquid crystal applied to the liquid crystal pixels, C 1 is a capacitance of the liquid crystal, R 2 is a resistance of an alignment film applied to the liquid crystal pixels, and C 2 is a capacitance of the alignment film.
5. The liquid crystal display device of claim 4 , wherein a resistivity of the liquid crystal applied to the liquid crystal pixels falls within a range of 1×10 13 to 5×10 14 Ω·cm, and
a resistivity of the alignment film applied to the liquid crystal pixels falls within a range of 1×10 13 to 5×10 14 Ω·cm.
6. The liquid crystal display device of claim 4 , wherein the controller further performs inversion driving to rewrite the image signal to the liquid crystal pixels.
7. A lateral electric-field type of liquid crystal display device comprising:
a display panel including a plurality of liquid crystal pixels arranged in a matrix; and
a controller configured to perform intermittent driving to rewrite an image signal to liquid crystal pixels,
wherein the relationship “R 1 ×C 1 ≈R 2 ×C 2 ” is satisfied, where R 1 is a resistance of a liquid crystal applied to the liquid crystal pixels, C 1 is a capacitance of the liquid crystal, R 2 is a resistance of an alignment film applied to the liquid crystal pixels, and C 2 is a capacitance of the alignment film.
8. The liquid crystal display device of claim 7 , wherein the controller further performs inversion driving to rewrite the image signal to the liquid crystal pixels.
9. The liquid crystal display device of claim 7 , wherein a resistivity of the liquid crystal applied to the liquid crystal pixels falls within a range of 1×10 13 to 5×10 14 Ω·cm, and
a resistivity of the alignment film applied to the liquid crystal pixels falls within a range of 1×10 13 to 5×10 14 Ω·cm.
10. The liquid crystal display device of claim 9 , wherein the controller further performs inversion driving to rewrite the image signal to the liquid crystal pixels.