Liquid crystal display device

A technology of a liquid crystal display device and a liquid crystal layer, which is applied to instruments, semiconductor devices, optics, etc., can solve the problem that the third liquid crystal display device 3 cannot achieve electrical neutrality, etc., and achieves the effect of solving image sticking and avoiding inaccurate compensation.
CN101587269AActive Publication Date: 2009-11-25SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
Publication Date
2009-11-25

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Abstract

The invention discloses a liquid crystal display device which comprises an upper baseplate and a lower baseplate, wherein the lower baseplate is arranged facing to the upper baseplate; the lower baseplate is provided with a plurality of gate lines, data lines and common lines; the gate lines and the data lines are mutually vertical and definite a plurality of pixel areas. Each pixel area comprises pixel electrodes, common electrodes, a first thin film transistor, a second thin film transistor and a liquid crystal layer, wherein the common electrodes and the pixel electrodes are arranged in a staggered way; the first thin film transistor is used for controlling the pixel electrodes and inputting signals; the second thin film transistor is used for controlling the common electrodes and inputting signals; the liquid crystal layer is sandwiched between the upper baseplate and the lower baseplate; and when the first thin film transistor is switched off, the second thin film transistor is also switched off at the same time. Feed-through potential drop of an entire row of the gate lines does not need to be adjusted by potential provided by the common lines through the structural design, thereby the phenomenon of residual DC can not be produced, and the problem of residual shade can be fundamentally solved.
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Description

Technical field

[0001] The present invention relates to a liquid crystal display device, in particular to a liquid crystal display device capable of reducing feed-through potential drop. Background technique

[0002] IPS (In-plane switch) liquid crystal display mode is a wide viewing angle liquid crystal display mode. Because of its excellent viewing angle characteristics, it has been widely used in liquid crystal display products, especially in large-size liquid crystal display products. IPS technology is a liquid crystal display mode with different optical path differences caused by the in-plane flip of liquid crystal molecules according to the lateral electric field, so as to realize the liquid crystal display mode with different light transmittance. The original design of the IPS liquid crystal display mode was to arrange the strip-shaped common electrode and the pixel electrode on the same plane.

[0003] The FFS (Fringe field switch) mode liquid crystal display device is fo...

Claims

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