Pixel driving circuit, driving method and pixel matrix
A technology of pixel driving circuit and driving method, which can be applied in nonlinear optics, static indicators, instruments, etc., and can solve problems such as poor transmittance
Active Publication Date: 2015-08-05
AU OPTRONICS CORP
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Problems solved by technology
However, the current general-purpose integrated circuit output voltage is generally only up to 16V, and the voltage gap felt by the liquid crystal is not enough to drive the electrode spacing greater than 16um, so that the penetration rate of the wider electrode spacing is not good, and it is impossible to use wider electrode spacing. Electrode spacing to further improve the problem of side view color shift
Method used
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[0037] The detailed features and advantages of the present invention are described in detail below in the implementation manner, and its content is enough to make any person skilled in the art understand the technical content of the present invention and implement it accordingly, and according to the content disclosed in this specification, the patent scope of the application and the accompanying drawings , any person skilled in the art can easily understand the related objects and advantages of the present invention. The following examples further illustrate the concept of the present invention in detail, but do not limit the scope of the present invention in any way.
[0038] Please refer to figure 1 , is a schematic diagram of a circuit structure of a pixel matrix 100 . The pixel matrix 100 includes a plurality of scan lines G 1 , G 2 ...... G n-1 , G n , a plurality of first data lines D 11 、D 12 ...D 1m-1 、D 1m with multiple second data lines D 21 、D 22 ...D 2...
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A pixel driving circuit is electrically coupled between a first data line and a second data line and between a first scan line and a second scan line, and includes a first switch, a second switch, a third switch, a fourth switch, a liquid crystal capacitor electrically connected between the first switch and the second switch, a first capacitor electrically connected to the first switch, a second capacitor electrically connected to the second switch, a first storage capacitor, a second storage capacitor and at least one switching unit. The first storage capacitor is electrically connected to the third switch and supplied by a reference voltage. The second storage capacitor is electrically connected to the fourth switch and supplied by the reference voltage. The at least one switching unit is used for redistributing charges in the pixel driving circuit.
Description
technical field [0001] The present invention relates to a pixel driving circuit, in particular to a pixel driving circuit with better transparency. Background technique [0002] As liquid crystal display devices continue to develop towards large-size display specifications, in order to overcome the viewing angle problem under large-size displays, the wide viewing angle technology of liquid crystal display panels must also continue to improve and break through. At present, technologies that can meet the requirements of wide viewing angle include multi-domain vertical alignment (MVA), multi-domain horizontal alignment (MHA), twisted nematic plus viewing angle expansion film (TN+film) and transverse electric field (In Plane Switching, IPS) . [0003] The liquid crystal display using the technologies listed above can achieve the purpose of wide viewing angle, but there will be a problem of color washout. Generally speaking, the so-called color shift means that when the user wa...
Claims
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IPC IPC(8): G09G3/20G09G3/36
CPCG09G3/3659G09G2300/0866G09G3/3696G09G2300/0447G09G2300/0852G02F1/13624
Inventor 吕美如曹韶文龚晏莹陈卓彦丁天伦
Owner AU OPTRONICS CORP