Method for driving field sequence type LCD device
A technology of liquid crystal display and driving method, which can be used in static indicators, instruments, nonlinear optics, etc., and can solve problems such as color mixing
Inactive Publication Date: 2009-02-25
AU OPTRONICS CORP
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Problems solved by technology
The scanning mode of the field sequential liquid crystal display in the prior art is to scan sequentially from top to bottom. After the data line writes the data signal, the liquid crystal element determines whether to transmit the data signal to the pixel according to the signal provided by the scanning line to generate brightness and brightness. Color, which is affected by the reaction speed of the liquid crystal element itself, resulting in a time difference between the pixel display and the scanning speed, which is particularly serious at the bottom of the liquid crystal display
In other words, when the area at the top of the LCD has been scanned and the brightness and color are generated on the pixels, the previous batch of data signals at the bottom of the LCD have not been converted to the position where brightness and color are to be generated, so the pixels at the bottom of the LCD The area will produce obvious color mixed (color mixed) phenomenon
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[0045] Fig. 1 is a schematic diagram of the first embodiment of the present invention. As shown in the figure, the liquid crystal panel 10 is an m×n rectangle with m and n columns respectively, which has m data lines and n scan lines 107, wherein the data lines are sequentially formed from the left side The parallel arrangement is arranged on the plane of the liquid crystal panel 10 without intersecting each other, and is electrically connected with the upper and lower sides of the liquid crystal panel 10 . The scanning lines 107 are arranged parallel to each other from the upper side and arranged on the plane of the liquid crystal panel 10 without intersecting each other, and are electrically connected to the left and right sides of the liquid crystal panel 10 .
[0046] The m data lines shown in the figure are composed of odd data lines 105 and even data lines 106, wherein the first source driver 101 disposed on the upper side of the liquid crystal panel 10 and the upper ends ...
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The invention discloses a drive method used for a field sequence type LCD, wherein the LCD is provided with a plurality of data lines used for transmitting data signals, a plurality of scan lines used for scanning the data lines, a first source electrode driver and a second source electrode driver respectively used for transmitting the data signals to the data lines, as well as a first grid electrode driver and a second grid electrode driver respectively used for transmitting grid electrode signals to the scan lines. The drive method can generate a mutually cross drive mode of alternate directions through selecting the transmitting direction of the data lines and the scanning direction of the scan lines, and the transmitting direction of the data lines and the scanning direction of the scan lines of each frame time sequence are different. The invention can achieve the effect of efficiently fading the color blending phenomenon generated in the areas of the four side edges of the LCD panel.
Description
[0001] This case is a divisional application of the invention patent application with the filing date of March 28, 2007, the application number of 200710091582.9, and the invention title of "Drive Method for Field Sequential Liquid Crystal Display". technical field [0002] The invention relates to a driving method of a display, in particular to a driving method of a field sequential liquid crystal display with interlaced scanning. Background technique [0003] With the rapid development of technology and popularization of technology, all desktop computers, notebook computers, mobile phones, personal digital assistants, LCD TVs and digital cameras must use LCD monitors. It can be seen that LCD monitors have become An indispensable part of human life. Liquid crystal displays have the characteristics of thinness, lightness, low power consumption, no radiation pollution, and compatibility with semiconductor process technology. In order to maintain the competitive advantage of ...
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IPC IPC(8): G02F1/1362G09G3/36
Inventor 易建宇
Owner AU OPTRONICS CORP