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Method and device for processing data of liquid crystal display

一种数据处理装置、液晶显示器的技术，应用在静态指示器、仪器等方向，能够解决影响液晶显示器画面品质、数据变化量大等问题，达到减少电磁干扰、减少数据变化量的效果

Inactive Publication Date: 2009-10-21
BEIJING BOE OPTOELECTRONCIS TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0007] For high-resolution, high-color liquid crystal displays, the amount of data transmission between the timing controller and the data driver is larger, and the amount of data change during transmission is larger, because the data changes during data transmission (rising edge or falling edge change) It will cause electromagnetic interference (EMI), so the large data transmission volume and high transmission frequency of the prior art have affected the picture quality of the liquid crystal display to a certain extent

Method used

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  • Method and device for processing data of liquid crystal display
  • Method and device for processing data of liquid crystal display

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Embodiment Construction

[0069] After in-depth research by the inventor, it is found that in actual use, among the data transmitted between the timing controller and the data driver, more than 90% of the data in two adjacent rows are the same, especially when displaying a graphical interface window. Even if the screens displayed between rows are different, in most cases the difference between the two is very small. The same display screen means the same data transmitted, that is to say, the data transmitted by the timing controller to the data driver Most of them are repeated, which is called redundant data in the present invention. While there is a large amount of redundant data between lines, for a static picture, sometimes the whole frame data is redundant data because the picture has not changed or changed little for a long time.

[0070] figure 1 It is the flow chart of the first solution of the liquid crystal display data processing method of the present invention, specifically:

[0071] Step...

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Abstract

The invention relates to a method and a device for processing data of a liquid crystal display. The method for processing data comprises the following steps: receiving the (n+1)th line of actual data; reading the nth line of actual data in a buffer memory; carrying out xor operation of the (n+1)th line of actual data and the nth line of actual data; and generating the (n+1)th line of xor data and sending the xor data to a data driver. The device for processing data comprises a signal receiver, a data path, a first data receiver, a first data buffer memory, a xor processor and a data transmitter, wherein the xor processor is respectively connected with the first data receiver and the first data buffer memory and used for generating xor data of own line through the xor operation. The invention eliminates redundant data, effectively reduces the data variable quantity in data transmission between a time schedule controller and the data driver and decreases the electromagnetic interference of the liquid crystal display to the utmost extent.

Description

technical field [0001] The invention relates to a data processing device and method, in particular to a liquid crystal display data processing method and device. Background technique [0002] Currently, Thin Film Transistor Liquid Crystal Display (TFT-LCD for short) has the characteristics of small size, low power consumption, no radiation, and high display resolution, and has begun to be widely popularized and become a mainstream product. [0003] When the TFT-LCD is working, the timing controller receives the signal sent by the external device and converts it into a digital signal suitable for the data driver to receive. After the data driver converts the received digital signal into an analog signal, it scans the analog signal line by line. Loaded on the LCD panel. Figure 9 It is a structural schematic diagram of a timing controller in the prior art, and the timing controller includes a signal receiver 11, a data path 12, a line data buffer 13 and a data transmitter 14 c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G2340/02G09G2330/06G09G2310/027G09G2370/14G09G3/3611G09G3/3685G09G2370/08
Inventor 丁悦
Owner BEIJING BOE OPTOELECTRONCIS TECH CO LTD
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