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Display apparatus and data reading controller thereof

A technology of data reading and display device, applied in static indicators, electrical digital data processing, input/output process of data processing, etc., can solve problems such as increased power loss, increased cost, sensing signal reading error, etc. To achieve the effect of reducing the need for contacts, reducing power consumption, reducing costs and

Active Publication Date: 2009-01-21
AU OPTRONICS CORP
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AI Technical Summary

Problems solved by technology

However, if the time-division multiplexing method is directly used to read the sensing signal and output data, the sensing signal read by each data read controller will have different charging times, which will cause the sensing signal The reading error makes the data output to the touch control chip incorrect, which in turn causes the touch LCD device to misjudge the user's input
[0008] To sum up, although the use of time-division multiplexing can greatly reduce the number of data reading controllers and output contacts of touch-sensitive liquid crystal display devices, So as to solve the problems of increased cost, increased circuit complexity, and increased power loss, but at the same time sacrificed user convenience

Method used

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  • Display apparatus and data reading controller thereof
  • Display apparatus and data reading controller thereof
  • Display apparatus and data reading controller thereof

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Embodiment Construction

[0120] The content of the present invention will be explained through the following embodiments, which is about a display device and its data reading controller. Through the sampling unit and the read switch, the sensing signals read by the data read controller will have the same charging time, thereby effectively solving the problem of different charging times of the sensing signals. At the same time, multiple data generated by the data reading controller will be output through a single contact, greatly reducing the demand for output contacts, and further reducing manufacturing costs and power consumption.

[0121] However, the embodiments of the present invention are not intended to limit any specific environment, application or special way of implementing the present invention. Therefore, the descriptions about the embodiments are only for the purpose of explaining the present invention rather than limiting the present invention. It should be noted that in the following em...

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Abstract

A display device and a data read controller thereof are disclosed, wherein the display device comprises a touch control display module, a first data read controller and a second data read controller, the first data read controller and the second data read controller respectively comprise a first read switch, a second read switch, a first sampling unit and a second sampling unit, the first data read controller and the second data read controller can read the multiplexing output of the first sampling unit, the first read switch, the second sampling unit and the second read switch, to effectively reduce the number of data output contacts and reduce power loss. The invention can reduce the contact number of data signal transmission to reduce cost and power loss, and reduce the error of signal induction.

Description

technical field [0001] The invention relates to a display device and a data reading controller thereof, in particular to a display device with a touch screen and a data reading controller for reading sensing signals of the touch screen. Background technique [0002] In recent years, flat panel display devices have been developed more and more rapidly, and they have gradually replaced traditional cathode ray tube display devices (Cathode Ray Tube Display; CRT display). Today's flat-panel display devices mainly include the following types: Organic Light-Emitting Diodes Display (OLED), Plasma Display Panel (PDP), Liquid Crystal Display (LCD) And a field emission display device (Field Emission Display; FED) and the like. Because liquid crystal display devices have the advantages of power saving, no radiation, small size, low power consumption, small space, right-angle plane, high resolution, and stable image quality, they have been widely used in mobile phones, screens, digital...

Claims

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Application Information

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IPC IPC(8): G06F3/041G02F1/1362G09G3/36
Inventor 陈忠君白承丘李宇轩
Owner AU OPTRONICS CORP
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