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Panel display equipment and source driver thereof

A source driver and driver module technology, applied in static indicators, instruments, etc., can solve the problems of defective pictures, difficult to control the time and attenuation of the overall source driver, and achieve the effect of improving signal attenuation/distortion

Inactive Publication Date: 2008-10-29
NOVATEK MICROELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the signal on the glass, whether it is a differential signal or a transistor-transistor logic signal, will be severely attenuated (decay), making it difficult to control the timing of the overall source driver, resulting in the image displayed on the liquid crystal display panel 300 defective or abnormal

Method used

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  • Panel display equipment and source driver thereof
  • Panel display equipment and source driver thereof
  • Panel display equipment and source driver thereof

Examples

Experimental program
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Embodiment Construction

[0048] As mentioned earlier, in many traditional chip-on-glass bonding (Chip On Glass, COG) technologies, no matter in series connection or parallel connection, signal attenuation is unavoidable; or excessive connections are used connector (connector), resulting in problems such as an increase in the failure rate of the connection between the connector and the glass substrate. In the following, implementation examples will be proposed according to the viewpoint of the present invention, so as to improve the above-mentioned problems.

[0049] The following will provide an example of the solution according to the present invention, so that the inventor who applies the present invention can flexibly set the series / parallel state of the source drivers according to the signal attenuation in the product design stage or the manufacturing stage. In this embodiment, both series and parallel are used together, so that the user can flexibly set each source driver to operate in the series...

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Abstract

The invention relates to a panel display and a source-electrode drive thereof, wherein, the source-electrode drive comprises a first input terminal unit, a second input terminal unit, a first output terminal unit, a second output terminal unit, an interface module and a driving module. The first and second input terminal units can be respectively coupled to an upper source-electrode drive and a time-sequence controller. The first and second output terminal units can be respectively coupled to a lower source-electrode drive and a display panel. The interface module selects the first input terminal unit or second input terminal unit according to pre-set arrangement, and the selected input terminal unit is electrically connected with the first output terminal unit. The driving module generates at least one driving signal according to the signal of the selected input terminal unit; wherein, the driving signal is sent to the display panel through the second output terminal unit.

Description

technical field [0001] The invention relates to a display, in particular to a panel display and a source driver thereof. Background technique [0002] In traditional chip-on-glass bonding (Chip On Glass, COG) technology, the transistor-transistor logic type (TTL-type) or differential-type (differential-type) data bus is connected between the timing controller IC and the driver IC. Complicated connections. FIG. 1 illustrates the connections between the timing controller 110 and the drivers 130-1, 130-2, . . . , 130-n in a conventional panel display. In this way, the source drivers 130 - 1 ˜ 130 -n are parallel connected to the timing controller 110 by using the connectors 120 - 1 , 120 - 2 , . . . , 120 -n. [0003] As shown in FIG. 1 , each source driver needs to have a connector welded on the liquid crystal display panel 100 . By connecting each source driver 130-1˜130-n through the connectors 120-1˜120-n, the timing controller 110 can send control signals and image data...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
Inventor 庄志强
Owner NOVATEK MICROELECTRONICS CORP