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Circuit apparatus capable of improving electromagnetic interference and correlation (related) method thereof

A technology of electromagnetic interference and circuit devices, applied in the field of circuit devices, can solve the problems of longer length, more signal lines, and limited effects

Inactive Publication Date: 2011-02-02
NOVATEK MICROELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to meet the needs of large size and high resolution, the number and length of signal lines are increasing, and the current consumed by the system is increasing. Therefore, the known methods of reducing instantaneous current fluctuations have limited effect

Method used

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  • Circuit apparatus capable of improving electromagnetic interference and correlation (related) method thereof
  • Circuit apparatus capable of improving electromagnetic interference and correlation (related) method thereof
  • Circuit apparatus capable of improving electromagnetic interference and correlation (related) method thereof

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Embodiment Construction

[0060] Please refer to image 3 , image 3 It is a schematic diagram of a circuit device 30 for an electronic device to reduce electromagnetic interference according to an embodiment of the present invention. The circuit device 30 includes a signal generation unit 300 , a phase adjustment unit 310 and an output interface 320 . The signal generating unit 300 is used for generating signals S1˜Sm with the same phase. The phase adjusting unit 310 is coupled to the signal generating unit 300 and used for adjusting the phases of the signals S1˜Sm to generate the output signals SO1˜SOm. The phases of the output signals SO1 to SOm are adjusted to be totally or partially different. The output interface 320 is coupled to the phase adjustment unit 310 for outputting the output signals SO1˜SOm to the signal processing units SU1˜SUn for related signal processing. Preferably, the electronic device is a display, and the signal processing units SU1˜SUn are source drivers. In this applica...

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PUM

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Abstract

The invention provides a circuit device for an electronic device, which aims to reduce electromagnetic interference. The circuit device comprises a signal generating unit, a phase regulating unit and an output interface; the signal generating unit is used for generating a plurality of in-phase signals; the phase regulating unit is coupled with the signal generating unit, and is used for regulating the phase of the plurality of the in-phase signals so as to generate a plurality of output signals, wherein phases of the plurality of the output signals are completely different or partially different; the output interface is coupled with the phase regulating unit, and is used for outputting the plurality of the output signals to a plurality of signal processing units so as to process related signals.

Description

technical field [0001] The present invention relates to a circuit device and a related method thereof, in particular to a circuit device for reducing electromagnetic interference of an electronic device and a related method thereof. Background technique [0002] Liquid Crystal Display (LCD) has the advantages of thin and light appearance, low radiation, small size and low energy consumption, and is widely used in information products such as notebook computers or flat-screen TVs. Therefore, the liquid crystal display has gradually replaced the traditional cathode ray tube display (Cathode RayTube Display) and has become the mainstream of the market, among which the active matrix thin film transistor liquid crystal display (Active Matrix TFT LCD) is the most popular. In simple terms, the driving system of the active matrix thin film transistor liquid crystal display is composed of a timing controller (Timing Controller), a source driver (Source Driver) and a gate driver (Gate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36G09G5/00H05K9/00G02F1/133
Inventor 林文祈林哲立
Owner NOVATEK MICROELECTRONICS CORP