Integration-type image control chip group

A technology for controlling chips and image signals, applied in instruments, static indicators, etc., can solve the problems of increasing the cost of winding and increasing the cost of packaging

Inactive Publication Date: 2007-09-19
HIMAX TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this will increase the cost of wiring on the PCB, and an interface between the two chips and the frame buffer is also required, which will increase the packaging cost

Method used

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  • Integration-type image control chip group
  • Integration-type image control chip group

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Embodiment Construction

[0033] Please refer to FIG. 2 , which shows a circuit block diagram of an integrated control chip set applied to an LCD TV according to the present invention.

[0034] As shown in FIG. 2 , the control chipset 50 includes: a scaling controller 51 , a three-dimensional image enhancement unit 52 , an overdrive unit 53 , a timing controller 54 , and a memory controller 55 . The control chipset 50 is connected to the frame buffer 56 and the display unit 60 .

[0035] The scaling controller 51 receives an input signal IN. The input signal IN is provided, for example, from an analog / digital converter (Analog / Digital Converter; ADC) or a digital video interface (Digital Video Interface; DVI). The scaling controller 51 can perform frame rate conversion (frame rate convert, FRC), such as converting a signal with a frequency of 60 Hz into a signal with a frequency of 75 Hz. When performing FRC, the scaling controller 51 needs to access frame data to the frame buffer 56 . The scaling c...

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Abstract

The invention provides a synthesized image control chip group used for an image display device and capable of reducint component cost, packaging cost and system plate ling-winding cost. The synthesized image control chip group is connected to a share frame buffer and a display unit. A synthesized image control chip comprises: a zoom controller, a three-dimensional image strengthening unit, a passed driving unit, a time sequence controller and a memory controller. The zoom controller, the three-dimensional image strengthening unit and the passed driving unit access the share frame buffer via the memory controller. When accessing the share frame buffer, the passed driving unit compresses a reading/writting data to reduce operation frequency of the frame buffer.

Description

technical field [0001] The invention relates to an integrated image control chip set, and in particular to an integrated image control chip set applied in an image display device. Background technique [0002] Due to the advancement of technology, computers and televisions have become an integral part of people's lives. According to the type of screen, televisions can be classified into at least one of the following categories: cathode ray tube (CRT) televisions and flat-screen televisions. Liquid crystal (LCD, liquid crystal display) televisions are one of the mainstreams of flat-screen televisions. Because LCD TVs have the advantages of low radiation that does not hurt the eyes, small size that does not take up space, and power saving and environmental protection, there is a tendency to gradually replace CRT TVs. [0003] FIG. 1 shows a circuit block diagram of a control chipset used in a known LCD TV. As shown in FIG. 1 , a control chipset 10 applied in an LCD TV inclu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36G09G3/20G02F1/133
Inventor 黄俊仁黄崇勋陈贵祥
Owner HIMAX TECH LTD
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