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Source driver, controller, and method for driving source driver

一种源极驱动器、驱动方法的技术，应用在仪器、静态指示器等方向，能够解决电力消耗增大、液晶显示装置老化、劣化等问题，达到减少影响、减少电力消耗、减小信号传输的效果

Active Publication Date: 2012-08-08
MAGNACHIP SEMICONDUCTOR LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that wireless communication is affected by the trigger pulse signal in a device such as a notebook computer that has both a wireless wide area network and a liquid crystal display device.
[0011] Not only that, N-1 trigger pulse signals are generated for each line (Line) of the liquid crystal display device, and the number of trigger pulse signals generated for each frame (Frame) of the liquid crystal display device is equivalent to N-1 and the number of lines Product, resulting in increased power consumption, which may cause aging or deterioration of the liquid crystal display device

Method used

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  • Source driver, controller, and method for driving source driver
  • Source driver, controller, and method for driving source driver
  • Source driver, controller, and method for driving source driver

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Embodiment Construction

[0035] A number of embodiments of the invention will be described in detail, an exemplary portion of which will be included in the appended Figure 1 together to explain. Here, the same or similar identification symbols will be used throughout the drawings to designate the same or similar constituent elements. To illustrate the invention, the examples will be accompanied by Figure 1 As a reference note.

[0036] Hereinafter, various embodiments of the present invention will be described in further detail with reference to the accompanying drawings.

[0037] figure 1 A block diagram of a source driver 1000 provided for an embodiment of the present invention. especially, figure 1 This is a block diagram for explaining a state in which the liquid crystal display device is in a display mode for providing a specific screen.

[0038] Such as figure 1As shown, the source driver 1000 may include a controller 200 , a shift register 300 , a digital-to-analog converter (DAC: digi...

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Abstract

A source driver, a controller, and a method for driving a source drive are provided. The source driver includes a controller configured to receive a start pulse signal, and generate and output one of a new start pulse signal if the start pulse signal is received, and an internal start pulse signal if the start pulse signal is not received, a shift register configured to receive video data, store the video data, and output the video data if the outputted start pulse signal is received by the shift register, a digital-to-analog converter (DAC) configured to convert the video data output from the shift register into an analog voltage signal, and output the analog voltage signal, and an output buffer configured to buffer the analog voltage signal output from the DAC, and output the buffered analog voltage signal.

Description

technical field [0001] The present invention relates to a source driver, a controller and a source driver driving method, in particular to a source driver, a controller and a source driver driving method for generating a signal for reading (read) video data. Background technique [0002] A liquid crystal display device is a device that converts video data into electrical signals and inputs them. According to the electrical driving signal applied to the liquid crystal display device, each pixel can be controlled into a light-transmitting state and a light-shielding state through the transistor contained in each pixel of the liquid crystal layer, and hundreds of thousands to millions of pixels under this control A liquid crystal display screen can be formed. [0003] A drive circuit required to drive a liquid crystal display device includes a gate driver for controlling on / off states of switching transistors and a source driver for selecting a reference voltage of input video...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20G09G3/36
CPCG09G2330/06G09G2310/027G09G2330/021G09G3/3611G09G2310/08G09G2320/0693
Inventor 崔镇镐姜正秀薛正训金锭炫郑圭荣
Owner MAGNACHIP SEMICONDUCTOR LTD
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