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Scanning driving method and its two-dimensional display

A flat-panel display, scan-driven technology, used in static indicators, instruments, etc., to solve problems such as pixel voltage imbalance

Active Publication Date: 2006-09-13
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can effectively solve the problem of voltage imbalance between pixels caused by the pixel multitasking driving mode of the flat-panel display, and significantly improve the flickering phenomenon of the screen

Method used

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  • Scanning driving method and its two-dimensional display
  • Scanning driving method and its two-dimensional display
  • Scanning driving method and its two-dimensional display

Examples

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Embodiment Construction

[0030] Please refer to image 3 , which shows a schematic diagram of a pixel multitasking flat display according to a preferred embodiment of the present invention. The flat panel display 300 is, for example, a liquid crystal display, which includes a substrate 312 , a scan driving circuit 320 and a data driving circuit 330 . The substrate 312 is provided with a plurality of scan lines G, a plurality of data lines D and a display area (Display Area) 310 . The display area 310 is used to display a picture, and the display area 310 includes a plurality of rows of pixels (not shown in the figure). The scan driving circuit 320 and the data driving circuit 330 are coupled to the display area 310 via the scan line G and the data line D respectively. In the normal driving mode, the scan driving circuit 320 outputs a scan voltage to the substrate 312 through the scan line G to enable corresponding pixels. The data driving circuit 330 outputs data voltages through the data lines D t...

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Abstract

A method for driving scan includes using N grade scanning line to provide the first scanning voltage to pixel column for connecting through to corresponding film transistor and utilizing N + 1 grade to provide the second scanning voltage to the first switch through said film transistor for connecting through to the first switch and for outputting the first data voltage to the first pixel electrode. In the method, absolute D - value of two said scanning voltages is greater than critical voltage value of film transistor.

Description

technical field [0001] The invention relates to a scanning driving method and a flat display thereof, in particular to a scanning driving method with pixel multitasking and a flat display thereof. Background technique [0002] In the conventional flat panel display, each pixel is respectively coupled to a data line and a scan line, and the corresponding data voltage and scan voltage are provided by the driving circuit. Due to the current market demand, the size and resolution of flat-panel displays are getting larger and higher, and the cost of driving circuits is also increasing accordingly, making the cost of flat-panel displays higher and higher. Therefore, in order to effectively reduce display cost and improve market competitiveness, the design of pixel multi-tasking flat panel display is born accordingly. [0003] Please refer to figure 1 , which is a schematic diagram of a pixel array of a known pixel multitasking flat display. Please also refer to figure 2 , whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20
Inventor 陈世烽曾贵圣张立勋陈文彬
Owner AU OPTRONICS CORP