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Display capable of adjusting drive circuit in accordance with resolution and drive method thereof

A display and resolution technology, used in static indicators, instruments, electric light sources, etc., to solve problems such as power waste

Active Publication Date: 2008-07-23
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] It can be seen from the above that when a traditional active matrix organic light emitting diode display receives image data with a resolution smaller than its panel resolution, it will still activate the gate drive circuit and source drive circuit outside the effective display area, resulting in unnecessary waste of power

Method used

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  • Display capable of adjusting drive circuit in accordance with resolution and drive method thereof
  • Display capable of adjusting drive circuit in accordance with resolution and drive method thereof
  • Display capable of adjusting drive circuit in accordance with resolution and drive method thereof

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Embodiment Construction

[0029] The present invention proposes a display and its driving method that can adjust the driving circuit according to the resolution, so that when the display receives image data, it first judges the effective display screen resolution of the image data, and only activates the effective display range according to the judged resolution The gate drive circuit and source drive circuit in.

[0030] Please refer to figure 2 . figure 2 Shown is a flow chart of the driving method of the present invention that can adjust the display according to the resolution.

[0031] Step 200: start;

[0032] Step 210: Receive video signal data and clock data;

[0033] Step 220: judging the resolution corresponding to the received video signal data according to the scan lines and data lines whose grayscale values ​​are greater than a predetermined value;

[0034] Step 230: According to the determined resolution, drive the gate driving circuit and the source driving circuit in the correspond...

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Abstract

The invention relates to a display which can adjust the driving circuit, based on revolution, wherein said invention comprises an active organic lighting display unit, a time data control circuit, a grid driving circuit and a source driving circuit; said time data control circuit comprises a video signal data judge unit for judging the revolution of video signal data, to output one judge signal; and the first source and grid time data control unit coupled with the video signal data judging unit, to receive the judge signal to generate one data signal and one control signal; said grid driving circuit is coupled with the time data control circuit and said scanning line, to receive the control signal to drive the grid; the source driving circuit is coupled to the time data control circuit and the data line, to receive the data signal to drive the source.

Description

technical field [0001] The invention relates to a display and its driving method, in particular to an active matrix organic light emitting diode display capable of adjusting the driving circuit according to the resolution and the related driving method. Background technique [0002] A flat panel display (flat panel display) has the advantages of power saving, no radiation, and small size, so it gradually replaces the traditional cathode ray tube (cathode ray tube, CRT) display. With the vigorous development of flat-panel display technology, global panel manufacturers are all committed to developing various emerging flat-panel display technologies to enhance market competitiveness. Among them, organic light-emitting displays using organic light emitting diodes (OLEDs) have the advantages of self-illumination, high brightness, high luminous efficiency, high contrast, fast response time, wide viewing angle, low power consumption, and wide usable temperature range. Therefore, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/32G09G3/30G09G3/20H05B33/08H05B33/14G09G3/3233H05B44/00
CPCY02B20/343Y02B20/30
Inventor 李易书许文法张育源
Owner AU OPTRONICS CORP