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Display drive circuit and drive method thereof as well as display device

A display drive and circuit technology, applied to static indicators, static memory, instruments, etc., can solve the problem of not being able to shield the first output enable signal

Active Publication Date: 2015-05-13
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a display driving circuit, its driving method, and a display device, which are used to solve the problem in the prior art that the first output enabling signal cannot be shielded according to the shielding signal, and then the data that may cause abnormal display is eliminated.

Method used

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  • Display drive circuit and drive method thereof as well as display device
  • Display drive circuit and drive method thereof as well as display device
  • Display drive circuit and drive method thereof as well as display device

Examples

Experimental program
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Effect test

Embodiment 1

[0031] image 3 It is the circuit diagram of the display drive circuit described in the embodiment of the present invention, such as image 3 As shown, a display driving circuit provided by an embodiment of the present invention includes:

[0032] The gate line driving circuit 100 is used to separate the gate line driving signals of adjacent rows according to the first output enable signal OE1;

[0033] Also includes:

[0034] The shielding signal generation circuit 200 triggers and generates a shielding signal TR when the gate drive signal needs to be turned off;

[0035] The gate line shielding circuit 300, the first input terminal of the gate line shielding circuit 300 inputs the first output enable signal OE1, the second input terminal inputs the shielding signal TR, and the output terminal is connected to the gate line driving circuit 100, so The gate line shielding circuit 300 is used for shielding the first output enable signal OE1 according to the mask signal TR, so...

Embodiment 2

[0051] The present invention also provides a display device, including the display driving circuit described in the present invention.

[0052] By using the display drive circuit of the present invention on the display device, the first output enable signal and the gate line drive circuit can be used to shield the gate line drive signal, thereby controlling the corresponding gate line, and removing data that may cause abnormal display, The display driving circuit has a simple structure and is easy to install on the display device.

Embodiment 3

[0054] Figure 5 is a flow chart of the driving method described in the embodiment of the present invention, such as Figure 5 As shown, Embodiment 3 of the present invention provides a driving method for driving the display driving circuit as described in Embodiment 1 of the present invention, which separates the gate line driving signals of adjacent rows according to the first output enable signal, and further includes:

[0055] Step S101, when the gate driving signal needs to be turned off, the shielding signal generating circuit triggers to generate the shielding signal;

[0056] Step S102 , when the gate line shielding circuit detects the shield signal, the first output enabling signal is shielded, thereby turning off the gate line driving signal.

[0057] Further, in the driving method described in the embodiment of the present invention, when the voltage of the shielding signal is at a high level, the first output enable signal is pulled to a high level.

[0058] Fi...

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Abstract

The present invention relates to display technologies. Disclosed is a display drive circuit, comprising: a grid line drive circuit, for spacing grid line drive signals in adjacent lines according to a first output enable signal; a shielding signal generation circuit, for triggering to generate a shielding signal when gate drive signals need to be disabled; a grid line shielding circuit, a first input end of which inputs the first output enable signal and a second input end of which inputs the shielding signal, an output end being connected to the grid line drive circuit, and the grid line shielding circuit being used to shield the first output enable signal according to the shielding signal to disable the grid line drive signal. With the display drive circuit and the drive method thereof, and the display device according to the embodiments of the present invention, the first output enable signal is shielded by directly using the shielding signal, so as to disable the grid line drive signal and shield data on a corresponding grid line; in this way, abnormal display is avoided by using the first output enable signal, and circuit cost and circuit space can be further saved.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a display driving circuit, a driving method thereof, and a display device. Background technique [0002] The display device drives the panel (panel) to work by outputting specific control signals through the timing controller. The timing controller usually includes the following signals: frame start signal (STV), gate line clock signal (CPV), and the first output enables Enable signal (OE1, Output Enable), gate line voltage clipping signal (OE2), data read-in and output signal (TP), pixel polarity control signal (POL), data enable signal (DE, Data Enable). The signals STV, CPV, OE1 and OE2 jointly control and drive the gate lines of the array substrate of the display device; the rising edge of the CPV signal triggers and drives each gate line, and through the shift register, the gate line driving signals of each gate line are sequentially triggered ; The OE1 signal is u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/20
CPCG09G3/20G09G2310/0213G09G2310/0286G09G2320/0209G09G2320/0247G11C19/28
Inventor 吴行吉李承珉许益祯张亮
Owner BOE TECH GRP CO LTD
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