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Upward ramp signal generating circuit and plasma display

A technology of ramp signal and circuit generation, applied in the field of circuits, can solve problems such as the delay of the ramp signal, and achieve the effect of solving the delay

Inactive Publication Date: 2012-04-25
SICHUAN COC DISPLAY DEVICES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims to provide an up ramp signal generating circuit and a plasma display to solve the problem of delay in generating the up ramp signal in the prior art

Method used

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  • Upward ramp signal generating circuit and plasma display
  • Upward ramp signal generating circuit and plasma display
  • Upward ramp signal generating circuit and plasma display

Examples

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Embodiment Construction

[0028] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0029] Firstly, the plasma display provided by this specific embodiment is introduced.

[0030] The plasma display includes an up-ramp wave signal generating circuit, through which an up-ramp wave signal without delay can be generated, and the plasma display can be driven by using the up-ramp wave signal generated by the circuit, so that the display effect of the plasma display is better.

[0031] The following describes the specific implementation of the up ramp signal generating circuit.

[0032] Figure 4 Shows the schematic diagram of the up ramp signal generation circuit of the first embodiment of the present invention, as Figure 4 As shown, the upward ramp signal generation circuit includes: an output circuit, the first terminal is connecte...

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PUM

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Abstract

The invention discloses an upward ramp signal generating circuit and a plasma display. The upward ramp signal generating circuit comprises an outputting circuit which has a first end per se connected to a first power supply voltage and a second end per se used for outputting an upward ramp signal; a main control circuit which has a first end per se connected to a second power supply voltage and asecond end per se connected to a third end of the outputting circuit and is used for generating a first control signal to control the outputting circuit to output the upward ramp signal; and an auxiliary circuit which has a first end per se connected to the second power supply voltage and a second end connected with the third end of the outputting circuit and is used for generating a second control signal to control the outputting circuit to output the upward ramp signal. Through the upward ramp signal generating circuit and the plasma display disclosed by the invention, upward ramp signals without delay can be generated.

Description

technical field [0001] The invention relates to the field of circuits, in particular to an up-slope signal generating circuit and a plasma display. Background technique [0002] Among the driving signals required by the plasma display, the driving signal with the following waveform is required: the erasing waveform that rises directly to a constant voltage value and then ramps up. accomplish. Among them, after the maintenance tube is turned on, a VS level can be directly pulled up, and then on the basis of the VS level, the up-slope signal generating circuit generates an up-slope signal, that is, a slowly rising signal is superimposed on the basis of the VS level. ramp. [0003] The driving signal generating circuit in the prior art is as figure 1 As shown, it includes a first power tube Q1', a second power tube Q2' and a third power tube Q3'. The working principle of the circuit is as follows: First, the first power transistor Q1' is quickly turned on, directly pulling ...

Claims

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Application Information

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IPC IPC(8): G09G3/28
Inventor 陆得盛徐世文
Owner SICHUAN COC DISPLAY DEVICES