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Universal panel display controller and control method thereof

A flat-panel display and controller technology, applied to static indicators, instruments, etc., can solve the problem of no flat-panel display, achieve the effect of standardized design and cost reduction

Inactive Publication Date: 2005-06-29
NANKAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But there is no such general flat panel display control method both at home and abroad at present.

Method used

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  • Universal panel display controller and control method thereof
  • Universal panel display controller and control method thereof
  • Universal panel display controller and control method thereof

Examples

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Embodiment Construction

[0027] This general-purpose flat panel display controller includes a digital frequency converter, I 2 C interface controller, status register, PWM waveform generator, column scan controller, row scan controller, memory controller, it is characterized in that: they are integrated together:

[0028] Digital frequency converter 1: consists of three parts: data latch 12, delay circuit 11 and logic operation circuit 10; the data input end of data latch 12 is connected with configuration register 13, receives and latches the data of configuration register 13, The clock input terminals of the delay circuit and the logic operation circuit are directly connected to the external clock input, and the logic operation circuit outputs the DCLK signal at the output terminal after the externally input clock signal and the delayed signal are subjected to XOR operation; the external clock signal CLK input For the logic operation circuit and the delay circuit, the delay circuit sends the delayed...

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Abstract

This invention relates to a plate display structure and control, which belongs to plate display technique field. The controller in this invention comprises digit transducer, I#+[2] C interface controller, PWM wave generator and adopts configuration register to output each display control signals and clock signals with different display resolution and field frequency and writing-in types. It adopts PWM wave generator to generate the impulse wide modulation drive signals to provide the high voltage excitation signals of FED and PDP. It generates the reverse control signals for the LCD display through scanning controller.

Description

technical field [0001] The invention relates to a driving and control technology of a flat panel display, in particular to a display controller having a PWM waveform generator and a configurable register, which can be used for various flat panel displays such as LCD, FED, and PDP, and belongs to the field of flat panel display technology. Background technique [0002] Now flat-panel displays have become the mainstream of information display technology development, and various types of flat-panel display devices such as LCD, PDP, FED, OLED, etc. are competing to develop, the image display quality is getting better and better, and the application fields are getting wider and wider. In terms of system, any flat panel display system consists of three parts: video signal processing circuit, display module and interface control circuit. Among them, the video signal processing circuit is the same for any flat-panel display, and there are many general-purpose circuits for designers ...

Claims

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Application Information

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IPC IPC(8): G09G3/20
Inventor 耿卫东代永平孙钟林刘艳艳
Owner NANKAI UNIV
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