Control device of flat panel display of field emission

A flat-panel display and control device technology, applied in static indicators, instruments, etc., can solve the problem that VGA analog signals cannot be used directly, and achieve the effects of strong versatility and scalability, cost saving, and flexible functions

Inactive Publication Date: 2007-07-25
厦门火炬福大显示技术有限公司 +1
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Problems solved by technology

However, the above-mentioned FED drive control circuit only supports the video signal input format, and converts the input video signal into the digital video format required by the FED display, and the resolution is also fixed. When the output format and resolution of the FED display When the rate changes, the original control circuit cannot meet the requirements because of the fixed input format, and there is also the disadvantage that if the input is a VGA analog signal, it cannot be used directly.

Method used

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  • Control device of flat panel display of field emission
  • Control device of flat panel display of field emission
  • Control device of flat panel display of field emission

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Embodiment Construction

[0029] As shown in Fig. 1 to Fig. 6, the present invention is made up of video signal conversion unit, VGA signal conversion unit, FED data format conversion unit, FPGA control unit, cache unit, and Fig. 2 comprises video signal conversion unit, VGA signal conversion unit, FED data format conversion unit, the video signal generates 16-bit YUV digital signal, line synchronization signal HS, field synchronization signal VS, line reference signal HREF and clock signal LLC2 through the video signal conversion unit SAA7111WP, input to FED data format converter AL600, As a group of input signals; VGA signal is converted into 8-bit RGB digital signal, line synchronization signal GHSYNC, field synchronization signal GVSYNC, and clock signal CKBO through AL875 in the VGA signal conversion unit, as another group of input signals, input to FED In the data format converter AL600, the FED data format converter AL600 performs data format conversion, and outputs RGB digital signal, clock sign...

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Abstract

A control device of field emission flat display consists of video signal conversion unit, FPGA control unit, buffer storage unit, VGA signal conversion unit and FED data format converter. It is featured as realizing control on FED driving circuit system and realizing generality as well as extensibility of said circuit by utilizing multi-type of control function on FED data format converter.

Description

technical field [0001] The invention relates to the technical field of display manufacturing, in particular to a control device for a field emission flat panel display. Background technique [0002] Field Emission Display (Field Emission Display, FED) is a new generation of vacuum flat panel display device with excellent performance, which is composed of cathode plate, phosphor screen and drive control circuit. It not only has the advantages of other flat panel display devices, but also has the characteristics of low power consumption, low voltage and ability to work under harsh conditions, and has outstanding potential and huge market prospects. At present, we have developed a 25-inch color large-screen printed field emission display, which is the first at home and abroad. With the rapid development of the display industry, the National Patent Office has recently published an invention patent of Xiamen Torch Fuda Display Technology Co., Ltd. "using FPGA to control the tran...

Claims

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Application Information

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IPC IPC(8): G09G3/20
Inventor 郭太良林志贤薛红林韵英徐胜林世宪
Owner 厦门火炬福大显示技术有限公司
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