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Research on the LCD Flatness Detector and Itsapplication

Author: XuLiang
Tutor: XiaKeWen；CuiBaoYing
School: Hebei University of Technology
Course: Electronics and Communication Engineering
Keywords: Embedded Systems MCU Several three-point method Flatness
CLC: TN873.93
Type: Master's thesis
Year: 2011
Downloads: 14
Quote: 0
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Abstract


This subject the LCD screen flatness measurement instrument for the accurate measurement of the flatness of the LCD screen , the LCD screen to improve the quality of the production and import and export , and the design of the hardware and software of the instrument to solve existing domestic flatness measurement instrument accuracy and reliability of the existing problems , and is expected to improve and achieve similar products on the international measurement standards . The subject of multiple three-point method , an LCD screen flatness measuring instrument design based on the basic principles of embedded and circuit measurement , the measuring instrument to solve the local formation of most LCD screens and the overall distortion and for multi- times three-point method , flatness testing of multiple samples , and error analysis for the completion of the sampling results . Measuring instruments using the native keyboard precise control embedded chip MCU motor by the step-by-step system combined with the integration of the laser head flatness measurement to be completed by the different sizes of LCD screen , the end result can also LCD output print measurement results show that this the product measured value is not less than the accuracy of similar products in the international arena . The measuring instrument of this research are small , easy to operate , high degree of automation , precision measurement data , especially suitable for LCD screen production and LCD \\ LED , import and export enterprises to use , and has a good market prospect .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > Terminal equipment > Display device,the display > LCD monitors
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