Test system of AM-OLED display based on labVIEW

MA Xue-xue; WANG Chun-fu; WU Wei-jing; PENG Jun-biao

doi:10.3788/YJYXS20142905.0733

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Test system of AM-OLED display based on labVIEW

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- Test system of AM-OLED display based on labVIEW
- Chinese Journal of Liquid Crystals and Displays Vol. 29, Issue 5, Pages: 733-738(2014)
- 作者机构：
  
  1. 华南理工大学电子与信息学院,广东广州,510640
  2. 华南理工大学发光材料与器件国家重点实验室,广东广州,510641
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20142905.0733
  CLC： TN383+.1
- Received：29 December 2013，
  
  Revised：04 March 2014，
  
  Published：05 October 2014
- 稿件说明：
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马雪雪, 王春阜, 吴为敬, 彭俊彪. 基于labVIEW的AM-OLED显示屏测试系统[J]. 液晶与显示, 2014,29(5): 733-738

MA Xue-xue, WANG Chun-fu, WU Wei-jing, PENG Jun-biao. Test system of AM-OLED display based on labVIEW[J]. , 2014,29(5): 733-738
马雪雪, 王春阜, 吴为敬, 彭俊彪. 基于labVIEW的AM-OLED显示屏测试系统[J]. 液晶与显示, 2014,29(5): 733-738 DOI： 10.3788/YJYXS20142905.0733.

MA Xue-xue, WANG Chun-fu, WU Wei-jing, PENG Jun-biao. Test system of AM-OLED display based on labVIEW[J]. , 2014,29(5): 733-738 DOI： 10.3788/YJYXS20142905.0733.

摘要

为方便对AM-OLED显示屏的各项性能进行测试，本文设计了基于labVIEW（Laboratory Virtual Instrument Engineering Workbench实验室虚拟仪器工程平台）的AM-OLED显示屏

V-I-L

曲线自动化测试系统，实现了在同一个软件下对显示屏的电压、电流、亮度、色坐标等特性的测试。首先，构建硬件电路即基于FPGA的AM-OLED显示屏驱动电路。接着，在此基础上利用labVIEW平台设计了AM-OLED显示屏

V-I-L

曲线测试系统的软件系统。最后，利用该系统对自主研发的基于MOTFT技术的12.2 cm（4.8 in）AM-OLED显示屏进行了测试，验证了系统的可靠性。通过对测试结果进行分析，AM-OLED显示屏达到设计亮度时各像素所需的数据电压约为9.2 V。总之，本系统实现了对显示屏性能参数的自动化测试，为显示屏的白平衡调节和AMOLED专用驱动芯片设计提供了数据支持，为显示屏的优化设计指明方向。

Abstract

In order to test the performance of AM-OLED Display

an automatic

V-I-L

testing system based on virtual instrument technology was designed and used to acquire

V-I-L

curve. The perfor-mances of the AM-OLED Display (such as voltage-current

brightness

chromaticity coordinates

etc) could be measured in the same software. First

we built the hardware circuit: the driving circuit based on FPGA for AM-OLED Display. Then

a software system of

V-I-L

testing system based on virtual instrument technology was designed on this basis. Finally

we tested the 12.2 cm AM-OLED Display based on MOTFT technology which is developed independently

and verified the reliability of the system. Through the analysis of the test results

the data voltage of each pixel was about 9.2 V when the brightness of AM-OLED Display reached to the value of calculation.In brief

this system can achieve the automatic test of the Displays' performance parameters and make an assessment on screenperformance. What's more

it can not only provide reference data for the white balance adjustment and the design of AM-OLED driver IC

but also show the direction for the optimization design on the screen.

关键词

Keywords

references

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