LED全彩屏模组在线自动检测技术探讨

Discussion on the on-line automatic detection technology for the full-color LED module

目前LED显示屏存在色差或者亮度差异源于单个模组在生产环节过程中控制不到位导致。本文提出了一种LED全彩屏模组的在线自动检测系统,包含显示屏自动定位控制,现场检测分析亮度均匀性,色度分布,质量判定分档等关键技术。该系统有助实现显示屏标准化检测,提高显示屏亮度一致性,提高生产效率及产量。

The existence of the color or the brightness difference in the LED display panel is because of that the control of a single module is not in place occurring during the process of production. This paper presents an on-line and automatic detection system for the full color LED display module, including the automatic positioning control of the LED display, the detection and analysis of the brightness uniformity and the color distribution, and the quality evaluation and the quality grading among them. This system can realize the standardized detection of the LED display, improve its brightness uniformity, and increase the production effi ciency and the yield.