Design and implementation of colorful rotating LED display

LIANG Guang-sheng; QIN Jing; CHEN Shi-hong; CHEN Zhi-yong

doi:10.3788/YJYXS20142905.0850

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Design and implementation of colorful rotating LED display

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- Design and implementation of colorful rotating LED display
- Chinese Journal of Liquid Crystals and Displays Vol. 29, Issue 5, Pages: 850-855(2014)
- 作者机构：
  
  华北电力大学电气与电子工程学院北京,102206
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20142905.0850
  CLC： TN27
- Received：03 January 2014，
  
  Revised：06 February 2014，
  
  Published：05 October 2014
- 稿件说明：
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邹虹, 曾鑫, 温鑫. 基于两视点视频融合技术的裸眼3D显示的研究[J]. 液晶与显示, 2014,29(5): 824-829

ZOU Hong, ZENG Xin, WEN Xin. Glasses-free 3D display based on two-view video synthesize technology[J]. , 2014,29(5): 824-829
邹虹, 曾鑫, 温鑫. 基于两视点视频融合技术的裸眼3D显示的研究[J]. 液晶与显示, 2014,29(5): 824-829 DOI： 10.3788/YJYXS20142905.0850.

ZOU Hong, ZENG Xin, WEN Xin. Glasses-free 3D display based on two-view video synthesize technology[J]. , 2014,29(5): 824-829 DOI： 10.3788/YJYXS20142905.0850.

摘要

为满足多实际应用场合的显示和一些特定360全方位显示的工作需求，降低设备成本，设计了彩色旋转LED显示屏。采用32个三色七彩LED组成单列的旋转LED屏，通过单片机智能控制电机旋转、电子扫描三色LED，实现预设RGB三色的彩色图像显示。提出了旋转彩色LED显示屏的设计方案，给出硬件电路的设计方法，分析图像数据的提取过程和提取方法，并设计了系统程序流程图，最终进行系统的实际测试。采用RGB三色七彩LED，实现了32 pixel150 pixel像素彩色图像显示。经过长时间测试运行该系统稳定可靠，实现360全方位显示、灰度实现256级调节。

Abstract

In order to meet the requirements for most applications

a novel design of colorful LED display is proposed by taking Persistence of Vision theory as its theoretical foundation. In this paper

the hardware circuit is presented

the image data extracting procedure is listed

the program flowchart is drawed

and plenty of practical tests are also made about the whole system. The colorful LED display is made by 32 tri-color LEDs spaced at regular intervals in a straight line. High-speed rotating display of this kind would be able to show the intact pre-set image under the control of Microcontroller Unit (MCU). It works better in visibility than monochrome display or Flat Panel Display (FPD).

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references

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