Display System of OLED Based on FPGA

ZHANG Lei; WU Hua-xia; HU Jun-tao; LV Guo-qiang

doi:10.3788/YJYXS20112604.0538

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Display System of OLED Based on FPGA

Driving & Controlling | 更新时间：2020-08-12

- Display System of OLED Based on FPGA
- Chinese Journal of Liquid Crystals and Displays Vol. 26, Issue 4, Pages: 538-543(2011)
- 作者机构：
  
  1. 合肥工业大学计算机与信息学院,安徽合肥,230009
  2. 特种显示技术国家工程实验室, 安徽合肥 230009
  3. 特种显示技术教育部重点实验室, 安徽合肥 230009
  4. 合肥工业大学光电技术研究院,安徽合肥,230009
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20112604.0538
  CLC： TN873
- Received：30 January 2011，
  
  Revised：25 March 2011，
  
  Published Online：20 August 2011，
  
  Published：20 August 2011
- 稿件说明：
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华广胜, 布占场, 郑效盼, 李智, 孙彦军, 王贺陶, 王伯长, 王飞, 颜凯, 鹿堃. 低功耗液晶电视LED背光源设计[J]. 液晶与显示, 2011,26(4): 460-463

HUA Guang-sheng, BU Zhan-chang, ZHENG Xiao-pan, LI Zhi, SUN Yan-jun, WANG He-tao, WANG Bo-chang, WANG Fei, YAN Kai, LU Kun. Design of LED Backlight Module for Low Power LCD TV[J]. , 2011,26(4): 460-463
华广胜, 布占场, 郑效盼, 李智, 孙彦军, 王贺陶, 王伯长, 王飞, 颜凯, 鹿堃. 低功耗液晶电视LED背光源设计[J]. 液晶与显示, 2011,26(4): 460-463 DOI： 10.3788/YJYXS20112604.0538.

HUA Guang-sheng, BU Zhan-chang, ZHENG Xiao-pan, LI Zhi, SUN Yan-jun, WANG He-tao, WANG Bo-chang, WANG Fei, YAN Kai, LU Kun. Design of LED Backlight Module for Low Power LCD TV[J]. , 2011,26(4): 460-463 DOI： 10.3788/YJYXS20112604.0538.

摘要

针对LCD显示屏温度适应性差、可视角度小、LCD的通用驱动电路实现的对比度较低等缺点

采用OLED作为显示器件

设计并实现了一种使用FPGA驱动OLED的显示系统。采用PIC16F690单片机作为微处理器控制整机时序

利用FPGA进行视频信号处理

完成格式转换、色空间处理以及隔行转逐行操作

最终实现驱动显示。系统的测试结果表明

该方案不仅能显著提高画面对比度

而且能稳定显示监控图像

为后继功能的拓展提供了平台。

Abstract

Considering narrow temperature and viewpoint of LCD for most portable display system

OLED is used as display device. Focusing on the problem of low contrast of generic driver method for portable display system

a new driver based on FPGA is introduced which can improve the flexibility of the system. As the MCU

PIC16F690 takes control of system sequence. While FPGA mainly handles video processing work

including color standard converting

color gamut dealing

interlaced video to progressive video. Results show that the contrast is improved dramatically

images displayed stably. The design provides a platform for future.

关键词

Keywords

references

应根裕, 胡文波, 邱勇. 平板显示技术 [M].北京:人民邮电出版社, 2002:340-342[2] Tang C W. Organic electroluminescent materials and devices [J]. Information Display. 1996,12(10):16-19.[3] 程明, 肖祖胜. 基于FPGA的TFT-LCD显示驱动设计 [J]. 液晶与显示, 2009, 24(2):228-231.[4] 苏维嘉,张澎.基于FPGA的TFT-LCD控制器的设计和实现 [J]. 液晶与显示, 2010,25(1):75-78.[5] 郭宝增,邓淳苗.基于FPGA的LED显示屏控制系统设计 [J]. 液晶与显示, 2010,25(3):424-428.[6] 黄燕群,李利品,王爽英.基于FPGA的OSD设计 [J]. 液晶与显示, 2010,25(3):429-433.[7] Xilinx Inc. Spartan-3 FPGA Family Datasheet . US: Xilinx Inc.,2009.[8] Microchip Technology Inc. PIC16f690 User Manual .US: Microchip Technology Inc.,2000.[9] 肖文娟,梁凤梅. 基于XC3S250E的图像采集系统的色彩空间转换 [J]. 中国新技术新产品, 2010,(8):1-2.[10] 李成奇. 基于FPGA技术的视频采集系统 .哈尔滨:哈尔滨理工大学,2008.[11] 罗力凡,常春藤. 基于VHDL的FPGA开发快速入门技巧实例 [M]. 北京:人民邮电出版社,2009:150-151.[12] Analog Devices Inc. ADV7401 User Manual .US: Analog Devices Inc.2006.

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