Controlling System Design for OLED Video Display with High Gray-Level

HUAN Xuan; HUI Gui-xin; XU Mei-hua

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Controlling System Design for OLED Video Display with High Gray-Level

更新时间：2020-08-12

- Controlling System Design for OLED Video Display with High Gray-Level
- Chinese Journal of Liquid Crystals and Displays Vol. 27, Issue 5, Pages: 622-627(2012)
- 作者机构：
  
  1. 上海飞乐股份有限公司上海,200072
  2. 上海市电力公司信通中心上海,200030
  3. 上海大学机电工程与自动化学院上海,200072
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN27;TP391
- Received：10 April 2012，
  
  Revised：02 May 2012，
  
  Published：15 October 2012
- 稿件说明：
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环翾, 惠贵兴, 徐美华. 高灰度视频OLED显示控制系统设计与应用[J]. 液晶与显示, 2012,(5): 622-627

HUAN Xuan, HUI Gui-xin, XU Mei-hua. Controlling System Design for OLED Video Display with High Gray-Level[J]. , 2012,(5): 622-627
环翾, 惠贵兴, 徐美华. 高灰度视频OLED显示控制系统设计与应用[J]. 液晶与显示, 2012,(5): 622-627 DOI：

HUAN Xuan, HUI Gui-xin, XU Mei-hua. Controlling System Design for OLED Video Display with High Gray-Level[J]. , 2012,(5): 622-627 DOI：

摘要

在详细分析AFD公司OLED面板电气特性和各种OLED灰度扫描原理的基础上

对AM-OLED扫描驱动电路进行研究

采用FPGA作为核心控制器件

完成了高灰度OLED视频显示系统设计。系统主要包括DVI接口信号处理模块、内存管理模块和灰度扫描控制模块

其中成像核心模块采用子场扫描工作方式;解码后的DVI信号经过一系列处理

可实时地送到OLED屏上显示

且灰度等级256级和64级可选。视频OLED显示系统实现了240×RGB(H)×320(V)QVGA 分辨率

256级灰度显示

帧扫描频率为60~100 Hz。电源驱动板共有7个电源输出

可根据外部环境来分别进行调节OLED屏的亮度

以实现OLED高灰度视频显示。

Abstract

Based on the detailed analysis of AM-OLED panel electrical characteristics and various gray scale scanning methods

this paper presents the design method of high gray-scale video OLED(Organic Light-Emitting Diode Display) system. In the system FPGA is used as the core control device after the principle study to the AM-OLED scan and driving circuits. There are three main modules including the DVI data processing unit

the memory management module and the grayscale scanning control unit

and the subfield scanning method is applied in core imaging module. The DVI signal decoded can be displayed on the OLED panel real time (on line) via FPGA core controller

and also the gray scale is selectable

256 or 64 gray levels. The video display system is implemented on the 240識GB(H)?320(V)QVGA OLED panel

256 gray levels

and up to 60 Hz ~100 Hz frame frequency. There are 7 outputs in the power drive

which can be used to adjust the light of the OLED panel to fit the external environment

and this all completed the high gray-scale video OLED system.

关键词

Keywords

references

文尚胜, 张剑平. OLED 背光源技术研究进展 [J]. 半导体技术, 2011,36(4):273-279.

李奇奋,李妥,陈志良. 用于AM-OLED显示屏控制的MDDI数据处理芯片设计 [J]. 液晶与显示, 2011, 26(6):801-807.

徐志军,徐光辉. CPLD/FPGA的开发与应用 [M]. 北京:电子工业出版社,2002:162-173.

王伶俐,周学功,王颖. 系统级FPGA设计与应用 [M].北京:清华大学出版社,2011:116.

徐美华,冉峰,陈章进. 基于分形IP核的平板显示控制器设计与应用 [J]. 固体电子学研究与进展, 2010,30(3): 418-424.

陈章进.平板显示器扫描模型与理论研究. 上海:上海大学博士学位论文, 2009.

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Related Institution

Changchun Institute of Optics， Fine Mechanics and Physics， Chinese Academy of Sciences

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