Systemic Accuracy Analysis of LED Displays Based on Visual Perception

ZHAO Zi-quan; WANG Rui-guang; ZHENG Xi-feng; HAO Ya-ru; CHEN Yu

doi:10.3788/YJYXS20122703.0324

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Systemic Accuracy Analysis of LED Displays Based on Visual Perception

Device Physiscs & Device Technology | 更新时间：2020-08-12

- Systemic Accuracy Analysis of LED Displays Based on Visual Perception
- Chinese Journal of Liquid Crystals and Displays Vol. 27, Issue 3, Pages: 324-331(2012)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院研究生院,北京 100039
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20122703.0324
  CLC： TN312+.8
- Received：29 January 2012，
  
  Revised：22 March 2012，
  
  Published Online：15 June 2012，
  
  Published：15 June 2012
- 稿件说明：
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赵梓权, 王瑞光, 郑喜凤, 郝亚茹, 陈宇. 基于视觉感受的LED显示屏系统精度分析[J]. 液晶与显示, 2012,(3): 324-331

ZHAO Zi-quan, WANG Rui-guang, ZHENG Xi-feng, HAO Ya-ru, CHEN Yu. Systemic Accuracy Analysis of LED Displays Based on Visual Perception[J]. , 2012,(3): 324-331
赵梓权, 王瑞光, 郑喜凤, 郝亚茹, 陈宇. 基于视觉感受的LED显示屏系统精度分析[J]. 液晶与显示, 2012,(3): 324-331 DOI： 10.3788/YJYXS20122703.0324.

ZHAO Zi-quan, WANG Rui-guang, ZHENG Xi-feng, HAO Ya-ru, CHEN Yu. Systemic Accuracy Analysis of LED Displays Based on Visual Perception[J]. , 2012,(3): 324-331 DOI： 10.3788/YJYXS20122703.0324.

摘要

根据LED发光的物理特性和LED控制系统脉宽调制的驱动方式

构建了线性的LED显示颜色的数学模型

并通过CIE1976LUV色彩空间直接与人眼的视觉感受联系起来。分析了LED的相邻灰度级与相邻颜色的色差在人眼视觉感受中与控制系统精度之间的关系

并结合LED发光的离散性

对控制系统精度需求进行了讨论

给出了基于人眼视觉感受的控制系统精度需求的计算方法。该方法在工业制造前就可以根据人眼的视觉感受特性对LED显示屏的控制系统精度进行优化和设计。

Abstract

A linear mathematical model is established to describe LED displays’ colors accor-ding to LED’s optical characters and the the pulse width modulation method of LED displays’ control system. Furthermore

the mathematical model is connected with the visual perception in CIE1976LUV color space. This paper analyzed the relationship between visual perception and accuracy requirement of control system when the neighbouring gray levels and neighbouring colors of LEDs are discussed. Moreover

to calculate the control system’s accuracy according to visual perception

the uniform problems of LED are discussed. This paper gives an algorithm to calculate the systemic accuracy of LED displays based on visual perception. With the algorithm

it is possible to design and optimize the LED displays’ control system according to visual perception before the LED displays are produced.

关键词

Keywords

references

Harris S. Color and luminance uniformity correction for LED video screens..http://www.signindustry.com/led/articles/2007-10-15-SH-PulseWidthModulationPWMCorrectionOfLEDDisplays.php3.

Svilainis L. LED brightness control for video display application [J]. Displays, 2008, 29(5):506-511.

Schanda J. CIE colorimetry and colour displays // Proceedings of the Color Imaging Conference: Color Science, Systems, and Applications, Scottsdale, Arizona:Society for Imaging Sci. & Technology, 1996:230-234.

Carter R C, Carter E C. CIE L*,U*,V* color difference equations for self luminance displays [J]. Color Research and Applications, 1983, 8:252-253.

CIE. Colorimetry(Publication CIE NO15.3)[S].Third edition, Austria: Central Bureau of the CIE, 2004.

Macadam D L. Visual sensitivities to color differences in daylight [J]. J. Opt. Soc. Am., 1942,32:247-273.

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Related Institution

School of Advanced Manufacturing， Fuzhou University

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Key Lab of Printing and Packaging Engineering of Shaanxi Province

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

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