Optical Properties of Parallax Barrier and It's Influence on View Zone

WANG Tao; ZHANG Tao; ZHANG Chun-guang; ZHAI Shi-hong; YANG Xin-jun

doi:10.3788/YJYXS20132801.0059

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Optical Properties of Parallax Barrier and It's Influence on View Zone

更新时间：2020-08-12

- Optical Properties of Parallax Barrier and It's Influence on View Zone
- Chinese Journal of Liquid Crystals and Displays Vol. 28, Issue 1, Pages: 59-63(2013)
- 作者机构：
  
  1. 现代显示技术国家重点实验室, 特种显示国家工程实验室上海,201114
  2. 中航华东光电(上海)有限公司上海,201114
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20132801.0059
  CLC： TN27
- Received：21 November 2011，
  
  Revised：23 February 2012，
  
  Published：15 February 2013
- 稿件说明：
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王涛, 张涛, 张春光, 翟思洪, 杨新军. 狭缝光栅分光特性及其对视区的影响[J]. 液晶与显示, 2013,(1): 59-63

WANG Tao, ZHANG Tao, ZHANG Chun-guang, ZHAI Shi-hong, YANG Xin-jun. Optical Properties of Parallax Barrier and It's Influence on View Zone[J]. , 2013,(1): 59-63
王涛, 张涛, 张春光, 翟思洪, 杨新军. 狭缝光栅分光特性及其对视区的影响[J]. 液晶与显示, 2013,(1): 59-63 DOI： 10.3788/YJYXS20132801.0059.

WANG Tao, ZHANG Tao, ZHANG Chun-guang, ZHAI Shi-hong, YANG Xin-jun. Optical Properties of Parallax Barrier and It's Influence on View Zone[J]. , 2013,(1): 59-63 DOI： 10.3788/YJYXS20132801.0059.

摘要

应用光栅等分光元件对视差图进行空间分离是实现立体显示的重要方法之一

介绍了狭缝光栅作为分光元件实现立体显示的原理

建立了子像素发光经过多个周期狭缝光栅的数学模型

分析狭缝光栅参数及子像素发光宽度对视区及立体显示器亮度的影响。结果表明

在对狭缝光栅参数设计过程中需要综合考虑视区特性与显示器亮度

狭缝的透光比应控制在0.2~0.3

在样机生产过程中将透光比定为0.25

采用高亮背光模式以补偿立体显示器亮度

取得了较好效果。结果对狭缝光栅的参数设计具有指导意义。

Abstract

Redistributing parallax images by light directing element such as grating is one of the most important methods to achieve 3D display. This paper gives an introduction of how parallax barrier works to realize 3D display. The mathematical model of beams out of multi-period of barrier has been built to explore the roles played by barrier and width of sub pixel. Software to simulate the optical field in front of the 3D display has been developed. Both property of view zone and brightness of the display should be considered in order to get better 3D result. This study shows that the slit ratio for parallax barrier should between 0.2 and 0.3. In the process of prototype making the scale was set to 0.25. Particular bright backlight module was applied to compensating the lower brightness caused by lower scale and the display got a satisfactory result. The result has directive meaning for design of 3D display based on parallax barrier.

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references

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Related Institution

School of Electronics and Information Engineering, Sichuan University

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