激光与光电子学进展, 2017, 54 (6): 061201, 网络出版: 2017-06-08   

裸眼3D显示串扰率实时检测系统设计 下载: 640次

Design of Real-Time Measuring System for Autostereoscopic 3D Displays
作者单位
1 中山大学光电材料与技术国家重点实验室, 广东 广州 510275
2 广州弥德科技有限公司, 广东 广州 510275
摘要
为了提高裸眼3D显示的光学膜层与显示屏的贴合效率和全局对位精度,提出了一种全局的、高效率的、实时的3D显示光学特性测量方案,并开发出了相应的测量系统,实现了对3D显示屏幕的亮度均匀性和串扰率均匀性的实时测量。设计并开发了测量系统的光电二极管阵列,制作了高灵敏度和高精度的电路控制模块,同时编写了上位机软件,用以实时显示数据结果。光电二极管的光谱响应与人眼光谱响应基本一致,经过标定和方向性校正后,可以实时得到屏幕不同局部在视区中的光强分布数据。基于这一数据,可以计算出屏幕不同局部定量化的串扰率数据。在实验中,测试系统能够有效测量23.7 cm宽度范围内的空间光强分布,覆盖了一对左右眼视区。系统的测量精度为1.58 mlx。实验表明,所得的数值结果能够定量化地反映人眼亮度和串扰率视觉感受,可用于实时检测3D显示器的视区光强分布,计算串扰率分布,有助于提高3D裸眼显示设备的装机效率。
Abstract
To improve the fit efficiency of optical membranes and displays and overall alignment precision in autostereoscopic 3D displays, this article proposes an overall, high efficiency and real-time measurement scheme for optical properties of 3D displays. The corresponding measurement system is developed. The real-time measurement of luminance uniformity and crosstalk ratio uniformity for 3D display screen is realized. Photodiode array of the measurement system is designed and developed. Circuit control module with high sensitivity and high precision is fabricated. And software of upper computer is designed to display data in real time. The spectral response of the photodiodes is close to that of human eyes. The calibrated and directionally corrected photodiodes can be used to measure light intensity distributions of visual area from different parts on screen in real time. The crosstalk ratio data from different parts on screen can be calculated quantitatively with obtained data. Experimental results show that the system is capable of effectively measuring spatial light intensity distribution within 23.7 cm width, which covers a pair of eyes′visual area. The measurement precision of the system is 1.58 mlx. Results prove that the data can quantitatively reflect luminance and crosstalk ratio perceived by human eyes. This method can be used to measure light intensity distribution of visual area for 3D displayer in real time, and calculate crosstalk ratio distribution. Which is beneficial to enhance the fabrication efficiency of autostereoscopic 3D display devices.
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马鸿钦, 王晓露, 范杭, 王嘉辉, 周建英, 周延桂. 裸眼3D显示串扰率实时检测系统设计[J]. 激光与光电子学进展, 2017, 54(6): 061201. Ma Hongqin, Wang Xiaolu, Fan Hang, Wang Jiahui, Zhou Jianying, Zhou Yangui. Design of Real-Time Measuring System for Autostereoscopic 3D Displays[J]. Laser & Optoelectronics Progress, 2017, 54(6): 061201.

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