光子学报, 2019, 48 (8): 0812004, 网络出版: 2019-11-28   

基于人眼视觉的电润湿电子纸显示器亮度非线性校正方法

Nonlinear Correction Method of Electrowetting Display Brightness Based on Human Visual System
作者单位
1 福州大学 平板显示技术国家地方联合工程实验室, 福州 350116
2 福州大学 物理与信息工程学院, 福州 350116
3 华南师范大学 华南先进光电子研究院 广东省光信息材料与技术重点实验室, 广州 510006
摘要
针对反射式电润湿显示器在不同环境光下, 对显示器上内容的清晰度、对比度的影响, 提出一种保留相邻灰度人眼视觉响应差的亮度校正方法.该方法保证其它环境光下的人眼对相邻灰度的响应差与参考环境光下的响应差一致.同时为实现电润湿显示器的精准调制, 将校正后的亮度进行二次校正, 非线性校正.采用本文方法校正后的电压与亮度曲线的关系更接近线性, 提高了电润湿显示器对比度, 增加图像细节, 优化了显示效果.
Abstract
Aiming at the influence of reflective electrowetting display on the definition and contrast of the content on the display under different ambient light, this paper proposes a brightness correction method based on preserving the difference of visual response of adjacent grayscale under different ambient light. The difference is consistent with the response difference under reference ambient light. At the same time, in order to achieve precise modulation of the electrowetting display, the corrected brightness is subjected to secondary nonlinear correction. The method makes the relationship between the corrected voltage and the brightness curve more linear, improves the contrast of the electrowetting display, increases the image detail, and optimizes the display effect.
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林珊玲, 李甜甜, 曾素云, 林志贤, 郭太良, 唐彪. 基于人眼视觉的电润湿电子纸显示器亮度非线性校正方法[J]. 光子学报, 2019, 48(8): 0812004. LIN Shan-ling, LI Tian-tian, ZENG Su-yun, LIN Zhi-xian, GUO Tai-liang, TANG Biao. Nonlinear Correction Method of Electrowetting Display Brightness Based on Human Visual System[J]. ACTA PHOTONICA SINICA, 2019, 48(8): 0812004.

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