GAMMA CORRECTION OF FULL COLOR OLED MICRODISPLAYS

Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2020-01-01 DOI:10.18384/2310-7251-2020-3-13-22

Alexandr V. Nuriev, S. A. Stakharny, N. N. Usov

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Abstract

. Aim is to study the features of gamma correction of full-color active-matrix OLED microdisplays in a wide dynamic range of brightness. Methodology . The study was carried out by calculation and experimental methods by modeling color coordinates of OLED electroluminescence at different luminance and accounts RGB color filters transmission spectra. The modeling based on experimental data obtained by measuring the electrical, photometric and spectral characteristics of OLED samples and the transmission spectra of RGB color filters. Results . Introduced base construction of full color active-matrix OLED microdisplays and method of forming color image by filter matrix. Electrical, photometrical and spectral characteristics of initial white OLED structures was represented as well as modeling of RGB color separation and factors affecting color balance of full color image. The features of full color OLED microdisplay gamma correction for different luminance level and temperatures are considered. Research implications. Researches have practical relevance for OLED microdisplays design and calibration in production stage.

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全彩色oled微显示器的伽玛校正

．目的是研究全彩色有源矩阵OLED微显示器在大动态亮度范围内的伽玛校正特性。方法。通过模拟不同亮度下OLED电致发光的颜色坐标，计算RGB滤色器透射光谱，通过计算和实验方法进行了研究。通过测量OLED样品的电学、光度和光谱特性以及RGB滤光片的透射光谱得到实验数据，并以此为基础进行建模。结果。介绍了全彩色有源矩阵OLED微显示器的基片构造和滤波矩阵形成彩色图像的方法。描述了初始白色OLED结构的电学、光度和光谱特性，建立了RGB分色模型和全彩色图像色彩平衡的影响因素。考虑了全彩色OLED微显示在不同亮度和温度下的伽马校正特性。研究的意义。研究对OLED微显示器的设计和生产阶段的标定具有实际意义。

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Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika

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审稿时长

13 weeks