有机发光二极管
显色指数
色温
亮度
高颜色
光电子学
材料科学
固态照明
电致发光
二极管
色度
渲染(计算机图形)
光学
发光二极管
物理
计算机图形学(图像)
彩色图像
图像(数学)
图层(电子)
人工智能
计算机科学
复合材料
图像处理
作者
Jianning Yu,Hong Lin,Feifei Wang,Lin Yang,Jianhua Zhang,Hao Zhang,Zixing Wang,Bin Wei
摘要
A high color rendering index (CRI) is crucial for organic light-emitting diode (OLED) which can be applied in high-quality lighting sources. We have developed three types of white OLEDs with two-, three- and four-peak electroluminescence spectra. For two-peak OLED, a luminance efficiency of 34.59 cd A−1 at 100 cd m−2 with a CRI of 45 is obtained. For three-peak OLED, CRI above 85 and a maximum luminance efficiency of 27.29 cd A−1 are realized. Four-peak OLED yields color-temperature tunable white emission in the luminance range of 100 cd m−2 to 5000 cd m−2, a sunlight-like spectrum with a CRI of 89 at 5000 cd m−2. The wide color-temperature span of the four-peak OLED could meet the requirements for lighting in dwellings.
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