危及立体色域和非视觉生物效应的四基色LED显示屏

IF 3.6 3区物理与天体物理 Q2 OPTICS

Journal of Luminescence Pub Date : 2025-08-20 DOI:10.1016/j.jlumin.2025.121480

Siyang He , Sijia Wu , Dong Wang, Ziquan Guo

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引用次数: 0

摘要

gan基发光二极管（led）作为一种新型半导体，以其节能环保的优点在我们的日常生活中得到了广泛的应用。然而，led中蓝光的高比例影响了其光生物安全性。本研究首先通过光谱实验获得了波长分别为663.1 nm、681.4 nm、700.0 nm和732.7 nm的远红色led的光谱数据。利用自行设计的四基色显示系统三维立体色域计算软件，在不同的立体色域覆盖率（CGc）和蓝光危害效率（Kb,v）加权条件下，进行基于多目标遗传算法的光谱优化，得到两种不同应用场景下的最优相对强度比，并进行数据分析。根据实验结果，验证了提高显示性能与减少蓝光危害之间的拮抗关系。同时，可以确定显示系统中四种原色的最佳相对强度比和适合不同应用场景的远红波长。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Compromising stereoscopic color gamut and non-visual biological effects for four-primary LED displays

As a new type of semiconductor, GaN-based Light-Emitting Diodes (LEDs) are widely used in our daily life due to their energy-saving and environmental-friendly advantages. However, the high proportion of blue light in LEDs affects their photobiological safety. In this study, spectral data of far-red LEDs with wavelengths of 663.1 nm, 681.4 nm, 700.0 nm, and 732.7 nm, respectively, were first obtained through spectral experiments. Using a self-designed three-dimensional (3D) stereoscopic color gamut calculation software for four-primary-color display system, spectral optimization based on multi-objective genetic algorithm was performed under different weighting conditions of Stereoscopic Color Gamut Coverage (

{C G}_{c}

) and Blue Light Hazard Efficiency (

K_{b, v}

) to obtain the optimal relative intensity ratios in two different application scenarios, followed by data analysis. According to experimental results, the antagonistic relationship between improving display performance and reducing blue light hazards was verified. Meanwhile, the optimal relative intensity ratio of four primary colors in the display system and suitable far-red wavelengths for applications in different scenarios could be determined.

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来源期刊

Journal of Luminescence 物理-光学

CiteScore

6.70

自引率

13.90%

发文量

850

审稿时长

3.8 months

期刊介绍： The purpose of the Journal of Luminescence is to provide a means of communication between scientists in different disciplines who share a common interest in the electronic excited states of molecular, ionic and covalent systems, whether crystalline, amorphous, or liquid. We invite original papers and reviews on such subjects as: exciton and polariton dynamics, dynamics of localized excited states, energy and charge transport in ordered and disordered systems, radiative and non-radiative recombination, relaxation processes, vibronic interactions in electronic excited states, photochemistry in condensed systems, excited state resonance, double resonance, spin dynamics, selective excitation spectroscopy, hole burning, coherent processes in excited states, (e.g. coherent optical transients, photon echoes, transient gratings), multiphoton processes, optical bistability, photochromism, and new techniques for the study of excited states. This list is not intended to be exhaustive. Papers in the traditional areas of optical spectroscopy (absorption, MCD, luminescence, Raman scattering) are welcome. Papers on applications (phosphors, scintillators, electro- and cathodo-luminescence, radiography, bioimaging, solar energy, energy conversion, etc.) are also welcome if they present results of scientific, rather than only technological interest. However, papers containing purely theoretical results, not related to phenomena in the excited states, as well as papers using luminescence spectroscopy to perform routine analytical chemistry or biochemistry procedures, are outside the scope of the journal. Some exceptions will be possible at the discretion of the editors.